SONAR-2757 add the column SNAPSHOTS.PURGE_STATUS (INTEGER)

31 files changed, 125 insertions, 125 deletions

diff --git a/sonar-batch/src/test/resources/org/sonar/batch/DefaultTimeMachineTest/loadMeasuresFromDate.xml b/sonar-batch/src/test/resources/org/sonar/batch/DefaultTimeMachineTest/loadMeasuresFromDate.xml
index dd325e7f6ed..1ffa6e4da22 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/DefaultTimeMachineTest/loadMeasuresFromDate.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/DefaultTimeMachineTest/loadMeasuresFromDate.xml
@@ -13,20 +13,20 @@
 
 
   <!-- Project : 3 snapshots -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1" created_at="2008-12-25 00:00:00.00" build_date="2008-12-25 00:00:00.00" version="1.0" project_id="1" scope="PRJ" qualifier="TRK"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1" created_at="2008-12-25 00:00:00.00" build_date="2008-12-25 00:00:00.00" version="1.0" project_id="1" scope="PRJ" qualifier="TRK"
              root_project_id="[null]" root_snapshot_id="[null]" parent_snapshot_id="[null]" STATUS="P" ISLAST="false"
              path=""
              depth="0"/>
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="2" created_at="2009-02-25 13:58:00.00" build_date="2009-02-25 13:58:00.00" version="2.0" project_id="1" scope="PRJ" qualifier="TRK"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="2" created_at="2009-02-25 13:58:00.00" build_date="2009-02-25 13:58:00.00" version="2.0" project_id="1" scope="PRJ" qualifier="TRK"
              root_project_id="[null]" root_snapshot_id="[null]" parent_snapshot_id="[null]" STATUS="P" ISLAST="false"
              path=""
              depth="0"/>
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3" created_at="2009-02-26 15:00:00.00" build_date="2009-02-26 15:00:00.00" version="[null]" project_id="1" scope="PRJ" qualifier="TRK"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3" created_at="2009-02-26 15:00:00.00" build_date="2009-02-26 15:00:00.00" version="[null]" project_id="1" scope="PRJ" qualifier="TRK"
              root_project_id="[null]" root_snapshot_id="[null]" parent_snapshot_id="[null]" STATUS="P" ISLAST="true"
              path="" depth="0"/>
 
   <!-- unprocessed snapshot -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="4" created_at="2009-02-28 15:00:00.00" build_date="2009-02-28 15:00:00.00" version="[null]" project_id="1" scope="PRJ" qualifier="TRK"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="4" created_at="2009-02-28 15:00:00.00" build_date="2009-02-28 15:00:00.00" version="[null]" project_id="1" scope="PRJ" qualifier="TRK"
              root_project_id="[null]" root_snapshot_id="[null]" parent_snapshot_id="[null]" STATUS="U" ISLAST="false"
              path="" depth="0"/>
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isLatestAnalysis.xml b/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isLatestAnalysis.xml
index 71ef5169237..6b0e7bb6e6e 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isLatestAnalysis.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isLatestAnalysis.xml
@@ -5,11 +5,11 @@
             description="[null]"
             enabled="true" language="java" copy_resource_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="30" scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="30" scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]"
              project_id="5" parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="50" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="50" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="5" parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="true"
              path="[null]"/>
 </dataset>
\ No newline at end of file
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isLatestAnalysisIfNeverAnalysed.xml b/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isLatestAnalysisIfNeverAnalysed.xml
index ac9463e41e7..f568c80762d 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isLatestAnalysisIfNeverAnalysed.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isLatestAnalysisIfNeverAnalysed.xml
@@ -6,7 +6,7 @@
             description="[null]"
             enabled="true" language="java" copy_resource_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="50" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="50" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="5" parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="true"
              path="[null]"/>
 </dataset>
\ No newline at end of file
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isNotLatestAnalysis.xml b/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isNotLatestAnalysis.xml
index a5232244f95..ac74363f142 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isNotLatestAnalysis.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/ProjectConfiguratorTest/isNotLatestAnalysis.xml
@@ -5,11 +5,11 @@
             description="[null]"
             enabled="true" language="java" copy_resource_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="30" scope="PRJ" qualifier="TRK" created_at="2010-11-01 13:58:00.00" build_date="2010-11-01 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="30" scope="PRJ" qualifier="TRK" created_at="2010-11-01 13:58:00.00" build_date="2010-11-01 13:58:00.00" version="[null]"
              project_id="5" parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="50" scope="PRJ" qualifier="TRK" created_at="2010-12-02 13:58:00.00" build_date="2010-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="50" scope="PRJ" qualifier="TRK" created_at="2010-12-02 13:58:00.00" build_date="2010-12-02 13:58:00.00" version="[null]"
              project_id="5" parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="true"
              path="[null]"/>
 </dataset>
\ No newline at end of file
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/components/PastMeasuresLoaderTest/shared.xml b/sonar-batch/src/test/resources/org/sonar/batch/components/PastMeasuresLoaderTest/shared.xml
index 8ebc2264cd2..6288eba680b 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/components/PastMeasuresLoaderTest/shared.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/components/PastMeasuresLoaderTest/shared.xml
@@ -37,15 +37,15 @@
 
 
   <!-- snapshots -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="P" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1001" project_id="2" parent_snapshot_id="1000" root_project_id="1" root_snapshot_id="1000"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1001" project_id="2" parent_snapshot_id="1000" root_project_id="1" root_snapshot_id="1000"
              scope="DIR" qualifier="PAC" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path="1000."
              status="P" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1002" project_id="3" parent_snapshot_id="1001" root_project_id="1" root_snapshot_id="1000"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1002" project_id="3" parent_snapshot_id="1001" root_project_id="1" root_snapshot_id="1000"
              scope="FIL" qualifier="CLA" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path="1000.1001."
              status="P" islast="false" depth="2" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDateTest/shared.xml b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDateTest/shared.xml
index 16a2a7d01aa..3914489d920 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDateTest/shared.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDateTest/shared.xml
@@ -7,34 +7,34 @@
 
 
   <!-- 2008-11-01 -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="1.1-SNAPSHOT" path=""
              status="P" islast="false" depth="0" />
 
 
   <!-- 2008-11-12 -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1003"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1003"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-12 13:58:00.00" build_date="2008-11-12 13:58:00.00" version="1.1-SNAPSHOT" path=""
              status="P" islast="true" depth="0" />
 
 
   <!-- 2008-11-22 -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1006"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1006"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-22 13:58:00.00" build_date="2008-11-22 13:58:00.00" version="1.1" path=""
              status="P" islast="false" depth="0" />
 
 
   <!-- 2008-11-25-->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-25 13:58:00.00" build_date="2008-11-25 13:58:00.00" version="1.1" path=""
              status="P" islast="false" depth="0" />
 
   <!-- current analysis -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-27 13:58:00.00" build_date="2008-11-27 13:58:00.00" version="1.2-SNAPSHOT" path=""
              status="U" islast="false" depth="0" />
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDaysTest/shared.xml b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDaysTest/shared.xml
index 8bbd1700926..eb07ea0f0c5 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDaysTest/shared.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDaysTest/shared.xml
@@ -20,57 +20,57 @@
 
 
   <!-- first analysis : 2008-11-01-->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="P" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1001" project_id="2" parent_snapshot_id="1000" root_project_id="1" root_snapshot_id="1000"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1001" project_id="2" parent_snapshot_id="1000" root_project_id="1" root_snapshot_id="1000"
              scope="DIR" qualifier="PAC" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path="1000."
              status="P" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1002" project_id="3" parent_snapshot_id="1001" root_project_id="1" root_snapshot_id="1000"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1002" project_id="3" parent_snapshot_id="1001" root_project_id="1" root_snapshot_id="1000"
              scope="FIL" qualifier="CLA" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path="1000.1001."
              status="P" islast="false" depth="2" />
 
 
   <!-- second unprocessed analysis - to ignore: 2008-11-12 -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1003" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1003" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-12 13:58:00.00" build_date="2008-11-12 13:58:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1004" project_id="2" parent_snapshot_id="1003" root_project_id="1" root_snapshot_id="1003"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1004" project_id="2" parent_snapshot_id="1003" root_project_id="1" root_snapshot_id="1003"
              scope="DIR" qualifier="PAC" created_at="2008-11-12 13:58:00.00" build_date="2008-11-12 13:58:00.00" version="[null]" path="1003."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1005" project_id="3" parent_snapshot_id="1004" root_project_id="1" root_snapshot_id="1003"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1005" project_id="3" parent_snapshot_id="1004" root_project_id="1" root_snapshot_id="1003"
              scope="FIL" qualifier="CLA" created_at="2008-11-12 13:58:00.00" build_date="2008-11-12 13:58:00.00" version="[null]" path="1003.1004."
              status="P" islast="false" depth="2" />
 
 
   <!-- second analysis : 2008-11-13-->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1006" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1006" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-13 13:58:00.00" build_date="2008-11-13 13:58:00.00" version="[null]" path=""
              status="P" islast="true" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1007" project_id="2" parent_snapshot_id="1006" root_project_id="1" root_snapshot_id="1006"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1007" project_id="2" parent_snapshot_id="1006" root_project_id="1" root_snapshot_id="1006"
              scope="DIR" qualifier="PAC" created_at="2008-11-13 13:58:00.00" build_date="2008-11-13 13:58:00.00" version="[null]" path="1006."
              status="P" islast="true" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1008" project_id="3" parent_snapshot_id="1007" root_project_id="1" root_snapshot_id="1006"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1008" project_id="3" parent_snapshot_id="1007" root_project_id="1" root_snapshot_id="1006"
              scope="FIL" qualifier="CLA" created_at="2008-11-13 13:58:00.00" build_date="2008-11-13 13:58:00.00" version="[null]" path="1006.1007."
              status="P" islast="true" depth="2" />
 
 
   <!-- current analysis : 2008-11-16 -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-16 13:58:00.00" build_date="2008-11-16 13:58:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010" project_id="2" parent_snapshot_id="1009" root_project_id="1" root_snapshot_id="1009"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010" project_id="2" parent_snapshot_id="1009" root_project_id="1" root_snapshot_id="1009"
              scope="DIR" qualifier="PAC" created_at="2008-11-16 13:58:00.00" build_date="2008-11-16 13:58:00.00" version="[null]" path="1009."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1011" project_id="3" parent_snapshot_id="1010" root_project_id="1" root_snapshot_id="1009"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1011" project_id="3" parent_snapshot_id="1010" root_project_id="1" root_snapshot_id="1009"
              scope="FIL" qualifier="CLA" created_at="2008-11-16 13:58:00.00" build_date="2008-11-16 13:58:00.00" version="[null]" path="1009.1010."
              status="U" islast="false" depth="2" />
 </dataset>
\ No newline at end of file
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDaysTest/shouldNotFindSelf.xml b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDaysTest/shouldNotFindSelf.xml
index fe75a557337..30b4fd235ab 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDaysTest/shouldNotFindSelf.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByDaysTest/shouldNotFindSelf.xml
@@ -20,15 +20,15 @@
 
 
   <!-- current analysis : 2008-11-16 -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009" project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-16 13:58:00.00" build_date="2008-11-16 13:58:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010" project_id="2" parent_snapshot_id="1009" root_project_id="1" root_snapshot_id="1009"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010" project_id="2" parent_snapshot_id="1009" root_project_id="1" root_snapshot_id="1009"
              scope="DIR" qualifier="PAC" created_at="2008-11-16 13:58:00.00" build_date="2008-11-16 13:58:00.00" version="[null]" path="1009."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1011" project_id="3" parent_snapshot_id="1010" root_project_id="1" root_snapshot_id="1009"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1011" project_id="3" parent_snapshot_id="1010" root_project_id="1" root_snapshot_id="1009"
              scope="FIL" qualifier="CLA" created_at="2008-11-16 13:58:00.00" build_date="2008-11-16 13:58:00.00" version="[null]" path="1009.1010."
              status="U" islast="false" depth="2" />
 </dataset>
\ No newline at end of file
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByPreviousAnalysisTest/shouldFindPreviousAnalysis.xml b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByPreviousAnalysisTest/shouldFindPreviousAnalysis.xml
index 3d747ba0e5e..f5edd855a07 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByPreviousAnalysisTest/shouldFindPreviousAnalysis.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByPreviousAnalysisTest/shouldFindPreviousAnalysis.xml
@@ -5,20 +5,20 @@
             description="[null]"
             enabled="true" language="java" copy_resource_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1006"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1006"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-22 13:58:00.00" build_date="2008-11-22 13:58:00.00" version="1.1" path=""
              status="P" islast="false" depth="0" />
 
 
   <!-- last analysis -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-25 13:58:00.00" build_date="2008-11-25 13:58:00.00" version="1.1" path=""
              status="P" islast="true" depth="0" />
 
   <!-- current analysis -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-27 13:58:00.00" build_date="2008-11-27 13:58:00.00" version="1.2-SNAPSHOT" path=""
              status="U" islast="false" depth="0" />
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByPreviousAnalysisTest/shouldNotFindPreviousAnalysis.xml b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByPreviousAnalysisTest/shouldNotFindPreviousAnalysis.xml
index a13075af0b8..2dcdd10d5fa 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByPreviousAnalysisTest/shouldNotFindPreviousAnalysis.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByPreviousAnalysisTest/shouldNotFindPreviousAnalysis.xml
@@ -7,13 +7,13 @@
 
 
   <!-- unprocessed analysis -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-25 13:58:00.00" build_date="2008-11-25 13:58:00.00" version="1.1" path=""
              status="U" islast="false" depth="0" />
 
   <!-- current analysis -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-27 13:58:00.00" build_date="2008-11-27 13:58:00.00" version="1.2-SNAPSHOT" path=""
              status="U" islast="false" depth="0" />
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByVersionTest/shared.xml b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByVersionTest/shared.xml
index 0223b66eb8f..c414b95daa4 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByVersionTest/shared.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/components/PastSnapshotFinderByVersionTest/shared.xml
@@ -7,34 +7,34 @@
 
 
   <!-- version 1.1-SNAPSHOT -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="1.1-SNAPSHOT" path=""
              status="P" islast="false" depth="0" />
 
 
   <!-- version 1.1-SNAPSHOT -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1003"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1003"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-02 13:58:00.00" build_date="2008-11-02 13:58:00.00" version="1.1-SNAPSHOT" path=""
              status="P" islast="true" depth="0" />
 
 
   <!-- unprocessed version 1.1 (to ignore) -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1006"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1006"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-03 13:58:00.00" build_date="2008-11-03 13:58:00.00" version="1.1" path=""
              status="U" islast="false" depth="0" />
 
 
   <!-- version 1.1 -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1009"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-04 13:58:00.00" build_date="2008-11-04 13:58:00.00" version="1.1" path=""
              status="P" islast="false" depth="0" />
 
   <!-- current analysis -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1010"
              project_id="1" parent_snapshot_id="[null]" root_project_id="1" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-05 13:58:00.00" build_date="2008-11-05 13:58:00.00" version="1.2-SNAPSHOT" path=""
              status="U" islast="false" depth="0" />
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shared.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shared.xml
index ef59f34361d..61455e2ca4c 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shared.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shared.xml
@@ -5,7 +5,7 @@
             name="Other project" long_name="Other" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="P" islast="false" depth="0" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewDirectory-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewDirectory-result.xml
index 37e37cca1ca..ab4d7f32c3f 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewDirectory-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewDirectory-result.xml
@@ -5,7 +5,7 @@
             name="Other project" long_name="Other" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="P" islast="false" depth="0"/>
 
@@ -19,11 +19,11 @@
             name="org.foo" long_name="org.foo" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
              scope="DIR" qualifier="PAC" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path="3001."
              status="U" islast="false" depth="1"/>
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewLibrary-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewLibrary-result.xml
index 7709bfb726f..bf73689908c 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewLibrary-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewLibrary-result.xml
@@ -5,7 +5,7 @@
             name="Other project" long_name="Other" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="P" islast="false" depth="0" />
 
@@ -19,15 +19,15 @@
             name="junit:junit" long_name="junit:junit" description="[null]"
             enabled="true" language="[null]" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="[null]" root_project_id="1002" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="[null]" root_project_id="1002" root_snapshot_id="[null]"
              scope="PRJ" qualifier="LIB" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="4.8.2" path=""
              status="P" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1002" parent_snapshot_id="[null]" root_project_id="1002" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1002" parent_snapshot_id="[null]" root_project_id="1002" root_snapshot_id="[null]"
              scope="PRJ" qualifier="LIB" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="3.2" path=""
              status="P" islast="false" depth="0" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewMultiModulesProject-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewMultiModulesProject-result.xml
index b78b4342de4..775852ae2d2 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewMultiModulesProject-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewMultiModulesProject-result.xml
@@ -5,7 +5,7 @@
             name="Other project" long_name="Other" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="P" islast="false" depth="0" />
 
@@ -28,19 +28,19 @@
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" root_project_id="1001" parent_snapshot_id="[null]"  root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" root_project_id="1001" parent_snapshot_id="[null]"  root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" root_project_id="1001" parent_snapshot_id="3001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" root_project_id="1001" parent_snapshot_id="3001" root_snapshot_id="3001"
              scope="PRJ" qualifier="BRC" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path="3001."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" root_project_id="1001" parent_snapshot_id="3001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" root_project_id="1001" parent_snapshot_id="3001" root_snapshot_id="3001"
              scope="PRJ" qualifier="BRC" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path="3001."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3004" project_id="1004" root_project_id="1001" parent_snapshot_id="3003" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3004" project_id="1004" root_project_id="1001" parent_snapshot_id="3003" root_snapshot_id="3001"
              scope="PRJ" qualifier="BRC" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path="3001.3003."
              status="U" islast="false" depth="2" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewProject-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewProject-result.xml
index 7fee78a4834..90dea6bdd7f 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewProject-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldSaveNewProject-result.xml
@@ -5,7 +5,7 @@
             name="Other project" long_name="Other" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3000" project_id="1000" parent_snapshot_id="[null]" root_project_id="1000" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="P" islast="false" depth="0" />
 
@@ -15,7 +15,7 @@
             name="Foo" long_name="Foo" description="some description"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldUpdateExistingResource-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldUpdateExistingResource-result.xml
index c791f9150bd..6dcfff897e9 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldUpdateExistingResource-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldUpdateExistingResource-result.xml
@@ -5,12 +5,12 @@
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
   <!-- old snapshot -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
   <!-- new snapshot -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-25 00:00:00.00" build_date="2010-12-25 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldUpdateExistingResource.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldUpdateExistingResource.xml
index f12ef5c35d8..df0192b6958 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldUpdateExistingResource.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/DefaultResourcePersisterTest/shouldUpdateExistingResource.xml
@@ -4,7 +4,7 @@
             name="old name" long_name="old name" description="old description"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shared.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shared.xml
index e8af6663c14..7b71eafa78b 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shared.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shared.xml
@@ -17,15 +17,15 @@
             name="Bar" long_name="org.foo.Bar" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
              scope="DIR" qualifier="PAC" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
              scope="FIL" qualifier="CLA" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001.3002."
              status="U" islast="false" depth="2" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldDelaySaving-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldDelaySaving-result.xml
index 490d6271a00..839631af64c 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldDelaySaving-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldDelaySaving-result.xml
@@ -18,15 +18,15 @@
             name="Bar" long_name="org.foo.Bar" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
              scope="DIR" qualifier="PAC" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
              scope="FIL" qualifier="CLA" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001.3002."
              status="U" islast="false" depth="2" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldInsertMeasure-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldInsertMeasure-result.xml
index 4c3f035d415..72b30a69eed 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldInsertMeasure-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldInsertMeasure-result.xml
@@ -18,15 +18,15 @@
             name="Bar" long_name="org.foo.Bar" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
              scope="DIR" qualifier="PAC" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
              scope="FIL" qualifier="CLA" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001.3002."
              status="U" islast="false" depth="2" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldNotDelaySavingWithDatabaseOnlyMeasure-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldNotDelaySavingWithDatabaseOnlyMeasure-result.xml
index 3429521a08f..7b71a86ed05 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldNotDelaySavingWithDatabaseOnlyMeasure-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldNotDelaySavingWithDatabaseOnlyMeasure-result.xml
@@ -18,15 +18,15 @@
             name="Bar" long_name="org.foo.Bar" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
              scope="DIR" qualifier="PAC" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
              scope="FIL" qualifier="CLA" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001.3002."
              status="U" islast="false" depth="2" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldUpdateMeasure-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldUpdateMeasure-result.xml
index f01532614f2..d4311e4484a 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldUpdateMeasure-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/MeasurePersisterTest/shouldUpdateMeasure-result.xml
@@ -18,15 +18,15 @@
             name="Bar" long_name="org.foo.Bar" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3001" project_id="1001" parent_snapshot_id="[null]" root_project_id="1001" root_snapshot_id="[null]"
              scope="PRJ" qualifier="TRK" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path=""
              status="U" islast="false" depth="0" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3002" project_id="1002" parent_snapshot_id="3001" root_project_id="1001" root_snapshot_id="3001"
              scope="DIR" qualifier="PAC" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001."
              status="U" islast="false" depth="1" />
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="3003" project_id="1003" parent_snapshot_id="3002" root_project_id="1001" root_snapshot_id="3001"
              scope="FIL" qualifier="CLA" created_at="2010-12-23 00:00:00.00" build_date="2010-12-23 00:00:00.00" version="[null]" path="3001.3002."
              status="U" islast="false" depth="2" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/SourcePersisterTest/shared.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/SourcePersisterTest/shared.xml
index d50e3065719..462bb7c4e50 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/SourcePersisterTest/shared.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/SourcePersisterTest/shared.xml
@@ -4,7 +4,7 @@
             name="Bar" long_name="org.foo.Bar" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000" project_id="200" parent_snapshot_id="[null]" root_project_id="100" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000" project_id="200" parent_snapshot_id="[null]" root_project_id="100" root_snapshot_id="[null]"
              scope="FIL" qualifier="CLA" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="U" islast="false" depth="3" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/index/SourcePersisterTest/shouldSaveSource-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/index/SourcePersisterTest/shouldSaveSource-result.xml
index 1b0269ee80d..e67531bb41f 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/index/SourcePersisterTest/shouldSaveSource-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/index/SourcePersisterTest/shouldSaveSource-result.xml
@@ -4,7 +4,7 @@
             name="Bar" long_name="org.foo.Bar" description="[null]"
             enabled="true" language="java" copy_resource_id="[null]" profile_id="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000" project_id="200" parent_snapshot_id="[null]" root_project_id="100" root_snapshot_id="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" id="1000" project_id="200" parent_snapshot_id="[null]" root_project_id="100" root_snapshot_id="[null]"
              scope="FIL" qualifier="CLA" created_at="2008-11-01 13:58:00.00" build_date="2008-11-01 13:58:00.00" version="[null]" path=""
              status="U" islast="false" depth="3" />
 
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/doNotFailIfNoPenultimateLast-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/doNotFailIfNoPenultimateLast-result.xml
index 1bc4e43cdda..e72a9cfc414 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/doNotFailIfNoPenultimateLast-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/doNotFailIfNoPenultimateLast-result.xml
@@ -1,21 +1,21 @@
 <dataset>
   <!-- currently processing snapshots -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="5" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="5" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="1"
               parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="6" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="6" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="2"
               parent_snapshot_id="5" root_project_id="[null]" root_snapshot_id="5" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="7" scope="DIR" qualifier="PAC" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="7" scope="DIR" qualifier="PAC" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="3"
               parent_snapshot_id="6" root_project_id="[null]" root_snapshot_id="5" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="8" scope="FIL" qualifier="CLA" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="8" scope="FIL" qualifier="CLA" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="4"
               parent_snapshot_id="7" root_project_id="[null]" root_snapshot_id="5" status="P" islast="true"
              path="[null]"/>
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/doNotFailIfNoPenultimateLast.xml b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/doNotFailIfNoPenultimateLast.xml
index d6fafc0ec24..afcc4813217 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/doNotFailIfNoPenultimateLast.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/doNotFailIfNoPenultimateLast.xml
@@ -1,22 +1,22 @@
 <dataset>
 
   <!-- currently processing snapshots -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="5" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="5" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="1"
               parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="U" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="6" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="6" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="2"
               parent_snapshot_id="5" root_project_id="[null]" root_snapshot_id="5" status="U" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="7" scope="DIR" qualifier="PAC" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="7" scope="DIR" qualifier="PAC" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="3"
               parent_snapshot_id="6" root_project_id="[null]" root_snapshot_id="5" status="U" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="8" scope="FIL" qualifier="CLA" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="8" scope="FIL" qualifier="CLA" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="4"
               parent_snapshot_id="7" root_project_id="[null]" root_snapshot_id="5" status="U" islast="false"
              path="[null]"/>
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldNotEnableSnapshotWhenNotLatest-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldNotEnableSnapshotWhenNotLatest-result.xml
index 1054f4e7e4d..257a7193bfe 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldNotEnableSnapshotWhenNotLatest-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldNotEnableSnapshotWhenNotLatest-result.xml
@@ -1,35 +1,35 @@
 <dataset>
 
   <!-- last snapshot : is always last, and not purged -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="1"
              scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="1"
              parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="2"
              scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="2"
              parent_snapshot_id="1" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="3"
              scope="DIR" qualifier="PAC" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="3"
              parent_snapshot_id="2" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="4"
              scope="FIL" qualifier="CLA" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="4"
              parent_snapshot_id="3" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="5"
              scope="FIL" qualifier="CLA" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="5"
@@ -38,35 +38,35 @@
 
 
   <!-- the snapshot to process : not set as last-->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="6"
              scope="PRJ" qualifier="TRK" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="1"
              parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="7"
              scope="PRJ" qualifier="TRK" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="2"
              parent_snapshot_id="6" root_project_id="[null]" root_snapshot_id="6" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="8"
              scope="DIR" qualifier="PAC" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="3"
              parent_snapshot_id="7" root_project_id="[null]" root_snapshot_id="6" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="9"
              scope="FIL" qualifier="CLA" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="4"
              parent_snapshot_id="8" root_project_id="[null]" root_snapshot_id="6" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="10"
              scope="FIL" qualifier="CLA" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="5"
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldNotEnableSnapshotWhenNotLatest.xml b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldNotEnableSnapshotWhenNotLatest.xml
index 639dd89d9b6..fd2cd5dad67 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldNotEnableSnapshotWhenNotLatest.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldNotEnableSnapshotWhenNotLatest.xml
@@ -1,35 +1,35 @@
 <dataset>
 
   <!-- last snapshot -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="1"
              scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="1"
              parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="2"
              scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="2"
              parent_snapshot_id="1" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="3"
              scope="DIR" qualifier="PAC" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="3"
              parent_snapshot_id="2" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="4"
              scope="FIL" qualifier="CLA" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="4"
              parent_snapshot_id="3" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="5"
              scope="FIL" qualifier="CLA" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="5"
@@ -38,7 +38,7 @@
 
 
   <!-- the snapshot to process : before last snapshot -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="6"
              scope="PRJ" qualifier="TRK" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="1"
@@ -46,28 +46,28 @@
              islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="7"
              scope="PRJ" qualifier="TRK" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="2"
              parent_snapshot_id="6" root_project_id="[null]" root_snapshot_id="6" status="U" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="8"
              scope="DIR" qualifier="PAC" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="3"
              parent_snapshot_id="7" root_project_id="[null]" root_snapshot_id="6" status="U" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="9"
              scope="FIL" qualifier="CLA" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="4"
              parent_snapshot_id="8" root_project_id="[null]" root_snapshot_id="6" status="U" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]"
              period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="10"
              scope="FIL" qualifier="CLA" created_at="2005-10-01 00:00:00.00" build_date="2005-10-01 00:00:00.00" version="[null]"
              project_id="5"
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldUnflagPenultimateLastSnapshot-result.xml b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldUnflagPenultimateLastSnapshot-result.xml
index 899124a13f2..b937684b063 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldUnflagPenultimateLastSnapshot-result.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldUnflagPenultimateLastSnapshot-result.xml
@@ -1,54 +1,54 @@
 <dataset>
 
   <!-- previous last snapshots -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="1" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="1" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="1"
               parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="2" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="2" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="2"
               parent_snapshot_id="1" root_project_id="[null]" root_snapshot_id="1" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="3" scope="DIR" qualifier="PAC" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="3" scope="DIR" qualifier="PAC" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="3"
               parent_snapshot_id="2" root_project_id="[null]" root_snapshot_id="1" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="4" scope="FIL" qualifier="CLA" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="4" scope="FIL" qualifier="CLA" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="4"
               parent_snapshot_id="3" root_project_id="[null]" root_snapshot_id="1" status="P" islast="false"
              path="[null]"/>
 
   <!-- already purged snapshot -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="9" scope="PRJ" qualifier="TRK" created_at="2008-10-02 13:58:00.00" build_date="2008-10-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="9" scope="PRJ" qualifier="TRK" created_at="2008-10-02 13:58:00.00" build_date="2008-10-02 13:58:00.00" version="[null]"
              project_id="1"
               parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="10" scope="PRJ" qualifier="TRK" created_at="2008-10-02 13:58:00.00" build_date="2008-10-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="10" scope="PRJ" qualifier="TRK" created_at="2008-10-02 13:58:00.00" build_date="2008-10-02 13:58:00.00" version="[null]"
              project_id="2"
               parent_snapshot_id="9" root_project_id="[null]" root_snapshot_id="9" status="P" islast="false"
              path="[null]"/>
 
   <!-- currently processing snapshots -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="11" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="11" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="1"
               parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="12" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="12" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="2"
               parent_snapshot_id="11" root_project_id="[null]" root_snapshot_id="11" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="13" scope="DIR" qualifier="PAC" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="13" scope="DIR" qualifier="PAC" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="3"
               parent_snapshot_id="12" root_project_id="[null]" root_snapshot_id="11" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="14" scope="FIL" qualifier="CLA" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="14" scope="FIL" qualifier="CLA" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="4"
               parent_snapshot_id="13" root_project_id="[null]" root_snapshot_id="11" status="P" islast="true"
              path="[null]"/>
diff --git a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldUnflagPenultimateLastSnapshot.xml b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldUnflagPenultimateLastSnapshot.xml
index 34c75c87610..fb985b93592 100644
--- a/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldUnflagPenultimateLastSnapshot.xml
+++ b/sonar-batch/src/test/resources/org/sonar/batch/phases/UpdateStatusJobTest/shouldUnflagPenultimateLastSnapshot.xml
@@ -1,56 +1,56 @@
 <dataset>
 
   <!-- previous last snapshots -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="1" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="1" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="1"
               parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="2" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="2" scope="PRJ" qualifier="TRK" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="2"
               parent_snapshot_id="1" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="3" scope="DIR" qualifier="PAC" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="3" scope="DIR" qualifier="PAC" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="3"
               parent_snapshot_id="2" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="4" scope="FIL" qualifier="CLA" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="4" scope="FIL" qualifier="CLA" created_at="2008-12-02 13:58:00.00" build_date="2008-12-02 13:58:00.00" version="[null]"
              project_id="4"
               parent_snapshot_id="3" root_project_id="[null]" root_snapshot_id="1" status="P" islast="true"
              path="[null]"/>
 
 
   <!-- already purged snapshot -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="9" scope="PRJ" qualifier="TRK" created_at="2008-10-02 13:58:00.00" build_date="2008-10-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="9" scope="PRJ" qualifier="TRK" created_at="2008-10-02 13:58:00.00" build_date="2008-10-02 13:58:00.00" version="[null]"
              project_id="1"
               parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="P" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="10" scope="PRJ" qualifier="TRK" created_at="2008-10-02 13:58:00.00" build_date="2008-10-02 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="10" scope="PRJ" qualifier="TRK" created_at="2008-10-02 13:58:00.00" build_date="2008-10-02 13:58:00.00" version="[null]"
              project_id="2"
               parent_snapshot_id="9" root_project_id="[null]" root_snapshot_id="9" status="P" islast="false"
              path="[null]"/>
 
 
   <!-- currently processing snapshots -->
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="11" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
+  <snapshots purge_status="[null]" period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="11" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
              project_id="1"
               parent_snapshot_id="[null]" root_project_id="[null]" root_snapshot_id="[null]" status="U" islast="false"
              path="[null]"/>
 
-  <snapshots period1_mode="[null]" period1_param="[null]" period1_date="[null]" period2_mode="[null]" period2_param="[null]" period2_date="[null]" period3_mode="[null]" period3_param="[null]" period3_date="[null]" period4_mode="[null]" period4_param="[null]" period4_date="[null]" period5_mode="[null]" period5_param="[null]" period5_date="[null]" depth="[null]" id="12" scope="PRJ" qualifier="TRK" created_at="2008-12-04 13:58:00.00" build_date="2008-12-04 13:58:00.00" version="[null]"
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