SONAR-15335 - Avoid returning duplicates in Export Findings

server/sonar-db-dao/src/main/java/org/sonar/db/issue/IssueDao.java

@@ -58,6 +58,10 @@ public class IssueDao implements Dao {
     return executeLargeInputs(keys, mapper(session)::selectByKeys);
   }
 
+  public Set<String> selectIssueKeysByComponentUuid(DbSession session, String componentUuid) {
+    return mapper(session).selectIssueKeysByComponentUuid(componentUuid);
+  }
+
   public List<IssueDto> selectByComponentUuidPaginated(DbSession session, String componentUuid, int page) {
     return mapper(session).selectByComponentUuidPaginated(componentUuid, Pagination.forPage(page).andSize(DEFAULT_PAGE_SIZE));
   }

server/sonar-db-dao/src/main/java/org/sonar/db/issue/IssueMapper.java

@@ -37,6 +37,8 @@ public interface IssueMapper {
 
   List<IssueDto> selectByKeys(List<String> keys);
 
+  Set<String> selectIssueKeysByComponentUuid(@Param("componentUuid") String componentUuid);
+
   List<IssueDto> selectByComponentUuidPaginated(@Param("componentUuid") String componentUuid,
                                                 @Param("pagination") Pagination pagination);
 

server/sonar-db-dao/src/main/resources/org/sonar/db/issue/IssueMapper.xml

@@ -353,6 +353,14 @@
     group by i2.issue_type, i2.severity, i2.resolution, i2.status, i2.inLeak
   </select>
 
+  <select id="selectIssueKeysByComponentUuid" parameterType="string" resultType="string">
+    select
+      i.kee
+    from issues i
+    where
+      i.project_uuid=#{componentUuid,jdbcType=VARCHAR}
+  </select>
+
   <select id="selectByComponentUuidPaginated" parameterType="map" resultType="Issue">
     select
     <include refid="issueColumns"/>
@@ -361,7 +369,7 @@
     inner join components p on p.uuid=i.component_uuid
     inner join components root on root.uuid=i.project_uuid
     where i.project_uuid=#{componentUuid,jdbcType=VARCHAR}
-    order by i.kee
+    order by i.issue_creation_date ASC
     limit #{pagination.pageSize,jdbcType=INTEGER} offset #{pagination.offset,jdbcType=INTEGER}
   </select>
 
@@ -370,7 +378,7 @@
     <include refid="issueColumns"/>
     from
     (select
-        row_number() over(order by i.kee) as row_number,
+        row_number() over(order by i.issue_creation_date ASC) as row_number,
           <include refid="issueColumnsInInnerQuery" />
         from issues i
         where i.project_uuid=#{componentUuid,jdbcType=VARCHAR}
@@ -392,7 +400,7 @@
 	        <include refid="issueColumnsInInnerQuery"/>
 	        from issues i
 	        where i.project_uuid=#{componentUuid,jdbcType=VARCHAR}
-	        	order by i.kee
+	        	order by i.issue_creation_date ASC
 	      ) t
 	    ) i
 	    where

server/sonar-db-dao/src/test/java/org/sonar/db/issue/IssueDaoTest.java

@@ -23,6 +23,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 import java.util.stream.Stream;
 import org.junit.Rule;
 import org.junit.Test;
@@ -128,6 +129,17 @@ public class IssueDaoTest {
     assertThat(issues).extracting("key").containsOnly("I1", "I2");
   }
 
+  @Test
+  public void selectIssueKeysByComponentUuid() {
+    // contains I1 and I2
+    prepareTables();
+
+    Set<String> issues = underTest.selectIssueKeysByComponentUuid(db.getSession(), PROJECT_UUID);
+
+    // results are not ordered, so do not use "containsExactly"
+    assertThat(issues).containsOnly("I1", "I2");
+  }
+
   @Test
   public void selectByComponentUuidPaginated() {
     // contains I1 and I2