enable expression evaluation by default

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@1324 f203690c-595d-4dc9-a70b-905162fa7fd2

6 files changed, 52 insertions, 41 deletions

diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index b7dc79d..c2f9668 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -9,6 +9,12 @@
         Add support for Access 97 general collation order, enabling indexes to
         be used with Access 97 dbs.
       </action>
+      <action dev="jahlborn" type="add">
+        Add Stream support to all interfaces which are Iterable.
+      </action>
+      <action dev="jahlborn" type="update">
+        Enabled expression evaluation by default.
+      </action>
     </release>
     <release version="3.0.1" date="2019-04-13">
       <action dev="jahlborn" type="update">
diff --git a/src/main/java/com/healthmarketscience/jackcess/Database.java b/src/main/java/com/healthmarketscience/jackcess/Database.java
index 7a27f69..7e9dd85 100644
--- a/src/main/java/com/healthmarketscience/jackcess/Database.java
+++ b/src/main/java/com/healthmarketscience/jackcess/Database.java
@@ -129,8 +129,8 @@ public interface Database extends Iterable<Table>, Closeable, Flushable
   public static final String ALLOW_AUTONUM_INSERT_PROPERTY =
     "com.healthmarketscience.jackcess.allowAutoNumberInsert";
 
-  /** system property which can be used to enable expression evaluation
-   * (currently experimental).  Defaults to {@code false}.
+  /** system property which can be used to disable expression evaluation
+   * if necessary.  Defaults to {@code true}.
    * @usage _general_field_
    */
   public static final String ENABLE_EXPRESSION_EVALUATION_PROPERTY =
@@ -514,14 +514,14 @@ public interface Database extends Iterable<Table>, Closeable, Flushable
 
   /**
    * Gets the current expression evaluation policy.  Expression evaluation is
-   * currently an experimental feature, and is therefore disabled by default.
+   * enabled by default but can be disabled if necessary.
    */
   public boolean isEvaluateExpressions();
 
   /**
    * Sets the current expression evaluation policy.  Expression evaluation is
-   * currently an experimental feature, and is therefore disabled by default.
-   * If {@code null}, resets to the default value.
+   * enabled by default but can be disabled if necessary.  If {@code null},
+   * resets to the default value.
    * @usage _intermediate_method_
    */
   public void setEvaluateExpressions(Boolean evaluateExpressions);
diff --git a/src/main/java/com/healthmarketscience/jackcess/impl/DatabaseImpl.java b/src/main/java/com/healthmarketscience/jackcess/impl/DatabaseImpl.java
index 3a63818..71b4c5e 100644
--- a/src/main/java/com/healthmarketscience/jackcess/impl/DatabaseImpl.java
+++ b/src/main/java/com/healthmarketscience/jackcess/impl/DatabaseImpl.java
@@ -2100,7 +2100,7 @@ public class DatabaseImpl implements Database, DateTimeContext
 
   /**
    * Returns the default enable expression evaluation policy.  This defaults to
-   * {@code false}, but can be overridden using the system
+   * {@code true}, but can be overridden using the system
    * property {@value com.healthmarketscience.jackcess.Database#ENABLE_EXPRESSION_EVALUATION_PROPERTY}.
    * @usage _advanced_method_
    */
@@ -2110,7 +2110,7 @@ public class DatabaseImpl implements Database, DateTimeContext
     if(prop != null) {
       return Boolean.TRUE.toString().equalsIgnoreCase(prop);
     }
-    return false;
+    return true;
   }
 
   /**
diff --git a/src/test/java/com/healthmarketscience/jackcess/IndexTest.java b/src/test/java/com/healthmarketscience/jackcess/IndexTest.java
index 47f7b89..8633dea 100644
--- a/src/test/java/com/healthmarketscience/jackcess/IndexTest.java
+++ b/src/test/java/com/healthmarketscience/jackcess/IndexTest.java
@@ -67,7 +67,7 @@ public class IndexTest extends TestCase {
     assertTrue(ByteUtil.asUnsignedByte(b3) < ByteUtil.asUnsignedByte(b4));
     assertTrue(ByteUtil.asUnsignedByte(b4) < ByteUtil.asUnsignedByte(b5));
   }
-  
+
   public void testByteCodeComparator() {
     byte[] b0 = null;
     byte[] b1 = new byte[]{(byte)0x00};
@@ -85,7 +85,7 @@ public class IndexTest extends TestCase {
         IndexData.BYTE_CODE_COMPARATOR);
     sortedSet.addAll(expectedList);
     assertEquals(expectedList, new ArrayList<byte[]>(sortedSet));
-    
+
   }
 
   public void testPrimaryKey() throws Exception {
@@ -98,7 +98,7 @@ public class IndexTest extends TestCase {
                      index.isPrimaryKey());
         if(index.isPrimaryKey()) {
           pkIndex= index;
-        
+
         }
       }
       Map<String, Boolean> expectedPKs = new HashMap<String, Boolean>();
@@ -108,7 +108,7 @@ public class IndexTest extends TestCase {
       assertSame(pkIndex, table.getPrimaryKeyIndex());
     }
   }
-  
+
   public void testLogicalIndexes() throws Exception
   {
     for (final TestDB testDB : TestDB.getSupportedForBasename(Basename.INDEX, true)) {
@@ -234,6 +234,8 @@ public class IndexTest extends TestCase {
     for (final TestDB testDB : TestDB.getSupportedForBasename(Basename.INDEX_PROPERTIES)) {
       Database db = openCopy(testDB);
 
+      db.setEvaluateExpressions(false);
+
       doTestIgnoreNulls(db, "TableIgnoreNulls1");
       doTestIgnoreNulls(db, "TableIgnoreNulls2");
 
@@ -254,7 +256,7 @@ public class IndexTest extends TestCase {
       temp.addRow(orig.asRow(row));
     }
 
-    assertEquals(origI.getIndexData().getEntryCount(), 
+    assertEquals(origI.getIndexData().getEntryCount(),
                  tempI.getIndexData().getEntryCount());
 
     Cursor origC = origI.newCursor().toCursor();
@@ -272,7 +274,7 @@ public class IndexTest extends TestCase {
       Cursor.Position origCurPos = origC.getSavepoint().getCurrentPosition();
       Map<String,Object> tempRow = tempC.getCurrentRow();
       Cursor.Position tempCurPos = tempC.getSavepoint().getCurrentPosition();
-      
+
       assertEquals(origRow, tempRow);
       assertEquals(IndexCodesTest.entryToString(origCurPos),
                    IndexCodesTest.entryToString(tempCurPos));
@@ -388,7 +390,7 @@ public class IndexTest extends TestCase {
 
       final Row row = c.getCurrentRow();
       // Row order is arbitrary, so v2007 row order difference is valid
-      if (testDB.getExpectedFileFormat().ordinal() >= 
+      if (testDB.getExpectedFileFormat().ordinal() >=
           Database.FileFormat.V2007.ordinal()) {
         TestUtil.checkTestDBTable1RowA(testDB, table, row);
       } else {
@@ -405,7 +407,7 @@ public class IndexTest extends TestCase {
       db.close();
     }
   }
-  
+
   public void testReplId() throws Exception
   {
     for (final TestDB testDB : SUPPORTED_DBS_TEST) {
@@ -436,8 +438,8 @@ public class IndexTest extends TestCase {
 
       assertEquals(1, t.getIndexes().size());
       IndexImpl idx = (IndexImpl)t.getIndexes().get(0);
-      
-      assertEquals(IndexBuilder.PRIMARY_KEY_NAME, idx.getName());       
+
+      assertEquals(IndexBuilder.PRIMARY_KEY_NAME, idx.getName());
       assertEquals(1, idx.getColumns().size());
       assertEquals("id", idx.getColumns().get(0).getName());
       assertTrue(idx.getColumns().get(0).isAscending());
@@ -459,9 +461,9 @@ public class IndexTest extends TestCase {
         assertEquals("row" + i, row.get("data"));
       }
       assertFalse(c.moveToNextRow());
-    }    
+    }
   }
-  
+
   public void testIndexCreationSharedData() throws Exception
   {
     for (final FileFormat fileFormat : SUPPORTED_FILEFORMATS) {
@@ -479,8 +481,8 @@ public class IndexTest extends TestCase {
 
       assertEquals(4, t.getIndexes().size());
       IndexImpl idx = (IndexImpl)t.getIndexes().get(0);
-      
-      assertEquals(IndexBuilder.PRIMARY_KEY_NAME, idx.getName());       
+
+      assertEquals(IndexBuilder.PRIMARY_KEY_NAME, idx.getName());
       assertEquals(1, idx.getColumns().size());
       assertEquals("id", idx.getColumns().get(0).getName());
       assertTrue(idx.getColumns().get(0).isAscending());
@@ -512,7 +514,7 @@ public class IndexTest extends TestCase {
       assertFalse(c.moveToNextRow());
     }
   }
-  
+
   public void testGetForeignKeyIndex() throws Exception
   {
     for (final TestDB testDB : TestDB.getSupportedForBasename(Basename.INDEX, true)) {
@@ -538,12 +540,12 @@ public class IndexTest extends TestCase {
       assertTrue(t3t1.getReference().isCascadeUpdates());
       assertFalse(t3t1.getReference().isCascadeDeletes());
       doCheckForeignKeyIndex(t1, t3t1, t3);
-      
+
       Index t1pk = t1.getIndex(IndexBuilder.PRIMARY_KEY_NAME);
       assertNotNull(t1pk);
       assertNull(((IndexImpl)t1pk).getReference());
       assertNull(t1pk.getReferencedIndex());
-    }    
+    }
   }
 
   public void testConstraintViolation() throws Exception
@@ -591,7 +593,7 @@ public class IndexTest extends TestCase {
       IndexCursor pkCursor = CursorBuilder.createPrimaryKeyCursor(t);
       assertCursor(expectedRows, pkCursor);
 
-      assertCursor(expectedRows, 
+      assertCursor(expectedRows,
                    CursorBuilder.createCursor(t.getIndex("data_ind")));
 
       List<Object[]> batch = new ArrayList<Object[]>();
@@ -614,10 +616,10 @@ public class IndexTest extends TestCase {
       expectedRows.add(createExpectedRow("id", 6, "data", "row6"));
 
       assertTable(expectedRows, t);
-      
+
       assertCursor(expectedRows, pkCursor);
 
-      assertCursor(expectedRows, 
+      assertCursor(expectedRows,
                    CursorBuilder.createCursor(t.getIndex("data_ind")));
 
       pkCursor.findFirstRowByEntry(4);
@@ -631,16 +633,16 @@ public class IndexTest extends TestCase {
       } catch(ConstraintViolationException ce) {
         // success
       }
-      
+
       assertTable(expectedRows, t);
-      
+
       assertCursor(expectedRows, pkCursor);
 
-      assertCursor(expectedRows, 
+      assertCursor(expectedRows,
                    CursorBuilder.createCursor(t.getIndex("data_ind")));
 
       db.close();
-    }    
+    }
   }
 
   public void testAutoNumberRecover() throws Exception
@@ -667,7 +669,7 @@ public class IndexTest extends TestCase {
       } catch(ConstraintViolationException ce) {
         // success
       }
-      
+
       t.addRow(null, "row3");
 
       assertEquals(3, t.getRowCount());
@@ -686,7 +688,7 @@ public class IndexTest extends TestCase {
       IndexCursor pkCursor = CursorBuilder.createPrimaryKeyCursor(t);
       assertCursor(expectedRows, pkCursor);
 
-      assertCursor(expectedRows, 
+      assertCursor(expectedRows,
                    CursorBuilder.createCursor(t.getIndex("data_ind")));
 
       List<Object[]> batch = new ArrayList<Object[]>();
@@ -708,16 +710,16 @@ public class IndexTest extends TestCase {
       expectedRows.add(createExpectedRow("id", 5, "data", "row5"));
 
       assertTable(expectedRows, t);
-      
+
       assertCursor(expectedRows, pkCursor);
 
-      assertCursor(expectedRows, 
+      assertCursor(expectedRows,
                    CursorBuilder.createCursor(t.getIndex("data_ind")));
 
       db.close();
     }
   }
-  
+
   public void testBinaryIndex() throws Exception
   {
     for (final TestDB testDB : TestDB.getSupportedForBasename(Basename.BINARY_INDEX)) {
@@ -746,7 +748,7 @@ public class IndexTest extends TestCase {
 
       boolean found = false;
       for(Row idxRow : ic.newEntryIterable(data)) {
-          
+
         assertTrue(Arrays.equals(data, idxRow.getBytes(colName)));
         if(id == idxRow.getInt("ID")) {
           found = true;
diff --git a/src/test/java/com/healthmarketscience/jackcess/impl/CalcFieldTest.java b/src/test/java/com/healthmarketscience/jackcess/impl/CalcFieldTest.java
index b5afcd3..29ea9ac 100644
--- a/src/test/java/com/healthmarketscience/jackcess/impl/CalcFieldTest.java
+++ b/src/test/java/com/healthmarketscience/jackcess/impl/CalcFieldTest.java
@@ -68,6 +68,8 @@ public class CalcFieldTest extends TestCase
 
       Database db = create(fileFormat);
 
+      db.setEvaluateExpressions(false);
+
       Table t = new TableBuilder("Test")
         .putProperty("awesome_table", true)
         .addColumn(new ColumnBuilder("id", DataType.LONG)
@@ -89,7 +91,7 @@ public class CalcFieldTest extends TestCase
       assertTrue(col.isCalculated());
       assertEquals("[id] & \"_\" & [data]", col.getProperties().getValue(
                        PropertyMap.EXPRESSION_PROP));
-      assertEquals(DataType.TEXT.getValue(), 
+      assertEquals(DataType.TEXT.getValue(),
                    col.getProperties().getValue(
                        PropertyMap.RESULT_TYPE_PROP));
 
@@ -163,7 +165,7 @@ public class CalcFieldTest extends TestCase
       assertEquals(expectedRows, rows);
 
       db.close();
-    }    
+    }
   }
 
 }
diff --git a/src/test/java/com/healthmarketscience/jackcess/impl/FKEnforcerTest.java b/src/test/java/com/healthmarketscience/jackcess/impl/FKEnforcerTest.java
index 2567f12..9f02481 100644
--- a/src/test/java/com/healthmarketscience/jackcess/impl/FKEnforcerTest.java
+++ b/src/test/java/com/healthmarketscience/jackcess/impl/FKEnforcerTest.java
@@ -63,13 +63,14 @@ public class FKEnforcerTest extends TestCase
 
       db.close();
     }
-    
+
   }
 
   public void testEnforceForeignKeys() throws Exception {
     for (final TestDB testDB : TestDB.getSupportedForBasename(Basename.INDEX)) {
 
       Database db = openCopy(testDB);
+      db.setEvaluateExpressions(false);
       Table t1 = db.getTable("Table1");
       Table t2 = db.getTable("Table2");
       Table t3 = db.getTable("Table3");
@@ -132,7 +133,7 @@ public class FKEnforcerTest extends TestCase
 
       db.close();
     }
-    
+
   }
 
   private static Row createT1Row(