1 files changed, 12 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j.db.derby/src/org/eclipse/net4j/db/internal/derby/DerbyAdapter.java b/plugins/org.eclipse.net4j.db.derby/src/org/eclipse/net4j/db/internal/derby/DerbyAdapter.java
index 07af1f3f91..6a44497981 100644
--- a/plugins/org.eclipse.net4j.db.derby/src/org/eclipse/net4j/db/internal/derby/DerbyAdapter.java
+++ b/plugins/org.eclipse.net4j.db.derby/src/org/eclipse/net4j/db/internal/derby/DerbyAdapter.java
@@ -11,6 +11,7 @@
 package org.eclipse.net4j.db.internal.derby;
 
 import org.eclipse.net4j.db.DBType;
+import org.eclipse.net4j.db.IDBField;
 import org.eclipse.net4j.internal.db.DBAdapter;
 import org.eclipse.net4j.internal.db.DBField;
 
@@ -70,6 +71,17 @@ public class DerbyAdapter extends DBAdapter
   }
 
   @Override
+  public void appendValue(StringBuilder builder, IDBField field, Object value)
+  {
+    if (value instanceof Boolean)
+    {
+      value = (Boolean)value ? 1 : 0;
+    }
+
+    super.appendValue(builder, field, value);
+  }
+
+  @Override
   protected boolean isReservedWord(String word)
   {
     return Arrays.binarySearch(RESERVED_WORDS, word.toUpperCase()) >= 0;