CLOB and BLOB data was not immediately removed after a rollback.

h2/src/docsrc/html/changelog.html

@@ -18,7 +18,8 @@ Change Log
 <h1>Change Log</h1>
 
 <h2>Next Version (unreleased)</h2>
-<ul><li>There is a new Aggregate API that supports the internal H2 data types
+<ul><li>CLOB and BLOB data was not immediately removed after a rollback.
+</li><li>There is a new Aggregate API that supports the internal H2 data types
     (GEOMETRY for example). Thanks a lot to Nicolas Fortin for the patch!
 </li><li>Referential integrity constraints sometimes used the wrong index,
     such that updating a row in the referenced table incorrectly failed with

h2/src/main/org/h2/engine/Session.java

@@ -522,6 +522,16 @@ public class Session extends SessionWithState {
                 autoCommitAtTransactionEnd = false;
             }
         }
+        endTransaction();
+    }
+
+    private void checkCommitRollback() {
+        if (commitOrRollbackDisabled && locks.size() > 0) {
+            throw DbException.get(ErrorCode.COMMIT_ROLLBACK_NOT_ALLOWED);
+        }
+    }
+    
+    private void endTransaction() {
         if (unlinkLobMap != null && unlinkLobMap.size() > 0) {
             // need to flush the transaction log, because we can't unlink lobs if the
             // commit record is not written
@@ -535,12 +545,6 @@ public class Session extends SessionWithState {
         unlockAll();
     }
 
-    private void checkCommitRollback() {
-        if (commitOrRollbackDisabled && locks.size() > 0) {
-            throw DbException.get(ErrorCode.COMMIT_ROLLBACK_NOT_ALLOWED);
-        }
-    }
-
     /**
      * Fully roll back the current transaction.
      */
@@ -564,11 +568,11 @@ public class Session extends SessionWithState {
             database.commit(this);
         }
         cleanTempTables(false);
-        unlockAll();
         if (autoCommitAtTransactionEnd) {
             autoCommit = true;
             autoCommitAtTransactionEnd = false;
         }
+        endTransaction();
     }
 
     /**