HHH-8092 Added comment about unique constraints in schema update.

hibernate · Apr 5, 2013 · 838e71a · 838e71a
1 parent d35dee7
commit 838e71a
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/hibernate-core/src/main/java/org/hibernate/cfg/Configuration.java b/hibernate-core/src/main/java/org/hibernate/cfg/Configuration.java
@@ -1183,7 +1183,9 @@ public String[] generateSchemaUpdateScript(Dialect dialect, DatabaseMetadata dat
 				Iterator uniqueIter = table.getUniqueKeyIterator();
 				while ( uniqueIter.hasNext() ) {
 					final UniqueKey uniqueKey = (UniqueKey) uniqueIter.next();
-					// Skip if index already exists
+					// Skip if index already exists.  Most of the time, this
+					// won't work since most Dialects use Constraints.  However,
+					// keep it for the few that do use Indexes.
 					if ( tableInfo != null && StringHelper.isNotEmpty( uniqueKey.getName() ) ) {
 						final IndexMetadata meta = tableInfo.getIndexMetadata( uniqueKey.getName() );
 						if ( meta != null ) {