MVTableEngine bugfix

h2/src/main/org/h2/mvstore/db/MVSecondaryIndex.java

@@ -68,6 +68,9 @@ public class MVSecondaryIndex extends BaseIndex {
                 keyType(keyType).
                 valueType(valueType);
         dataMap = mvTable.getTransaction(null).openMap(mapName, mapBuilder);
+        if (keyType != dataMap.map.getKeyType()) {
+            throw DbException.throwInternalError("Incomatible key type");
+        }
     }
 
     @Override

h2/src/main/org/h2/mvstore/db/MVTable.java

@@ -383,10 +383,7 @@ public class MVTable extends TableBase {
         int mainIndexColumn;
         mainIndexColumn = getMainIndexColumn(indexType, cols);
         if (database.isStarting()) {
-            index = new MVSecondaryIndex(session.getDatabase(),
-                    this, indexId,
-                    indexName, cols, indexType);
-            if (index.getRowCountApproximation() != 0) {
+            if (store.store.hasMap("index." + indexId)) {
                 mainIndexColumn = -1;
             }
         } else if (primaryIndex.getRowCount(session) != 0) {