Merge pull request #2326 from ClickHouse/small-meta-tweak

Quick Update to DatabaseMetaDataImpl.java

Author: Paultagoras

jdbc-v2/src/main/java/com/clickhouse/jdbc/metadata/DatabaseMetaDataImpl.java

@@ -1087,62 +1087,52 @@ public boolean supportsResultSetConcurrency(int type, int concurrency) throws SQ
 
     @Override
     public boolean ownUpdatesAreVisible(int type) throws SQLException {
-        // TODO: should be true
         return false;
     }
 
     @Override
     public boolean ownDeletesAreVisible(int type) throws SQLException {
-        // TODO: should be true
         return false;
     }
 
     @Override
     public boolean ownInsertsAreVisible(int type) throws SQLException {
-        // TODO: should be true
         return false;
     }
 
     @Override
     public boolean othersUpdatesAreVisible(int type) throws SQLException {
-        // TODO: should be checked
         return false;
     }
 
     @Override
     public boolean othersDeletesAreVisible(int type) throws SQLException {
-        // TODO: should be checked
         return false;
     }
 
     @Override
     public boolean othersInsertsAreVisible(int type) throws SQLException {
-        // TODO: should be checked
         return false;
     }
 
     @Override
     public boolean updatesAreDetected(int type) throws SQLException {
-        // TODO: should be checked
         return false;
     }
 
     @Override
     public boolean deletesAreDetected(int type) throws SQLException {
-        // TODO: should be checked
         return false;
     }
 
     @Override
     public boolean insertsAreDetected(int type) throws SQLException {
-        // TODO: should be checked
         return false;
     }
 
     @Override
     public boolean supportsBatchUpdates() throws SQLException {
-        // TODO: should be checked
-        return false;
+        return true;
     }
 
     @Override