Merge pull request #25 from lsst-sqre/tickets/DM-41951

[DM-41951] set auto commit to false

tap/src/main/java/ca/nrc/cadc/sample/QueryRunner.java

@@ -378,7 +378,7 @@ private void doIt()
                     // manually control transaction, make fetch size (client batch size) small,
                     // and restrict to forward only so that client memory usage is minimal since
                     // we are only interested in reading the ResultSet once
-
+                    connection.setAutoCommit(false);
                     pstmt = connection.prepareStatement(sql);
                     pstmt.setFetchSize(1000);
                     pstmt.setFetchDirection(ResultSet.FETCH_FORWARD);