private void loadData(Map<String, List<Map<String, Object>>> tmpCache) throws SQLException {
        queryAndFillData(tmpCache, getConnectionWithRetry((RdbSideTableInfo) sideInfo.getSideTableInfo()));
    }
covert flink time attribute.Type information for indicating event or processing time.
However, it behaves like a regular SQL timestamp but is serialized as Long.

@param entry
@param obj
@return
rdb/rdb-side/src/main/java/com/dtstack/flink/sql/side/rdb/all/AbstractRdbAllReqRow.java