@Override
    public PreparedStatement setQueryPrimaryKeySql(Connection conn,
            String tableIdentifier) throws SQLException {
        return null;
    }
SqlServer merge data.
https://docs.microsoft.com/en-us/sql/t-sql/statements/merge-transact-sql?view=sql-server-ver15
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/jdbc/src/main/java/org/apache/inlong/sort/jdbc/dialect/SqlServerDialect.java