@Override
  public String getSQLQueryFields( String tableName ) {
    return "SELECT * FROM " + tableName + getLimitClause( 0 );
  }
@Test
  public void testQuerySchema() {
    DatabricksDatabaseMeta db = new DatabricksDatabaseMeta();
    assertEquals( "SELECT * FROM thetable LIMIT 0", db.getSQLQueryFields( "thetable" ) );
  }