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# Tests for IMPALA-1658

from __future__ import absolute_import, division, print_function
from tests.common.custom_cluster_test_suite import CustomClusterTestSuite


class TestHBaseHmsColumnOrder(CustomClusterTestSuite):
  '''If use_hms_column_order_for_hbase_tables=false, then catalogd orders HBase columns
     by family/qualifier (IMPALA-886). This is incompatible with other file formats and
     HBase tables in Hive, where the order  comes from HMS and is defined during CREATE
     TABLE. For the sake of backward compatibility the old behavior is kept as default.
     This test checks that the correct order is used if
     use_hms_column_order_for_hbase_tables=true
  '''

  @classmethod
  def add_test_dimensions(cls):
    super(CustomClusterTestSuite, cls).add_test_dimensions()
    cls.ImpalaTestMatrix.add_constraint(lambda v:
        v.get_value('table_format').file_format == 'hbase')

  @CustomClusterTestSuite.with_args(
      impalad_args="--use_hms_column_order_for_hbase_tables=true",
      catalogd_args="--use_hms_column_order_for_hbase_tables=true")
  def test_hbase_hms_column_order(self, vector):
    self.run_test_case('QueryTest/hbase-hms-column-order', vector)