tests/query_test/test_parquet_late_materialization.py

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from __future__ import absolute_import, division, print_function
from tests.common.impala_test_suite import ImpalaTestSuite


class TestParquetLateMaterialization(ImpalaTestSuite):
  """
  This suite tests late materialization optimization for parquet.
  """

  @classmethod
  def get_workload(cls):
    return 'functional-query'

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

  def test_parquet_late_materialization(self, vector):
    self.run_test_case('QueryTest/parquet-late-materialization', vector)

  def test_parquet_late_materialization_unique_db(self, vector, unique_database):
    self.run_test_case('QueryTest/parquet-late-materialization-unique-db', vector,
        unique_database)