try:
self.run_test_case('QueryTest/uda-mem-limit',
vector,
use_db=unique_database)
assert False, "Query was expected to fail"
except ImpalaBeeswaxException, e:
self._check_mem_limit_exception(e)
# It takes a long time for Impala to free up memory after this test, especially if
# ASAN is enabled. Verify that all fragments finish executing before moving on to the
# next test to make sure that the next test is not affected.
for impalad in ImpalaCluster.get_e2e_test_cluster().impalads:
verifier = MetricVerifier(impalad.service)
verifier.wait_for_metric("impala-server.num-fragments-in-flight",
0)
verifier.verify_num_unused_buffers()
def test_udf_constant_folding(self, vector, unique_database):
"""Test that constant folding of UDFs is handled correctly. Uses count_rows(),
which returns a unique value every time it is evaluated in the same thread."""
exec_options = copy(vector.get_value('exec_option'))
# Execute on a single node so that all counter values will be unique.
exec_options["num_nodes"] = 1
create_fn_query = """create function {database}.count_rows() returns bigint
location '{location}' symbol='Count' prepare_fn='CountPrepare'
close_fn='CountClose'"""
self._load_functions(create_fn_query, vector, unique_database,
get_fs_path('/test-warehouse/libTestUdfs.so'))
# Only one distinct value if the expression is constant folded, otherwise one
# value per row in alltypes
except ImpalaBeeswaxException, e:
self._check_mem_limit_exception(e)
try:
self.run_test_case('QueryTest/uda-mem-limit', vector, use_db=unique_database)
assert False, "Query was expected to fail"
except ImpalaBeeswaxException, e:
self._check_mem_limit_exception(e)
# It takes a long time for Impala to free up memory after this test, especially if
# ASAN is enabled. Verify that all fragments finish executing before moving on to the
# next test to make sure that the next test is not affected.
for impalad in ImpalaCluster().impalads:
verifier = MetricVerifier(impalad.service)
verifier.wait_for_metric("impala-server.num-fragments-in-flight", 0)
verifier.verify_num_unused_buffers()
def test_udf_constant_folding(self, vector, unique_database):
"""Test that constant folding of UDFs is handled correctly. Uses count_rows(),
which returns a unique value every time it is evaluated in the same thread."""
exec_options = copy(vector.get_value('exec_option'))
# Execute on a single node so that all counter values will be unique.
exec_options["num_nodes"] = 1
create_fn_query = """create function {database}.count_rows() returns bigint
location '{location}' symbol='Count' prepare_fn='CountPrepare'
close_fn='CountClose'"""
self._load_functions(create_fn_query, vector, unique_database,
get_fs_path('/test-warehouse/libTestUdfs.so'))
# Only one distinct value if the expression is constant folded, otherwise one
# value per row in alltypes
def test_num_unused_buffers(self):
"""Test that all buffers are unused"""
verifier = MetricVerifier(self.impalad_test_service)
verifier.verify_num_unused_buffers()
def test_num_unused_buffers(self): """Test that all buffers are unused""" verifier = MetricVerifier(self.impalad_test_service) verifier.verify_num_unused_buffers()
