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05c8e4da93
Impala would ignore changes in a partition's location (by ALTER TABLE ... SET LOCATION ...). Change-Id: I9fdc1f09f9d848aa1a4ade3d4f35f8de9cbd18a5 Reviewed-on: http://gerrit.ent.cloudera.com:8080/1647 Reviewed-by: Henry Robinson <henry@cloudera.com> Tested-by: jenkins Reviewed-on: http://gerrit.ent.cloudera.com:8080/1824
88 lines
3.6 KiB
Python
Executable File
88 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2012 Cloudera, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from tests.common.impala_test_suite import ImpalaTestSuite
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import time
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import pytest
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class TestInsertBehaviour(ImpalaTestSuite):
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"""Tests for INSERT behaviour that isn't covered by checking query results"""
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@pytest.mark.excute_serially
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def test_insert_removes_staging_files(self):
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insert_staging_dir = \
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"test-warehouse/functional.db/insert_overwrite_nopart/.impala_insert_staging"
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self.hdfs_client.delete_file_dir(insert_staging_dir, recursive=True)
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self.client.execute("""INSERT OVERWRITE
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functional.insert_overwrite_nopart SELECT int_col FROM functional.tinyinttable""")
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ls = self.hdfs_client.list_dir(insert_staging_dir)
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assert len(ls['FileStatuses']['FileStatus']) == 0
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@pytest.mark.excute_serially
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def test_insert_preserves_hidden_files(self):
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"""Test that INSERT OVERWRITE preserves hidden files in the root table directory"""
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table_dir = "test-warehouse/functional.db/insert_overwrite_nopart/"
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hidden_file_locations = [".hidden", "_hidden"]
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dir_locations = ["dir", ".hidden_dir"]
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for dir in dir_locations:
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self.hdfs_client.make_dir(table_dir + dir)
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for file in hidden_file_locations:
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self.hdfs_client.create_file(table_dir + file, '', overwrite=True)
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self.client.execute("""INSERT OVERWRITE
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functional.insert_overwrite_nopart SELECT int_col FROM functional.tinyinttable""")
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for file in hidden_file_locations:
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try:
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self.hdfs_client.get_file_dir_status(table_dir + file)
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except:
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err_msg = "Hidden file '%s' was unexpectedly deleted by INSERT OVERWRITE"
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pytest.fail(err_msg % (table_dir + file))
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for dir in dir_locations:
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try:
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self.hdfs_client.get_file_dir_status(table_dir + file)
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except:
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err_msg = "Directory '%s' was unexpectedly deleted by INSERT OVERWRITE"
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pytest.fail(err_msg % (table_dir + dir))
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@pytest.mark.excute_serially
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def test_insert_alter_partition_location(self):
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"""Test that inserts after changing the location of a partition work correctly"""
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partition_dir = "tmp/test_insert_alter_partition_location"
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self.client.execute("DROP TABLE IF EXISTS functional.insert_alter_partition_location")
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self.hdfs_client.delete_file_dir(partition_dir, recursive=True)
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self.hdfs_client.make_dir(partition_dir)
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self.client.execute(
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"CREATE TABLE functional.insert_alter_partition_location (c int) PARTITIONED BY (p int)")
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self.client.execute(
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"ALTER TABLE functional.insert_alter_partition_location ADD PARTITION(p=1)")
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self.client.execute(
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"ALTER TABLE functional.insert_alter_partition_location PARTITION(p=1) SET LOCATION '/%s'"
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% partition_dir)
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self.client.execute(
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"INSERT OVERWRITE functional.insert_alter_partition_location PARTITION(p=1) VALUES(1)")
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result = self.client.execute(
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"SELECT COUNT(*) FROM functional.insert_alter_partition_location")
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assert len(result.get_data()) == 1
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# Should have created exactly one file in the partition dir (not in a subdirectory)
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ls = self.hdfs_client.list_dir(partition_dir)
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assert len(ls['FileStatuses']['FileStatus']) == 1
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