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Add a test for distributed_group_by_no_merge=2

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This commit is contained in:
Azat Khuzhin 2020-08-15 17:07:26 +03:00
parent fffeeeba06
commit 5e71fe3f39
3 changed files with 76 additions and 2 deletions
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35
tests/queries/0_stateless/00184_shard_distributed_group_by_no_merge.reference
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@ -1,6 +1,41 @@
distributed_group_by_no_merge=1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1
1 1
distributed_group_by_no_merge=2
LIMIT
1 1 1
OFFSET
2 1 1
ALIAS
0
0
ORDER BY
1
1
0
0
ORDER BY LIMIT
1
LIMIT BY
0
1
LIMIT BY LIMIT
0
GROUP BY ORDER BY
1
1
1
1
GROUP BY w/ ALIAS
0
1
0
1
ORDER BY w/ ALIAS
0

42
tests/queries/0_stateless/00184_shard_distributed_group_by_no_merge.sql
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@ -1,2 +1,40 @@
SELECT count(), uniq(dummy) FROM remote('127.0.0.{2,3}', system.one) SETTINGS distributed_group_by_no_merge = 1; SELECT 'distributed_group_by_no_merge=1';
SELECT count(), uniq(dummy) FROM remote('127.0.0.{2,3,4,5}', system.one) SETTINGS distributed_group_by_no_merge = 1; SELECT count(), uniq(dummy) FROM remote('127.0.0.{2,3}', system.one) SETTINGS distributed_group_by_no_merge=1;
SELECT count(), uniq(dummy) FROM remote('127.0.0.{2,3,4,5}', system.one) SETTINGS distributed_group_by_no_merge=1;
SELECT count(), uniq(dummy) FROM remote('127.0.0.{2,3}', system.one) LIMIT 1 SETTINGS distributed_group_by_no_merge=1;
SELECT 'distributed_group_by_no_merge=2';
SET max_distributed_connections=1;
SET max_threads=1;
-- breaks any(_shard_num)
SET optimize_move_functions_out_of_any=0;
SELECT 'LIMIT';
SELECT any(_shard_num) shard_num, count(), uniq(dummy) FROM remote('127.0.0.{2,3}', system.one) LIMIT 1 SETTINGS distributed_group_by_no_merge=2;
SELECT 'OFFSET';
SELECT any(_shard_num) shard_num, count(), uniq(dummy) FROM remote('127.0.0.{2,3}', system.one) LIMIT 1, 1 SETTINGS distributed_group_by_no_merge=2;
SELECT 'ALIAS';
SELECT dummy AS d FROM remote('127.0.0.{2,3}', system.one) ORDER BY d SETTINGS distributed_group_by_no_merge=2;
DROP TABLE IF EXISTS data_00184;
CREATE TABLE data_00184 Engine=Memory() AS SELECT * FROM numbers(2);
SELECT 'ORDER BY';
SELECT number FROM remote('127.0.0.{2,3}', currentDatabase(), data_00184) ORDER BY number DESC SETTINGS distributed_group_by_no_merge=2;
SELECT 'ORDER BY LIMIT';
SELECT number FROM remote('127.0.0.{2,3}', currentDatabase(), data_00184) ORDER BY number DESC LIMIT 1 SETTINGS distributed_group_by_no_merge=2;
SELECT 'LIMIT BY';
SELECT number FROM remote('127.0.0.{2,3}', currentDatabase(), data_00184) LIMIT 1 BY number SETTINGS distributed_group_by_no_merge=2;
SELECT 'LIMIT BY LIMIT';
SELECT number FROM remote('127.0.0.{2,3}', currentDatabase(), data_00184) LIMIT 1 BY number LIMIT 1 SETTINGS distributed_group_by_no_merge=2;
SELECT 'GROUP BY ORDER BY';
SELECT uniq(number) u FROM remote('127.0.0.{2,3}', currentDatabase(), data_00184) GROUP BY number ORDER BY u DESC SETTINGS distributed_group_by_no_merge=2;
-- cover possible tricky issues
SELECT 'GROUP BY w/ ALIAS';
SELECT n FROM remote('127.0.0.{2,3}', currentDatabase(), data_00184) GROUP BY number AS n SETTINGS distributed_group_by_no_merge=2;
SELECT 'ORDER BY w/ ALIAS';
SELECT n FROM remote('127.0.0.{2,3}', currentDatabase(), data_00184) ORDER BY number AS n LIMIT 1 SETTINGS distributed_group_by_no_merge=2;

1
tests/queries/0_stateless/arcadia_skip_list.txt
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@ -1,6 +1,7 @@
# Add testcase here to skip it in Arcadia CI (Yandex synchronization check) # Add testcase here to skip it in Arcadia CI (Yandex synchronization check)
# It is useful for tests with not supported features in Arcadia build # It is useful for tests with not supported features in Arcadia build
00105_shard_collations 00105_shard_collations
00184_shard_distributed_group_by_no_merge
00436_convert_charset 00436_convert_charset
00490_special_line_separators_and_characters_outside_of_bmp 00490_special_line_separators_and_characters_outside_of_bmp
00506_union_distributed 00506_union_distributed