thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-24 16:42:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

ISSUES-3885 temporarily disable predicate optimization for order by

Browse Source
This commit is contained in:
zhang2014 2018-12-21 10:40:15 +08:00
parent aa06005a32
commit 7dd897f2e6
2 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
dbms/tests/queries/0_stateless/00808_not_optimize_predicate.reference Normal file
View File

@ -0,0 +1,7 @@
2000-01-01 1 test string 1 1 1
2000-01-01 1 test string 1 1 1
2000-01-01 1 test string 1 1 1
1
1 a 0
2 b 0
2 a 0

30
dbms/tests/queries/0_stateless/00808_not_optimize_predicate.sql Normal file
View File

@ -0,0 +1,30 @@
SET send_logs_level = 'none';
DROP TABLE IF EXISTS test.test;
CREATE TABLE test.test(date Date, id Int8, name String, value Int64, sign Int8) ENGINE = CollapsingMergeTree(sign) ORDER BY (id, date);
INSERT INTO test.test VALUES('2000-01-01', 1, 'test string 1', 1, 1);
INSERT INTO test.test VALUES('2000-01-01', 2, 'test string 2', 2, 1);
SET enable_optimize_predicate_expression = 1;
SELECT * FROM (SELECT * FROM test.test FINAL) WHERE id = 1;
SELECT * FROM (SELECT * FROM test.test LIMIT 1) WHERE id = 1;
SELECT * FROM (SELECT * FROM test.test ORDER BY id) WHERE id = 1;
SELECT * FROM (SELECT id FROM test.test GROUP BY id LIMIT 1 BY id) WHERE id = 1;
SELECT n, z, changed FROM (
SELECT n, z, runningDifferenceStartingWithFirstValue(n) AS changed FROM (
SELECT ts, n,z FROM system.one ARRAY JOIN [1,3,4,5,6] AS ts,
[1,2,2,2,1] AS n, ['a', 'a', 'b', 'a', 'b'] AS z
ORDER BY n, ts DESC
)
) WHERE changed = 0;
SET force_primary_key = 1;
SELECT * FROM (SELECT * FROM test.test FINAL) WHERE id = 1; -- { serverError 277 }
SELECT * FROM (SELECT * FROM test.test LIMIT 1) WHERE id = 1; -- { serverError 277 }
SELECT * FROM (SELECT * FROM test.test ORDER BY id) WHERE id = 1; -- { serverError 277 }
SELECT * FROM (SELECT id FROM test.test GROUP BY id LIMIT 1 BY id) WHERE id = 1; -- { serverError 277 }
DROP TABLE IF EXISTS test.test;