ClickHouse/tests/queries/0_stateless/00808_not_optimize_predicate.sql
2024-05-30 19:41:08 +00:00

79 lines
2.4 KiB
SQL

SET send_logs_level = 'fatal';
SET convert_query_to_cnf = 0;
SET allow_deprecated_error_prone_window_functions = 1;
DROP TABLE IF EXISTS test_00808;
CREATE TABLE test_00808(date Date, id Int8, name String, value Int64, sign Int8) ENGINE = CollapsingMergeTree(sign) ORDER BY (id, date);
INSERT INTO test_00808 VALUES('2000-01-01', 1, 'test string 1', 1, 1);
INSERT INTO test_00808 VALUES('2000-01-01', 2, 'test string 2', 2, 1);
SET enable_optimize_predicate_expression = 1;
SELECT '-------ENABLE OPTIMIZE PREDICATE-------';
SELECT * FROM (SELECT * FROM test_00808 FINAL) WHERE id = 1;
SELECT * FROM (SELECT * FROM test_00808 ORDER BY id LIMIT 1) WHERE id = 1;
SELECT * FROM (SELECT id FROM test_00808 GROUP BY id LIMIT 1 BY id) WHERE id = 1;
SET force_primary_key = 1;
SELECT '-------FORCE PRIMARY KEY-------';
SELECT * FROM (SELECT * FROM test_00808 LIMIT 1) WHERE id = 1; -- { serverError INDEX_NOT_USED }
SELECT * FROM (SELECT id FROM test_00808 GROUP BY id LIMIT 1 BY id) WHERE id = 1; -- { serverError INDEX_NOT_USED }
SELECT '-------CHECK STATEFUL FUNCTIONS-------';
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;
SELECT arrayJoin(arrayMap(x -> x, arraySort(groupArray((ts, n))))) AS k 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 ASC, ts DESC
) WHERE z = 'a' GROUP BY z;
DROP TABLE IF EXISTS test_00808;
SELECT '-------finalizeAggregation should not be stateful (issue #14847)-------';
DROP TABLE IF EXISTS test_00808_push_down_with_finalizeAggregation;
CREATE TABLE test_00808_push_down_with_finalizeAggregation ENGINE = AggregatingMergeTree
ORDER BY n AS
SELECT
intDiv(number, 25) AS n,
avgState(number) AS s
FROM numbers(2500)
GROUP BY n
ORDER BY n;
SET force_primary_key = 1, enable_optimize_predicate_expression = 1;
SELECT *
FROM
(
SELECT
n,
finalizeAggregation(s)
FROM test_00808_push_down_with_finalizeAggregation
)
WHERE (n >= 2) AND (n <= 5)
ORDER BY n;
EXPLAIN SYNTAX SELECT *
FROM
(
SELECT
n,
finalizeAggregation(s)
FROM test_00808_push_down_with_finalizeAggregation
)
WHERE (n >= 2) AND (n <= 5);
DROP TABLE IF EXISTS test_00808_push_down_with_finalizeAggregation;