mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 13:42:02 +00:00
19 lines
840 B
MySQL
19 lines
840 B
MySQL
|
DROP TABLE IF EXISTS test.test;
|
||
|
|
DROP TABLE IF EXISTS test.test_view;
|
||
|
|
|
||
|
|
CREATE TABLE test.test(date Date, id Int8, name String, value Int64) ENGINE = MergeTree(date, (id, date), 8192);
|
||
|
|
CREATE VIEW test.test_view AS SELECT * FROM test.test;
|
||
|
|
|
||
|
|
SET enable_optimize_predicate_expression = 1;
|
||
|
|
SET enable_debug_queries = 1;
|
||
|
|
|
||
|
|
-- Optimize predicate expression with view
|
||
|
|
-- TODO: simple view is not replaced with subquery inside syntax analyzer
|
||
|
|
ANALYZE SELECT * FROM test.test_view WHERE id = 1;
|
||
|
|
ANALYZE SELECT * FROM test.test_view WHERE id = 2;
|
||
|
|
ANALYZE SELECT id FROM test.test_view WHERE id = 1;
|
||
|
|
ANALYZE SELECT s.id FROM test.test_view AS s WHERE s.id = 1;
|
||
|
|
|
||
|
|
-- TODO: this query shouldn't work, because the name `toUInt64(sum(id))` is undefined for user
|
||
|
|
SELECT * FROM (SELECT toUInt64(b), sum(id) AS b FROM test.test) WHERE `toUInt64(sum(id))` = 3;
|