mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-17 13:13:36 +00:00
20 lines
703 B
SQL
20 lines
703 B
SQL
DROP TABLE IF EXISTS test;
|
|
DROP TABLE IF EXISTS test_view;
|
|
|
|
CREATE TABLE test(date Date, id Int8, name String, value Int64) ENGINE = MergeTree(date, (id, date), 8192);
|
|
CREATE VIEW test_view AS SELECT * FROM test;
|
|
|
|
SET enable_debug_queries = 1;
|
|
SET enable_optimize_predicate_expression = 1;
|
|
|
|
-- Optimize predicate expression with view
|
|
ANALYZE SELECT * FROM test_view WHERE id = 1;
|
|
ANALYZE SELECT * FROM test_view WHERE id = 2;
|
|
ANALYZE SELECT id FROM test_view WHERE id = 1;
|
|
ANALYZE SELECT s.id FROM test_view AS s WHERE s.id = 1;
|
|
|
|
SELECT * FROM (SELECT toUInt64(b), sum(id) AS b FROM test) WHERE `toUInt64(sum(id))` = 3; -- { serverError 47 }
|
|
|
|
DROP TABLE IF EXISTS test;
|
|
DROP TABLE IF EXISTS test_view;
|