ClickHouse/tests/queries/0_stateless/02494_query_cache_bugs.sql
2023-11-10 14:03:13 +00:00

40 lines
979 B
SQL

-- Tags: no-parallel
-- Tag no-parallel: Messes with internal cache
-- Test for Bug 56258
SYSTEM DROP QUERY CACHE;
SELECT '-- Bug 56258: Check literals (ASTLiteral)';
SELECT 10 FORMAT Vertical SETTINGS use_query_cache = 1;
SELECT 10 AS x FORMAT Vertical SETTINGS use_query_cache = 1;
SELECT count(*) FROM system.query_cache;
SYSTEM DROP QUERY CACHE;
SELECT '-- Bug 56258: Check functions (ASTFunction)';
SELECT toUInt64(42) FORMAT Vertical SETTINGS use_query_cache = 1;
SELECT toUInt64(42) AS x FORMAT Vertical SETTINGS use_query_cache = 1;
SELECT count(*) FROM system.query_cache;
SYSTEM DROP QUERY CACHE;
SELECT '-- Bug 56258: Check identifiers (ASTIdentifier)';
DROP TABLE IF EXISTS tab;
CREATE TABLE tab(c UInt64) ENGINE = Memory AS SELECT 1;
SELECT c FROM tab FORMAT Vertical SETTINGS use_query_cache = 1;
SELECT c AS x FROM tab FORMAT Vertical SETTINGS use_query_cache = 1;
SELECT count(*) FROM system.query_cache;
DROP TABLE tab;
SYSTEM DROP QUERY CACHE;