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71 lines
1.8 KiB
SQL
71 lines
1.8 KiB
SQL
-- Tags: no-parallel
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-- Tag no-parallel: Messes with internal cache
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-- Tests that the key of the query cache is not only formed by the query AST but also by
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-- (1) the current database (`USE db`, issue #64136),
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-- (2) the query settings
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SELECT 'Test (1)';
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SYSTEM DROP QUERY CACHE;
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DROP DATABASE IF EXISTS db1;
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DROP DATABASE IF EXISTS db2;
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CREATE DATABASE db1;
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CREATE DATABASE db2;
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CREATE TABLE db1.tab(a UInt64, PRIMARY KEY a);
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CREATE TABLE db2.tab(a UInt64, PRIMARY KEY a);
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INSERT INTO db1.tab values(1);
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INSERT INTO db2.tab values(2);
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USE db1;
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SELECT * FROM tab SETTINGS use_query_cache=1;
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USE db2;
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SELECT * FROM tab SETTINGS use_query_cache=1;
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DROP DATABASE db1;
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DROP DATABASE db2;
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SYSTEM DROP QUERY CACHE;
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SELECT 'Test (2)';
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-- test with query-level settings
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SELECT 1 SETTINGS use_query_cache = 1, limit = 1, use_skip_indexes = 0 Format Null;
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SELECT 1 SETTINGS use_query_cache = 1, use_skip_indexes = 0 Format Null;
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SELECT 1 SETTINGS use_query_cache = 1, use_skip_indexes = 1 Format Null;
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SELECT 1 SETTINGS use_query_cache = 1, max_block_size = 1 Format Null;
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-- 4x the same query but with different settings each. There should yield four entries in the query cache.
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SELECT count(query) FROM system.query_cache;
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SYSTEM DROP QUERY CACHE;
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-- test with mixed session-level/query-level settings
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SET use_query_cache = 1;
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SET limit = 1;
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SELECT 1 SETTINGS use_skip_indexes = 0 Format Null;
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SET limit = default;
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SET use_skip_indexes = 0;
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SELECT 1 Format Null;
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SET use_skip_indexes = 1;
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SELECT 1 SETTINGS use_skip_indexes = 1 Format Null;
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SET use_skip_indexes = default;
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SET max_block_size = 1;
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SELECT 1 Format Null;
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SET max_block_size = default;
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SET use_query_cache = default;
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-- 4x the same query but with different settings each. There should yield four entries in the query cache.
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SELECT count(query) FROM system.query_cache;
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SYSTEM DROP QUERY CACHE;
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