mirror of
https://github.com/ClickHouse/ClickHouse.git
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94 lines
3.3 KiB
SQL
94 lines
3.3 KiB
SQL
DROP TABLE IF EXISTS one;
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CREATE TABLE one(dummy UInt8) ENGINE = Memory;
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SELECT database, t.name
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FROM system.tables AS t
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ALL INNER JOIN (SELECT name AS database FROM system.databases) AS db USING database
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WHERE database = 'system' AND t.name = 'one'
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FORMAT PrettyCompactNoEscapes;
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SELECT database, t.name
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FROM (SELECT name AS database FROM system.databases) AS db
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ALL INNER JOIN system.tables AS t USING database
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WHERE database = 'system' AND t.name = 'one'
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FORMAT PrettyCompactNoEscapes;
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SELECT database, t.name
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FROM (SELECT name, database FROM system.tables) AS t
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ALL INNER JOIN (SELECT name AS database FROM system.databases) AS db USING database
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WHERE database = 'system' AND t.name = 'one'
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FORMAT PrettyCompactNoEscapes;
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SELECT x, t.name
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FROM (SELECT name, database AS x FROM system.tables) AS t
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ALL INNER JOIN (SELECT name AS x FROM system.databases) AS db USING x
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WHERE x = 'system' AND t.name = 'one'
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FORMAT PrettyCompactNoEscapes;
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SELECT database, t.name
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FROM (SELECT name, database FROM system.tables) AS t
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JOIN (SELECT name AS database FROM system.databases) AS db USING database
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WHERE database = 'system' AND t.name = 'one'
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SETTINGS join_default_strictness = 'ALL'
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FORMAT PrettyCompactNoEscapes;
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SELECT x, t.name
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FROM (SELECT name, database AS x FROM system.tables) AS t
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JOIN (SELECT name AS x FROM system.databases) AS db USING x
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WHERE x = 'system' AND t.name = 'one'
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SETTINGS join_default_strictness = 'ALL'
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FORMAT PrettyCompactNoEscapes;
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SET join_default_strictness = 'ALL';
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SELECT database, t.name
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FROM (SELECT * FROM system.tables) AS t
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JOIN (SELECT name, name AS database FROM system.databases) AS db USING database
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WHERE db.name = 'system' AND t.name = 'one'
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FORMAT PrettyCompactNoEscapes;
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SELECT db.x, t.name
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FROM (SELECT name, database AS x FROM system.tables) AS t
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JOIN (SELECT name AS x FROM system.databases) AS db USING x
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WHERE x = 'system' AND t.name = 'one'
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FORMAT PrettyCompactNoEscapes;
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SELECT db.name, t.name
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FROM (SELECT name, database FROM system.tables WHERE name = 'one') AS t
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JOIN (SELECT name FROM system.databases WHERE name = 'system') AS db ON t.database = db.name
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FORMAT PrettyCompactNoEscapes;
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SELECT db.name, t.name
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FROM system.tables AS t
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JOIN (SELECT * FROM system.databases WHERE name = 'system') AS db ON t.database = db.name
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WHERE t.name = 'one'
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FORMAT PrettyCompactNoEscapes;
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SELECT t.database, t.name
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FROM system.tables AS t
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JOIN (SELECT name, name AS database FROM system.databases) AS db ON t.database = db.name
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WHERE t.database = 'system' AND t.name = 'one'
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FORMAT PrettyCompactNoEscapes;
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SELECT t.database, t.name
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FROM system.tables t
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ANY LEFT JOIN (SELECT 'system' AS base, 'one' AS name) db USING name
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WHERE t.database = db.base
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FORMAT PrettyCompactNoEscapes;
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SELECT count(t.database)
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FROM (SELECT * FROM system.tables WHERE name = 'one') AS t
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JOIN system.databases AS db ON t.database = db.name;
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SELECT count(db.name)
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FROM system.tables AS t
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JOIN system.databases AS db ON t.database = db.name
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WHERE t.name = 'one';
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SELECT count()
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FROM system.tables AS t
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JOIN system.databases AS db ON db.name = t.database
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WHERE t.name = 'one';
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DROP TABLE one;
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