mirror of
https://github.com/ClickHouse/ClickHouse.git
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122 lines
5.3 KiB
SQL
122 lines
5.3 KiB
SQL
DROP TABLE IF EXISTS t1;
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DROP DICTIONARY IF EXISTS dict_flat;
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DROP DICTIONARY IF EXISTS dict_hashed;
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DROP DICTIONARY IF EXISTS dict_complex_cache;
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CREATE TABLE t1 (key UInt64, a UInt8, b String, c Float64) ENGINE = MergeTree() ORDER BY key;
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INSERT INTO t1 SELECT number, number, toString(number), number from numbers(4);
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CREATE DICTIONARY dict_flat (key UInt64 DEFAULT 0, a UInt8 DEFAULT 42, b String DEFAULT 'x', c Float64 DEFAULT 42.0)
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PRIMARY KEY key
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SOURCE(CLICKHOUSE(TABLE 't1'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(FLAT());
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CREATE DICTIONARY dict_hashed (key UInt64 DEFAULT 0, a UInt8 DEFAULT 42, b String DEFAULT 'x', c Float64 DEFAULT 42.0)
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PRIMARY KEY key
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SOURCE(CLICKHOUSE(TABLE 't1'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(HASHED());
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CREATE DICTIONARY dict_complex_cache (key UInt64 DEFAULT 0, a UInt8 DEFAULT 42, b String DEFAULT 'x', c Float64 DEFAULT 42.0)
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PRIMARY KEY key, b
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SOURCE(CLICKHOUSE(TABLE 't1'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(COMPLEX_KEY_CACHE(SIZE_IN_CELLS 1));
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SET join_use_nulls = 0;
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SET join_algorithm = 'direct';
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SELECT 'flat: left on';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 LEFT JOIN dict_flat d ON s1.key = d.key ORDER BY s1.key;
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SELECT 'flat: left';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 LEFT JOIN dict_flat d USING(key) ORDER BY key;
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SELECT 'flat: any left';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 ANY LEFT JOIN dict_flat d USING(key) ORDER BY key;
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SELECT 'flat: semi left';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 SEMI JOIN dict_flat d USING(key) ORDER BY key;
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SELECT 'flat: anti left';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 ANTI JOIN dict_flat d USING(key) ORDER BY key;
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SELECT 'flat: inner';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 JOIN dict_flat d USING(key);
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SELECT 'flat: inner on';
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SELECT * FROM (SELECT number AS k FROM numbers(100)) s1 JOIN dict_flat d ON k = key ORDER BY k;
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SET join_use_nulls = 1;
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SELECT 'hashed: left on';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 LEFT JOIN dict_hashed d ON s1.key = d.key ORDER BY s1.key;
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SELECT 'hashed: left';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 LEFT JOIN dict_hashed d USING(key) ORDER BY key;
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SELECT 'hashed: any left';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 ANY LEFT JOIN dict_hashed d USING(key) ORDER BY key;
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SELECT 'hashed: semi left';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 SEMI JOIN dict_hashed d USING(key) ORDER BY key;
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SELECT 'hashed: anti left';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 ANTI JOIN dict_hashed d USING(key) ORDER BY key;
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SELECT 'hashed: inner';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 JOIN dict_hashed d USING(key);
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SELECT 'hashed: inner on';
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SELECT * FROM (SELECT number AS k FROM numbers(100)) s1 JOIN dict_hashed d ON k = key ORDER BY k;
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SET join_use_nulls = 0;
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-- unsupported cases for dictionary join, falls back to regular join
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SET join_algorithm = 'default';
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SELECT 'flat: inner or';
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SELECT * FROM (SELECT if(number % 2 = 0, number, number * 1000) AS k FROM numbers(100)) s1 JOIN dict_flat d ON k = key OR k == 1000 * key ORDER BY key;
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SELECT 'flat: any left + any_join_distinct_right_table_keys';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 ANY LEFT JOIN dict_flat d USING(key) ORDER BY key SETTINGS any_join_distinct_right_table_keys = '1';
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SET join_use_nulls = 1;
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SELECT 'complex_cache (smoke)';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 LEFT JOIN dict_complex_cache d ON s1.key = d.key ORDER BY s1.key;
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SELECT 'not optimized (smoke)';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 RIGHT JOIN dict_flat d USING(key) ORDER BY key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 RIGHT JOIN dict_flat d ON s1.key = d.key ORDER BY d.key;
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SELECT '-';
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SELECT * FROM (SELECT number + 2 AS key FROM numbers(4)) s1 FULL JOIN dict_flat d USING(key) ORDER BY s1.key, d.key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 ANY INNER JOIN dict_flat d USING(key) ORDER BY s1.key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 ANY RIGHT JOIN dict_flat d USING(key) ORDER BY s1.key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 SEMI RIGHT JOIN dict_flat d USING(key) ORDER BY s1.key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 ANTI RIGHT JOIN dict_flat d USING(key) ORDER BY s1.key;
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SET join_use_nulls = 0;
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SELECT 'issue 23002';
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SET join_algorithm = 'auto';
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 LEFT JOIN dict_flat d ON s1.key = d.key ORDER BY s1.key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 ANY LEFT JOIN dict_flat d USING(key) ORDER BY key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 RIGHT JOIN dict_flat d ON s1.key = d.key ORDER BY d.key;
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SET join_algorithm = 'partial_merge';
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 LEFT JOIN dict_flat d ON s1.key = d.key ORDER BY s1.key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(5)) s1 ANY LEFT JOIN dict_flat d USING(key) ORDER BY key;
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SELECT '-';
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SELECT * FROM (SELECT number AS key FROM numbers(2)) s1 RIGHT JOIN dict_flat d ON s1.key = d.key ORDER BY d.key;
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DROP DICTIONARY dict_flat;
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DROP DICTIONARY dict_hashed;
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DROP DICTIONARY dict_complex_cache;
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DROP TABLE t1;
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