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add test
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05cfa49c06
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@ -0,0 +1,8 @@
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---- HASH
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1 10 alpha 1 5 ALPHA
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2 15 beta 2 10 beta
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3 20 gamma 0 0
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---- PARALLEL HASH
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1 10 alpha 1 5 ALPHA
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2 15 beta 2 10 beta
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3 20 gamma 0 0
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@ -0,0 +1,26 @@
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CREATE TABLE t1 (
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key UInt32,
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a UInt32,
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attr String
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) ENGINE = MergeTree ORDER BY key;
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CREATE TABLE t2 (
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key UInt32,
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a UInt32,
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attr String
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) ENGINE = MergeTree ORDER BY key;
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INSERT INTO t1 (key, a, attr) VALUES (1, 10, 'alpha'), (2, 15, 'beta'), (3, 20, 'gamma');
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INSERT INTO t2 (key, a, attr) VALUES (1, 5, 'ALPHA'), (2, 10, 'beta'), (4, 25, 'delta');
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SET allow_experimental_join_condition = 1;
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SET enable_analyzer = 1;
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SET max_threads = 16;
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SELECT '---- HASH';
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SELECT t1.*, t2.* FROM t1 LEFT JOIN t2 ON t1.key = t2.key AND (t1.key < t2.a OR t1.a % 2 = 0) ORDER BY ALL SETTINGS join_algorithm = 'hash';
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SELECT '---- PARALLEL HASH';
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SELECT t1.*, t2.* FROM t1 LEFT JOIN t2 ON t1.key = t2.key AND (t1.key < t2.a OR t1.a % 2 = 0) ORDER BY ALL SETTINGS join_algorithm = 'parallel_hash'; -- { serverError NOT_IMPLEMENTED}
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SELECT t1.*, t2.* FROM t1 LEFT JOIN t2 ON t1.key = t2.key AND (t1.key < t2.a OR t1.a % 2 = 0) ORDER BY ALL;
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