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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 5.3.11
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Fix Version/s: 5.3.12
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Component/s: Optimizer
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Labels:None
The following EXPLAIN command from the test case for LP bug #934348
EXPLAIN
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SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
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GROUP BY a HAVING a != 'z';
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returns
id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t index idx_a idx_a 4 NULL 1 Using index
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...
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It should return
id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t index idx_a idx_a 4 NULL 3 Using index
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as the number of rows in the table t1 is equal to 3.