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  • Committer: Monty Taylor
  • Date: 2010-09-28 07:45:44 UTC
  • mto: (1799.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 1800.
  • Revision ID: mordred@inaugust.com-20100928074544-s3ujnv6s8wro74l2
Added BSD copying file.

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tests/r/group_min_max.result
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BB
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EXPLAIN SELECT a FROM t1 WHERE a='AA' GROUP BY a;
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id      select_type     table   type    possible_keys   key     key_len ref     rows    Extra
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1       SIMPLE  t1      ref     PRIMARY PRIMARY 22      const   4       Using where; Using index
 
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1       SIMPLE  t1      ref     PRIMARY PRIMARY 22      const   2       Using where; Using index
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EXPLAIN SELECT a FROM t1 WHERE a='BB' GROUP BY a;
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id      select_type     table   type    possible_keys   key     key_len ref     rows    Extra
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1       SIMPLE  t1      ref     PRIMARY PRIMARY 22      const   1       Using where; Using index
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6       4
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SHOW STATUS LIKE 'handler_read__e%';
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Variable_name   Value
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Handler_read_key        23
 
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Handler_read_key        22
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Handler_read_next       0
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EXPLAIN (SELECT max(b), a FROM t1 GROUP BY a) UNION 
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(SELECT max(b), a FROM t1 GROUP BY a);
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INSERT INTO t3 SELECT a,MAX(b) FROM t1 GROUP BY a;
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SHOW STATUS LIKE 'handler_read__e%';
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Variable_name   Value
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Handler_read_key        12
 
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Handler_read_key        11
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Handler_read_next       0
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DELETE FROM t3;
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FLUSH STATUS;