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Merge gleb.loc:/home/uchum/work/bk/5.1
into gleb.loc:/home/uchum/work/bk/5.1-opt mysql-test/r/sp.result: Auto merged mysql-test/t/sp.test: Auto merged sql/sql_lex.h: Auto merged sql/sql_select.cc: Auto merged sql/sql_view.cc: Auto merged
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@ -969,6 +969,33 @@ ROLLBACK;
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ROLLBACK;
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DROP TABLE t1;
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#
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# Bug#30596: GROUP BY optimization gives wrong result order
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#
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CREATE TABLE t1(
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a INT,
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b INT NOT NULL,
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c INT NOT NULL,
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d INT,
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UNIQUE KEY (c,b)
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) engine=innodb;
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INSERT INTO t1 VALUES (1,1,1,50), (1,2,3,40), (2,1,3,4);
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EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d;
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SELECT c,b,d FROM t1 GROUP BY c,b,d;
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EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
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SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
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EXPLAIN SELECT c,b,d FROM t1 ORDER BY c,b,d;
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SELECT c,b,d FROM t1 ORDER BY c,b,d;
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EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b;
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SELECT c,b,d FROM t1 GROUP BY c,b;
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EXPLAIN SELECT c,b FROM t1 GROUP BY c,b;
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SELECT c,b FROM t1 GROUP BY c,b;
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DROP TABLE t1;
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--echo End of 5.0 tests
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# Fix for BUG#19243 "wrong LAST_INSERT_ID() after ON DUPLICATE KEY
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