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Merge rurik.mysql.com:/home/igor/dev/mysql-4.1-0

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into  rurik.mysql.com:/home/igor/dev/mysql-5.0-0


mysql-test/t/having.test:
  Auto merged
mysql-test/r/having.result:
  Manual merge
sql/sql_lex.cc:
  Manual merge
sql/sql_lex.h:
  Manual merge
sql/sql_prepare.cc:
  Manual merge
sql/sql_select.cc:
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2006-02-02 21:23:36 -08:00
parent 6a2a94b50b 6757503847
commit 8300149963
6 changed files with 183 additions and 20 deletions
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mysql-test/t/having.test
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@ -135,6 +135,22 @@ SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a);
DROP TABLE t1;
#
# Bug #14927: HAVING clause containing constant false conjunct
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1), (2), (1), (3), (2), (1);
SELECT a FROM t1 GROUP BY a HAVING a > 1;
SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;
EXPLAIN SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
EXPLAIN SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;
DROP table t1;
# End of 4.1 tests
#