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select.result, select.test:

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Added test cases for bug #6474.
sql_select.cc:
  Fixed bug #6474. A wrong result was returned when a query
  contained the same equality of the form field=const on
  different AND levels.


sql/sql_select.cc:
  Fixed bug #6474. A wrong result was returned when a query
  contained the same equality of the form field=const on
  different AND levels.
mysql-test/t/select.test:
  Added test cases for bug #6474.
mysql-test/r/select.result:
  Added test cases for bug #6474.
This commit is contained in:
unknown
2004-11-10 11:22:39 -08:00
parent 96bd70c775
commit 2ef4c97e9d
3 changed files with 76 additions and 5 deletions
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33
mysql-test/r/select.result
View File

@ -2333,3 +2333,36 @@ EXPLAIN SELECT i FROM t1 WHERE i=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index
DROP TABLE t1;
CREATE TABLE t1 (
K2C4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '',
K4N4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '0000',
F2I4 int(11) NOT NULL default '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES
('W%RT', '0100', 1),
('W-RT', '0100', 1),
('WART', '0100', 1),
('WART', '0200', 1),
('WERT', '0100', 2),
('WORT','0200', 2),
('WT', '0100', 2),
('W_RT', '0100', 2),
('WaRT', '0100', 3),
('WART', '0300', 3),
('WRT' , '0400', 3),
('WURM', '0500', 3),
('W%T', '0600', 4),
('WA%T', '0700', 4),
('WA_T', '0800', 4);
SELECT K2C4, K4N4, F2I4 FROM t1
WHERE K2C4 = 'WART' AND
(F2I4 = 2 AND K2C4 = 'WART' OR (F2I4 = 2 OR K4N4 = '0200'));
K2C4 K4N4 F2I4
WART 0200 1
SELECT K2C4, K4N4, F2I4 FROM t1
WHERE K2C4 = 'WART' AND (K2C4 = 'WART' OR K4N4 = '0200');
K2C4 K4N4 F2I4
WART 0100 1
WART 0200 1
WART 0300 3
DROP TABLE t1;

36
mysql-test/t/select.test
View File

@ -1910,3 +1910,39 @@ EXPLAIN SELECT i FROM t1 WHERE i=1;
EXPLAIN SELECT i FROM t1 WHERE i=1;
DROP TABLE t1;
#
# Test for bug #6474
#
CREATE TABLE t1 (
K2C4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '',
K4N4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '0000',
F2I4 int(11) NOT NULL default '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES
('W%RT', '0100', 1),
('W-RT', '0100', 1),
('WART', '0100', 1),
('WART', '0200', 1),
('WERT', '0100', 2),
('WORT','0200', 2),
('WT', '0100', 2),
('W_RT', '0100', 2),
('WaRT', '0100', 3),
('WART', '0300', 3),
('WRT' , '0400', 3),
('WURM', '0500', 3),
('W%T', '0600', 4),
('WA%T', '0700', 4),
('WA_T', '0800', 4);
SELECT K2C4, K4N4, F2I4 FROM t1
WHERE K2C4 = 'WART' AND
(F2I4 = 2 AND K2C4 = 'WART' OR (F2I4 = 2 OR K4N4 = '0200'));
SELECT K2C4, K4N4, F2I4 FROM t1
WHERE K2C4 = 'WART' AND (K2C4 = 'WART' OR K4N4 = '0200');
DROP TABLE t1;