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select.result, select.test:

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Added a test case for bug #7098.
sql_select.cc:
  Fixed bug #7098.
  When a string field was substituted for an equal constant
  the collation of the constant was changed by mistake for 
  the binary collation.
This commit is contained in:
igor@rurik.mysql.com
2005-02-16 21:17:20 -08:00
parent 3261bf189a
commit eedde7ba3e
3 changed files with 45 additions and 0 deletions
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22
mysql-test/r/select.result
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@@ -2400,3 +2400,25 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
1 SIMPLE t2 ref a a 23 test.t1.a 2
DROP TABLE t1, t2;
CREATE TABLE t1 ( city char(30) );
INSERT INTO t1 VALUES ('London');
INSERT INTO t1 VALUES ('Paris');
SELECT * FROM t1 WHERE city='London';
city
London
SELECT * FROM t1 WHERE city='london';
city
London
EXPLAIN SELECT * FROM t1 WHERE city='London' AND city='london';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 WHERE city='London' AND city='london';
city
London
EXPLAIN SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
city
London
DROP TABLE t1;