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Remove FORCE_INIT_OF_VARS when compiling for valgrind/purify to spot wrong LINT_INIT() options

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Fixed bug in ALTER TABLE ... MODIFY integer-column
Added ref_or_null optimization (needed for subqueries)
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monty@mashka.mysql.fi
2003-06-30 13:23:54 +03:00
parent 01c2c0c326
commit dbebed97e4
10 changed files with 500 additions and 270 deletions
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mysql-test/r/subselect.result
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@@ -827,7 +827,7 @@ a t1.a in (select t2.a from t2)
explain SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 Using index
2 DEPENDENT SUBQUERY t2 index a a 5 NULL 3 Using where; Using index
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 const 2 Using where; Using index
drop table t1,t2;
create table t1 (a float);
select 10.5 IN (SELECT * from t1 LIMIT 1);