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Merge with 4.0 (Fix bug in LEFT JOIN and EXPLAIN on empty table)

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monty@mashka.mysql.fi
2003-01-20 18:48:10 +02:00
parent d14db3961d fab7f39e42
commit 6522ee6c98
5 changed files with 87 additions and 45 deletions
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7
mysql-test/t/explain.test
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@@ -5,6 +5,7 @@
drop table if exists t1;
--enable_warnings
create table t1 (id int not null, str char(10), unique(str));
explain select * from t1;
insert into t1 values (1, null),(2, null),(3, "foo"),(4, "bar");
select * from t1 where str is null;
select * from t1 where str="foo";
@@ -14,8 +15,10 @@ explain select * from t1 ignore key (str) where str="foo";
explain select * from t1 use key (str,str) where str="foo";
#The following should give errors
!$1072 explain select * from t1 use key (str,str,foo) where str="foo";
!$1072 explain select * from t1 ignore key (str,str,foo) where str="foo";
--error 1072
explain select * from t1 use key (str,str,foo) where str="foo";
--error 1072
explain select * from t1 ignore key (str,str,foo) where str="foo";
drop table t1;
explain select 1;