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Merged (will need a post-merge fix)

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sql/item.h:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
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2004-12-13 20:10:07 +03:00
parent c9a0e4ad5d 6d7fe8520a
commit 75a43405d4
8 changed files with 50 additions and 7 deletions
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12
mysql-test/r/group_by.result
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@ -638,3 +638,15 @@ alias
1,2
1
drop table t1;
create table t1 (a int);
insert into t1 values(null);
select min(a) is null from t1;
min(a) is null
1
select min(a) is null or null from t1;
min(a) is null or null
1
select 1 and min(a) is null from t1;
1 and min(a) is null
1
drop table t1;

9
mysql-test/t/group_by.test
View File

@ -465,3 +465,12 @@ select group_concat( distinct col1 ) as alias from t1
drop table t1;
#Test for BUG#6976: Aggregate functions have incorrect NULL-ness
create table t1 (a int);
insert into t1 values(null);
select min(a) is null from t1;
select min(a) is null or null from t1;
select 1 and min(a) is null from t1;
drop table t1;