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Kirill Smelkov
mariadb
Commits
0e3ccedd
Commit
0e3ccedd
authored
Oct 13, 2006
by
ramil/ram@mysql.com/myoffice.izhnet.ru
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Merge rkalimullin@bk-internal.mysql.com:/home/bk/mysql-4.1-maint
into mysql.com:/usr/home/ram/work/bug23254/my41-bug23254
parents
c31a028b
31402835
Changes
3
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3 changed files
with
24 additions
and
1 deletion
+24
-1
mysql-test/r/func_compress.result
mysql-test/r/func_compress.result
+10
-0
mysql-test/t/func_compress.test
mysql-test/t/func_compress.test
+13
-1
sql/item_strfunc.cc
sql/item_strfunc.cc
+1
-0
No files found.
mysql-test/r/func_compress.result
View file @
0e3ccedd
...
...
@@ -79,3 +79,13 @@ uncompress(a) uncompressed_length(a)
NULL NULL
a 1
drop table t1;
create table t1(a blob);
insert into t1 values ('0'), (NULL), ('0');
select compress(a), compress(a) from t1;
select compress(a) is null from t1;
compress(a) is null
0
1
0
drop table t1;
End of 4.1 tests
mysql-test/t/func_compress.test
View file @
0e3ccedd
...
...
@@ -54,4 +54,16 @@ insert into t1 values(NULL), (compress('a'));
select
uncompress
(
a
),
uncompressed_length
(
a
)
from
t1
;
drop
table
t1
;
# End of 4.1 tests
#
# Bug #23254: problem with compress(NULL)
#
create
table
t1
(
a
blob
);
insert
into
t1
values
(
'0'
),
(
NULL
),
(
'0'
);
--
disable_result_log
select
compress
(
a
),
compress
(
a
)
from
t1
;
--
enable_result_log
select
compress
(
a
)
is
null
from
t1
;
drop
table
t1
;
--
echo
End
of
4.1
tests
sql/item_strfunc.cc
View file @
0e3ccedd
...
...
@@ -2838,6 +2838,7 @@ String *Item_func_compress::val_str(String *str)
null_value
=
1
;
return
0
;
}
null_value
=
0
;
if
(
res
->
is_empty
())
return
res
;
/*
...
...
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