database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Fixed bug #29360.

Browse Source 
The special `zero' enum value was coerced to the normal
empty string enum value during a field-to-field copy.
This bug affected CREATE ... SELECT statements and
SELECT aggregate GROUP BY enum field statements.

Also this bug made unnecessary warnings during
the execution of CREATE ... SELECT statements:
Warning       1265    Data truncated for column...


sql/field_conv.cc:
  Fixed bug #29360.
  The field_conv function has been modified to properly convert
  the special `zero' enum value between enum fields.
mysql-test/t/type_enum.test:
  Updated test case for bug #29360.
mysql-test/r/type_enum.result:
  Updated test case for bug #29360.
mysql-test/r/type_ranges.result:
  Updated test case for bug #29360.
This commit is contained in:
unknown
2007-07-12 00:03:08 +05:00
parent 3295d449c4
commit 0920c75b5e
4 changed files with 49 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
mysql-test/r/type_enum.result
View File

@ -1809,3 +1809,23 @@ f1
f1
drop table t1;
CREATE TABLE t1 (c1 ENUM('a', '', 'b'));
INSERT INTO t1 (c1) VALUES ('b');
INSERT INTO t1 (c1) VALUES ('');
INSERT INTO t1 (c1) VALUES (0);
Warnings:
Warning 1265 Data truncated for column 'c1' at row 1
INSERT INTO t1 (c1) VALUES ('');
SELECT c1 + 0, COUNT(c1) FROM t1 GROUP BY c1;
c1 + 0 COUNT(c1)
0 1
2 2
3 1
CREATE TABLE t2 SELECT * FROM t1;
SELECT c1 + 0 FROM t2;
c1 + 0
3
2
0
2

4
mysql-test/r/type_ranges.result
View File

@ -208,10 +208,6 @@ options flags
one one
drop table t2;
create table t2 select * from t1;
Warnings:
Warning 1265 Data truncated for column 'options' at row 4
Warning 1265 Data truncated for column 'options' at row 5
Warning 1265 Data truncated for column 'options' at row 6
update t2 set string="changed" where auto=16;
show full columns from t1;
Field Type Collation Null Key Default Extra Privileges Comment

18
mysql-test/t/type_enum.test
View File

@ -182,3 +182,21 @@ create table t1(f1 set('a','b'), index(f1));
create table t1(f1 set('a','b'), index(f1));
insert into t1 values(''),(''),('a'),('b');
select * from t1 where f1='';
drop table t1;
#
# Bug#29360: Confluence of the special 0 enum value with the normal empty string
# value during field to field copy.
#
CREATE TABLE t1 (c1 ENUM('a', '', 'b'));
INSERT INTO t1 (c1) VALUES ('b');
INSERT INTO t1 (c1) VALUES ('');
INSERT INTO t1 (c1) VALUES (0);
INSERT INTO t1 (c1) VALUES ('');
SELECT c1 + 0, COUNT(c1) FROM t1 GROUP BY c1;
CREATE TABLE t2 SELECT * FROM t1;
SELECT c1 + 0 FROM t2;