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Fix reporting of type for unique key on VARCHAR field. (Bug #11227)

Browse Source 
mysql-test/r/key.result:
  Add new results
mysql-test/t/key.test:
  Add new regression test
sql/table.cc:
  Use keyinfo->key_parts to determine if key is part of a
  multiple-field key or is unique.
This commit is contained in:
unknown
2005-06-22 12:46:21 -07:00
parent bbc0211304
commit d93705b837
3 changed files with 44 additions and 4 deletions
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25
mysql-test/r/key.result
View File

@ -354,3 +354,28 @@ t1 CREATE TABLE `t1` (
KEY `a` (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int not null primary key, b varchar(20) not null unique);
desc t1;
Field Type Null Key Default Extra
a int(11) NO PRI
b varchar(20) NO UNI
drop table t1;
create table t1 (a int not null primary key, b int not null unique);
desc t1;
Field Type Null Key Default Extra
a int(11) NO PRI
b int(11) NO UNI
drop table t1;
create table t1 (a int not null primary key, b varchar(20) not null, unique (b(10)));
desc t1;
Field Type Null Key Default Extra
a int(11) NO PRI
b varchar(20) NO UNI
drop table t1;
create table t1 (a int not null primary key, b varchar(20) not null, c varchar(20) not null, unique(b(10),c(10)));
desc t1;
Field Type Null Key Default Extra
a int(11) NO PRI
b varchar(20) NO MUL
c varchar(20) NO
drop table t1;

16
mysql-test/t/key.test
View File

@ -337,3 +337,19 @@ show create table t1;
alter table t1 modify a varchar(20);
show create table t1;
drop table t1;
#
# Bug #11227: Incorrectly reporting 'MUL' vs. 'UNI' on varchar
#
create table t1 (a int not null primary key, b varchar(20) not null unique);
desc t1;
drop table t1;
create table t1 (a int not null primary key, b int not null unique);
desc t1;
drop table t1;
create table t1 (a int not null primary key, b varchar(20) not null, unique (b(10)));
desc t1;
drop table t1;
create table t1 (a int not null primary key, b varchar(20) not null, c varchar(20) not null, unique(b(10),c(10)));
desc t1;
drop table t1;