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Long Index is only allowed for unique keys not normal index.

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This commit is contained in:
sachin
2019-02-25 00:46:48 +05:30
committed by Sergei Golubchik
parent 8084eeaa66
commit 0477e80522
3 changed files with 92 additions and 3 deletions
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30
mysql-test/main/long_unique.test
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@ -512,4 +512,34 @@ while ($count)
--eval $insert_data_2
drop table t1;
#
# non-unique long indexes are automatically shortened
#
create table t1(a blob , key(a));
show create table t1;
drop table t1;
create table t1(a blob);
alter table t1 add index(a);
show create table t1;
drop table t1;
create table t1(a text, key(a));
show create table t1;
drop table t1;
create table t1(a varchar(4000));
alter table t1 add index(a);
show create table t1;
drop table t1;
#
# somewhat inconsistently, the following is an error
#
create table t1 (pk int, a int, b int, primary key(pk), key(pk,a));
--error ER_TOO_LONG_KEY
alter table t1 modify a text;
--error ER_TOO_LONG_KEY
alter table t1 modify a varchar(1000);
show create table t1;
drop table t1;
set @@GLOBAL.max_allowed_packet= @allowed_packet;