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MDEV-438 Microseconds: Precision is ignored in CURRENT_TIMESTAMP(N) when it is given as a default column value

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For MySQL 5.6 compatibility, support precision specification in CURRENT_TIMESTAMP in
a default clause, when it's not less than the column's precision.
This commit is contained in:
Sergei Golubchik
2012-12-17 20:47:23 +01:00
parent cb7f5948ec
commit 1d2b11b291
4 changed files with 51 additions and 5 deletions
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20
mysql-test/r/type_timestamp_hires.result
View File

@ -278,3 +278,23 @@ select * from t1;
a
2011-01-01 01:01:01.12345
drop table t1;
create table t1 (a timestamp(5) default current_timestamp);
drop table t1;
create table t1 (a timestamp(5) default current_timestamp());
drop table t1;
create table t1 (a timestamp(5) default current_timestamp(2));
ERROR 42000: Invalid default value for 'a'
create table t1 (a timestamp(5) default current_timestamp(5));
drop table t1;
create table t1 (a timestamp(5) default current_timestamp(6));
drop table t1;
create table t1 (a timestamp(5) on update current_timestamp);
drop table t1;
create table t1 (a timestamp(5) on update current_timestamp());
drop table t1;
create table t1 (a timestamp(5) on update current_timestamp(3));
ERROR HY000: Invalid ON UPDATE clause for 'a' column
create table t1 (a timestamp(5) on update current_timestamp(5));
drop table t1;
create table t1 (a timestamp(5) on update current_timestamp(6));
drop table t1;

15
mysql-test/t/type_timestamp_hires.test
View File

@ -14,3 +14,18 @@ insert t1 values ();
select * from t1;
drop table t1;
#
# MDEV-438 Microseconds: Precision is ignored in CURRENT_TIMESTAMP(N) when it is given as a default column value
#
create table t1 (a timestamp(5) default current_timestamp); drop table t1;
create table t1 (a timestamp(5) default current_timestamp()); drop table t1;
--error ER_INVALID_DEFAULT
create table t1 (a timestamp(5) default current_timestamp(2));
create table t1 (a timestamp(5) default current_timestamp(5)); drop table t1;
create table t1 (a timestamp(5) default current_timestamp(6)); drop table t1;
create table t1 (a timestamp(5) on update current_timestamp); drop table t1;
create table t1 (a timestamp(5) on update current_timestamp()); drop table t1;
--error ER_INVALID_ON_UPDATE
create table t1 (a timestamp(5) on update current_timestamp(3));
create table t1 (a timestamp(5) on update current_timestamp(5)); drop table t1;
create table t1 (a timestamp(5) on update current_timestamp(6)); drop table t1;