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don't increment LAST_INSERT_ID() when incremented value cannot be stored in auto_increment column (e.g. is too big)

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serg@sergbook.mysql.com
2003-03-31 23:14:26 +04:00
parent e9492a1d83
commit 91d6ec3438
3 changed files with 70 additions and 2 deletions
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30
mysql-test/t/auto_increment.test
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@@ -72,3 +72,33 @@ select * from t1;
check table t1;
drop table t1;
#
# last_insert_id() madness
#
create table t1 (i tinyint unsigned not null auto_increment primary key);
insert into t1 set i = 254;
insert into t1 set i = null;
select last_insert_id();
--error 1062
insert into t1 set i = null;
select last_insert_id();
drop table t1;
create table t1 (i tinyint unsigned not null auto_increment, key (i));
insert into t1 set i = 254;
insert into t1 set i = null;
select last_insert_id();
insert into t1 set i = null;
select last_insert_id();
drop table t1;
create table t1 (i tinyint unsigned not null auto_increment primary key, b int, unique (b));
insert into t1 values (NULL, 10);
select last_insert_id();
insert into t1 values (NULL, 15);
select last_insert_id();
--error 1062
insert into t1 values (NULL, 10);
select last_insert_id();
drop table t1;