2002-08-30 18:39:42 +03:00
|
|
|
drop table if exists t1;
|
2001-09-27 23:05:54 -06:00
|
|
|
create table t1 (a integer, b integer,c1 CHAR(10));
|
|
|
|
insert into t1 (a) values (1),(2);
|
|
|
|
truncate table t1;
|
|
|
|
select count(*) from t1;
|
2000-12-28 03:56:38 +02:00
|
|
|
count(*)
|
|
|
|
0
|
2001-09-27 23:05:54 -06:00
|
|
|
insert into t1 values(1,2,"test");
|
|
|
|
select count(*) from t1;
|
2000-12-28 03:56:38 +02:00
|
|
|
count(*)
|
|
|
|
1
|
2001-09-27 23:05:54 -06:00
|
|
|
delete from t1;
|
|
|
|
select * from t1;
|
2001-09-03 05:16:15 +03:00
|
|
|
a b c1
|
2001-09-27 23:05:54 -06:00
|
|
|
drop table t1;
|
|
|
|
select count(*) from t1;
|
2003-06-04 18:28:51 +03:00
|
|
|
ERROR 42S02: Table 'test.t1' doesn't exist
|
2002-04-08 18:20:24 -06:00
|
|
|
create temporary table t1 (n int);
|
|
|
|
insert into t1 values (1),(2),(3);
|
|
|
|
truncate table t1;
|
|
|
|
select * from t1;
|
|
|
|
n
|
|
|
|
drop table t1;
|
2002-08-05 11:45:39 +03:00
|
|
|
truncate non_existing_table;
|
2003-06-04 18:28:51 +03:00
|
|
|
ERROR 42S02: Table 'test.non_existing_table' doesn't exist
|
2003-12-12 22:26:58 +02:00
|
|
|
create table t1 (a integer auto_increment primary key);
|
|
|
|
insert into t1 (a) values (NULL),(NULL);
|
|
|
|
truncate table t1;
|
|
|
|
insert into t1 (a) values (NULL),(NULL);
|
|
|
|
SELECT * from t1;
|
|
|
|
a
|
|
|
|
1
|
|
|
|
2
|
2004-08-23 16:15:57 +02:00
|
|
|
delete from t1;
|
|
|
|
insert into t1 (a) values (NULL),(NULL);
|
|
|
|
SELECT * from t1;
|
|
|
|
a
|
|
|
|
3
|
|
|
|
4
|
|
|
|
drop table t1;
|
|
|
|
create temporary table t1 (a integer auto_increment primary key);
|
|
|
|
insert into t1 (a) values (NULL),(NULL);
|
|
|
|
truncate table t1;
|
|
|
|
insert into t1 (a) values (NULL),(NULL);
|
|
|
|
SELECT * from t1;
|
|
|
|
a
|
|
|
|
1
|
|
|
|
2
|
|
|
|
delete from t1;
|
|
|
|
insert into t1 (a) values (NULL),(NULL);
|
|
|
|
SELECT * from t1;
|
|
|
|
a
|
|
|
|
3
|
|
|
|
4
|
2003-12-12 22:26:58 +02:00
|
|
|
drop table t1;
|