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#
# Test of truncate
#
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (a integer, b integer,c1 CHAR(10));
insert into t1 (a) values (1),(2);
truncate table t1;
select count(*) from t1;
insert into t1 values(1,2,"test");
select count(*) from t1;
delete from t1;
select * from t1;
drop table t1;
# The following should fail
--error ER_TABLE_UNKNOWN
select count(*) from t1;
create temporary table t1 (n int);
insert into t1 values (1),(2),(3);
truncate table t1;
select * from t1;
drop table t1;
--error ER_TABLE_UNKNOWN
truncate non_existing_table;
#
# test autoincrement with TRUNCATE; verifying difference with DELETE
#
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;
delete from t1;
insert into t1 (a) values (NULL),(NULL);
SELECT * from t1;
drop table t1;
# Verifying that temp tables are handled the same way
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;
delete from t1;
insert into t1 (a) values (NULL),(NULL);
SELECT * from t1;
drop table t1;
# End of 4.1 tests
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