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53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
#
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# Test of truncate
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1 (a integer, b integer,c1 CHAR(10));
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insert into t1 (a) values (1),(2);
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truncate table t1;
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select count(*) from t1;
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insert into t1 values(1,2,"test");
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select count(*) from t1;
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delete from t1;
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select * from t1;
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drop table t1;
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# The following should fail
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--error 1146
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select count(*) from t1;
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create temporary table t1 (n int);
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insert into t1 values (1),(2),(3);
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truncate table t1;
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select * from t1;
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drop table t1;
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--error 1146
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truncate non_existing_table;
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#
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# test autoincrement with TRUNCATE; verifying difference with DELETE
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#
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create table t1 (a integer auto_increment primary key);
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insert into t1 (a) values (NULL),(NULL);
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truncate table t1;
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insert into t1 (a) values (NULL),(NULL);
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SELECT * from t1;
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delete from t1;
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insert into t1 (a) values (NULL),(NULL);
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SELECT * from t1;
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drop table t1;
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# Verifying that temp tables are handled the same way
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create temporary table t1 (a integer auto_increment primary key);
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insert into t1 (a) values (NULL),(NULL);
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truncate table t1;
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insert into t1 (a) values (NULL),(NULL);
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SELECT * from t1;
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delete from t1;
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insert into t1 (a) values (NULL),(NULL);
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SELECT * from t1;
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drop table t1;
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