63 lines
1.3 KiB
Plaintext
63 lines
1.3 KiB
Plaintext
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drop table if exists t1;
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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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count(*)
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0
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insert into t1 values(1,2,"test");
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select count(*) from t1;
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count(*)
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1
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delete from t1;
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select * from t1;
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a b c1
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drop table t1;
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select count(*) from t1;
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ERROR 42S02: Table 'test.t1' doesn't exist
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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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n
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drop table t1;
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truncate non_existing_table;
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ERROR 42S02: Table 'test.non_existing_table' doesn't exist
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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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a
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1
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2
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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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a
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3
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4
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drop table t1;
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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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a
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1
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2
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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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a
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3
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4
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drop table t1;
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create table t1 (s1 int);
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insert into t1 (s1) values (1), (2), (3), (4), (5);
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create view v1 as select * from t1;
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truncate table v1;
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ERROR 42S02: Table 'test.v1' doesn't exist
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drop view v1;
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drop table t1;
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