mariadb/mysql-test/t/select_found.test
monty@hundin.mysql.fi d36ac6b669 Fix some bugs introduced with the new my_getopt
Added counting of rollback's and commits
Fixed bug in 'SELECT 0 LIMIT 0'
Fixed bug in 'SELECT SQL_CALC_FOUND_ROWS'
2002-02-08 03:21:34 +02:00

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1.1 KiB
Text

#
# Testing of found_rows()
#
drop table if exists t1;
create table t1 (a int not null auto_increment, b int not null, primary key(a));
insert into t1 (b) values (2),(3),(5),(5),(5),(6),(7),(9);
select SQL_CALC_FOUND_ROWS * from t1;
select found_rows();
select SQL_CALC_FOUND_ROWS * from t1 limit 1;
select found_rows();
select SQL_CALC_FOUND_ROWS * from t1 order by b desc limit 1;
select found_rows();
select SQL_CALC_FOUND_ROWS distinct b from t1 limit 1;
select found_rows();
select SQL_CALC_FOUND_ROWS b,count(*) as c from t1 group by b order by c desc limit 1;
select found_rows();
select SQL_CALC_FOUND_ROWS * from t1 left join t1 as t2 on (t1.b=t2.a) limit 2,1;
select found_rows();
drop table t1;
#
# Test SQL_CALC_FOUND_ROWS optimization when used with one table and filesort
#
create table t1 (a int not null primary key);
insert into t1 values (1),(2),(3),(4),(5);
select sql_calc_found_rows a from t1 where a in (1,2,3) order by a desc limit 0,2;
select FOUND_ROWS();
select sql_calc_found_rows a from t1 where a in (1,2,3) order by a+2 desc limit 0,2;
select FOUND_ROWS();
drop table t1;