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A feature of doing automatick result buffering when INSERT is

done from the select containing a table to be inserted to.
This commit is contained in:
Sinisa@sinisa.nasamreza.org
2003-01-28 18:55:52 +02:00
parent d54d67b5d8
commit 44390c8cb6
5 changed files with 47 additions and 4 deletions

View File

@ -65,3 +65,34 @@ use test_$1;
create table t1 (c int);
insert into test_$1.t1 set test_$1.t1.c = '1';
drop database test_$1;
use test;
--disable_warnings
drop table if exists t1,t2,t3;
--enable_warnings
create table t1(id1 int not null auto_increment primary key, t char(12));
create table t2(id2 int not null, t char(12));
create table t3(id3 int not null, t char(12), index(id3));
disable_query_log;
let $1 = 100;
while ($1)
{
let $2 = 5;
eval insert into t1(t) values ('$1');
while ($2)
{
eval insert into t2(id2,t) values ($1,'$2');
let $3 = 10;
while ($3)
{
eval insert into t3(id3,t) values ($1,'$2');
dec $3;
}
dec $2;
}
dec $1;
}
enable_query_log;
select count(*) from t2;
insert into t2 select t1.* from t1, t2 t, t3 where t1.id1 = t.id2 and t.id2 = t3.id3;
select count(*) from t2;
drop table if exists t1,t2,t3;