Fixed bug in multi-table-delete code

client/mysqltest.c:
  Added --big-test argument
libmysqld/lib_sql.cc:
  Reset error messages before new query.
libmysqld/lib_vio.c:
  Fixed reading of results.
mysql-test/mysql-test-run.sh:
  Added option --big
mysql-test/r/multi_update.result:
  More multi-delete tests
mysql-test/t/bdb-crash.test:
  Added missing test if BDB is supported
mysql-test/t/multi_update.test:
  More multi-delete tests
This commit is contained in:
unknown 2001-06-24 22:11:00 +03:00
commit a96e1b6954
8 changed files with 97 additions and 41 deletions

View file

@ -1,3 +1,10 @@
#
# Only run the test if we are using --big-test, because this test takes a
# long time
#
-- require r/big_test.require
eval select $BIG_TEST as using_big_test;
drop table if exists t1,t2,t3;
create table t1(id1 int not null auto_increment primary key, t char(12));
create table t2(id2 int not null, t char(12), index(id2));
@ -25,11 +32,20 @@ delete t1.*, t2.*, t3.* from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3
check table t1, t2, t3;
select * from t1 where id1 > 9500;
select * from t2 where id2 > 9500;
select * from t3 where id3 > 9500;
select count(*) from t1 where id1 > 9500;
select count(*) from t2 where id2 > 9500;
select count(*) from t3 where id3 > 9500;
delete t1, t2, t3 from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 500;
select * from t1 where id1 > 500;
select * from t2 where id2 > 500;
select * from t3 where id3 > 500;
select count(*) from t1 where id1 > 500;
select count(*) from t2 where id2 > 500;
select count(*) from t3 where id3 > 500;
delete t1, t2, t3 from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 0;
# These queries will force a scan of the table
select count(*) from t1 where id1;
select count(*) from t2 where id2;
select count(*) from t3 where id3;
drop table t1,t2,t3;