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Merge bk-internal.mysql.com:/home/bk/mysql-5.0-runtime

Browse Source 
into  mysql.com:/home/dlenev/src/mysql-5.0-bg13525


sql/sql_table.cc:
  Auto merged
sql/sql_trigger.cc:
  Auto merged
sql/sql_trigger.h:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
mysql-test/r/trigger.result:
  SCCS merged
mysql-test/t/trigger.test:
  SCCS merged
This commit is contained in:
unknown
2006-02-26 16:38:48 +03:00
parent 258ad72c83 f8386dfa48
commit 1c93eeaa16
7 changed files with 513 additions and 36 deletions
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87
mysql-test/t/trigger.test
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@@ -3,7 +3,7 @@
#
--disable_warnings
drop table if exists t1, t2, t3;
drop table if exists t1, t2, t3, t4;
drop view if exists v1;
drop database if exists mysqltest;
drop function if exists f1;
@@ -959,6 +959,91 @@ create trigger test.t1_bi before insert on t1 for each row set @a:=0;
drop trigger t1_bi;
connection default;
#
# Test for bug #13525 "Rename table does not keep info of triggers"
#
create table t1 (id int);
create trigger t1_bi before insert on t1 for each row set @a:=new.id;
insert into t1 values (101);
select @a;
select trigger_schema, trigger_name, event_object_schema,
event_object_table, action_statement from information_schema.triggers
where event_object_schema = 'test';
rename table t1 to t2;
# Trigger should work after rename
insert into t2 values (102);
select @a;
select trigger_schema, trigger_name, event_object_schema,
event_object_table, action_statement from information_schema.triggers
where event_object_schema = 'test';
# Let us check that the same works for simple ALTER TABLE ... RENAME
alter table t2 rename to t3;
insert into t3 values (103);
select @a;
select trigger_schema, trigger_name, event_object_schema,
event_object_table, action_statement from information_schema.triggers
where event_object_schema = 'test';
# And for more complex ALTER TABLE
alter table t3 rename to t4, add column val int default 0;
insert into t4 values (104, 1);
select @a;
select trigger_schema, trigger_name, event_object_schema,
event_object_table, action_statement from information_schema.triggers
where event_object_schema = 'test';
# .TRN file should be updated with new table name
drop trigger t1_bi;
drop table t4;
# Rename between different databases if triggers exist should fail
create database mysqltest;
use mysqltest;
create table t1 (id int);
create trigger t1_bi before insert on t1 for each row set @a:=new.id;
insert into t1 values (101);
select @a;
select trigger_schema, trigger_name, event_object_schema,
event_object_table, action_statement from information_schema.triggers
where event_object_schema = 'test' or event_object_schema = 'mysqltest';
--error ER_TRG_IN_WRONG_SCHEMA
rename table t1 to test.t2;
insert into t1 values (102);
select @a;
select trigger_schema, trigger_name, event_object_schema,
event_object_table, action_statement from information_schema.triggers
where event_object_schema = 'test' or event_object_schema = 'mysqltest';
# There should be no fantom .TRN files
--error ER_TRG_DOES_NOT_EXIST
drop trigger test.t1_bi;
drop trigger t1_bi;
drop table t1;
drop database mysqltest;
use test;
# And now let us check that the properly handle rename if there is some
# error during it (that we rollback such renames completely).
create table t1 (id int);
create trigger t1_bi before insert on t1 for each row set @a:=new.id;
create trigger t1_ai after insert on t1 for each row set @b:=new.id;
insert into t1 values (101);
select @a, @b;
select trigger_schema, trigger_name, event_object_schema,
event_object_table, action_statement from information_schema.triggers
where event_object_schema = 'test';
# Trick which makes update of second .TRN file impossible
system echo dummy >var/master-data/test/t1_ai.TRN~;
system chmod 000 var/master-data/test/t1_ai.TRN~;
--error 1
rename table t1 to t2;
# 't1' should be still there and triggers should work correctly
insert into t1 values (102);
select @a, @b;
select trigger_schema, trigger_name, event_object_schema,
event_object_table, action_statement from information_schema.triggers
where event_object_schema = 'test';
system chmod 600 var/master-data/test/t1_ai.TRN;
# Let us check that updates to .TRN files were rolled back too
drop trigger t1_bi;
drop trigger t1_ai;
drop table t1;
# Test for bug #16829 "Firing trigger with RETURN crashes the server"
# RETURN is not supposed to be used anywhere except functions, so error
# should be returned when one attempts to create trigger with RETURN.