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Manual merge of patch fixing several trigger related bugs with main tree.

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sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_insert.cc:
  Manual merge
sql/sql_update.cc:
  Manual merge
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unknown
2005-05-24 22:35:41 +04:00
parent 8ddb0ddc5c 1fa7c69d31
commit 896786eadd
12 changed files with 634 additions and 127 deletions
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118
mysql-test/t/trigger.test
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@ -150,6 +150,55 @@ drop trigger t1.trg3;
drop table t1;
# Let us test how triggers work for special forms of INSERT such as
# REPLACE and INSERT ... ON DUPLICATE KEY UPDATE
create table t1 (id int not null primary key, data int);
create trigger t1_bi before insert on t1 for each row
set @log:= concat(@log, "(BEFORE_INSERT: new=(id=", new.id, ", data=", new.data,"))");
create trigger t1_ai after insert on t1 for each row
set @log:= concat(@log, "(AFTER_INSERT: new=(id=", new.id, ", data=", new.data,"))");
create trigger t1_bu before update on t1 for each row
set @log:= concat(@log, "(BEFORE_UPDATE: old=(id=", old.id, ", data=", old.data,
") new=(id=", new.id, ", data=", new.data,"))");
create trigger t1_au after update on t1 for each row
set @log:= concat(@log, "(AFTER_UPDATE: old=(id=", old.id, ", data=", old.data,
") new=(id=", new.id, ", data=", new.data,"))");
create trigger t1_bd before delete on t1 for each row
set @log:= concat(@log, "(BEFORE_DELETE: old=(id=", old.id, ", data=", old.data,"))");
create trigger t1_ad after delete on t1 for each row
set @log:= concat(@log, "(AFTER_DELETE: old=(id=", old.id, ", data=", old.data,"))");
# Simple INSERT - both triggers should be called
set @log:= "";
insert into t1 values (1, 1);
select @log;
# INSERT IGNORE for already existing key - only before trigger should fire
set @log:= "";
insert ignore t1 values (1, 2);
select @log;
# REPLACE: before insert trigger should be called for both records,
# but then for first one update will be executed (and both update
# triggers should fire). For second after insert trigger will be
# called as for usual insert
set @log:= "";
replace t1 values (1, 3), (2, 2);
select @log;
# Now let us change table in such way that REPLACE on won't be executed
# using update.
alter table t1 add ts timestamp default now();
set @log:= "";
# This REPLACE should be executed via DELETE and INSERT so proper
# triggers should be invoked.
replace t1 (id, data) values (1, 4);
select @log;
# Finally let us test INSERT ... ON DUPLICATE KEY UPDATE ...
set @log:= "";
insert into t1 (id, data) values (1, 5), (3, 3) on duplicate key update data= data + 2;
select @log;
# This also drops associated triggers
drop table t1;
#
# Test of wrong column specifiers in triggers
#
@ -249,3 +298,72 @@ create trigger trg1 before insert on t1 for each row set @a:= 1;
# This should succeed
drop database mysqltest;
use test;
# Test for bug #5860 "Multi-table UPDATE does not activate update triggers"
# We will also test how delete triggers wor for multi-table DELETE.
create table t1 (i int, j int default 10, k int not null, key (k));
create table t2 (i int);
insert into t1 (i, k) values (1, 1);
insert into t2 values (1);
create trigger trg1 before update on t1 for each row set @a:= @a + new.j - old.j;
create trigger trg2 after update on t1 for each row set @b:= "Fired";
set @a:= 0, @b:= "";
# Check that trigger works in case of update on the fly
update t1, t2 set j = j + 10 where t1.i = t2.i;
select @a, @b;
insert into t1 values (2, 13, 2);
insert into t2 values (2);
set @a:= 0, @b:= "";
# And now let us check that triggers work in case of multi-update which
# is done through temporary tables...
update t1, t2 set j = j + 15 where t1.i = t2.i and t1.k >= 2;
select @a, @b;
# Let us test delete triggers for multi-delete now.
# We create triggers for both tables because we want test how they
# work in both on-the-fly and via-temp-tables cases.
create trigger trg3 before delete on t1 for each row set @c:= @c + old.j;
create trigger trg4 before delete on t2 for each row set @d:= @d + old.i;
create trigger trg5 after delete on t1 for each row set @e:= "After delete t1 fired";
create trigger trg6 after delete on t2 for each row set @f:= "After delete t2 fired";
set @c:= 0, @d:= 0, @e:= "", @f:= "";
delete t1, t2 from t1, t2 where t1.i = t2.i;
select @c, @d, @e, @f;
# This also will drop triggers
drop table t1, t2;
# Test for bug #6812 "Triggers are not activated for INSERT ... SELECT".
# (We also check the fact that trigger modifies some field does not affect
# value of next record inserted).
delimiter |;
create table t1 (i int, j int default 10)|
create table t2 (i int)|
insert into t2 values (1), (2)|
create trigger trg1 before insert on t1 for each row
begin
if new.i = 1 then
set new.j := 1;
end if;
end|
create trigger trg2 after insert on t1 for each row set @a:= 1|
set @a:= 0|
insert into t1 (i) select * from t2|
select * from t1|
select @a|
# This also will drop triggers
drop table t1, t2|
delimiter ;|
# Test for bug #8755 "Trigger is not activated by LOAD DATA"
create table t1 (i int, j int, k int);
create trigger trg1 before insert on t1 for each row set new.k = new.i;
create trigger trg2 after insert on t1 for each row set @b:= "Fired";
set @b:="";
# Test triggers with file with separators
load data infile '../../std_data/rpl_loaddata.dat' into table t1 (@a, i);
select *, @b from t1;
set @b:="";
# Test triggers with fixed size row file
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, j);
select *, @b from t1;
# This also will drop triggers
drop table t1;