triggerbeforetrig.sql

derby database source code.good for you.

--
-- Consolidated BEFORE trigger tests from all trigger tests.

-- The following tests moved from TriggerValidate.sql to here.

create table x (x int, constraint ck check (x > 0));
create table unrelated (x int, constraint ckunrelated check (x > 0));
create index x on x(x);

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-- DDL
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create trigger tbad NO CASCADE before insert on x for each statement mode db2sql drop table x;

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql drop index x;

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql alter table x add column y int;

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql alter table x add constraint ck2 check(x > 0);

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql alter table x drop constraint ck;

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql create index x2 on x (x);

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql create index xunrelated on unrelated(x);

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql drop index xunrelated; 

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql drop trigger tbad;

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql 
	create trigger tbad2 NO CASCADE before insert on x for each statement mode db2sql values 1;

create trigger tokv1 NO CASCADE before insert on x for each statement mode db2sql values 1;
insert into x values 1;
select * from x;
drop trigger tokv1;

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-- MISC
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create trigger tbad NO CASCADE before insert on x for each statement mode db2sql set isolation to rr;

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql lock table x in share mode;

create trigger tbad NO CASCADE before insert on x for each statement mode db2sql 
	call APP.SOMEPROC();

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-- DML, cannot perform dml on same
-- table for before trigger, of for
-- after
------------------------------------
-- before
create trigger tbadX NO CASCADE before insert on x for each statement mode db2sql insert into x values 1;

create trigger tbadX NO CASCADE before insert on x for each statement mode db2sql delete from x;

create trigger tbadX NO CASCADE before insert on x for each statement mode db2sql update x set x = x;

-- Following tests moved here from triggerRefClause, since these use BEFORE triggers
-- syntax
create trigger t1 NO CASCADE before update on x referencing badtoken as oldtable for each row mode db2sql values 1;
create trigger t1 NO CASCADE before update on x referencing old as oldrow new for each row mode db2sql values 1;

-- dup names
create trigger t1 NO CASCADE before update on x referencing old as oldrow new as newrow old as oldrow2 
	for each row mode db2sql values 1;
create trigger t1 NO CASCADE before update on x referencing new as newrow new as newrow2 old as oldrow2 
	for each row mode db2sql values 1;

-- mismatch: row->for each statement mode db2sql, table->for each row
create trigger t1 NO CASCADE before update on x referencing new_table as newtab for each row mode db2sql values 1;
create trigger t1 NO CASCADE before update on x referencing new as newrow for each statement mode db2sql values 1;

-- same as above, but using old
create trigger t1 NO CASCADE before update on x referencing old_table as old for each row mode db2sql select * from old;
create trigger t1 NO CASCADE before update on x referencing old_table as old for each statement mode db2sql values old.x;

-- old and new cannot be used once they have been redefined
create trigger t1 NO CASCADE before update on x referencing old_table as oldtable for each statement mode db2sql select * from old;
create trigger t1 NO CASCADE before update on x referencing old as oldtable for each row mode db2sql values old.x;

-- try some other likely uses
create table y (x int);
create trigger t1 NO CASCADE before insert on x referencing new_table as newrowtab for each statement mode db2sql insert into y select x from newrowtab;

drop table x;
drop table y;