sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: #
sl@0: # This file tests the triggers of views.
sl@0: #
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: # If either views or triggers are disabled in this build, omit this file.
sl@0: ifcapable {!trigger || !view} {
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: do_test trigger4-1.1 {
sl@0:   execsql {
sl@0:     create table test1(id integer primary key,a);
sl@0:     create table test2(id integer,b);
sl@0:     create view test as
sl@0:       select test1.id as id,a as a,b as b
sl@0:       from test1 join test2 on test2.id =  test1.id;
sl@0:     create trigger I_test instead of insert on test
sl@0:       begin
sl@0:         insert into test1 (id,a) values (NEW.id,NEW.a);
sl@0:         insert into test2 (id,b) values (NEW.id,NEW.b);
sl@0:       end;
sl@0:     insert into test values(1,2,3);
sl@0:     select * from test1;
sl@0:   }
sl@0: } {1 2}
sl@0: do_test trigger4-1.2 {
sl@0:   execsql {
sl@0:     select * from test2;
sl@0:   }
sl@0: } {1 3}
sl@0: do_test trigger4-1.3 {
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     insert into test values(4,5,6);
sl@0:     select * from test1;
sl@0:   }
sl@0: } {1 2 4 5}
sl@0: do_test trigger4-1.4 {
sl@0:   execsql {
sl@0:     select * from test2;
sl@0:   }
sl@0: } {1 3 4 6}
sl@0: 
sl@0: do_test trigger4-2.1 {
sl@0:   execsql {
sl@0:     create trigger U_test instead of update on test
sl@0:       begin
sl@0:         update test1 set a=NEW.a where id=NEW.id;
sl@0:         update test2 set b=NEW.b where id=NEW.id;
sl@0:       end;
sl@0:     update test set a=22 where id=1;
sl@0:     select * from test1;
sl@0:   }
sl@0: } {1 22 4 5}
sl@0: do_test trigger4-2.2 {
sl@0:   execsql {
sl@0:     select * from test2;
sl@0:   }
sl@0: } {1 3 4 6}
sl@0: do_test trigger4-2.3 {
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     update test set b=66 where id=4;
sl@0:     select * from test1;
sl@0:   }
sl@0: } {1 22 4 5}
sl@0: do_test trigger4-2.4 {
sl@0:   execsql {
sl@0:     select * from test2;
sl@0:   }
sl@0: } {1 3 4 66}
sl@0: 
sl@0: do_test trigger4-3.1 {
sl@0:   catchsql {
sl@0:     drop table test2;
sl@0:     insert into test values(7,8,9);
sl@0:   }
sl@0: } {1 {no such table: main.test2}}
sl@0: do_test trigger4-3.2 {
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   catchsql {
sl@0:     insert into test values(7,8,9);
sl@0:   }
sl@0: } {1 {no such table: main.test2}}
sl@0: do_test trigger4-3.3 {
sl@0:   catchsql {
sl@0:     update test set a=222 where id=1;
sl@0:   }
sl@0: } {1 {no such table: main.test2}}
sl@0: do_test trigger4-3.4 {
sl@0:   execsql {
sl@0:     select * from test1;
sl@0:   }
sl@0: } {1 22 4 5}
sl@0: do_test trigger4-3.5 {
sl@0:   execsql {
sl@0:     create table test2(id,b);
sl@0:     insert into test values(7,8,9);
sl@0:     select * from test1;
sl@0:   }
sl@0: } {1 22 4 5 7 8}
sl@0: do_test trigger4-3.6 {
sl@0:   execsql {
sl@0:     select * from test2;
sl@0:   }
sl@0: } {7 9}
sl@0: do_test trigger4-3.7 {
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     update test set b=99 where id=7;
sl@0:     select * from test2;
sl@0:   }
sl@0: } {7 99}
sl@0: 
sl@0: do_test trigger4-4.1 {
sl@0:     db close
sl@0:     file delete -force trigtest.db
sl@0:     file delete -force trigtest.db-journal
sl@0:     sqlite3 db trigtest.db
sl@0:     catchsql {drop table tbl; drop view vw}
sl@0:     execsql {
sl@0: 	create table tbl(a integer primary key, b integer);
sl@0: 	create view vw as select * from tbl;
sl@0: 	create trigger t_del_tbl instead of delete on vw for each row begin
sl@0: 	  delete from tbl where a = old.a;
sl@0: 	end;
sl@0: 	create trigger t_upd_tbl instead of update on vw for each row begin
sl@0: 	  update tbl set a=new.a, b=new.b where a = old.a;
sl@0: 	end;
sl@0: 	create trigger t_ins_tbl instead of insert on vw for each row begin
sl@0: 	  insert into tbl values (new.a,new.b);
sl@0: 	end;
sl@0: 	insert into tbl values(101,1001);
sl@0: 	insert into tbl values(102,1002);
sl@0: 	insert into tbl select a+2, b+2 from tbl;
sl@0: 	insert into tbl select a+4, b+4 from tbl;
sl@0: 	insert into tbl select a+8, b+8 from tbl;
sl@0: 	insert into tbl select a+16, b+16 from tbl;
sl@0: 	insert into tbl select a+32, b+32 from tbl;
sl@0: 	insert into tbl select a+64, b+64 from tbl;
sl@0: 	select count(*) from vw;
sl@0:     }
sl@0: } {128}
sl@0: do_test trigger4-4.2 {
sl@0:     execsql {select a, b from vw where a<103 or a>226 order by a}
sl@0: } {101 1001 102 1002 227 1127 228 1128}
sl@0: 
sl@0: #test delete from view
sl@0: do_test trigger4-5.1 {
sl@0:     catchsql {delete from vw where a>101 and a<2000}
sl@0: } {0 {}}
sl@0: do_test trigger4-5.2 {
sl@0:     execsql {select * from vw}
sl@0: } {101 1001}
sl@0: 
sl@0: #test insert into view
sl@0: do_test trigger4-6.1 {
sl@0:     catchsql {
sl@0: 	insert into vw values(102,1002);
sl@0: 	insert into vw select a+2, b+2 from vw;
sl@0: 	insert into vw select a+4, b+4 from vw;
sl@0: 	insert into vw select a+8, b+8 from vw;
sl@0: 	insert into vw select a+16, b+16 from vw;
sl@0: 	insert into vw select a+32, b+32 from vw;
sl@0: 	insert into vw select a+64, b+64 from vw;
sl@0:     }
sl@0: } {0 {}}
sl@0: do_test trigger4-6.2 {
sl@0:     execsql {select count(*) from vw}
sl@0: } {128}
sl@0: 
sl@0: #test update of view
sl@0: do_test trigger4-7.1 {
sl@0:     catchsql {update vw set b=b+1000 where a>101 and a<2000}
sl@0: } {0 {}}
sl@0: do_test trigger4-7.2 {
sl@0:     execsql {select a, b from vw where a<=102 or a>=227 order by a}
sl@0: } {101 1001 102 2002 227 2127 228 2128}
sl@0: 
sl@0: integrity_check trigger4-99.9
sl@0: db close
sl@0: file delete -force trigtest.db trigtest.db-journal
sl@0: 
sl@0: finish_test