rules.sql
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:1k
- ---------------------------------------------------------------------------
- --
- -- rules.sql-
- -- test rules
- --
- --
- -- Copyright (c) 1994-5, Regents of the University of California
- --
- -- $Id: rules.sql,v 1.1.1.1 1996/07/09 06:22:30 scrappy Exp $
- --
- ---------------------------------------------------------------------------
- -- test rules creation
- create table foo (x int4);
- -- instead rules are not working right now
- -- create rule rule1 as on select to foo.x do instead update foo set x = 2;
- -- select rulename, ev_class, ev_type from pg_rewrite;
- select * from foo;
- create table bar (x int4, y float4);
- create rule rule1 as on insert to bar do insert into foo (x) values (new.x);
- insert into bar (x,y) values (10, -10.0);
- insert into bar (x,y) values (20, -20.0);
- insert into bar (x,y) values (30, 3.14159);
- select * from bar;
- select * from foo;
- drop table foo, bar;