From: | Barbara Lindsey <blindsey(at)cog(dot)ufl(dot)edu> |
---|---|
To: | <blindsey(at)cog(dot)ufl(dot)edu> |
Cc: | <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: error when creating rule |
Date: | 2003-11-07 15:41:53 |
Message-ID: | 2446.66.157.145.167.1068219713.squirrel@webmail.cog.ufl.edu |
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Thread: | |
Lists: | pgsql-general |
For what it's worth, this appears to be a case scenario problem within
postgres.(?!)
I removed the ref_status table entirely and all the places it is
referenced, and the problem switched to another variable on another rule
for another table...
Any suggestions? Workarounds?
> Thank you for your help on the trigger question. The RULE worked for
> most of the cases I had for this, but I have one that is giving me
> trouble. Here are my table definitions:
>
> CREATE SEQUENCE "stat_id_seq" cache 1;
> CREATE TABLE "ref_status" (
> "status_id" integer DEFAULT nextval('stat_id_seq') PRIMARY KEY,
> "short_name" varchar(5),
> "description" varchar(25),
> "modified" timestamp with time zone DEFAULT current_timestamp,
> "modified_by" varchar(50) DEFAULT current_user
> );
>
> CREATE SEQUENCE "prod_id_seq" cache 1;
> CREATE TABLE "prod_data" (
> "prod_id" integer DEFAULT nextval('prod_id_seq') PRIMARY KEY,
> "client_id" integer NOT NULL,
> "cat_id" integer NOT NULL,
> "status_id" integer NOT NULL,
> "modified" timestamp with time zone DEFAULT current_timestamp,
> "modified_by" varchar(50) DEFAULT current_user,
> CONSTRAINT prod_clnt_fk FOREIGN KEY (client_id)
> REFERENCES ref_clients(client_id)
> ON DELETE CASCADE ON UPDATE CASCADE,
> CONSTRAINT prod_cat_fk FOREIGN KEY (cat_id)
> REFERENCES ref_category(cat_id)
> ON DELETE CASCADE ON UPDATE CASCADE,
> CONSTRAINT prod_stat_fk FOREIGN KEY (status_id)
> REFERENCES ref_status(status_id)
> ON DELETE CASCADE ON UPDATE CASCADE
> );
>
> TABLE job_data_bak looks just like job_data but with all constraints
> removed.
>
>
> Here is where the problem begins. When I try to create this rule:
>
> CREATE RULE log_prod_upd AS ON UPDATE TO prod_data
> where NEW.prod_id = OLD.prod_id
> DO INSERT INTO job_data_bak VALUES (
> OLD.prod_id,OLD.client_id,
> OLD.cat_id, OLD.status_id,
> OLD.modified,OLD.modified_by
> );
>
>
> This is the error I get:
>
> ERROR: column "status_id" is of type 'integer' but expression is of
> type 'character varying'
> You will need to rewrite or cast the expression
>
>
>
> I tried casting status_id to text, but that doesn't work. I do not know
> what I need to cast to make this work. Maybe another pair of eyes will
> see something...
> Here's the dump of the tables:
> Table "prod_data"
> Column | Type | Modifiers
> --------------+--------------------------+----------------------------------------------------
> prod_id | integer | not null default
> nextval('prod_id_seq'::text)
> client_id | integer | not null
> cat_id | integer | not null
> status_id | integer | not null
> modified | timestamp with time zone | default
> ('now'::text)::timestamp(6) with time zone
> modified_by | character varying(50) | default "current_user"()
> Primary key: job_data_pkey
>
>
> Table "ref_status"
> Column | Type | Modifiers
> --------------+--------------------------+----------------------------------------------------
> status_id | integer | not null default
> nextval('stat_id_seq'::text)
> short_name | character varying(5) |
> description | character varying(25) |
> modified | timestamp with time zone | default
> ('now'::text)::timestamp(6) with time zone
> modified_by | character varying(50) | default "current_user"()
> Primary key: ref_status_pkey
>
>
>
> Thank you,
> Barb Lindsey
>
>
>
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 8: explain analyze is your friend
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