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Re: view triggers/procedures

From: "SVGK, Raju (Raju)" <svgk(at)lucent(dot)com>
To: "'Csaba Nagy'" <nagy(at)ecircle-ag(dot)com>
Cc: "'pgsql-general(at)postgresql(dot)org'" <pgsql-general(at)postgresql(dot)org>
Subject: Re: view triggers/procedures
Date: 2004-08-23 10:44:05
Message-ID: 6733C768256DEC42A72BAFEFA9CF06D20AC2F155@ii0015exch002u.iprc.lucent.com (view raw or flat)
Thread:
Lists: pgsql-general
Csaba,
Thank you for your reply. How do I check the sources. Can you please tell me
in detail.
regds
-raju


-----Original Message-----
From: Csaba Nagy [mailto:nagy(at)ecircle-ag(dot)com]
Sent: Monday, August 23, 2004 4:11 PM
To: SVGK, Raju (Raju)
Cc: 'pgsql-general(at)postgresql(dot)org'
Subject: Re: [GENERAL] view triggers/procedures



Raju,

these triggers are the PG implementation of foreign key constraints
checking.
They are written in C, so if you're curios how they work you will have
to check the postgres sources ;-)

HTH,
Csaba.


On Mon, 2004-08-23 at 12:06, SVGK, Raju (Raju) wrote:
> Hi,
> 
> I have a table where in lot of triggers were included in that as shown
> below. How to view/access triggers and procedures from postgresql.
> 
> I am using postgresql 7.4.1 on solaris.
> 
> regds
> -raju
> 
> 
> Process=# \d reviews
>                                         Table "public.reviews"
>       Column      |         Type          |
> Modifiers                         
>
------------------+-----------------------+---------------------------------
> --------------------------
>  review_id        | integer               | not null default
> nextval('"reviews_review_id_seq"'::text)
>  project          | character varying(32) | not null
>  phase            | character varying(32) | not null default
> 'Unknown'::character varying
>  artifact_type    | character varying(32) | not null
>  description      | text                  | 
>  author           | character varying(32) | 
>  moderator        | character varying(32) | 
>  meeting_end_date | date                  | 
>  meeting_date     | date                  | 
>  formal           | boolean               | default true
>  status           | character varying(16) | 
>  disposition      | character varying(16) | default 'To be
> decided'::character varying
>  comments         | text                  | 
>  num_attendees    | smallint              | 
>  review_size      | smallint              | 
>  kickoff_time     | smallint              | 
>  meeting_time     | smallint              | 
>  review_name      | character varying(64) | 
>  rework_effort    | integer               | default 0
> Indexes:
>     "reviews_pkey" primary key, btree (review_id)
> Triggers:
>     "RI_ConstraintTrigger_414655" AFTER DELETE ON reviews FROM documents
NOT
> DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE
> "RI_FKey_noaction_del"('<unnamed>', 'documents', 'reviews', 'UNSPECIFIED',
> 'review_id', 'review_id')
>     "RI_ConstraintTrigger_414656" AFTER UPDATE ON reviews FROM documents
NOT
> DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE
> "RI_FKey_noaction_upd"('<unnamed>', 'documents', 'reviews', 'UNSPECIFIED',
> 'review_id', 'review_id')
>     "RI_ConstraintTrigger_414658" AFTER DELETE ON reviews FROM inspectors
> NOT DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE
> "RI_FKey_noaction_del"('<unnamed>', 'inspectors', 'reviews',
'UNSPECIFIED',
> 'review_id', 'review_id')
>     "RI_ConstraintTrigger_414659" AFTER UPDATE ON reviews FROM inspectors
> NOT DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE
> "RI_FKey_noaction_upd"('<unnamed>', 'inspectors', 'reviews',
'UNSPECIFIED',
> 'review_id', 'review_id')
>     "RI_ConstraintTrigger_414661" AFTER DELETE ON reviews FROM defects NOT
> DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE
> "RI_FKey_noaction_del"('<unnamed>', 'defects', 'reviews', 'UNSPECIFIED',
> 'review_id', 'review_id')
>     "RI_ConstraintTrigger_414662" AFTER UPDATE ON reviews FROM defects NOT
> DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE PROCEDURE
> "RI_FKey_noaction_upd"('<unnamed>', 'defects', 'reviews', 'UNSPECIFIED',
> 'review_id', 'review_id')
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 5: Have you checked our extensive FAQ?
> 
>                http://www.postgresql.org/docs/faqs/FAQ.html

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