| From: | "Christopher Kings-Lynne" <chriskl(at)familyhealth(dot)com(dot)au> |
|---|---|
| To: | "Rajesh Kumar Mallah(dot)" <mallah(at)trade-india(dot)com>, <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: Is Dropping a column "CHECK" constraint possible? |
| Date: | 2002-07-06 04:35:06 |
| Message-ID: | 00e101c224a6$81ee3bc0$0200a8c0@SOL |
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| Lists: | pgsql-sql |
> can anyone please help?
> i have a to drop a check contstraint from a column. eg
>
> tradein_clients=# \d t_a
> Table "t_a"
> Column | Type | Modifiers
> ------------+---------+-----------
> company_id | integer |
> exp | text |
> imp | text |
> Check constraints: "$1" (length(imp) > 1)
> "aaaaaq" (length(imp) > 1)
>
> Can i remove to contraints thru ALTER TABLE or similar commands.
> I have read the docs for ALTER TABLE but the command described is
> not working for me.
This should work, so long as you're using postgres 7.2+
ALTER TABLE "t_a" DROP CONSTRAINT "aaaaaq" RESTRICT;
Chris
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| Next Message | Rajesh Kumar Mallah. | 2002-07-06 05:03:16 | Re: Is Dropping a column "CHECK" constraint possible? |
| Previous Message | Bruce Momjian | 2002-07-06 02:17:16 | Re: How do i return a dataset from a stored procedure |