Re: changing constraints

O kyrios David egrapse stis Mar 10, 2004 :

> I tried adding a constraint thus:
> de4=> ALTER TABLE genus ADD CHECK(gender = 'masculine' || 'feminine');
> But get the msg:
> ERROR: AlterTableAddConstraint: rejected due to CHECK constraint $2

Which pgsql version are you using??

In any case what you wrote means CHECK (gender='masculinefeminine')
you should write it as gender = 'masculine' OR gender = 'feminine'.

>
> de4=> \d genus
> Table "public.genus"
> Column | Type | Modifiers
> ----------------+-----------------------+-----------
> genus_name | character varying(20) | not null
> gender | character varying(10) |
> cas_gen_number | integer |
> family_name | character(7) |
> Indexes: genus_pkey primary key btree (genus_name)
> Foreign Key constraints: $1 FOREIGN KEY (family_name) REFERENCES
> family(family_name) ON UPDATE NO ACTION ON DELETE NO ACTION
>
> I cant see a $2 constraint so why am i getting the error msg?
>
> Many thanks Dave
>
>
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--
-Achilleus