Re: Create table if not exists ... how ??

Hello

you can use IF statement only inside plpgsql function. CREATE TABLE
doesn't support clause IF.

Regards

Pavel Stehule

2010/7/19 Jennifer Trey <jennifer(dot)trey(at)gmail(dot)com>:
> I can't figure out the correct syntax...
> I have this, but it just keeps complaining about the IF
> IF NOT EXISTS (SELECT table_name FROM information_schema.tables where
> table_name = 'post_codes')
> THEN
> CREATE TABLE post_codes
> (
>   area character varying(10) NOT NULL,
>   district character varying(10) NOT NULL,
>   sector character varying(10) NOT NULL,
>   CONSTRAINT post_codes_pkey PRIMARY KEY (area, district, sector)
> )
> WITH (
>   OIDS=FALSE
> );
> ALTER TABLE post_codes OWNER TO postgres;
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> - - - - - - - - - -
> ERROR:  syntax error at or near "IF"
> LINE 1: IF NOT EXISTS (SELECT table_name FROM information_schema.tab...
>         ^
> ********** Error **********
> ERROR: syntax error at or near "IF"
> SQL state: 42601
> Character: 1
>
> How should this be written ?
> Thanks, Jen
>