On Tue, 19 Jun 2001, Mikael Kjellström wrote:
>
> Maybe I am doing this the wrong way, but how do I check if a table exist?
>
> This works from psql:
>
> select
> relname
> from
> pg_class
> where
> relname = 'tablename'
>
>
> But if I try to do the same from a PL/PGSQL stored procedure I get the
> following error message:
>
> ERROR: unexpected SELECT query in exec_stmt_execsql()
>
> Isn't select's allowed from stored procedures?
You'll want to use something like:
declare
foo name;
begin
...
select relname INTO foo from pg_class where
relname=''tablename'';
...
end;
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