Обсуждение: How to delete all operators

Hi,

I have a database with operators and functions in plpgsql.
To update the data to the latest version I would like to drop all operators.
There might be some, that I don't know. I don't have access to the database,
but have to write a script, that will update the data.

Is there any way to drop all operators (given they are all in the schema
"public) in a script?

Something like (pseudocode):
Drop all operators in schema "public"

Thanks in advance for answers

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      You can make a function to do this.

  CREATE FUNCTION drop_operators(text) RETURNS BOOL AS
  $$
  DECLARE
    op record;
  BEGIN
    FOR op IN SELECT opname
                     FROM pg_operator as o left join pg_namespace as n on (o.oprnamespace = n.oid)
                     WHERE nspname = $1
    LOOP
      EXECUTE 'DROP OPERATOR '||quote_literal(op.opname)|| ';';
    END LOOP;
    RETURN TRUE;
  END;
  $$ LANGUAGE 'plpgsql' IMMUTABLE;

  And so: SELECT drop_operators( 'public');




--
William Leite Araújo

On Mar 31, 2006, at 5:17 AM, Martin Pohl wrote:
> Is there any way to drop all operators (given they are all in the
> schema
> "public) in a script?
>
> Something like (pseudocode):
> Drop all operators in schema "public"

Nope, though information_schema or the newsysviews project on
pgFoundry might make it easier to get that list of operators.
--
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Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461