Re: array in function - Mailing list pgsql-sql

Hi,

I try to change it:

ERROR:  syntax error at or near "ANY" at character 35
QUERY:  SELECT 1 FROM types WHERE type_id ANY($1)
CONTEXT:  PL/pgSQL function "hastype" line 4 at EXECUTE statement

> p.s. newer try to merge variables to SQL string without sanitization - your
> code is SQL injection vulnerable - and doesn't work
>
You are right! This must be always taking case of. I have made this sample so simple as possible.

-kupen

Pavel Stehule [pavel.stehule@gmail.com] kirjoitti:
> Hello
>
> pls, try
>
> EXECUTE 'SELECT 1 FROM types WHERE type_id ANY($1) ' INTO hasValue USING
> _list;
>
>
> Regards
>
> Pavel
>
> p.s. newer try to merge variables to SQL string without sanitization - your
> code is SQL injection vulnerable - and doesn't work
>
>
> 2014-02-24 9:42 GMT+01:00 Pena Kupen <kupen@wippies.fi>:
>
> > Hi,
> >
> > I have a problem with function, where I want to use execute and create sql
> > for it.
> >
> > My table is:
> > create table types (
> > id integer,
> > type_id character varying,
> > explain character varying
> > );
> >
> > And function:
> > CREATE or REPLACE FUNCTION hasType(_list character varying[]) RETURNS
> > integer
> >    LANGUAGE plpgsql
> >    AS $$
> >
> > DECLARE hasValue integer;
> > BEGIN
> >         EXECUTE 'SELECT 1 FROM types WHERE type_id ANY('|| _list ||') '
> > INTO hasValue;
> >         IF hasValue IS NULL THEN
> >                 RETURN 0;
> >         ELSE
> >                 RETURN 1;
> >         END IF;
> > END;
> > $$;
> >
> > Executing function with array parameter:
> > select hasType(ARRAY['E','F','','']);
> >
> > I got error:
> > SQL error:
> > ERROR:  operator is not unique: unknown || character varying[] at
> > character 49
> > HINT:  Could not choose a best candidate operator. You might need to add
> > explicit type casts.
> > QUERY:  SELECT  'SELECT 1 FROM types WHERE type_id ANY('||  $1  ||') '
> > CONTEXT:  PL/pgSQL function "hastype" line 4 at EXECUTE statement
> > In statement:
> > select hasType(ARRAY['E','F','','']);
> >
> > How to add array in parameter list to sql-sentence?
> >
> > -kupen
> >
> >
> > --
> > Wippies-vallankumous on täällä! Varmista paikkasi vallankumouksen
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> >
> >
> >
> >
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>


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