Date: Mon, 24 Feb 2014 12:05:41 +0200 (EET)
From: Pena Kupen <kupen@wippies.fi>
To: postgres list <pgsql-sql@postgresql.org>
Message-ID: <1770161454.3100811393236342120.JavaMail.kupen@wippies.fi>
Subject: Re: array in function
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Hello Pavel,

I have taking little too much away from original sql :-)

Now it works excellently!

Thank's for your help!

-kupen

Pavel Stehule [pavel.stehule@gmail.com] kirjoitti:=20
> Hello
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> 2014-02-24 10:09 GMT+01:00 Pena Kupen <kupen@wippies.fi>:
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> > 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
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>=20
> predicate should be
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> type_id =3D ANY($1)
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> Regards
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> Pavel
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> >
> >
> >  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 USI=
NG
> >> _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 crea=
te
> >> 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 t=E4=E4ll=E4! Varmista paikkasi vallankumouk=
sen
> >> > eturintamassa ja liity Wippiesiin heti!
> >> > http://www.wippies.com/
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org)
> >> > To make changes to your subscription:
> >> > http://www.postgresql.org/mailpref/pgsql-sql
> >> >
> >>
> >>
> >
> > --
> > Wippies-vallankumous on t=E4=E4ll=E4! Varmista paikkasi vallankumouksen
> > eturintamassa ja liity Wippiesiin heti!
> > http://www.wippies.com/
> >
> >
> >
> >
> > --
> > Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org)
> > To make changes to your subscription:
> > http://www.postgresql.org/mailpref/pgsql-sql
> >
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