Hello
it's not bug - PostgreSQL doesn't support parameter placeholder on
this position. Use dynamic query instead - plpgsql statement EXECUTE.
regards
Pavel Stehule
2009/9/3 Keith Cascio <keith@cs.ucla.edu>:
>
> The following bug has been logged online:
>
> Bug reference: =C2=A0 =C2=A0 =C2=A05032
> Logged by: =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Keith Cascio
> Email address: =C2=A0 =C2=A0 =C2=A0keith@cs.ucla.edu
> PostgreSQL version: 8.4.0
> Operating system: =C2=A0 CentOS 5.3 (Linux)
> Description: =C2=A0 =C2=A0 =C2=A0 =C2=A0unexpected syntax error for plpgs=
ql function returns
> table
> Details:
>
> Do this:
> create function reproduce() returns table(foo integer) language plpgsql as
> 'begin return query select 1 foo; end;';
>
> Output I got:
> ERROR: =C2=A0syntax error at or near "$1"
> LINE 1: =C2=A0select 1 =C2=A0$1
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ^
> QUERY: =C2=A0 select 1 =C2=A0$1
> CONTEXT: =C2=A0SQL statement in PL/PgSQL function "reproduce" near line 1
>
> Output I expected:
> CREATE FUNCTION
>
> The mechanism of this error involves the "foo" return column and the "foo"
> alias being identical. =C2=A0Identifier collision? =C2=A0If I change one =
of the "foo"s
> to "bar", the definition succeeds. =C2=A0There are fancier ways to cause =
similar
> unexpected syntax errors, but this is close to a minimal example.
>
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