Hello
it is not a bug - it is known limit :(
nested structures are not supported as target
anybody can implement it if like it
Regards
Pavel Stehule
2012/11/29 <mkolomeit...@gmail.com>:
> The following bug has been logged on the website:
>
> Bug reference: 7711
> Logged by: Michael Kolomeitsev
> Email address: mkolomeit...@gmail.com
> PostgreSQL version: 9.2.1
> Operating system: Arch Linux
> Description:
>
> It seems multiple dots (".") are not allowed. For example: a.b.c := value;
>
> How to reproduce:
> CREATE TABLE nodes (
> id SERIAL NOT NULL PRIMARY KEY,
> name TEXT NOT NULL
> );
>
> CREATE TYPE pathId AS (
> id INTEGER,
> node nodes
> );
>
> CREATE OR REPLACE FUNCTION test_AEN7304() RETURNS void AS $$
> DECLARE
> r pathId;
> n nodes;
> BEGIN
> n.name := 'abc';
> r.id := 1;
> r.node := n; -- All is ok
> r.node.name := 'def'; -- << Error here
> -- (r).node.name := 'def'; -- << and here
> -- ((r).node).name := 'def'; -- << and here
> END;
> $$ LANGUAGE 'plpgsql';
>
> ERROR: "r.node.name" is not a known variable
>
> (From http://archives.postgresql.org/pgsql-novice/2012-11/msg00057.php)
>
>
>
>
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