Re: Problem with the semantics of "select into" in a plpgsql function

The documentation for "select into" covers this and provides your alternatives.

http://www.postgresql.org/docs/9.2/interactive/sql-selectinto.html

David J.


On Dec 25, 2012, at 10:20, Seref Arikan  wrote:

> Greetings, 
> I have a plpython function that returns a set of records. I loop over them to insert them into a temp table created by another function. 
> I wanted to test 
> select into temp_eav_table (column) select a.column from tbl as a where.... 
> approach to see if it performs better than the loop. However, I'm not able to compile the function due to an error that says "temp_eav_table is not a known variable"
> 
> So the context assumes this is supposed to be a variable. If I try execute '...', then I have trouble passing a bytea parameter to the python function. This is what I have at the moment:
> 
> SELECT INTO temp_eav_table (valstring,
>                                     featuremappingid,
>                                     featurename,
>                                     rmtypename,
>                                     actualrmtypename,
>                                     path,
>                                     pathstring)
>     select selected_node.valstring,
>                                     selected_node.featuremappingid,
>                                     selected_node.featurename,
>                                     selected_node.rmtypename,
>                                     selected_node.actualrmtypename,
>                                     selected_node.path,
>                                     selected_node.pathstring
>     from py_get_eav_rows_from_pb(payload ) as selected_node;
> 
> any thoughts?
> 
> Best regards
> Seref
>