alecinvan wrote
> I like to pass the tablename to function but not using execute clause,
> here is my script
> 
> [...]
> 
> I want to pass the _tbl to the select query integrated in the unpacking(),
> how can I make it?

There is no way to perform a query with an unknown, at design time,
identifier without using EXECUTE.

The recommended way to do this is to use "format()" and dollar-quoting -
v9.1+ required:

v_qry := format(

$qry$
WITH [...]
SELECT id, func(...) FROM %I WHERE id [...]
$qry$

, _tbl

);

RETURN QUERY EXECUTE v_qry;

David J.




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