The following bug has been logged online:
Bug reference: 4997
Logged by: Dmitry Samokhin
Email address: s...@mail.ru
PostgreSQL version: 8.3.7
Operating system: Windows 2003 Server
Description:Expression evaluation rules
Details:
As described in section "4
Yes... Described in "38.4. Expressions"...
To be more exact, it's neither bug nor feature. To evaluate an integral CASE
... END expression, the 'main' SQL engine needs all its parameters passed to
exist at least. But the evaluation rules (I think) remain the same both in
separate SQL queries an