Re: [Firebird-devel] Type BOOLEAN in FB3

2013-08-12 Thread Adriano dos Santos Fernandes
On 12/08/2013 00:33, Simonov Denis wrote: Adriano dos Santos Fernandes adrian...@gmail.com писал(а) в своём письме Mon, 12 Aug 2013 05:28:25 +0400: Please ignore this. What PostgreSQL seems to accept (at parser level) and is not standard is: - WHERE (1 = 1) + (2 = 2) It's analog

[Firebird-devel] Explained plan output: feedback wanted

2013-08-12 Thread Dmitry Yemanov
All, There are some kinds of queries that have data access methods linked to each other. Windowed functions are the obvious example, but it happens even for regular aggregate functions. For example, COUNT(DISTINCT) needs not only read the underlying stream but also sort it in order to