Re: Initial review of xslt with no limits patch
Pavel Stehule <pavel.stehule@gmail.com>
From: Pavel Stehule <pavel.stehule@gmail.com>
To: "David E. Wheeler" <david@kineticode.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, Andrew Dunstan <andrew@dunslane.net>, Mike Fowler <mike@mlfowler.com>, pgsql-hackers@postgresql.org
Date: 2010-08-08T16:10:49Z
Lists: pgsql-hackers
2010/8/8 David E. Wheeler <david@kineticode.com>: > On Aug 7, 2010, at 11:05 PM, Pavel Stehule wrote: > >>> COLLECTION? >> >> yes, sorry - simply - class where fields can be accessed via specified >> index - unique or not unique. > > Like in Oracle? From: http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14261/collections.htm yes, can be some like it. But I would to allow a non unique indexes > >> A collection is an ordered group of elements, all of the same type. It is a general concept that encompasses lists, arrays, and other datatypes used in classic programming algorithms. Each element is addressed by a unique subscript. > > There are no keys. ok - I didn't use a correct name - so "indexed set" is better. > > Best, > > David > >