Comments on: Extended covering indexes http://www.xaprb.com/blog/2009/06/07/extended-covering-indexes/ Stay curious! Thu, 02 May 2013 12:36:53 +0000 hourly 1 http://wordpress.org/?v=3.5.1 By: Istvan Podor http://www.xaprb.com/blog/2009/06/07/extended-covering-indexes/#comment-16841 Istvan Podor Mon, 24 Aug 2009 16:46:28 +0000 http://www.xaprb.com/blog/?p=1124#comment-16841 Prety smart. I really like this :) thnx

]]> By: Zardosht Kasheff http://www.xaprb.com/blog/2009/06/07/extended-covering-indexes/#comment-16551 Zardosht Kasheff Thu, 11 Jun 2009 18:48:35 +0000 http://www.xaprb.com/blog/?p=1124#comment-16551 Baron, the blog post that describes our current patch for clustering indexes is now up: http://blogs.tokutek.com/tokuview/mysql_51_grammar_changes_to_support_clustering_indexes/.

]]> By: Zardosht Kasheff http://www.xaprb.com/blog/2009/06/07/extended-covering-indexes/#comment-16537 Zardosht Kasheff Mon, 08 Jun 2009 20:48:06 +0000 http://www.xaprb.com/blog/?p=1124#comment-16537 Baron, we plan on sharing the patch for clustering keys, along with issues to beware of, very soon in a blog post. As for implementing a feature to include additional columns suggested above, once we figure it out, we will share the MySQL changes. The simplest way to implement it would be if index comments made its way from 6.0 (and eventually 5.4) into 5.1, and we leveraged that.

]]> By: Xaprb http://www.xaprb.com/blog/2009/06/07/extended-covering-indexes/#comment-16535 Xaprb Mon, 08 Jun 2009 17:21:32 +0000 http://www.xaprb.com/blog/?p=1124#comment-16535 Yeah, I left the SQL Server world just as 2005 was being released, so now it makes sense that I didn’t know about it. Any other platforms support this? I don’t think Postgres does.

]]> By: Nick http://www.xaprb.com/blog/2009/06/07/extended-covering-indexes/#comment-16534 Nick Mon, 08 Jun 2009 14:24:24 +0000 http://www.xaprb.com/blog/?p=1124#comment-16534 The “include” clause was added in SQL Server 2005.

http://www.mssqltips.com/tip.asp?tip=1078

This is really convenient if you want to cover a column in a unique index that would otherwise break the uniqueness constraint.

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