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WIP Join Removal
- From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
- To: List pgsql-patches <pgsql-patches(at)postgresql(dot)org>
- Subject: WIP Join Removal
- Date: Sun, 31 Aug 2008 10:52:52 +0100
- Message-id: <1220176372.4371.118.camel@ebony.2ndQuadrant> <text/plain>
As discussed on 26 June, "Join Removal/Vertical Partitioning", here's a patch to remove joins in certain circumstances. Tested and blind reviewed, but this is complex and subtle enough I welcome and expect your comments on corner cases and missed complications. (Lord knows, I've been down a few blind alleys writing it to date...) Patch works, but there's a bit I haven't finished yet - checking unique indexes. So patch is marked WIP for now. Depending upon how long commitfest lasts I may have a fully working version. (Yes, I know its only 1 hours work, but haven't worked out how yet...) -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support
Attachment:
join_removal.v4.patch
Description: Text Data
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