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Postgres Weekly Issue 71
September 3, 2014
PGConf.EU 2014 schedule posted: Matt Asay to deliver keynote
PGConf EU is happening in Madrid this year which sounds like a great location, in addition there’s a great lineup of talks. Including what makes to be an interesting keynote from Matt Asay, Vice President of Community at MongoDB.
postgresql.org
Postgres multicolumn indexes to save the day
Indexes are great things that will make your database perform better, but in Postgres you have a few options from functional and conditional ones, to the different types - BTree, GIN, GiST, KNN, SP-GiST. Multicolumn indexes while maybe not your most commonly used, when needed can be extremely effective.
Julien Vehent
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EnterpriseDB Sponsored
Replicated PostgreSQL with pgpool2
If you’re running a Postgres installation yourself you want some form of replication setup. Of course there’s lots of options such as WAL-E and Barman, and then there’s PG Pool which handles quite a few things beyond just replication. Here’s your perfect guide for getting at least the replication and failover setup.
Michael Stapelberg
Waiting for Postgres 9.5: Add min and max aggregates for inet/cidr data types
Using inet within Postgres? If you’ve got the specific use case of wanting to find the min and max in some grouping, it’s going to be available in 9.5. While likely not earth shattering with each new function, Postgres becomes even more user friendly.
Hubert depesz Lubaczewski
Streaming directly into Postgres with Hapi.js and pg-copy-stream
The copy command is extremely handy for bulk loading data, if you’re doing anything with inserting lots of data it’s what you want to use. Here’s an awesome example of a Node app taking advantage of just that and getting a 10x performance improvement over plain inserts.
Graham Jenson
Many to many relationships with Postgresql's hstore in Rails 4
Hstore is awesome and powerful in Postgres, and the more people take advantage of it in their frameworks like Django and Rails the more benefit you find. Here’s the latest example going even further providing many to many relationships directly in rails with ActiveRecord.
Pier-Olivier Thibault
Curated by Craig Kerstiens and published by Cooper Press.
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Published by Cooper Press and curated by Craig Kerstiens