Archiwizowane September, 2010

I have an unusual mail setup. My company mails are handled by gmail, and on my account there, I setup forwarding to my own mail account on my own server. Where I read the mails, and respond. So, when someone (let's say ...

My jabber server had the feature, that it logs all messages that got sent through it. This is pretty cool, and useful. And now, i got asked to use it to create list of conversations. What exactly is this? Whenever I send ...

September 9th, 2010 by depesz | Tags: , , , | 19 comments »

This question (and its variants) show quite often on #postgresql on IRC. People get sequential scans, and are worried that it's slow and bad. So, I hope that this blogpost will shed some light on the subject why indexes are being ...