[HACKERS] Semantic optimization is posible?

2005-10-24 Thread Sebastián Ávila
Hello people, I'm thinking to add a stage before the optimizer and after the parser with a basic rewriter in order to flatten all nested queries using a pattern and table statistics, here I also can use assetions the database have. Another and complementary possibility is that I can make annotatio

[HACKERS] Optimization system

2005-10-19 Thread Sebastián Ávila
Hi people, Please I need help about this, where I could find information about the query optimization system in postgresql? Thanks! ---(end of broadcast)--- TIP 5: don't forget to increase your free space map settings

[HACKERS] A few questions

2005-10-18 Thread Sebastián Ávila
Hi people, I'm new here, and I would like to know a few things about how developers works. Could be posible that two developers works on the same item, but in isolation? What happens with the different patchs they produced? I would like to do my PFC in semantic optimization, what is now implemente