Re: [HACKERS] Row sampling..

2004-03-29 Thread Tom Lane
Chris Bowlby <[EMAIL PROTECTED]> writes: > I need to know how PostgreSQL makes it's > choices on what rows to sample. Randomly. regards, tom lane ---(end of broadcast)--- TIP 2: you can get off all lists at once with the unr

[HACKERS] Row sampling..

2004-03-29 Thread Chris Bowlby
Hi All, I'm trying to gain a good understanding of how PostgreSQL determines what to sample when doing a stats analysis on a table. Using PostgreSQL 7.4's pg_stats table I can get a good overall understanding of variations in the table, but I need to know how PostgreSQL makes it's choices on wha