4 ms·
Is that different than the bitmap index access method, which IIRC landed in 8.1 or so, and is used to combine results of multiple index scans?
by facetube 11y ago
Is that different than the bitmap index access method, which IIRC landed in 8.1 or so, and is used to combine results of multiple index scans?
- pjungwir 11y agoYes, totally different thing. :-) A great book on query plan stuff is here: http://www.amazon.com/PostgreSQL-High-Performance-Gregory-Smith/dp/184951030X http://www.amazon.com/PostgreSQL-High-Performance-Gregory-Sm...