Tatsuo Ishii wrote: > As usual, following item in the 8.1.5 release note is pretty vague: > > * Efficiency improvements in hash tables and bitmap index scans(Tom) > > Especially I'm wondering what was actually improved in bitmap index > scans. I see several commit messages regarding bitmap index scans, but > I cannot figure out which one is related to the item.
Sorry for the delay. I don't know the answer. The commit messages are the only way. -- Bruce Momjian [EMAIL PROTECTED] EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. + ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
