ITAGAKI Takahiro <[EMAIL PROTECTED]> writes: > There might be regularity in the plan selection. When I connect to postgres > newly, I see plans { A, B, A, A ... }. Then disconnect, re-connect and send > the same EXPLAINs, the same pattern was reproduced.
Hmph ... maybe some effect associated with loading up the backend's internal caches? I can't imagine what though. Please see if you can extract a more self-contained test case. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster