"Mikheev, Vadim" <vmikheev@SECTORBASE.COM> writes:
>> I'm guessing this is a variant of the problem Philip Warner reported
>> yesterday. Probably WAL-related. Vadim?
> Probably, though I don't understand how WAL is related to execution plans.
> Ok, it's easy to reproduce - I'll take a look.
Could just be a question of a different pattern of table accesses?
Let me know if you want help looking...
regards, tom lane