cost_hashjoin
От
Simon Riggs
Тема
cost_hashjoin
Дата
Msg-id
1283159934.1800.1845.camel@ebony
Список
Дерево обсуждения
cost_hashjoin Simon Riggs <simon@2ndQuadrant.com>
Re: cost_hashjoin Greg Stark <gsstark@mit.edu>
Re: cost_hashjoin Simon Riggs <simon@2ndQuadrant.com>
cost_hashjoin() has some treatment of what occurs when numbatches > 1 but that additional cost is not proportional to numbatches. The associated comment talks about "an extra time", making it sound like we think numbatches would only ever be 2 (or 1). Can someone explain the current code, or is there an oversight there? -- Simon Riggs www.2ndQuadrant.comPostgreSQL Development, 24x7 Support, Training and Services
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