Re: Room to optimize updates through ResultSet
От | Oliver Jowett |
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Тема | Re: Room to optimize updates through ResultSet |
Дата | |
Msg-id | 4384F9C6.90502@opencloud.com обсуждение исходный текст |
Ответ на | Room to optimize updates through ResultSet ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>) |
Список | pgsql-jdbc |
Kevin Grittner wrote: > I'm not really complaining, since PostgreSQL is significantly faster on > these updates than another product (for which the license agreement > prohibits posting benchmarks without their approval); but, it does seem > that there is room to optimize this if anyone is so inclinded. (I may > look at it myself some day, but there are other issues that matter much > more to me, so not soon.) > > (1) I would think the creation of the exception could be eliminated. > There is no exceptional situation here. Yeah. Patch? :) (the only reason it gets logged is that the implementation of java.sql.SQLException logs on construction -- i.e. we can't avoid logging every exception we create..) > (2) It seems like it might be possible to avoid some round trips here, > although I haven't looked at the issues in detail. What specifically? IIRC we're piggybacking on the metadata code which already has lots of server-version-specific logic in it .. we don't really want to duplicate that logic. -O
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