Re: misc questions
От | Tom Lane |
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Тема | Re: misc questions |
Дата | |
Msg-id | 14783.957904775@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | misc questions (Jeff MacDonald <jeff@pgsql.com>) |
Ответы |
Re: misc questions
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Список | pgsql-hackers |
Jeff MacDonald <jeff@pgsql.com> writes: > 1: Has anyone found a way to fake INNER JOINS, basically I'm helping someone > convert some MSSQL code over to Postgres and they use INNER JOINS heavly You shouldn't have to fake it --- Thomas alleges that INNER JOIN syntax works now. > 2: Have any of y'all ever seeen this error > ""transformExpr: does not know how to transform node 501 (internal error)" > from statement: > "SELECT DISTINCT ss.stateID, ss.stateValue FROM State ss INNER JOIN Standard > st ON ss.stateID = st.stateID" Congratulations, our first 7.0 bug report! It fails for me too. 501 is type T_List, so it looks like some list-slinging is going wrong. > 3: what is the maximum depth of nested sub queries ? No hard and fast limit, but they might be pretty slow if you nest them real deep ... sub-selects aren't implemented especially efficiently ... > 4: just out of the blue, how great or not great is our alpha support ? Er ... what? regards, tom lane
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