Re: Negative LIMIT and OFFSET?
От | Gregory Stark |
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Тема | Re: Negative LIMIT and OFFSET? |
Дата | |
Msg-id | 87r6hlq4f9.fsf@oxford.xeocode.com обсуждение исходный текст |
Ответ на | Re: Negative LIMIT and OFFSET? (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Negative LIMIT and OFFSET?
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Список | pgsql-hackers |
"Tom Lane" <tgl@sss.pgh.pa.us> writes: > mysql> select * from t limit 2 offset -2; > ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server versionfor the right syntax to use near '-2' at line 1 > > This behavior suggests that they can't even deal with LIMIT/OFFSET > values that aren't simple integer literals ... I suppose when they added these features I think they didn't have subqueries, so there wasn't really much useful that could be done with arbitrary expressions here. Being able to do "LIMIT 1+1" doesn't actually add anything. -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's 24x7 Postgres support!
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