Re: State of Beta 2
От | Bruce Momjian |
---|---|
Тема | Re: State of Beta 2 |
Дата | |
Msg-id | 200309121422.h8CEMWB14200@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: State of Beta 2 (Manfred Koizar <mkoi-pg@aon.at>) |
Ответы |
Re: State of Beta 2
Re: State of Beta 2 |
Список | pgsql-general |
Manfred Koizar wrote: > On Thu, 11 Sep 2003 14:24:25 -0700, Sean Chittenden > <sean@chittenden.org> wrote: > >Agreed, but if anyone has a table with close to 1600 columns in a > >table... > > This 1600 column limit has nothing to do with block size. It is > caused by the fact that a heap tuple header cannot be larger than 255 > bytes, so there is a limited number of bits in the null bitmap. Are you sure. Then our max would be: 255 * 8 = 2040 -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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