Re: [GENERAL] adding a nullable col could rewrite the whole table?

2009-08-14 Thread Sam Mason
On Fri, Aug 14, 2009 at 12:37:14PM +, Scara Maccai wrote: I'm asking because since the page layout includes a null bitmap that If it is present it begins just after the fixed header and occupies enough bytes to have one bit per data column, I guess that when all the bits in the bitmap are

Re: [GENERAL] adding a nullable col could rewrite the whole table?

2009-08-14 Thread Scara Maccai
are null. But there's also a number saying how many columns there are Uh, thank you. Looking for t_natts I think I've found the discussion: http://archives.free.net.ph/message/20090521.144512.3ffe4801.en.html Thank you again. -- Sent via pgsql-general mailing list