Re: [GENERAL] is there any defect when use null column in postgresql?
On Sun, Mar 15, 2009 at 9:39 PM, leopay wrote: > > > On Mon, Mar 16, 2009 at 11:36 AM, Scott Marlowe > wrote: >> >> On Sun, Mar 15, 2009 at 9:00 PM, leopay wrote: >> > I wanna if there is any defact when use null column in pg, >> > e.g. performance issue >> >> none that I know of. Any more specific scenarios you're wondering about? > > when do the query, the column contain none value could use the index? Older versions, no, modern versions yes. When that changed, I don't know, as I'm running only 8.3 anymore. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
Re: [GENERAL] is there any defect when use null column in postgresql?
On Mon, Mar 16, 2009 at 11:36 AM, Scott Marlowe wrote: > On Sun, Mar 15, 2009 at 9:00 PM, leopay wrote: > > I wanna if there is any defact when use null column in pg, > > e.g. performance issue > > none that I know of. Any more specific scenarios you're wondering about? when do the query, the column contain none value could use the index?
Re: [GENERAL] is there any defect when use null column in postgresql?
On Sun, Mar 15, 2009 at 9:00 PM, leopay wrote: > I wanna if there is any defact when use null column in pg, > e.g. performance issue none that I know of. Any more specific scenarios you're wondering about? -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
[GENERAL] is there any defect when use null column in postgresql?
I wanna if there is any defact when use null column in pg, e.g. performance issue
[GENERAL] Is there any defect when use null column in postgresql?
I wanna if there is any defact when use null column in postgresql, e.g. performance issue