On Wed, Oct 26, 2011 at 10:15 AM, Simon Riggs <si...@2ndquadrant.com> wrote:
> On Wed, Oct 26, 2011 at 2:57 PM, Lee Hachadoorian > <lee.hachadoor...@gmail.com> wrote: > > > Interesting. Although your example of one, 100000-dimension array works, > > five hundred 2-dimension arrays does not work. I can do the SELECT, but > the > > CREATE TABLE fails: > > > > ERROR: row is too big: size 9024, maximum size 8160 > > SQL state: 54000 > > > > David has already hit the nail on the head in terms of this being a > > "political" problem rather than a technology problem. I'm open to ideas, > but > > I realize there might be no other answer than "No one in their right mind > > should do this." > > No, this is a technology problem. > > Toast pointers are 20 bytes per column, so with 500 columns that is > 10000 bytes - which will not fit in one block. > > If you wish to fit this in then you should use a 2 dimensional array, > which will then be just 1 column and your data will fit. > > -- > Simon Riggs http://www.2ndQuadrant.com/ > PostgreSQL Development, 24x7 Support, Training & Services > Very useful to know. Thank you. --Lee -- Lee Hachadoorian PhD, Earth & Environmental Sciences (Geography) Research Associate, CUNY Center for Urban Research http://freecity.commons.gc.cuny.edu/
