O kyrios Andrew Sullivan egrapse stis Mar 16, 2004 : > On Tue, Mar 16, 2004 at 01:42:45PM +0200, Achilleus Mantzios wrote: > > Another fancy lib (although not necessarilly pgsql specific), > > is the POI project from jakarta. > > You can read/write M$ XLS documents from java, and > > subsequently (via jdbc) manipulate pgsql tables. > > > > The good part is that you can dynamically generate an excel file > > with arbitary content. > > You can do the same thing (I have done it) with Perl using the Pg and > WriteExcel modules. Excel has a lot of pretty annoying limitations, > though, and it's fairly dangerous to get too dependent on it for this > sort of thing, as you can easily run into its limitations.
Especially the way "excel" tries to store date/time "cells" (in a way much like cobol in MVS mainframes), or text not being able to contain only numeric chars, etc... > I suppose > it depends on how big your resulting spreadsheets are going to be. > In my experience, though, the first thing that happens when you > deliver someone a summary spreadsheet is, they ask you for the raw > data so they can double-check it. At least they dont have to worry about their latest antivirus update! > > A > > -- -Achilleus ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match