[postgis-users] WKB to native geometry using BULK COPY

Ryan Proulx Ryan.Proulx at safe.com
Wed Mar 24 09:16:15 PST 2004

Any thoughts on this yet? Or is this just a really stupid question? I am open to suggestions on how to make transfering data in and out of PostGIS easier.


-----Original Message-----
From: Ryan Proulx 
Sent: March 4, 2004 16:02
To: PostGISUserGroup (E-mail)
Subject: [postgis-users] WKB to native geometry using BULK COPY


I am curious how I can use the COPY commands to insert literal geometry data. Currently this works with WKT by specifying the geometry as: 


However, I would like to do the same thing using WKB. Any ideas on how that might successfully be done? 

It seems I will have to get an SRID and a WKB geometry, in hex preferably, and combine the two to form a single hex literal to be inserted directly into a column of type GEOMETRY.

When I am using single INSERT statements instead of the COPY commands I use the 'geomfromwkb' function to combine the SRID and WKB hex string, so I guess what I really need to know is how this is accomplished and likely what the native underlying geometry looks like.


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