The following bug has been logged online:
Bug reference: 3339
Logged by: Dorofeev A.V.
Email address: Megadrofan@yandex.ru
PostgreSQL version: v8.2.4
Operating system: M$ Windows XP
Description: postgis astext() function returns broken string through
ODBC
Details:
This bug appears when i`m trying to represent as text binary geometry field
in postgis if the geometry is huge(200-300 vertexses) but it isn`t a postgis
bug because when i`m trying to view data in comand line trough psql (psql
-f test.sql -d postis) the geometry string is OK. But when i`m trying to
access geometry using ADOB i got a broken string.Test case and dicussion of
this bug on postgis bugtracker
http://postgis.refractions.net/bugs/bug.php?op=show&bugid=151&pos=23