I am unable to view postgis data when using the data interoperability 
extension. 
Using: 
ArcGIS Desktop 10 Service Pack 2 Build 3200 
Data Interoperability Extension Build 6233 
This is the error message I get: 
Error executing SQL query ('SELECT BOX3D(extent("the_geom")) FROM 
"mdb"."PROV2011_proposed"'): 'ERROR:  function box3d(box3d_extent) is 
not unique 
LINE 1: SELECT BOX3D(extent("the_geom")) FROM 
"mdb"."PROV2011_propos... 
               ^ 
HINT:  Could not choose a best candidate function. You might need to 
add explicit type casts. 
Below is the complete log: 
2011-05-31 16:55:26|   0.1|  0.0|INFORM|Data Interoperability 
(20101013 - Build 6233 - WIN32) 
2011-05-31 16:55:26|   0.1|  0.0|INFORM|Feature Manipulation Engine 
2010 SP3 (ESRI DESKTOP) (Build 6233) 
2011-05-31 16:56:38|  10.7| 10.6|INFORM|Loaded module 'POSTGIS' from 
file 'C:\Program Files (x86)\ESRI\Data Interoperability Extension 
\plugins/postgis/POSTGIS.dll' 
2011-05-31 16:56:38|  10.7|  0.0|INFORM|FME API version of module 
'POSTGIS' matches current internal version (3.6 20090807) 
2011-05-31 16:56:38|  10.7|  0.0|INFORM|Opening POSTGIS reader for 
dataset 'geodb' 
2011-05-31 16:56:43|  12.0|  1.3|INFORM|PostgreSQL 8.4.8 on x86_64-pc- 
linux-gnu, compiled by GCC gcc-4.5.real (Ubuntu/Linaro 4.5.2-8ubuntu4) 
4.5.2, 64-bit 
2011-05-31 16:56:43|  12.0|  0.0|INFORM|1.5 USE_GEOS=1 USE_PROJ=1 
USE_STATS=1 
2011-05-31 16:56:45|  12.0|  0.0|INFORM|PostGIS client encoding: 
'LATIN1' 
2011-05-31 16:56:45|  12.0|  0.0|INFORM|Using Dynamic Reader 
$Revision: 62876 $ ( $Date: 2009-08-27 11:28:55 -0700 (Thu, 27 Aug 
2009) $ ) with module POSTGIS to read data from dataset `geodb' 
2011-05-31 16:56:48|  12.0|  0.0|INFORM|Reading POSTGIS table: 
'mdb.PROV2011_proposed'... 
2011-05-31 16:56:51|  13.3|  1.3|INFORM|FME Configuration: Source 
coordinate system for reader R_1[POSTGIS] set to `EPSG:4326' as read 
from input data 
2011-05-31 16:56:54|  15.5|  2.2|INFORM|Coordinate System `EPSG:4326' 
parameters: CS_NAME=`LL84' DESC_NM=`WGS84 datum, Latitude-Longitude; 
Degrees' DT_NAME=`WGS84' EPSG=`4326' GROUP=`LL' MAP_SCL=`1' PROJ=`LL' 
QUAD=`1' SCL_RED=`1' SOURCE=`Mentor Software' UNIT=`DEGREE' 
2011-05-31 16:56:54|  15.5|  0.0|INFORM|Coordinate System `EPSG:4326' 
as OGC Well Known Text: GEOGCS["WGS84 datum, Latitude-Longitude; 
Degrees",DATUM["WGS_1984",SPHEROID["World Geodetic System of 1984, GEM 
10C", 
6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],P RIMEM["Greenwich", 
0],UNIT["degree",0.0174532925199433],AUTHORITY["EPSG","4326"]] 
2011-05-31 16:56:54|  15.6|  0.1|INFORM|FME API version of module 
'POSTGIS' matches current internal version (3.6 20090807) 
2011-05-31 16:56:54|  15.6|  0.0|INFORM|Opening POSTGIS reader for 
dataset 'geodb' 
2011-05-31 16:56:54|  15.6|  0.0|INFORM|PostgreSQL 8.4.8 on x86_64-pc- 
linux-gnu, compiled by GCC gcc-4.5.real (Ubuntu/Linaro 4.5.2-8ubuntu4) 
4.5.2, 64-bit 
2011-05-31 16:56:54|  15.6|  0.0|INFORM|1.5 USE_GEOS=1 USE_PROJ=1 
USE_STATS=1 
2011-05-31 16:56:54|  15.6|  0.0|INFORM|PostGIS client encoding: 
'LATIN1' 
2011-05-31 16:56:54|  15.6|  0.0|INFORM|Successfully closed POSTGIS 
database reader 
2011-05-31 16:56:54|  15.6|  0.0|INFORM|Merged 1 schema features read 
from 1 datasets into 1 resulting feature types 
2011-05-31 16:57:04|  17.0|  1.3|ERROR |Error executing SQL query 
('SELECT BOX3D(extent("the_geom")) FROM "mdb"."PROV2011_proposed"'): 
'ERROR:  function box3d(box3d_extent) is not unique 
LINE 1: SELECT BOX3D(extent("the_geom")) FROM 
"mdb"."PROV2011_propos... 
               ^ 
HINT:  Could not choose a best candidate function. You might need to 
add explicit type casts. 
' 
2011-05-31 16:57:05|  17.2|  0.2|INFORM|Reading POSTGIS table: 
'mdb.PROV2011_proposed'... 
2011-05-31 16:57:09|  20.2|  3.0|STATS | 
POSTGIS::__CollectionTest(TestFactory): Tested 10 input feature(s) -- 
0 feature(s) passed and 10 feature(s) failed 
2011-05-31 16:57:09|  20.2|  0.0|STATS | 
POSTGIS::__DeaggCollections(DeaggregateFactory): Split 0 input 
feature(s) into 0 point-in-polygon feature(s), 0 donut polygon(s), 0 
polygon(s), 0 line(s), 0 point(s), and 0 aggregate(s) 
2011-05-31 16:57:09|  20.2|  0.0|STATS | 
POSTGIS::__AggregateHomo(AggregateFactory): Combined 0 input 
feature(s) into 0 output feature(s), including 0 singleton(s) 
2011-05-31 16:57:14|  20.6|  0.5|INFORM|Reading POSTGIS table: 
'mdb.PROV2011_proposed'... 
2011-05-31 16:57:51|  33.9| 13.2|INFORM|... Last line repeated 10 
times ... 
2011-05-31 16:57:51|  33.9|  0.0|INFORM|Loaded module 'fmeprompter' 
from file 'fmeprompter.dll'