id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
4190	ogr2ogr -f GPX doesn't work with -sql, claims unknown geometry type	tbnorth	warmerdam	"ogr2ogr --version
GDAL 1.8.0, released 2011/01/12

GPX driver gives

{{{
ogr2ogr -f gpx del.gpx  PG:""XXX"" -sql 'select pointid as name, st_transform(geom,4326) from coord'
ERROR 6: Cannot create GPX layer sql_statement with unknown geometry type
ERROR 1: Terminating translation prematurely after failed
}}}

this works:

ogr2ogr -f gpx del.gpx  PG:""XXX"" coord

but *only* if coord has an entry in geometry_columns

According to http://www.gdal.org/ogr/drv_gpx.html you should be able to use -sql to remap field names, so this might be a regression
"	defect	closed	normal		default	1.8.0	normal	invalid