It looks like Mapnik depends on some pretty old PostGIS functions that are deprecated in PostGIS 2.0. The workaround is to load legacy.sql and legacy_compatibility_layer.sql.
yep, been meaning to get to this. thanks for the reminder. It is an easy fix (we already are using ST_ internally, just pulled back from using it by default for AsBinary because of performance oddities I saw long ago when first testing).
Awesome! Glad to hear that it's an easy fix. cc: @tokumine
postgis: support PostGIS 2.x - always use ST prefix (removing old tes…
…ting code) and fixup other debug output - closes #893 and closes #956
backport postgis 2.x fix to mapnik 2.0.x series branch - refs #956
also caught one last use of a deprecated function in 6dfb360, also backported to 2.0.x