Hi all: using 7.0.2 against a PostgreSQL 9.3/PostGIS 2.2 instance we're getting 
query errors.

I've posted a Gist at [1] to help in reporting.  Note that this functionality 
used to work in 6.4.x.

From the migration guides it doesn't look like much has changed w.r.t. PostGIS 
syntax in
the mapfile.  Any idea what could be going on here?  It looks like the query 
that is constructed
by mappostgis.c is something like:

select 
"stn_nam","avg_wnd_dir_10m_mt58_60","avg_wnd_spd_10m_mt58_60_symbol","air_temp","stn_pres","mslp","dwpt_temp","rel_hum","observation_qa_summary","observation_qa_problem_summary",encode(ST_AsBinary(ST_Force2D("the_geom"),'NDR'),'hex')
 as geom,"data_payload_id" from (select * from data_mart_ca_live order by 
instance_datetime desc) as subquery where the_geom && 
ST_GeomFromText('POLYGON((-127.881959628204 63.7547758989546,-127.881959628204 
70.5833900726923,-103.751686743445 70.5833900726923,-103.751686743445 
63.7547758989546,-127.881959628204 63.7547758989546))',4326) and ()

Note the trailing "()".  When I remove the "()" and try direct in psql, the 
query works.

Any idea what could be going on here?

Thanks

..Tom

[1] https://gist.github.com/tomkralidis/26cb7214e282c144ba61598116d458e7
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