Frank, Can you list the statements supported by the WHERE clauses, like LIKE, IN and BETWEEN?
Is there a way to force through the SQL statement to the underlying database driver if required? On Mon, Aug 2, 2010 at 5:33 AM, Frank Warmerdam <warmer...@pobox.com> wrote: > Folks, > > With the support of Camp To Camp I have been working on an overhaul for the > OGR SQL parsing engine. The minimum goal was to support functions in the > column definitions for the output record set of a SELECT, but in order to > achieve this in a reasonable way I have worked towards a substantial > generalization of expression in OGR SQL and extending them to column > definitions. > > I have written up a preliminary RFC for review at: > > http://trac.osgeo.org/gdal/wiki/rfc28_sqlfunc > > I am seeking feedback before I polish it off and call for a vote this > week. > > I will note that in my local development tree I now have this overhauled > implementation working, including the autotest/ogr/{ogr_join_test.py, > ogr_sql_test.py,ogr_index_test.py} test scripts all passing without > alteration. > > Best regards, > -- > > ---------------------------------------+-------------------------------------- > I set the clouds in motion - turn up | Frank Warmerdam, > warmer...@pobox.com > light and sound - activate the windows | > http://pobox.com/~warmerdam<http://pobox.com/%7Ewarmerdam> > and watch the world go round - Rush | Geospatial Programmer for Rent > > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev > -- Best regards, Chaitanya kumar CH. /tʃaɪθənjə/ /kʊmɑr/ +91-9494447584 17.2416N 80.1426E
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