Fix for an issue with multicolumn primary keys (#5155)

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@26394 f0d54148-0727-0410-94bb-9a71ac55c965
MSSQL: Add support for handling non spatial data tables (#5155)

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@26395 f0d54148-0727-0410-94bb-9a71ac55c965