Add option to postgres provider to drop length constraints on character fields
Make PostgreSQL lowercaseFieldNames option behave correctly with primary key field names
[processing] Add option to Import into PostGIS algorithm to drop length constraints on character fields
[processing] Add optional parameter for specifying the primary key field in Import to PostGIS algorithm
[processing] Some fixes to handling of uppercase/lowercase geometry column names
Merge pull request #1375 from nyalldawson/processing_postgis2

Some postgresql provider and PostGIS-related processing improvements and fixes (v2)