Use unspecified length varchar field for postgres.
Use unspecified length varchar field for postgres.

jonboiser/kolibri,christianmemije/kolibri,MingDai/kolibri,mrpau/kolibri,benjaoming/kolibri,MingDai/kolibri,DXCanas/kolibri,lyw07/kolibri,christianmemije/kolibri,benjaoming/kolibri,mrpau/kolibri,benjaoming/kolibri,christianmemije/kolibri,MingDai/kolibri,rtibbles/kolibri,jonboiser/kolibri,mrpau/kolibri,lyw07/kolibri,lyw07/kolibri,christianmemije/kolibri,jonboiser/kolibri,lyw07/kolibri,DXCanas/kolibri,rtibbles/kolibri,MingDai/kolibri,benjaoming/kolibri,learningequality/kolibri,DXCanas/kolibri,learningequality/kolibri,jonboiser/kolibri,indirectlylit/kolibri,learningequality/kolibri,mrpau/kolibri,rtibbles/kolibri,indirectlylit/kolibri,learningequality/kolibri,DXCanas/kolibri,rtibbles/kolibri,indirectlylit/kolibri,indirectlylit/kolibri