[IMP] orm: first draft of improvign group_by on date field, allowing to tune the grain, format and interval when grouping on a date field. Default behavior is the old one, grouping on month.
[IMP] orm: first draft of improvign group_by on date field, allowing to tune the grain, format and interval when grouping on a date field. Default behavior is the old one, grouping on month.
MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server