id summary reporter owner description type status priority milestone component resolution keywords cc rd_points sprint story_priority 1638 OmeroTables improvements jamoore jmoore "From various discussions: * UUID in MaskColumn (or all columns) * theC in MaskColumn * general (ndim?) coordinate col. * length column (with unit?) * `ColumnsColumn` similar to `MaskColumn` * ""temporary table"" usage * Review #1591" story new major Unscheduled API cxallan