Effective ordered group-by column ids for a grouping config — columnIds (multi-criteria, issue #1790) when present, else the legacy single columnId. [] when the config only carries sum columns (or is absent).
columnIds
columnId
[]
Effective ordered group-by column ids for a grouping config —
columnIds(multi-criteria, issue #1790) when present, else the legacy singlecolumnId.[]when the config only carries sum columns (or is absent).