Output schema of TimeSeries.materialize(...). The first column is
always time (regardless of input key kind — materialize emits one
row per sequence bucket sample point, time-keyed by design). Value
columns are widened to optional because empty buckets emit
undefined cells.
Output schema of
TimeSeries.materialize(...). The first column is alwaystime(regardless of input key kind — materialize emits one row per sequence bucket sample point, time-keyed by design). Value columns are widened to optional because empty buckets emitundefinedcells.