The input table must contain the columns described in the following table. The function ignores any additional columns, except those specified by the Accumulate argument, which it copies to the output table.
|Column Name||Data Type||Description|
|partition_column||Any||Column on which the input table is partitioned. Must appear in partition_expr. The input table has one or more such columns.|
|sort_column||Any||Column on which the input table is sorted. Must appear in order_by_expr. The input table has one or more such columns.|
|value_column||DOUBLE PRECISION||Column that contains the time series data.|