A Window is part of a window function specifying the window over which the function operates. It is separated from the WindowFunction class because it also can be used separately on some databases.
The options for this window. Options currently supported:
:frame |
if specified, should be :all, :rows, or a String that is used literally. :all always operates over all rows in the partition, while :rows excludes the current row's later peers. The default is to include all previous rows in the partition up to the current row's last peer. |
:order |
order on the column(s) given |
:partition |
partition/group on the column(s) given |
:window |
base results on a previously specified named window |
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