neuralib.sqlp.func_win

`window_def`
`row_number`
`rank`
`dense_rank`
`percent_rank`
`cume_dist`
`ntile`
`lag`
`lead`
`first_value`
`last_value`
`nth_value`

SQL window functions.

https://www.sqlite.org/windowfunctions.html https://www.sqlite.org/windowfunctions.html#built_in_window_functions