Min Wei

Add support for JOINing time series via "AS OF" time

22

For time series data, a powerful function is asof pioneered in kx/kdb, also being implemented by Pandas: http://pandas.pydata.org/pandas-docs/version/0.19.0/whatsnew.html#whatsnew-0190-enhancements-asof-merge It would be really cool if Timescaledb could support it natively instead...

### API Other ### Description Below is an example, The intent is to flatten (and reconstruct) nested data types. ``` kuzu> with '{"a": {"id": 1}, "b": {"id": 2}}' as data...

### API Other ### Description It would be to use alias in the same level ``` kuzu> with '{"a": {"id": 1}, "b": {"id": 2}}' as data with json_keys(data) as keys,...