GETHISTORY
Parameters
| Order | Name | Type | Desc |
|---|---|---|---|
| 1 | points | point list | A list of points to get history for |
| 2 | options | map | A list containing query options |
Returns
Places a list of points onto the stack with history for each of the points.
Description
Gets history information for every point in the point list.
The map can (optionally) contain any of the following…
| Key | Default | Meaning |
|---|---|---|
| type | interp | The type of request - values include interp (interpolated), continue (interpolated data without preceeding values) and raw (raw data). |
| start | now - 1 days | The start time for the query, in UTC YYYY-MM-DD hh:mm:ss format |
| end | now | The end time for the query, in UTC YYYY-MM-DD hh:mm:ss format |
| grain | -100 | The number of seconds between samples (positive), or the number of samples in the returned data (ifnegative) |
Example
A('TE101') P('Temperature') POINTS { “start”: “2020-01-01 00:00:00”, “end”: “2020-01-02 00:00:00” } GETHISTORY
This function will return a point for Temperature on asset TE101, if such a point exists.