Created
May 28, 2015 18:39
-
-
Save GreenRover/699e419de7b178e01c20 to your computer and use it in GitHub Desktop.
Cassandra aggragation trigger
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
update sensor_data_aggregated_hour_min | |
set min_value=sensor_data.value, | |
min_timestamp=sensor_data.timestamp | |
where | |
sensor=sensor_data.sensor | |
and aggregation='hour' | |
and timestamp=DATE_FORMAT(sensor_data.timestamp, '%Y-%m-%d %H:00:00+0200'); | |
if sensor_data.value<min_value; | |
update sensor_data_aggregated_hour_max | |
set max_value=sensor_data.value, | |
max_timestamp=sensor_data.timestamp | |
where | |
sensor=sensor_data.sensor | |
and aggregation='hour' | |
and timestamp=DATE_FORMAT(sensor_data.timestamp, '%Y-%m-%d %H:00:00+0200'); | |
if sensor_data.value>max_value; | |
update sensor_data_aggregated_day_min | |
set min_value=sensor_data.value, | |
min_timestamp=sensor_data.timestamp | |
where | |
sensor=sensor_data.sensor | |
and aggregation='day' | |
and timestamp=DATE_FORMAT(sensor_data.timestamp, '%Y-%m-%d 00:00:00+0200'); | |
if sensor_data.value<min_value; | |
update sensor_data_aggregated_day_max | |
set max_value=sensor_data.value, | |
max_timestamp=sensor_data.timestamp | |
where | |
sensor=sensor_data.sensor | |
and aggregation='day' | |
and timestamp=DATE_FORMAT(sensor_data.timestamp, '%Y-%m-%d 00:00:00+0200'); | |
if sensor_data.value>max_value; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment