Influxdb: GROUP BY requires at least one aggregate function

[meriemaboudi]

While executing this query :
Query queryObject = new Query("Select * from metric where \"name\" = "+"'"+nameMetric+"' and time >= '"+fD+"' AND time <= '"+tD+"' GROUP BY time(12m)" , dbName);

I'm getting this error:
Exception in thread "main" org.influxdb.InfluxDBMapperException: InfluxDB returned an error with Series: GROUP BY requires at least one aggregate function

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