Aggregation Queries
Metric Aggregations
In GreptimeDB, metric aggregations are used to perform statistical calculations on numeric fields, such as sum, average, maximum, minimum, etc.
| Aggregation | Status | Description |
|---|---|---|
| sum | Aggregates to calculate the sum of numeric fields. | |
| avg | Aggregates to calculate the average of numeric fields. | |
| max | Aggregates to calculate the maximum value of numeric fields. | |
| min | Aggregates to calculate the minimum value of numeric fields. | |
| count | ✅ | Aggregates to calculate the number of documents. |
Bucket Aggregations
In GreptimeDB, bucket aggregations are used to group documents, such as bucketing by time, category, or other fields.
| Aggregation | Status | Description |
|---|---|---|
| date_histogram | ✅ | Aggregates to bucket by time fields. |
| terms | Aggregates to group by values of specified |