documentationobject_agg¶
Description¶
Returns one OBJECT per group. For each (key, value) input pair, the resulting object contains a key:value field. The key column needs to be string. Duplicate keys within a group result in an error, and input tuples with NULL key and/or value are ignored.
Return type¶
object
Domain¶
This is an aggregate function (aggregates rows over a group in aggregate verbs.)
This is a window function (calculates over a group of multiple input rows using windowing.)
Categories¶
Usage¶
object_agg( key, value )
Argument |
Type |
Required |
Multiple |
|---|---|---|---|
key |
string |
Required |
Only one |
value |
any |
Required |
Only one |
Examples¶
statsby clusterid, oa:object_agg(jobid, status), group_by(clusterid)
For each clusterid, return a JSON object containing the status of each jobid with the attached clusterid.