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Event Aggregation
Rishabh edited this page Apr 7, 2015
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The group operation is meant to derive multi-level aggregation on events. This is assuming your events have proper fields that lend themselves to the aggregation operation. This operation also accepts filters to narrow down search scope.
- opcode - group (not_null) - Operation code for this analytics
- table - table_name (not-null) - Table on which analytics will be run
- filters - Array of filters (Optional) (default - no filters)
- nesting - Array of fields - Each field defines one level in grouping
The following example shows a group by query that shows distribution of all app load events across OS types and version breakup therein.
{
"opcode": "group",
"table": "test",
"filters": [
{
"field": "event",
"operator": "equals",
"value": "APP_LOAD"
}
],
"nesting": [
"os",
"version"
]
}
{
"opcode": "group",
"result": {
"android": {
"3.2": 2019,
"4.3": 299430,
"4.4": 100000032023
},
"ios": {
"6": 12281,
"7": 23383773637
}
}
}