mini\Database\VirtualDatabase::collectAggregateInfos()
Method
private
Signature
private function collectAggregateInfos(array $columns): arrayParameters
| Name | Type | Default | Description |
|---|---|---|---|
$columns |
array |
required | Documentation missing |
Returns
array
Documentation
Collect aggregate function info from SELECT columns
Returns array of aggregate info with keys:
- name: output column name
- step: step callback
- final: final callback
- args: argument AST nodes
- context: initial null context (to be mutated)