mini\Database\VirtualDatabase::extractColumnNames()
Method
private
Signature
private function extractColumnNames(array $columns): ?arrayParameters
| Name | Type | Default | Description |
|---|---|---|---|
$columns |
array |
required | Documentation missing |
Returns
?array
Documentation
Extract simple column names from SELECT columns
Returns array of column names if all columns are simple identifiers, or null if any column is an expression or wildcard.