column() public method
Executes the query and returns the first column of the result.
public array column ( $field, $db = null ) | ||
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$field | string |
The field to query over |
$db | yii\elasticsearch\Connection |
The database connection used to execute the query. If this parameter is not given, the |
return | array |
The first column of the query result. An empty array is returned if the query results in nothing. |
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