JDatabaseQuery::unionDistinct

Add a query to UNION DISTINCT with the current query. Simply a proxy to Union with the Distinct clause.

Usage: $query->unionDistinct('SELECT name FROM #__foo')

Signature

public function unionDistinct(mixed
        $query,
            [string
        $glue = ''] )

Parameters

$query: The JDatabaseQuery object or string to union.
$glue: The glue by which to join the conditions.

Returns

mixed: The JDatabaseQuery object on success or boolean false on failure.