aviat4ion / Query

			. implode(',', $this->quoteIdent($fields))

			. ") VALUES (";

		foreach($data as $item)

		{

			// Quote string values

			$vals = array_map([$this, 'quote'], $item);

			// Add the values in the sql

			$sql .= $insertTemplate . implode(', ', $vals) . ");\n";

		}

		// End the block of SQL statements

		$sql .= "END";

		}

		$sql .= "SELECT " . implode(', ', $cols) . "\n";

		foreach($data as $union)

		{

			$vals = array_map([$this, 'quote'], $union);

			$sql .= "UNION SELECT " . implode(',', $vals) . "\n";

		}

		return [$sql, NULL];

	}