fwolf / fwlib

		}

		// PK and col name all convert to array

		if (!is_array($m_pk)) {

			if (is_string($m_pk))

				$m_pk = StrToArray($m_pk, ',');

			else

				$m_pk = array($m_pk);

		}

		if (!is_array($col_pk)) {

			if (is_string($col_pk))

				$col_pk = StrToArray($col_pk, ',');

			else

				$m_pk = array($m_pk);

		}

		if (!is_array($col_pk)) {

			if (is_string($col_pk))

				$col_pk = StrToArray($col_pk, ',');

			else

				$col_pk = array($col_pk);

		}

		// $col_pk need to be array same count with $m_pk

		if (count($m_pk) != count($col_pk)) {

		if ('*' == $col)

			// Drop uppercased index

			$col = array_values($this->GetMetaColumnName($s_tbl));

		if (!is_array($col)) {

			if (is_string($col))

				// String split by ',', style 'col AS col_alias' allowed

				$col = StrToArray($col, ',');

			else

				$col = array($col);

		}

		// $m_pk, $col, $col_pk all converted to array