fwolf / fwlib

		// Do batch update or insert, prepare stmt first

		$sql = '';

		if ('U' == $mode) {

			$ar_conf = array(

				'UPDATE' => $tbl,

				'LIMIT' => 1,

				);

			foreach ($pk as $key) {

				// Primary key need remove from 'SET' clause

				// Actual value will assign later, do quote then.

				// :NOTICE: Remember to put pk data to end of row data when assign,

				//	because where clause is after set clause.

				$ar_conf['WHERE'][] = "$key = "

					. $this->Param($key);

				unset($ar_cols[array_search($key, $ar_cols)]);

			}

			// Convert array $ar_cols with to prepare param

			$ar_set = array();

			foreach ($ar_cols as $key)

				$ar_set[$key] = $this->Param($key);

			// Fin, assign 'SET' clause

			$ar_conf['SET'] = $ar_set;

		}

		elseif ('I' == $mode) {

			$ar_set = array();

			foreach ($ar_cols as $key) {

				$ar_set[$key] = $this->Param($key);

			}

			$ar_conf = array(

				'INSERT' => $tbl,

				'VALUES' => $ar_set,

				);

		}

		$sql = $this->GenSqlPrepare($ar_conf);

		/* Treat moved to  SqlGenerator

        }

        // Prepare sql

        if ('U' == $mode) {

            $sqlCfg = [

                'UPDATE' => $table,

                'LIMIT'  => 1,

            ];

            // Primary key cannot change, so exclude them from SET clause,

            // Here use prepare, actual value will assign later, do quote

            // then.

            // :NOTICE: Remember to put PK data to end of row data array when

            // assign actual value, because WHERE clause is after SET clause.

            foreach ($arPk as $key) {

                $sqlCfg['WHERE'][] = "$key = "

                    . $this->pdoParam($table, $key);

                unset($arCols[array_search($key, $arCols)]);

            }

            foreach ($arCols as $key) {

                $sqlCfg['SET'][$key] = $this->pdoParam($table, $key);

            }

        } elseif ('I' == $mode) {

            $arVal = [];

            foreach ($arCols as $key) {

                $arVal[$key] = $this->pdoParam($table, $key);

            }

            $sqlCfg = [

                'INSERT' => $table,

                'VALUES' => $arVal,

            ];

        }

        $sql = $this->getSqlGenerator()->getPrepared($sqlCfg);

        // @codeCoverageIgnoreStart

        if (empty($sql)) {