wikimedia / mediawiki

		}

		$sequenceData = $this->getSequenceData( $destTable );

		if ( $sequenceData !== false &&

			!isset( $varMap[$sequenceData['column']] )

		) {

			$varMap[$sequenceData['column']] = 'GET_SEQUENCE_VALUE(\'' . $sequenceData['sequence'] . '\')';

		}

		// count-alias subselect fields to avoid abigious definition errors

		$i = 0;

		}

		$sequenceData = $this->getSequenceData( $table );

		if ( $sequenceData !== false ) {

			// add sequence column to each list of columns, when not set

			foreach ( $rows as &$row ) {

				if ( !isset( $row[$sequenceData['column']] ) ) {

					$row[$sequenceData['column']] =

						$this->addIdentifierQuotes( 'GET_SEQUENCE_VALUE(\'' .

							$sequenceData['sequence'] . '\')' );

				}

			}

		}

		return parent::upsert( $table, $rows, $uniqueIndexes, $set, $fname );

	}