Grammar

update Operation Grammar

(What is this notation?)

update{ columns}

    [ .where{ rowValueCondition} ]

    [ .at(CommonUpdateAtFunctionDoc.RowIndicesParam)]

    [ .notNull()]

    .with{ rowExpression}

    | .notNull{ rowExpression}

    | .perCol{ ExpressionsGivenColumn.ColumnExpression.WithExample}

    | .perRowCol{ rowColExpression}

    | .withNull()

    | .withZero()

    | .asFrame{ dataFrameExpression}