Function datafusion::physical_plan::expressions::nullif_func

pub fn nullif_func(
    args: &[ColumnarValue]
) -> Result<ColumnarValue, DataFusionError>

Implements NULLIF(expr1, expr2) Args: 0 - left expr is any array 1 - if the left is equal to this expr2, then the result is NULL, otherwise left value is passed.