Scalar FunctionsOther Functionsrow_numberCopy MarkdownReturns the current row number in the serialized row set.Syntax row_number() Returns: long Examples Example 1 datatable(weapon:string)[ "axe", "sword", "axe", "spear", "sword", "axe" ] | summarize count() by weapon | extend r = row_number() weapon (string)count_ (long)r (long)axe33spear12sword21row_cumsumCalculates the cumulative sum of a column in a serialized row set.row_rank_denseReturns the dense rank of a column in a serialized row set: the rank starts at 1 and increments by 1 each time the column value changes, with no gaps.