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)axe32spear11sword23percentile_tdigestCalculate the percentile from a t-digest representation.Introduction to Tabular OperatorsTabular operator overview and categories