Next Function in Kusto Query | Kusto Query Language Tutorial (KQL) 2022

Topic: Next Function in Kusto Query Language

In this article, we are going to learn about next function in Kusto Query Language next returns the value of a column in a row that is at some offset following the current row in the serialize row set, Kusto Query Language is a powerful tool to explore your data and discover patterns, identify anomalies and outliers, create statistical modeling, and more. The query uses schema entities that are organized in a hierarchy similar to SQL's: databases, tables, and columns.

 //next() - Returns the value of a column in a row that is at some offset following the current row in a serialized row set.  
 //Syntax  
 //next(column)  
 //next(column, offset)  
 //next(column, offset, default_value)  
   
 //create Table and Insert Sample Data in Azure Data Explorer DB for Testing  
 .drop table TotalSale  
 .create table TotalSale (  
   id: int   
   ,SalePersonFName: string  
   ,SalePersonLName : string  
   ,ProductName : string  
   ,ItemsSold : int  
   ,SoldPrice :real  
   ,SoldDate: date  
   ,City : string  
   ,State : string  
   ,Country : string  
   ,Region : string  
   )  
        
      //Insert data  
       .ingest inline into table TotalSale <|  
 11,Tamara,Tony,Cell Phone,2,1200,2015-03-03,Frankfurt,Hesse,Germany,Europe  
 9,Petra,Henry,TV,10,5000,2015-04-08,Paris,Île-de-France,France,Europe  
 3,Christy,Ladson,TV,3,1600,2015-04-02,High Point,NC,USA,North America  
 7,Chirag,Patel,Cell Phone,5,1500,2015-06-23,AhmadAbad,Gujrat,India,Asia  
 2,M,Raza,Cell Phone,2,800,2015-07-15,Charlotte,NC,USA,North America  
 5,Najaf,Ali,Computer,1,300,2015-06-20,Karachi,Sindh,Pakistan,Asia  
 6,Sukhjeet,Singh,TV,2,900,2015-06-21,ChandiGar,Punjab,India,Asia  
 4,John,Rivers,Laptop,5,2400,2014-03-09,Jersey City,NJ,USA,North America  
 8,Aleena,Aman,Laptop,2,800,2015-05-25,Lahore,Punjab,Pakistan,Asia  
 10,Rita,Roger,Laptop,7,2100,2015-04-11,Paris,Île-de-France,France,Europe  
 1,Aamir,Shahzad,TV,1,700,2015-07-15,Charlotte,NC,USA,North America  
 12,aamir,Shahzad,TV,1,7000,2015-07-15,Charlotte,NC,USA,North America  
 10,Rita,Roger,Laptop,7,2100,2015-04-11,Paris,Île-de-France,France,Europe  
   
 //using next() to get next value from row  
 TotalSale  
 | order by id asc  
 | project id,SalePersonFName,SalePersonLName,next(id)   
   
   
 //using next() to get next value from row -- using offset  
 TotalSale  
 | order by id asc  
 | project id,SalePersonFName,SalePersonLName,next(id,2)   
   
 TotalSale  
 | order by id asc  
 | project id,SalePersonFName,SalePersonLName,next(SalePersonLName,2)   
   
 // using the third parameter to fill the blanks  
 TotalSale  
 | order by id asc  
 | project id,SalePersonFName,SalePersonLName,next(SalePersonLName,2)   
   
 TotalSale  
 | order by id asc  
 | project id,SalePersonFName,SalePersonLName,next(SalePersonLName,2,"Fill the Blanks")   
   
   
   
   
   
   
   
   

Video Demo: Next Function in Kusto Query | Kusto Query Language Tutorial (KQL) 2022