This is a field in my document:
"date_found": "2018-04-23T22:17:46.6387919+03:00"
My goal is to calculate some value from difference between two datetime fields (e.g. dt1 - dt2)
I running a script to perform such operation:
updateDescriptor.Script(a => a.Inline("ctx._source.lifetime = ctx._source.date_deleted - ctx._source.date_found"));
This operation results with the following error:
"Cannot apply [-] operation to types [java.lang.String] and [java.lang.String]."
How it is advised to perform operations on datetime fields?
             
            
               
               
               
            
            
           
          
            
              
                dadoonet  
                (David Pilato)
               
              
                  
                    June 13, 2018,  4:21am
                   
                   
              2 
               
             
            
              I don't remember by heart the syntax but I believe you need first to transform the date object to ms since epoch and then you can do a substraction.
Have a look at what are the available methods for a date type field.
             
            
               
               
               
            
            
           
          
            
            
              Can I perform such conversion as part of script execution? Where I can find list of available methods you are mentioning?
             
            
               
               
               
            
            
           
          
            
              
                roshni  
                (R_C)
               
              
                  
                    June 13, 2018,  5:40am
                   
                   
              4 
               
             
            
            
               
               
               
            
            
           
          
            
              
                dadoonet  
                (David Pilato)
               
              
                  
                    June 13, 2018,  6:05am
                   
                   
              5 
               
             
            
              On a mobile now but a quick search and I found
HTH
             
            
               
               
               
            
            
           
          
            
            
              On mobile now but from quick view it looks like what I need.
Thanks man
             
            
               
               
               
            
            
           
          
            
              
                system  
                (system)
                  Closed 
               
              
                  
                    July 11, 2018,  6:26am
                   
                   
              7 
               
             
            
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