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Api array results to SQL

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    Api array results to SQL

    I have a xbasic script in my alpha anywhere application on alpha cloud. The script calls an API that brings back (for example purposes id, fname, lname.) an array of names. The array will always vary in size(rows) and sometimes it could be empty. I am using a list control to display the array. This all works. The question is how can I save the array to sql? I have been working on loops and the script looks very complicated and buggy. is there another way to do this or maybe help me write a better for loop that inserts each record into sql. The last caveat is to make sure the id of the record isnt already in the sql db. Any advice on how to best handle this?

    #2
    Do you truly have the data in a pointer type array? I think any sample work anyone provides here would benefit from this information.

    After that it's pretty simple. But this question first.

    -Steve
    sigpic

    Comment


      #3
      I believe I do. the pic is the body of the api result. The data I need for this call is in the value added. You can see 23 records. I dim apiResponse as p and apiData as P Note. I use json_flatten_singlerow)json_generate(apiData.added)) to view in the list control

      alphaexample.png ​
      Attached Files

      Comment


        #4
        I'm curious to know if you get an error executing the for/each loop.

        You might need to use json_parse against the apiData.added element.
        Gregg
        https://paiza.io is a great site to test and share sql code

        Comment


          #5
          I agree - it looks like the data is in apiData.added. If so, then this is a first rough cut that should give you a guide:

          Code:
          dim cn as sql::Connection
          dim args as sql::Arguments
          dim apiData as p
          
          sqlInsert = <<%a%
          INSERT INTO MyTable
          (field1, field2, field3...)
          values
          (:arg1, :arg2, :arg3...)
          WHERE NOT EXISTS
          ( SELECT 1
          FROM MyTable
          WHERE SomeKeyValue = :SomeKeyValue
          )
          %a%
          
          cn.open("::name::myconnection")
          
          for i = 1 to apiData.added.size()
          args.set("arg1", apiData.added[i].MyFirstValue)
          args.set("arg2", apiData.added[i].MySecondValue)
          ' etc.
          args.set("SomeKeyValue", apiData.added[i].whateverKeyIsYouNeedHere)
          cn.execute(sqlInsert, args)
          next i
          
          cn.FreeResult()
          cn.close()
          ​
          -Steve
          sigpic

          Comment


            #6
            Oh I see. for i=1 to size() not a for each loop. This script works when I remove the WHERE NOT EXISTS. Any advice on how I can make sure that roundUpId isnt already in the table? I will add a where clause to the select statement but it will still pull back more then 1 row to match against

            sql = <<%a%
            INSERT INTO dbo.transaction_529
            (roundUpId,roundUpProcessingDate)
            VALUES
            (:roundUpId, GetDate())
            WHERE NOT exist(SELECT roundUpId FROM dbo.transaction_529)
            %a%

            for i = 1 to apiData.added.size()
            dim roundUpId as C
            roundUpId = apiData.added[i].transaction_id
            args.Set("roundUpId",roundUpId)
            p = xb.ptSQL("Connection1",sql,args,"","rs",.f.)
            next i​

            Comment


              #7
              The code below should work.
              The groundwork for error checking is there, but you would need to supply the details.
              Code:
              dim itsOpen as L
              dim itWorked as L
              dim sql as C
              dim addedArray[0] as P
              dim roundUpId as C
              dim exists as N
              
              sql = <<%a%
              INSERT INTO dbo.transaction_529
              (roundUpId,roundUpProcessingDate)
              VALUES
              (:roundUpId, GetDate())
              %a%
              itsOpen = cn.open("::name::Connection1")
              
              for each trans in addedArray
                  exists = -1
                  args.Set("roundUpId",trans.roundUpId)
                  exists = sql_lookup("::name::Connection1","dbo.transaction_529","roundUpId = :roundUpId","count(*)",args)    
                  if exists = 0 then
                      itWorked = cn.execute(sql,args)
                  end if
              next 'trans    
              
              if cn.isopen then
                  cn.close()
              end if​
              Gregg
              https://paiza.io is a great site to test and share sql code

              Comment


                #8
                Yes! Thank you Greg and Steve I learned a lot and it works.

                Comment


                  #9
                  glad to help j
                  Gregg
                  https://paiza.io is a great site to test and share sql code

                  Comment


                    #10
                    Honestly, I think you are slowing things down by checking for the value exists first.

                    So long as the roundupID is a unique key on the table, it won't add a second copy of it anyway.

                    So attempt the insert each time. If it doesn't insert because of a duplicate key, who cares?

                    Comment

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