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Show Results of Xbasic SQL Query in UX

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  • #16
    Re: Show Results of Xbasic SQL Query in UX

    rs = cn.ResultSet
    msg = rs.ToJSONObjectSyntax()
    msg = "wineTastingCallback(["+strtran(msg,crlf(),",")+"]);"
    I am send this as JSONP to a ajaxcallback cross domain
    if you think about it and remove the script
    (["+strtran(msg,crlf(),",")+"]
    I am only doing this.
    why you need so much work? please let me know so I understand the complexity.
    thanks for reading

    gandhi

    version 11 3381 - 4096
    mysql backend
    http://www.alphawebprogramming.blogspot.com
    ggandhi344@gmail.com
    Skype:ggandhi344@gmail.com
    1 914 924 5171

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    • #17
      Re: Show Results of Xbasic SQL Query in UX

      It basically returns a JSON string. BASICALLY. It still needs to be formatted correctly by changing the crlf's to commas. I need cnt but you're right that I didn't need:

      Code:
      for i = 1 to cnt
      results = results + word(result,i,chr(13)) + crlf()
      next
      That was a left over artifact that needed to be cleaned up by changing the previous line to:

      Code:
      results = "[" + results
      So that saves some time. I'm working on adding a timer to the JavaScript portion right now to see the time it takes to execute the server side code vs the time it takes to execute the client side code.

      Comment


      • #18
        Re: Show Results of Xbasic SQL Query in UX

        a.h
        why you need to parse the object in the xbasic?
        can you show what is returned ( even truncated in the middle)?
        thanks for reading

        gandhi

        version 11 3381 - 4096
        mysql backend
        http://www.alphawebprogramming.blogspot.com
        ggandhi344@gmail.com
        Skype:ggandhi344@gmail.com
        1 914 924 5171

        Comment


        • #19
          Re: Show Results of Xbasic SQL Query in UX

          So, that portion of the code looks like this now:

          (commented for clarity of why I'm doing stuff)

          Code:
          result = rs.ToJSONObjectSyntax()
          'Get the count to let users know how many rows affected
          cnt = w_count(result,chr(13))
          'add a bracket to the front of the result for proper formatting.
          results = "[" + result
          'change the crlf delimited list to comma delimited.  Otherwise javascript doesn't like the line breaks
          results = crlf_to_comma(results)
          'escape the javascript senistive stuff in the results like single quotes that may be in the sql stuff returned  WHY DOESNT .ToJSONObjectSyntax() DO THIS??!!
          results = js_escape(results)
          'the rest of the stuff below shouldn't take much time as it's just building a string for javascript code
          results = "var data = '" + results
          results = results + "]';" + crlf()+ "var obj = JSON.parse(data);"
          if columns[1] <> "" then
          clmcnt = columns.SIZE()
          	for i = 1 to clmcnt
          		inhtml = inhtml + "<th>" + columns[i] + "</th>"
          	next
          inhtml = inhtml + "</tr>'"
          results = results  + crlf() + "var inhtml = " + inhtml + crlf() + "for (i = 0; i <"+cnt+"; i++){" + crlf() + "inhtml = inhtml + '<tr><td>' + i +'</td>"
          	for i = 1 to clmcnt
          		results = results + "<td>' + obj[i]."+columns[i]+"+'</td>"
          	next
          results = results + "</tr>'" + ";" + crlf() + "}"+ crlf() + "inhtml = inhtml + '</tr></table>';" + crlf() + "$('RESULTS').innerHTML= inhtml;"
          end if
          Originally posted by GGandhi View Post
          a.h
          why you need to parse the object in the xbasic?
          can you show what is returned ( even truncated in the middle)?
          The very first code I pasted is what the xbasic returns to the browser.

          Comment


          • #20
            Re: Show Results of Xbasic SQL Query in UX

            counterintuitive!
            you have the resultset and the data is available as data(1) or data("name")
            you are converting to an object and parsing in xbasic?!?
            Last edited by GGandhi; 05-18-2015, 11:56 AM.
            thanks for reading

            gandhi

            version 11 3381 - 4096
            mysql backend
            http://www.alphawebprogramming.blogspot.com
            ggandhi344@gmail.com
            Skype:ggandhi344@gmail.com
            1 914 924 5171

            Comment


            • #21
              Re: Show Results of Xbasic SQL Query in UX

              Inefficient. I need to return ALL ROWS that the query returns. Looping through the result set (rs.data(1) etc.) is even slower than what I'm doing above. That's why I'm doing this in the first place. For speed.

              Comment


              • #22
                Re: Show Results of Xbasic SQL Query in UX

                you are still looping thru after the parsing so there is speed break.
                show a partial resultset and I can understand better to see any improvement can be done. or may be you are right to start with anyway.
                thanks for reading

                gandhi

                version 11 3381 - 4096
                mysql backend
                http://www.alphawebprogramming.blogspot.com
                ggandhi344@gmail.com
                Skype:ggandhi344@gmail.com
                1 914 924 5171

                Comment


                • #23
                  Re: Show Results of Xbasic SQL Query in UX

                  you don't need the count, obj.length will be sufficient.

                  result = "["+strtran(result, crlf(),","+"]" will be sufficient for that portion of the code. where you are creating an array.
                  rstoJSONOject in version 11 is not right, in my opinion. you need to rework it.
                  once the object is built you don't parse it in xbasic do it in javascript.
                  again you don't need column count that can be done itself.
                  thanks for reading

                  gandhi

                  version 11 3381 - 4096
                  mysql backend
                  http://www.alphawebprogramming.blogspot.com
                  ggandhi344@gmail.com
                  Skype:ggandhi344@gmail.com
                  1 914 924 5171

                  Comment


                  • #24
                    Re: Show Results of Xbasic SQL Query in UX

                    Originally posted by GGandhi View Post
                    you are still looping thru after the parsing so there is speed break.
                    show a partial resultset and I can understand better to see any improvement can be done. or may be you are right to start with anyway.
                    I'm only looping through the columns, not the rows so it's not like I'm going through the whole result set. After it get's to the client side, yes, I'm looping through in JavaScript to build the HTML. In Post #5 above, you will find a result of my Xbasic code. I can give you another one if you want. Maybe I'm not understanding what you want.

                    Comment


                    • #25
                      Re: Show Results of Xbasic SQL Query in UX

                      okay when i get home tonight i will show how i did with your sample you gave in the first post.
                      if you want me to work a large data send it thru pm. i will download and process that and post back to via pm.
                      thanks for reading

                      gandhi

                      version 11 3381 - 4096
                      mysql backend
                      http://www.alphawebprogramming.blogspot.com
                      ggandhi344@gmail.com
                      Skype:ggandhi344@gmail.com
                      1 914 924 5171

                      Comment


                      • #26
                        Re: Show Results of Xbasic SQL Query in UX

                        Ok, I used obj.length as you suggested. I also commented out the cnt portion of the code. It didn't make too much difference on the server side but it's definitely a better solution. The biggest difference was the first for loop that you reminded me to take out.

                        Anyway, now it seems like the html rendering is the slow point. Maybe I'll try rendering the Inner html a row at a time similar to what MSSQL server does to keep the user entertained....LOL

                        I think I might have to figure out how to paginate the data.

                        Anyone have any ideas on the HTML rendering?

                        Sigh, this is why a list control would be so nice if it could be made to render dynamic columns.
                        Last edited by -Jinx-; 05-18-2015, 01:17 PM.

                        Comment


                        • #27
                          Re: Show Results of Xbasic SQL Query in UX

                          okay here I have shown two videos

                          ajax callback to grid done entirely thru alpha five
                          http://screencast.com/t/jekFBjXqBEy0

                          alpha five to emit the json data and the angularjs to pick up and process the data ( done cross site HTTP)
                          http://screencast.com/t/zBeB8q9YV9Zr

                          hope you like them
                          good luck with your project.
                          edit:
                          here is the screencast for the angular_itemsCallback.a5w that is in the server which emits the json object array for angularjs to pick up.
                          http://screencast.com/t/Qt9i0FsZt
                          Last edited by GGandhi; 05-19-2015, 09:28 PM.
                          thanks for reading

                          gandhi

                          version 11 3381 - 4096
                          mysql backend
                          http://www.alphawebprogramming.blogspot.com
                          ggandhi344@gmail.com
                          Skype:ggandhi344@gmail.com
                          1 914 924 5171

                          Comment


                          • #28
                            Re: Show Results of Xbasic SQL Query in UX

                            Thanks Gandhi,

                            I was busy with some other work the last day or so but I got back to it today a little. The HTML rendering is the only slow part now. Everything else seems to be nice and speedy. I also would like to figure out how to make my table columns resizable.

                            Anyway, here's a preview of what I've got.

                            http://screencast.com/t/M75SBdtnnUdm

                            I added an output to excel so that they can send the long queries out that way. It's funny that building a huge Excel file is faster than rendering the HTML

                            Comment


                            • #29
                              Re: Show Results of Xbasic SQL Query in UX

                              very nice.
                              thanks for reading

                              gandhi

                              version 11 3381 - 4096
                              mysql backend
                              http://www.alphawebprogramming.blogspot.com
                              ggandhi344@gmail.com
                              Skype:ggandhi344@gmail.com
                              1 914 924 5171

                              Comment


                              • #30
                                Re: Show Results of Xbasic SQL Query in UX

                                Sigh, this is why a list control would be so nice if it could be made to render dynamic columns.
                                A couple of years ago I started to build something like this for my work but got side tracked and picked it up yesterday. I ran into the same problem with the List Control rendering dynamic columns. I am working on trying to solve this, I will let you know if I find a solution.

                                BTW, this is a great thread between you and GGandhi.

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