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Transpose riddle

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    Transpose riddle

    Hi All
    A riddle within a mystery of an enigma. The code below runs fine on a Windows 7 PC. An exact copy of the application on a Windows XP PC yields an unhandled exception error. see attachment image. A5V9 Build 2095_3264 is installed on all the PC's. The script line in question: qry = tbl.query_create() .

    Code:
    'debug(1)
    dim tPoseTable as p
    dim tbl as p Added 16 Apr 2010
    tPoseTable = table.open("tpose")
    tbl = table.open("delsess")
    
    primTable = table.open("delgidlist")
    primtable.fetch_first()
    While .not. primtable.fetch_eof()
        vcurrentrec = primTable.Delegateoid
        dim tbl as p
        tbl.fetch_first()
        tbl.index_primary_put("Delgoidsessoid")
        
        query.description = "ActivitySheet"
        query.order = ""
        query.filter = "(DelegateOid = VAR->vcurrentrec) .and. (Void = .F. )"
        query.options = ""
        qry = tbl.query_create() 
        'nrecs = qry.records_get()
        dim vcounter as n
        vcounter = 1
            
        While .not. tbl.fetch_eof()    ' START INNER LOOP
            '------------------------
            if vcounter = 1 then
                tPoseTable.enter_begin()
                'enter field values
                tPoseTable.Delegateoid = tbl.Delegateoid
                tPoseTable.DTitle = tbl.DTitle
                tPoseTable.DInitials = tbl.Initials
                tPoseTable.Dname = tbl.dname
                tPoseTable.Dsurname  = tbl.Dsurname
                tPoseTable.Company = tbl.Company
                tPoseTable.Country = tbl.Country
                tPoseTable.Activity1 = tbl.Sessdesc
                tPoseTable.enter_end(.T.)
            elseif vcounter = 2 then
                tposetable.index_primary_put("DelegateOid")
                recfound = tposetable.fetch_find(vcurrentrec)
                IF recfound > 0 THEN
                    tPoseTable.change_begin()
                    tPoseTable.Activity2 = tbl.Sessdesc
                    tPoseTable.change_end(.T.)
                end if    
            elseif vcounter = 3 then
                tposetable.index_primary_put("DelegateOid")
                recfound = tposetable.fetch_find(vcurrentrec)
                IF recfound > 0 THEN
                    tPoseTable.change_begin()        
                    tPoseTable.Activity3 = tbl.Sessdesc
                    tPoseTable.change_end(.T.)            
                end if    
            elseif vcounter  = 4 then
                tposetable.index_primary_put("DelegateOid")
                recfound = tposetable.fetch_find(vcurrentrec)
                IF recfound > 0 THEN
                    tPoseTable.change_begin()                
                    tPoseTable.Activity4 = tbl.Sessdesc
                    tPoseTable.change_end(.T.)            
                end if    
            elseif vcounter  = 5 then
                tposetable.index_primary_put("DelegateOid")
                recfound = tposetable.fetch_find(vcurrentrec)
                IF recfound > 0 THEN
                    tPoseTable.change_begin()                
                    tPoseTable.Activity5 = tbl.Sessdesc
                    tPoseTable.change_end(.T.)            
                end if        
            elseif vcounter  = 6 then
                tposetable.index_primary_put("DelegateOid")
                recfound = tposetable.fetch_find(vcurrentrec)
                IF recfound > 0 THEN
                    tPoseTable.change_begin()                
                    tPoseTable.Activity6 = tbl.Sessdesc
                    tPoseTable.change_end(.T.)            
                end if            
            elseif vcounter  = 7 then
                tposetable.index_primary_put("DelegateOid")
                recfound = tposetable.fetch_find(vcurrentrec)
                IF recfound > 0 THEN
                    tPoseTable.change_begin()                
                    tPoseTable.Activity7 = tbl.Sessdesc
                    tPoseTable.change_end(.T.)            
                end if                
            elseif vcounter  = 8 then
                tposetable.index_primary_put("DelegateOid")
                recfound = tposetable.fetch_find(vcurrentrec)
                IF recfound > 0 THEN
                    tPoseTable.change_begin()                
                    tPoseTable.Activity8 = tbl.Sessdesc
                    tPoseTable.change_end(.T.)            
                end if                
            end if
            '-------------------------
            vcounter = vcounter + 1        
            tbl.fetch_next()
        End While    ' END INNER LOOP
        primtable.fetch_next()
    End While
            tPoseTable.close()
            tbl.close()        
            primtable.close()
    Any pointers on this would be appreciated.
    Thanks
    Peter Gagiano

    #2
    Re: Transpose riddle

    1) data type of var->vCurrentrec ???

    2) Does setting the query options to "T" solve the problem?

    Comment


      #3
      Re: Transpose riddle

      Hi Tom

      Thank you for the help. It works like a charm. I set the query options to "T" as you suggested.

      Thanks
      Peter

      Comment


        #4
        Re: Transpose riddle

        Great! Check the help file discussion on the "options" parameter for

        <tbl>.query_create()

        Do you see how the "T" makes a difference?

        Comment


          #5
          Re: Transpose riddle

          Hi Tom

          Thank you for the pointer.
          Much appreciated

          Thanks
          Peter

          Comment


            #6
            Re: Transpose riddle

            Peter,

            Don't know if you've ever used the Select...Case...End Select command structure. It is sometimes more readable and usually faster.

            Here's your equivalent script using that structure.

            Code:
            dim tPoseTable as p
            dim tbl as p Added 16 Apr 2010
            tPoseTable = table.open("tpose")
            tbl = table.open("delsess")
            
            primTable = table.open("delgidlist")
            primtable.fetch_first()
            WHILE .not. primtable.fetch_eof()
            	vcurrentrec = primTable.Delegateoid
            	dim tbl as p
            	tbl.fetch_first()
            	tbl.index_primary_put("Delgoidsessoid")
            	
            	query.description = "ActivitySheet"
            	query.order = ""
            	query.filter = "(DelegateOid = VAR->vcurrentrec) .and. (Void = .F. )"
            	query.options = "T"
            	qry = tbl.query_create()
            	'nrecs = qry.records_get()
            	dim vcounter as n
            	vcounter = 1
            	
            	WHILE .not. tbl.fetch_eof()    ' START INNER LOOP
            		'------------------------
            		SELECT
            			CASE vcounter = 1 
            				tPoseTable.enter_begin()
            				'enter field values
            				tPoseTable.Delegateoid = tbl.Delegateoid
            				tPoseTable.DTitle = tbl.DTitle
            				tPoseTable.DInitials = tbl.Initials
            				tPoseTable.Dname = tbl.dname
            				tPoseTable.Dsurname  = tbl.Dsurname
            				tPoseTable.Company = tbl.Company
            				tPoseTable.Country = tbl.Country
            				tPoseTable.Activity1 = tbl.Sessdesc
            				tPoseTable.enter_end(.T.)
            				
            			CASE vcounter = 2 
            				tposetable.index_primary_put("DelegateOid")
            				recfound = tposetable.fetch_find(vcurrentrec)
            				IF recfound > 0 THEN
            					tPoseTable.change_begin()
            					tPoseTable.Activity2 = tbl.Sessdesc
            					tPoseTable.change_end(.T.)
            				END IF
            			CASE  vcounter = 3 
            				tposetable.index_primary_put("DelegateOid")
            				recfound = tposetable.fetch_find(vcurrentrec)
            				IF recfound > 0 THEN
            					tPoseTable.change_begin()
            					tPoseTable.Activity3 = tbl.Sessdesc
            					tPoseTable.change_end(.T.)
            				END IF
            				
            			CASE vcounter  = 4 
            				tposetable.index_primary_put("DelegateOid")
            				recfound = tposetable.fetch_find(vcurrentrec)
            				IF recfound > 0 THEN
            					tPoseTable.change_begin()
            					tPoseTable.Activity4 = tbl.Sessdesc
            					tPoseTable.change_end(.T.)
            				END IF
            				
            			CASE vcounter  = 5 
            				tposetable.index_primary_put("DelegateOid")
            				recfound = tposetable.fetch_find(vcurrentrec)
            				IF recfound > 0 THEN
            					tPoseTable.change_begin()
            					tPoseTable.Activity5 = tbl.Sessdesc
            					tPoseTable.change_end(.T.)
            				END IF
            				
            			CASE vcounter  = 6 
            				tposetable.index_primary_put("DelegateOid")
            				recfound = tposetable.fetch_find(vcurrentrec)
            				IF recfound > 0 THEN
            					tPoseTable.change_begin()
            					tPoseTable.Activity6 = tbl.Sessdesc
            					tPoseTable.change_end(.T.)
            				END IF
            				
            			CASE vcounter  = 7 
            				tposetable.index_primary_put("DelegateOid")
            				recfound = tposetable.fetch_find(vcurrentrec)
            				IF recfound > 0 THEN
            					tPoseTable.change_begin()
            					tPoseTable.Activity7 = tbl.Sessdesc
            					tPoseTable.change_end(.T.)
            				END IF
            				
            			CASE  vcounter  = 8 
            				tposetable.index_primary_put("DelegateOid")
            				recfound = tposetable.fetch_find(vcurrentrec)
            				IF recfound > 0 THEN
            					tPoseTable.change_begin()
            					tPoseTable.Activity8 = tbl.Sessdesc
            					tPoseTable.change_end(.T.)
            				END IF
            		END SELECT
            		
            		'-------------------------
            		vcounter = vcounter + 1
            		tbl.fetch_next()
            	END WHILE    ' END INNER LOOP
            	primtable.fetch_next()
            END WHILE
            tPoseTable.close()
            tbl.close()
            primtable.close()
            There can be only one.

            Comment


              #7
              Re: Transpose riddle

              Hi Stan

              Thank you for your input. The Select...Case...End Select command structure makes the picture much clearer. I think it would be better to use this structure than the If....else...end if structure where one has a fairly large amount of conditions to test. Am I right in making this assumption?

              Thanks
              Peter

              Comment


                #8
                Re: Transpose riddle

                My memory was that Select...Case was supposed to be faster but Ira says they are effectively the same.

                Code:
                While the [URL="http://msgboard.alphasoftware.com/alphaforum/showthread.php?t=77228"]select case[/URL] (which effectively is the same as IF-ELSE IF-END IF construct in speed)
                So I'd go with Select...Case solely for clarity.
                There can be only one.

                Comment


                  #9
                  Re: Transpose riddle

                  Stan

                  I would then opt for the latter option.

                  Thanks
                  Peter

                  Comment

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