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Dave.

If I can't work with this I'm hanging up programming. :)

Thx much.
On Oct 16, 2017 5:45 PM, dlclark@xxxxxxxxxxxxxxxx wrote:

"RPG400-L" <rpg400-l-bounces@xxxxxxxxxxxx> wrote on 10/16/2017 04:56:36
PM:
Thx. Dave. You really make it sound easy. I'm not sure the code you
have provided me is necessary for my solution. But thx. I'll
eventually get it. I'd like to hear from others and any code
demonstrations would be nice. To back up the theory behind what you
explain. Because honestly there is a hell of a lot of concept
explained on this out there but not enough concrete examples. Write
my code for me?  Not hardly. I'm sure most of you learn best from
examples also.

        I threw this together and tested it in debug.  It fetched multiple
rows and the data was stored in the host_data array as expected.

**free
ctl-opt AlwNull(*USRCTL) DatFmt(*ISO) TimFmt(*ISO)
        DftActGrp(*NO) ActGrp(*CALLER)
        Debug Option(*SRCSTMT:*NODEBUGIO);

dcl-c  var_num     20;
dcl-s  sqlstmt     varchar(900)
                   inz('Select * from SHR460/ACSYAPPV02 +
                        where Application_Code > ''CO'' +
                        order by Application_Code, Abbreviation_Code'
                      );
dcl-s  idx         packed(3:0);
dcl-s  host_data   char(255) dim(var_num);
dcl-s  host_ind    packed(5:0) dim(var_num) inz(*zero);

dcl-ds MySqlVar_t  qualified template;
  Type             int(5:0);
  Len              int(5:0);
  Rsrvd            char(12);
  Info1            char(16);
    Data           pointer   overlay(Info1);
    Rslt_Loca      int(20:0) overlay(Info1);
  Info2            char(16);
    Ind            pointer   overlay(Info2);
    Row_Change     int(10:0) overlay(Info2);
    Rslt_Rows      int(10:0) overlay(Info2);
  NameLen          int(5:0);
  Name             char(30);
  ExtdVar          char(80)  pos(1);
  LongL            int(10:0) overlay(ExtdVar:1);
  RsvdL            char(28)  overlay(ExtdVar:*next);
  InfoL            char(16)  overlay(ExtdVar:*next);
    DataL          pointer   overlay(InfoL);
  TNameLen         int(5:0)  overlay(ExtdVar:*next);
  TName            char(30)  overlay(ExtdVar:*next);
end-ds;

dcl-ds MySqlDA     qualified based(MySqlDA_p);
  Id               char(8);
  Size             int(10:0);
  Ncnt             int(5:0);
  Dcnt             int(5:0);
  Var              likeds(MySqlVar_t) dim(var_num);
end-ds;

exec sql set option ALWBLK = *NONE, CLOSQLCSR = *ENDACTGRP,
                    COMMIT = *NONE, DATFMT = *ISO,  EXTIND = *YES,
                    LANGID = ENU,   SRTSEQ = *HEX,
                    NAMING = *SYS,  USRPRF = *USER;

exec sql declare DLCTEST_Cursor
         cursor for DLCTEST_Stmt;

MySqlDA_p = %alloc(%size(MySqlDA));
MySqlDA.Size = %size(MySqlDA);
MySqlDA.Ncnt = %elem(MySqlDA.Var);

exec sql prepare DLCTEST_Stmt
         into :MySqlDa
         using system names
         from :sqlstmt;
if sqlcode <> 0;
  return;
endif;

for idx = 1 to MySqlDA.Dcnt;
  MySqlDA.Var(idx).Data = %addr(host_data(idx));
  MySqlDA.Var(idx).Ind  = %addr(host_ind(idx));
endfor;

exec sql open DLCTEST_Cursor;
if sqlcode <> 0;
  return;
endif;

DoW sqlcode = 0;
  exec sql fetch next from DLCTEST_Cursor
           using descriptor :MySqlDa;
  if sqlcode = 0;
    // process sql fetched cursor and put values in a host ds
  endif;
enddo;

return;


Sincerely,

Dave Clark
--
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direct: (937) 531-6378
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Winsupply Group Services
3110 Kettering Boulevard Dayton, Ohio 45439  USA
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