SOL9 Sample: RecordsetFilterApplet

SOL9 2.0 Samples

1 Screenshot


2 Source code

/*
 * RecordsetFilterApplet.cpp 
 * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// SOL9
// 2009/05/28
// Assumes that environment of SQL Server 2008 and SQLClient1.0 
// Please create a database 'Sample' for this example
// and following table 'SolUser'
/*
Create Table SolUser(
  ID int not NULL primary key,
  Name  varchar(255) not NULL,
  Sex   varchar(10),
  Age   int,
  Birthday  Date,
  Nationality varchar(255),
  Email varchar(255),
  Telephone varchar(128),
  Address varchar(255),
  Company varchar(255));
*/

#include <sol/sql/ADOApplet.h>
#include <sol/Locale.h>

namespace SOL {

/**
 * ADO applet subclass derived from SOL::ADOApplet class.
 */
class RecordsetFilterApplet: public ADOApplet {

public:
  /**
   * Constructor
   */
  RecordsetFilterApplet(int argc, const TCHAR** argv)
    :ADOApplet(argc, argv)
  {
  }

public:
  ~RecordsetFilterApplet()
  {
  }


public:
  /**
   * RecordsetFilterApplet main procedure
   */
  virtual void run()
  {
    printf("1 Start\n");
    ADOConnection connection = getConnection();

    try {
      _bstr_t useDatabase = "Use Sample";

      ADORecordset recordset;
      long recordsAffected = connection.execute(useDatabase, recordset);
      printf("OK, connection.execute(\"%S\") recordsAffected(%ld)\n",
        (const wchar_t*)useDatabase, recordsAffected);

    } catch (_com_error& e) {
      COMError error(e);
      error.dump();
    }

    ADOCommand command;
    command.createInstance();
    command.putActiveConnection(connection.getConnectionPtr());
    command.putCommandText(_bstr_t("SELECT * FROM SolUser;"));
       command.putCommandType(ADODB::adCmdText);
    command.putCommandTimeout(20);

    ADORecordset recordset;
    long recordsAffected = command.execute(recordset, NULL, ADODB::adCmdText);
    printf("2 OK, command.execute(\"%S\") recordsAffected(%ld)\n",
       (const wchar_t*)command.getCommandText(), recordsAffected);
    _bstr_t filter("ID=3000 OR ID=3001");

    recordset.putFilter(filter);
    printf("3 OK, recordset.putFiler(\"%S\")\n", (const wchar_t*)filter);
    _bstr_t gotFilter = (_bstr_t)recordset.getFilter();
    printf("4 OK, recordset.getFiler(): \"%S\"\n", (const wchar_t*)gotFilter);
    
    while(!recordset.getadoEOF()){
      printf("\n5 Matched record:\n");
      ADOFields colFields;
      recordset.getFields(colFields);
      long count = colFields.getCount();

      for (long i = 0; i<count; i++) {
        ADOField field;
        if (colFields.getItem(i, field)) {
          _bstr_t name = field.getName();

          //_variant_t variant = recordset.getCollect(name);
          _variant_t variant = field.getValue();

          _bstr_t value = "";
          COMTypeConverter converter;
          converter.toString(variant, value);
          printf("6 %S=%S\n", (const wchar_t*)name, (const wchar_t*)value);
        }
      }  
      recordset.moveNext();
    }
  }
};

}

// Console application starts here.
void _tmain(int argc, const TCHAR** argv)
{
  Locale locale;
  try {
    RecordsetFilterApplet filterApplet(argc, argv);
    filterApplet.start();
    
  } catch (Exception& ex){
    ex.dump();
  } catch (...) {
    printf("Exception:Unknown\n");
  }
}


Last modified: 2 May 2016

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