/*
 * PreparedQueryApplet.cpp 
 * Copyright (c) 2009 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/PerformanceCounter.h>

namespace SOL {

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

private:
    bool prepared;
    
public:
    /**
     * Constructor
     */
    PreparedQueryApplet(int argc, const TCHAR** argv)
        :ADOApplet(argc, argv)
    {
        prepared = false;
    }

public:
    ~PreparedQueryApplet()
    {
    }

public:
    void enablePrepared(const TCHAR* flag)
    {
        if (stricmp(flag, _T("true")) == 0) {
            prepared = true;
        } else {
            prepared = false;
        }
    }

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

        ADOCommand command;
        command.createInstance();
        command.putActiveConnection(connection.getConnectionPtr());
        command.putCommandText(_bstr_t("SELECT * FROM SolUser WHERE Age>20 AND Age<50 AND Nationality='USA'"));
           command.putCommandType(ADODB::adCmdText);
        command.putCommandTimeout(20);
        //Set Prepared property to be true or false
        command.enablePrepared(prepared);

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

        PerformanceCounter counter;
        counter.start();

        while(!recordset.getadoEOF()){
            printf("\n3 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 = field.getValue();
                    _bstr_t value = "";
                    COMTypeConverter converter;
                    converter.toString(variant, value);
                    printf(" %S=%S\n", (const wchar_t*)name, (const wchar_t*)value);
                }
            }    
            recordset.moveNext();
        }
        counter.stop();
        printf("4 Prepared Query(%d): Milliseconds %d took to do '%S'\n", 
            prepared,
            counter.getMilliseconds(),
            (const wchar_t*)command.getCommandText());
        
    }
};

}

// Console application starts here.
void _tmain(int argc, const TCHAR** argv)
{
    if (argc != 3) {    
        printf("Usage:%s <Connection.props file> <prepared(true/false)>\n", argv[0]);
        printf("%s Connection.props true\n", argv[0]);
        return;
    }

    try {

        PreparedQueryApplet queryApplet(argc, argv);
        queryApplet.enablePrepared(argv[2]);    
        queryApplet.start();

    } catch (Exception& ex){
        ex.dump();
    } catch (...) {
        printf("Exception:Unknown\n");
    }
}