SQLOperation.h

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/*
* This file is part of Project SkyFire https://www.projectskyfire.org.
* See LICENSE.md file for Copyright information
*/
 
#ifndef _SQLOPERATION_H
#define _SQLOPERATION_H
 
#include "QueryResult.h"
 
//- Forward declare (don't include header to prevent circular includes)
class PreparedStatement;
 
//- Union that holds element data
union SQLElementUnion
{
    PreparedStatement* stmt;
    const char* query;
};
 
//- Type specifier of our element data
enum SQLElementDataType
{
    SQL_ELEMENT_RAW,
    SQL_ELEMENT_PREPARED
};
 
//- The element
struct SQLElementData
{
    SQLElementUnion element;
    SQLElementDataType type;
};
 
//- For ambigious resultsets
union SQLResultSetUnion
{
    PreparedResultSet* presult;
    ResultSet* qresult;
};
 
class MySQLConnection;
 
class SQLOperation
{
public:
    SQLOperation() : m_conn(NULL) { }
    virtual int call()
    {
        Execute();
        return 0;
    }
    virtual bool Execute() = 0;
    virtual void SetConnection(MySQLConnection* con) { m_conn = con; }
    virtual ~SQLOperation() { }
 
    MySQLConnection* m_conn;
private:
    SQLOperation(SQLOperation const& right) = delete;
    SQLOperation& operator=(SQLOperation const& right) = delete;
};
 
#endif