IFXQuery.h

Go to the documentation of this file.

#ifndef __DCL_INFORMIX_QUERY_H__
#define __DCL_INFORMIX_QUERY_H__    20030717
 
__DCL_BEGIN_NAMESPACE
 
// 2025.05.06
// DESCRIBE, STATEMENT_TYPE의 사용에서
// DESCRIBE OUTPUT, DESCRIBE INPUT으로 구현을 변경
#define __USE_STMT_TYPE     0
#define __SQ_UNKNOWN        -1
 
class IFXField;
class IFXParam;
 
class IFXQuery : public SQL::Query
{
    DECLARE_CLASSINFO(IFXQuery)
public:
    void setErrorStatus(SQL::Error _error, long _SQLCODE, 
            const wchar_t* _filename, int _line);
    void setErrorStatus(const ByteString& _message,
            const wchar_t* _filename, int _line);
 
    IFXConnection* conn() const;
 
protected:
    ByteString  __statementID;
    ByteString  __cursorID;       // for SELECT, INSERT
    
#if __USE_STMT_TYPE
    int             __stmtType;
#endif
    ifx_sqlda_t*    __inSQLDA;
    ifx_sqlda_t*    __outSQLDA;
    void*           __outBuffer;
    
    bool        __cursorDeclared;
    bool        __cursorOpened;
 
    IFXParam*   __params;
    IFXField*   __fields;
 
protected:
    bool reset();
    bool initFields();
    bool initParams(size_t _paramCount);
 
public:
    IFXQuery(IFXConnection* pConnection);
    virtual ~IFXQuery();
    virtual void __destroy();
    virtual bool __prepare(const char* _sql, size_t _sqllen,
            size_t _paramCount);
    virtual bool __execute();
    virtual bool __fetch();
 
    virtual bool __getField(size_t _index, SQL::Field** _fieldHandleOut);
    virtual bool __getParam(size_t _index, SQL::Param** _paramHandleOut);
};
 
inline void IFXQuery::setErrorStatus(SQL::Error _error, long _SQLCODE,    
        const wchar_t* _filename, int _line)
{
    conn()->setErrorStatus(
            _error,
            _SQLCODE,
            _filename,
            _line
            );
}
 
inline void IFXQuery::setErrorStatus(const ByteString& _message,
        const wchar_t* _filename, int _line)
{
    conn()->setErrorStatus(
            _message,
            _filename,
            _line
            );
}
 
inline IFXConnection* IFXQuery::conn() const
{ 
    return (IFXConnection*)Query::__connHandle; 
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_INFORMIX_QUERY_H__