IFXQuery.h

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#ifndef __DCL_IFX_QUERY_H__
#define __DCL_IFX_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
 
// lvarchar 관련하여 __outSQLDA에서 ifx_var_ 이 동작하지 않아서
// ByteString::length()로 구현을 변경
#define __USE_IFX_VAR       0
 
class IFXField;
class IFXParam;
 
class IFXQuery : public SQL::Query
{
    DECLARE_CLASSINFO(IFXQuery)
public:
    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;
    char*           __outBuffer;
 
    bool        __cursorDeclared;
    bool        __cursorOpened;
 
    IFXParam*   __params;
    IFXField*   __fields;
 
protected:
    bool reset();
    bool initFields();
    bool initParams(size_t _paramCount);
 
public:
    IFXQuery(IFXConnection* _connection);
    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 IFXConnection* IFXQuery::conn() const
{ 
    return (IFXConnection*)Query::__connHandle; 
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_IFX_QUERY_H__