ora_context.h

ORACLE数据库的批量插入例子

#ifndef ORA_CONTEXT_H
#define ORA_CONTEXT_H

/* Result Sets Interface */
#ifndef SQL_CRSR
#  define SQL_CRSR
  struct sql_cursor
  {
    unsigned int curocn;
    void *ptr1;
    void *ptr2;
    unsigned long magic;
  };
  typedef struct sql_cursor sql_cursor;
  typedef struct sql_cursor SQL_CURSOR;
#endif /* SQL_CRSR */

/* Thread Safety */
typedef void * sql_context;
typedef void * SQL_CONTEXT;

/* Object support */
struct sqltvn
{
  unsigned char *tvnvsn; 
  unsigned short tvnvsnl; 
  unsigned char *tvnnm;
  unsigned short tvnnml; 
  unsigned char *tvnsnm;
  unsigned short tvnsnml;
};
typedef struct sqltvn sqltvn;

struct sqladts
{
  unsigned int adtvsn; 
  unsigned short adtmode; 
  unsigned short adtnum;  
  sqltvn adttvn[1];       
};
typedef struct sqladts sqladts;

static struct sqladts sqladt = {
  1,1,0,
};

/* Binding to PL/SQL Records */
struct sqltdss
{
  unsigned int tdsvsn; 
  unsigned short tdsnum; 
  unsigned char *tdsval[1]; 
};
typedef struct sqltdss sqltdss;
static struct sqltdss sqltds =
{
  1,
  0,
};

/* File name & Package Name */
struct sqlcxp
{
  unsigned short fillen;
           char  filnam[18];
};
static const struct sqlcxp sqlfpn =
{
    17,
    ".\\ora_context.pch"
};


static unsigned long sqlctx = 8605438;


static struct sqlexd {
   unsigned int   sqlvsn;
   unsigned int   arrsiz;
   unsigned int   iters;
   unsigned int   offset;
   unsigned short selerr;
   unsigned short sqlety;
   unsigned int   occurs;
      const short *cud;
   unsigned char  *sqlest;
      const char  *stmt;
   sqladts *sqladtp;
   sqltdss *sqltdsp;
            void  **sqphsv;
   unsigned int   *sqphsl;
            int   *sqphss;
            void  **sqpind;
            int   *sqpins;
   unsigned int   *sqparm;
   unsigned int   **sqparc;
   unsigned short  *sqpadto;
   unsigned short  *sqptdso;
            void  *sqhstv[1];
   unsigned int   sqhstl[1];
            int   sqhsts[1];
            void  *sqindv[1];
            int   sqinds[1];
   unsigned int   sqharm[1];
   unsigned int   *sqharc[1];
   unsigned short  sqadto[1];
   unsigned short  sqtdso[1];
} sqlstm = {10,1};

// Prototypes
extern "C" {
  void sqlcxt (void **, unsigned long *,
               struct sqlexd *, const struct sqlcxp *);
  void sqlcx2t(void **, unsigned long *,
               struct sqlexd *, const struct sqlcxp *);
  void sqlbuft(void **, char *);
  void sqlgs2t(void **, char *);
  void sqlorat(void **, unsigned long *, void *);
}

// Forms Interface
static const int IAPSUCC = 0;
static const int IAPFAIL = 1403;
static const int IAPFTL  = 535;
extern "C" { void sqliem(char *, int *); }

typedef struct { unsigned short len; unsigned char arr[1]; } VARCHAR;
typedef struct { unsigned short len; unsigned char arr[1]; } varchar;

/* cud (compilation unit data) array */
static const short sqlcud0[] =
{10,4130,0,0,0,
};



#define SQLCA_STORAGE_CLASS extern

/* EXEC SQL INCLUDE SQLCA;
 */ 
/*
 * $Header: sqlca.h,v 1.3 1994/12/12 19:27:27 jbasu Exp $ sqlca.h 
 */

/* Copyright (c) 1985,1986, 1998 by Oracle Corporation. */
 
/*
NAME
  SQLCA : SQL Communications Area.
FUNCTION
  Contains no code. Oracle fills in the SQLCA with status info
  during the execution of a SQL stmt.
NOTES
  **************************************************************
  ***                                                        ***
  *** This file is SOSD.  Porters must change the data types ***
  *** appropriately on their platform.  See notes/pcport.doc ***
  *** for more information.                                  ***
  ***                                                        ***
  **************************************************************

  If the symbol SQLCA_STORAGE_CLASS is defined, then the SQLCA
  will be defined to have this storage class. For example:
 
    #define SQLCA_STORAGE_CLASS extern
 
  will define the SQLCA as an extern.
 
  If the symbol SQLCA_INIT is defined, then the SQLCA will be
  statically initialized. Although this is not necessary in order
  to use the SQLCA, it is a good pgming practice not to have
  unitialized variables. However, some C compilers/OS's don't
  allow automatic variables to be init'd in this manner. Therefore,
  if you are INCLUDE'ing the SQLCA in a place where it would be
  an automatic AND your C compiler/OS doesn't allow this style
  of initialization, then SQLCA_INIT should be left undefined --
  all others can define SQLCA_INIT if they wish.

  If the symbol SQLCA_NONE is defined, then the SQLCA variable will
  not be defined at all.  The symbol SQLCA_NONE should not be defined
  in source modules that have embedded SQL.  However, source modules
  that have no embedded SQL, but need to manipulate a sqlca struct
  passed in as a parameter, can set the SQLCA_NONE symbol to avoid
  creation of an extraneous sqlca variable.
 
MODIFIED
    lvbcheng   07/31/98 -  long to int
    jbasu      12/12/94 -  Bug 217878: note this is an SOSD file
    losborne   08/11/92 -  No sqlca var if SQLCA_NONE macro set 
  Clare      12/06/84 - Ch SQLCA to not be an extern.
  Clare      10/21/85 - Add initialization.
  Bradbury   01/05/86 - Only initialize when SQLCA_INIT set
  Clare      06/12/86 - Add SQLCA_STORAGE_CLASS option.
*/
 
#ifndef SQLCA
#define SQLCA 1
 
struct   sqlca
         {
         /* ub1 */ char    sqlcaid[8];
         /* b4  */ int     sqlabc;
         /* b4  */ int     sqlcode;
         struct
           {
           /* ub2 */ unsigned short sqlerrml;
           /* ub1 */ char           sqlerrmc[70];
           } sqlerrm;
         /* ub1 */ char    sqlerrp[8];
         /* b4  */ int     sqlerrd[6];
         /* ub1 */ char    sqlwarn[8];
         /* ub1 */ char    sqlext[8];
         };

#ifndef SQLCA_NONE 
#ifdef   SQLCA_STORAGE_CLASS
SQLCA_STORAGE_CLASS struct sqlca sqlca
#else
         struct sqlca sqlca
#endif
 
#ifdef  SQLCA_INIT
         = {
         {'S', 'Q', 'L', 'C', 'A', ' ', ' ', ' '},
         sizeof(struct sqlca),
         0,
         { 0, {0}},
         {'N', 'O', 'T', ' ', 'S', 'E', 'T', ' '},
         {0, 0, 0, 0, 0, 0},
         {0, 0, 0, 0, 0, 0, 0, 0},
         {0, 0, 0, 0, 0, 0, 0, 0}
         }
#endif
         ;
#endif
 
#endif
 
/* end SQLCA */



//multi msg wont exceed this length
#define MAX_MULTI_MSG_LENGTH 800
#define MAX_MSG_BUFFER_LENGTH 800
#define ERR_UNKNOWN -1
#define ERR_SELECT_NONE -2
#define ERR_PART_COMPLETE -3


//here this error means the datebase can not connect for a while but it can be recover soon
#define ERR_DB_NOT_CONNECTED -4
//here we define the two error a number to simplify the processing
#define ERR_DBEXCEPTION -4
#define ERR_NO_MORE_RECORDS -5
#define ERR_SOME_FIELD_NULL -6
#define ERR_PARAM -7
#define ERR_CONTENT_TOO_LONG -8
#define ERR_RECORDSET_NOT_OPENED -9
#define ERR_SERVER_DATA -10
#define ERR_SERVER -11
#define ERR_NO_FLOAT -12
//when we handled the error we plus it to the original error code
#define ERR_HANDLED -1000


class ora_context
{
protected:
		/* EXEC SQL BEGIN DECLARE SECTION; */ 

			struct sqlca sqlca;
			sql_context m_context;
		/* EXEC SQL END DECLARE SECTION; */ 

//		int m_error_flag;

public:
	
	ora_context(char* classname,int threadid);
	virtual ~ora_context();
	void on_error(void);
	virtual void log_error(char* err_log){};
	int conn_db(char* user,char* pwd,char* conn);
	int DisplayConvertInGUI(char *info);
	int errorlogwrite (char *log_name,const char *data);
	
	int convert_error_flag ;
	int convert_Connected_Database;
	int convert_display;
	char convert_log_name[256] ;


protected:	
	char m_context_name[40];
	int  m_threadid;
	char m_CurrentDir[256];

};
#endif