user_log.pc

初学者使用手册

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <math.h>
#include <pthread.h>

#include "sqlca.h"
#include "sqlda.h"

#include "const.h"

static char *connect="dbuser/oracle";


int DbsConnect()
{
    EXEC SQL connect :connect;
    return(sqlca.sqlcode);
}


int DbsUSER_LOG_CUR_Static(int func, char *user, char *content)
{
    switch(func)
    {
      case DBS_OPEN:
        EXEC SQL declare ul_static_cur cursor for
          select content from user_log
            where loginname=:user
            order by log_id desc
            ;
        EXEC SQL open ul_static_cur;
        SQL_CODE_PROCESS("USER_LOG", "OPN");

      case DBS_FETCH:
        EXEC SQL fetch ul_static_cur into :content;
        SQL_CODE_PROCESS("USER_LOG", "FET");

      case DBS_CLOSE:
        EXEC SQL close ul_static_cur;
        SQL_CODE_PROCESS("USER_LOG", "CLS");

      default:
        return(DB_DBSFUNCERR);
    }
}


int DbsUSER_LOG_PARTITION_CUR_Part(int func, char *user, char *content)
{
    switch(func)
    {
      case DBS_OPEN:
        EXEC SQL declare ulp_part_cur cursor for
          select content from user_log_partition
            where loginname=:user
            order by log_id desc
            ;
        EXEC SQL open ulp_part_cur;
        SQL_CODE_PROCESS("USER_LOG_PARTITION", "OPN");

      case DBS_FETCH:
        EXEC SQL fetch ulp_part_cur into :content;
        SQL_CODE_PROCESS("USER_LOG_PARTITION", "FET");

      case DBS_CLOSE:
        EXEC SQL close ulp_part_cur;
        SQL_CODE_PROCESS("USER_LOG_PARTITION", "CLS");

      default:
        return(DB_DBSFUNCERR);
    }
}


int DbsUSER_LOG_CUR_Dyna(int func, char *sql, char *content)
{
    switch(func)
    {
      case DBS_OPEN:
        EXEC SQL prepare ul_dyna_stmt from :sql;
        EXEC SQL declare ul_dyna_cur cursor for ul_dyna_stmt;
        EXEC SQL open ul_dyna_cur;
        SQL_CODE_PROCESS("USER_LOG", "OPN");

      case DBS_FETCH:
        EXEC SQL fetch ul_dyna_cur into :content;
        SQL_CODE_PROCESS("USER_LOG", "FET");

      case DBS_CLOSE:
        EXEC SQL close ul_dyna_cur;
        SQL_CODE_PROCESS("USER_LOG", "CLS");

      default:
        return(DB_DBSFUNCERR);
    }
}