firmware/demo/press_demo.c

#include    "tvm.h"
#include    "tmain.h"

#define    TBL_USER_INFO            20

typedef struct  __TBL_USER_INFO
{
   long    acct_id;
   char    user_no[21];
   char    user_type[2];
   char    user_nm[81];
   char    user_addr[161];
   char    user_phone[31];
}dbUser;

long    lSelectUserInfo()
{
    dbUser  stUser;
    int     i = 0;
    SATvm   *pstSavm = (SATvm *)pGetSATvm();
 
    /* 初始化TBL_USER_INFO表，每张表都需要初始化一次, 对于表重建后，需要重新初始化一次。*/          
    vHoldConnect(pstSavm); // 让进程始终与STVM 保持链接，可以大大提高效率
    if(RC_SUCC != lInitSATvm(pstSavm, TBL_USER_INFO))
    {
        fprintf(stderr, "init failed, err:(%d)(%s)\n", pstSavm->m_lErrno, sGetTError(pstSavm->m_lErrno));
        return RC_FAIL;
    }
 
    conditinit(pstSavm, stUser, TBL_USER_INFO);                // 绑定变量
    conditstr(pstSavm, stUser, user_type, "1");                // 查询条件赋值
    conditstr(pstSavm, stUser, user_no, "20180223");           // 查询条件赋值
 
    for(i = 0; i < 2000000; i ++)
    {
        if(RC_SUCC != lSelect(pstSavm, (void *)&stUser)) 
        {
            fprintf(stderr, "Select error: (%d) (%s)\n", pstSavm->m_lErrno, sGetTError(pstSavm->m_lErrno));
            return RC_FAIL;
        }
    }

    fprintf(stdout, "acct_id:%ld, user_no:%s, user_type:%s, user_nm:%s, user_addr:%s, user_phone:%s\n",
        stUser.acct_id, stUser.user_no, stUser.user_type, stUser.user_nm, stUser.user_addr, stUser.user_phone);

    vHoldRelease(pstSavm); // 在进程退出时，断开链接
    return RC_SUCC;
}

int   main(int argc, char *argv[])
{

    if(RC_SUCC != lSelectUserInfo())
        return RC_FAIL;

    return RC_SUCC;
}