视频1 视频21 视频41 视频61 视频文章1 视频文章21 视频文章41 视频文章61 推荐1 推荐3 推荐5 推荐7 推荐9 推荐11 推荐13 推荐15 推荐17 推荐19 推荐21 推荐23 推荐25 推荐27 推荐29 推荐31 推荐33 推荐35 推荐37 推荐39 推荐41 推荐43 推荐45 推荐47 推荐49 关键词1 关键词101 关键词201 关键词301 关键词401 关键词501 关键词601 关键词701 关键词801 关键词901 关键词1001 关键词1101 关键词1201 关键词1301 关键词1401 关键词1501 关键词1601 关键词1701 关键词1801 关键词1901 视频扩展1 视频扩展6 视频扩展11 视频扩展16 文章1 文章201 文章401 文章601 文章801 文章1001 资讯1 资讯501 资讯1001 资讯1501 标签1 标签501 标签1001 关键词1 关键词501 关键词1001 关键词1501 专题2001
调用Mysql存储过程输入输出参数_MySQL
2020-11-09 19:10:34 责编:小采
文档


存储过程如下:

DELIMITER $$

USE `gface_taisau`$$

DROP PROCEDURE IF EXISTS `p_InsertFace`$$

CREATE DEFINER=`root`@`localhost` PROCEDURE `p_InsertFace`(
IN Id BIGINT(8),
IN UserID BIGINT(8),
IN FeaLen SMALLINT(2),
IN Fea BLOB,
IN ImgUrl CHAR(),
IN Type1 INT(4),
IN Type2 INT(4),
IN Type3 INT(4),
IN Type4 CHAR(32),
IN Remarks CHAR(),
OUT OID BIGINT(8))
BEGIN

DECLARE l_Id BIGINT(8);
SET l_Id= 0;
IF (Id>0) THEN
SET l_Id=Id;
END IF;


INSERT INTO t_face
(ID,
UserID,
FeaLen,
Fea,
ImgUrl,
Type1,
Type2,
Type3,
Type4,
Stamp,
IsDel,
UpdateTime,
Remarks
)
VALUES
(l_Id,
UserID,
FeaLen,
Fea,
ImgUrl,
Type1,
Type2,
Type3,
Type4,
NOW(),
0,
NOW(),
Remarks
);

IF(l_Id=0) THEN
SET OID=LAST_INSERT_ID();
END IF;

END$$

DELIMITER ;

用到的结构体如下

#define MAX_FEA_LEN 10240 //定义10k
#define MAX_URL_LEN 200
//图片信息
typedef struct _FACE_INFO
{
//ULONGLONG nID;
ULONGLONG nID;
ULONGLONG nUserID;
DWORD nFeaLen;
TCHAR szFea[MAX_FEA_LEN];
TCHAR szUrl[MAX_URL_LEN];
DWORD nType1;
DWORD nType2;
DWORD nType3;
TCHAR szType4[32];
TCHAR szStamp[20];//2012-08-08 08:08:08
TCHAR szRemarks[];
_FACE_INFO()
{
nID = 0;
nUserID = 0;
nFeaLen = 0;
memset(szFea,0,sizeof(szFea));
memset(szUrl,0,sizeof(szUrl));
nType1 = 0;
nType2 = 0;
nType3 = 0;
memset(szType4,0,sizeof(szType4));
memset(szStamp,0,sizeof(szStamp));
memset(szRemarks,0,sizeof(szRemarks));

}
}FACE_INFO, *PFACE_INFO;

//调研代码如下

HRESULT CFaceDB::RegFaceP(FACE_INFO info,ULONGLONG & nID)
{
MYSQL_STMT * stmt_mysql = mysql_stmt_init(m_pMysql);
try
{
MYSQL_BIND bind[11];
memset(bind, 0, sizeof(bind));
bind[0].buffer_type = MYSQL_TYPE_LONGLONG;
bind[0].buffer = (unsigned char*)&nID;
bind[0].buffer_length = (unsigned long)sizeof(nID);
bind[0].length = 0;

bind[1].buffer_type = MYSQL_TYPE_LONGLONG;
bind[1].buffer = (unsigned char*)&info.nUserID;
bind[1].buffer_length = (unsigned long)sizeof(info.nUserID);
bind[1].length = 0;

bind[2].buffer_type = MYSQL_TYPE_SHORT;
bind[2].buffer = (unsigned char*)&info.nFeaLen;
bind[2].buffer_length = (unsigned long)sizeof(info.nFeaLen);
bind[2].length = 0;

unsigned long nFeaLen = info.nFeaLen;
bind[3].buffer_type = MYSQL_TYPE_BLOB; //特征值
bind[3].buffer = (unsigned char*)info.szFea;
bind[3].buffer_length = (unsigned long)nFeaLen;
bind[3].length = &nFeaLen;

unsigned long nUrlLen = strlen(info.szUrl);
bind[4].buffer_type = MYSQL_TYPE_STRING; //ImgUrl
bind[4].buffer = (char*)info.szUrl;
bind[4].buffer_length = ;
bind[4].length = &nUrlLen;

bind[5].buffer_type = MYSQL_TYPE_LONG; //type1
bind[5].buffer = (unsigned char*)&info.nType1;
bind[5].buffer_length = (unsigned long)sizeof(info.nType1);
bind[5].length = 0;

bind[6].buffer_type = MYSQL_TYPE_LONG; //type2
bind[6].buffer = (unsigned char*)&info.nType2;
bind[6].buffer_length = (unsigned long)sizeof(info.nType2);
bind[6].length = 0;

bind[7].buffer_type = MYSQL_TYPE_LONG; //type3
bind[7].buffer = (unsigned char*)&info.nType3;
bind[7].buffer_length = (unsigned long)sizeof(info.nType3);
bind[7].length = 0;

unsigned long nType4Len = strlen(info.szType4);
bind[8].buffer_type = MYSQL_TYPE_STRING; //typ4
bind[8].buffer = (char*)info.szType4;
bind[8].buffer_length = 32;
bind[8].length = &nType4Len;

unsigned long nRemarksLen = strlen(info.szRemarks);
bind[9].buffer_type = MYSQL_TYPE_STRING; //remarks
bind[9].buffer = (char*)info.szRemarks;
bind[9].buffer_length = ;
//bind[9].is_null = 0;
bind[9].length = &nRemarksLen;

bind[10].buffer_type = MYSQL_TYPE_LONGLONG;
bind[10].buffer = (unsigned char*)&nID;
bind[10].buffer_length = (unsigned long)sizeof(nID);
bind[10].length = 0;


char szInsert[1024] = {0};
strcpy_s( szInsert,1024,"CALL P_INSERTFACE(?,?,?,?,?,?,?,?,?,?,@1);");
//strcpy_s( szInsert,1024,"CALL P_INSERTFACE(?,?,?);");

mysql_stmt_prepare(stmt_mysql, szInsert, (unsigned long)strlen(szInsert));
mysql_stmt_bind_param(stmt_mysql, bind);
mysql_stmt_bind_result(stmt_mysql,bind + 10);
if( mysql_stmt_execute(stmt_mysql)==0 )
{
CString cmdStr=_T("SELECT @1");
int nRet = mysql_query(m_pMysql, cmdStr);
if(0 == nRet)
{
MYSQL_RES* pResult = NULL;
pResult = mysql_store_result(m_pMysql);
if (pResult)
{
MYSQL_ROW rdRow;
rdRow = mysql_fetch_row(pResult);
nID = StrToLONG(CString(rdRow[0]));//自定义函数 该函数是吧字符串转位整型
}
mysql_free_result(pResult);
}

mysql_stmt_close(stmt_mysql);
return S_OK;
}
else
{
mysql_stmt_close(stmt_mysql);
return S_FALSE;
}

}
catch(...)
{
mysql_stmt_close(stmt_mysql);
}

return S_FALSE;

}



下载本文
显示全文
专题