linuxCsqlite3mysql - 数据库编程

/* ********** gcc main.c -lsqlite3 -I/usr/include/mysql -L/usr/lib/mysql -lmysqlclient ************

SQLITE_OK = 0; 返回成功
SQLITE_ERROR = 1; SQL错误或错误的数据库
SQLITE_INTERNAL = 2; An internal logic error in SQLite
SQLITE_PERM = 3; 拒绝访问
SQLITE_ABORT = 4; 回调函数请求中断
SQLITE_BUSY = 5; 数据库文件被锁
SQLITE_LOCKED = 6; 数据库中的一个表被锁
SQLITE_NOMEM = 7; 内存分配失败
SQLITE_READONLY = 8; 试图对一个只读数据库进行写操作
SQLITE_INTERRUPT = 9; 由sqlite_interrupt()结束操作
SQLITE_IOERR = 10; 磁盘I/O发生错误
SQLITE_CORRUPT = 11; 数据库磁盘镜像畸形
SQLITE_NOTFOUND = 12; (Internal Only)表或记录不存在
SQLITE_FULL = 13; 数据库满插入失败
SQLITE_CANTOPEN = 14; 不能打开数据库文件
SQLITE_PROTOCOL = 15; 数据库锁定协议错误
SQLITE_EMPTY = 16; (Internal Only)数据库表为空
SQLITE_SCHEMA = 17; 数据库模式改变
SQLITE_TOOBIG = 18; 对一个表数据行过多
SQLITE_CONSTRAINT = 19; 由于约束冲突而中止
SQLITE_MISMATCH = 20; 数据类型不匹配
SQLITE_MISUSE = 21; 数据库错误使用
SQLITE_NOLFS = 22; 使用主机操作系统不支持的特性
SQLITE_AUTH = 23; 非法授权
SQLITE_FORMAT = 24; 辅助数据库格式错误
SQLITE_RANGE = 25; 2nd parameter to sqlite_bind out of range
SQLITE_NOTADB = 26; 打开的不是一个数据库文件
SQLITE_ROW = 100; sqlite_step() has another row ready
SQLITE_DONE = 101; sqlite_step() has finished executing

*************************************************************************************************** */

#include "DB.h"

gseMutex dbMutex=GSE_MUTEX_INIT;
static int IsUpdateAll = 0;
static int iDelCount = 0;
const int FREE_NUM = 1000;
static int needVacuum = 0;

int DBOpen(dbClass *sqlDB, const char *sqlName, char *localhost, char *user, char *password)
{
    if(sqlDB == NULL || sqlName == NULL || 0 == strlen(sqlName))
    {
        gseLog(L_ERROR,"NULL *p");
        return -1;
    }

    int ret = 0;
    if(sqlDB->type == SQL_SQLITE3)
    {
        gseMutexLock(&dbMutex);
        sqlDB->




db = (sqlite3 *)sqlDB->db;

        localhost = NULL;
        user = NULL;
        password = NULL;

        char sqlPathName[64]={0};
        sprintf(sqlPathName, "%s", sqlName);
        ret = sqlite3_open(sqlPathName, (struct sqlite3 **)&(sqlDB->db));
        if(ret != SQLITE_OK)
        {
            gseLog(L_ERROR,"ret = %d, Cannot open db: %s",ret,sqlite3_errmsg(sqlDB->db));
        }
        gseMutexUnlock(&dbMutex);
//      gseLog(L_INFO,"Open database");

    }
    else if(sqlDB->type == SQL_MYSQL)
    {
#ifdef MYSQL_DEFINE
        sqlDB->db = (MYSQL *)sqlDB->db;
        if(localhost == NULL || user == NULL || password == NULL)
        {
            gseLog(L_ERROR,"localhost user password is NULL");
            return -1;
        }

        char creatDbStr[64]={0};
        char useDbStr[64]={0};
        sprintf(creatDbStr, "create database %s", sqlName);
        sprintf(useDbStr, "use %s", sqlName);

        sqlDB->db= mysql_init(NULL);
        if (sqlDB->db== NULL) 
        {
            gseLog(L_ERROR,"sqlOpen Error 1 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
            exit(1);
        }
        if (mysql_real_connect(sqlDB->db, localhost, user, password, NULL, 0, NULL, 0) == NULL)
        {
            gseLog(L_ERROR,"sqlOpen Error 2 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
            exit(1);
        }
        ret = mysql_query(sqlDB->db, creatDbStr);
        if (ret) 
        {
            gseLog(L_ERROR,"sqlOpen Error 3 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
        }
        ret = mysql_query(sqlDB->db, useDbStr);
        if (ret) 
        {
            gseLog(L_ERROR,"sqlOpen Error 4 %u: %s", mysql_errno(sqlDB->db), mysql_error(sqlDB->db));
            exit(1);
        }
#endif

    }
    else
    {
        return -2;
    }
    return ret;

}

int DBClose(dbClass *sqlDB)
{
    if(NULL == sqlDB || NULL == sqlDB->db)
    {
        return -1;
    }
    int ret = 0;
    if(
linuxCsqlite3mysql(一)
