sqlite常量的定义：
const
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
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