result = sqlite3_exec( db, "begin transaction", 0, 0, &zErrorMsg ); //开始一个事务 result = sqlite3_exec( db, "commit transaction", 0, 0, &zErrorMsg ); //提交事务 result = sqlite3_exec( db, "rollback transaction", 0, 0, &zErrorMsg ); //回滚事务 一、 给数据库加密 前面...
当涉及到SQLite3::exec时,我在PHP脚本中遇到了一个奇怪的错误,该脚本能够毫无问题地连接到数据库文件,并且我可以毫无问题地执行select查询,但是当我尝试执行插入查询时,SQLite3::lastErrorMsg出现了这个错误"unable to open database file“。下面是我如何尝试这样做的一个示例: 代码语言:javascript 代码运行次数:0 ...
执行sql操作sqlite3_exec用法 原型: 1intsqlite3_exec(2sqlite3* ppDb,/*An open database*/3constchar*sql,/*SQL to be evaluated*/4int(*callback)(void*,int,char**,char**),/*Callback function*/5void*,/*1st argument to callback*/6char**errmsg/*Error msg written here*/7); 这就是执...
{ sqlite3* DB; std::string sql = "CREATE TABLE PERSON(" "ID INT PRIMARY KEY NOT NULL," "NAME TEXT NOT NULL," "AGE INT NOT NULL," "ADDRESS CHAR(50)," "SALARY REAL );"; int exit = 0; exit = sqlite3_open("test.db", &DB); char* messaggeError; exit = sqlite3_exec(DB,...
SQLITE_API int sqlite3_exec( sqlite3, / An open database */ const char sql, / SQL to be evaluated */ int (callback)(void,int,char,char), /* Callback function */ void , / 1st argument to callback */ char *errmsg / Error msg written here */ ); 参数: 打开的数据库句柄 sql...
SQLITE_API intsqlite3_exec( sqlite3*, /* An open database */ const char *sql, /* SQL to be evaluated */ int (*callback)(void*,int,char**,char**), /* Callback function */ void *, /* 1st argument to callback */ char **errmsg /* Error msg written here */ ...
sqlite3_exec方法中第一个参数为成功执行了打开数据库操作的sqlite3指针,第二个参数为要执行的sql语句,最后一个参数为错误信息字符串。 执行查询语句的方法比较复杂,通过如下方法: sqlite3 * sqlite; sqlite3_stmt *stmt =nil; int code = sqlite3_prepare_v2(sqlite, sqlStr, -1, &stmt, NULL); ...
如sqlite3_open 、sqlite3_get_table、 sqlite3_exec函数的返回值 /* ** CAPI3REF: Result Codes ** KEYWORDS: SQLITE_OK {error code} {error codes} ** KEYWORDS: {result code} {result codes} ** ** Many SQLite functions return an integer result code from the set shown ...
char *error = NULL; int result = sqlite3_exec(_db, sql.UTF8String, NULL, NULL, &error); if (error) { if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite exec error (%d): %s",FUNCTION,LINE, result, error); sqlite3_free(error); ...
sqlite3_exec sqlite3_extended_errcode sqlite3_extended_result_codes sqlite3_free_table (legacy) sqlite3_get_autocommit sqlite3_get_table (legacy) sqlite3_interrupt sqlite3_last_insert_rowid sqlite3_limit sqlite3_next_stmt sqlite3_open sqlite3_open_v2 sqlite3_open16 sqlite3_prepare sqlite3_pre...