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「字段列表中的未知列」錯誤我試圖做一個函數,要求用戶輸入新的用戶名和密碼,然後將其存儲在MySQL/MariaDB數據庫。我使用strcat_s()和strcpy_s()將字符串連接在一起,然後在C API中作爲MySQL/MariaDB查詢傳遞。但是,結果是「字段列表」錯誤中的Unkown列'foo'。我該如何解決這個錯誤?以下是我的代碼。當將自定義字符串傳遞到MariaDB/MySQL C連接器API函數
void NEW_PLAYER(MYSQL *con)
{
const char *NAME = "foo";
const char *PASSWORD = "bar";
char ch = NULL;
unsigned int i = 0;
printf("%s\n", NAME);
printf("%s\n", PASSWORD);
char TEMP[150];
char str1[] = "INSERT INTO PLAYERS VALUES(";
strcpy_s(TEMP, str1);
strcat_s(TEMP, NAME);
strcat_s(TEMP, ", ");
strcat_s(TEMP, PASSWORD);
strcat_s(TEMP, " ,0, 0, 0, 0)");
printf("%s", TEMP);
// inserting null character at end
if (mysql_query(con, TEMP)) {
fprintf(stderr, "%s\n", mysql_error(con));
exit(-1);
}
}
Here are my results from this code