Im试图查找包含某些不可打印字符的行,并遇到各种字符串函数的一些不一致行为。该字段为VARCHAR类型。以下是查询:select charindex(char(0), substring(AddressTail, 17, 1)) from Address where ID = 1934484返回预期的1select charindex(<em
unsigned int fname_length = 0;file.read((char*)&fname_length,sizeof(unsignedint));char *fname = new char[fname_length];
//fnameas you would expect, plus 18 bytes o