TIDB源码解读-字符串转换

类型转换相关源码的链接：https://github.com/pingcap/tidb/blob/master/types/convert.go

一、字符串转数值类型

func StrToInt(sc *stmtctx.StatementContext, str string, isFuncCast bool) (int64, error) {
   
   
	str = strings.TrimSpace(str)
	validPrefix, err := getValidIntPrefix(sc, str, isFuncCast)
	iVal, err1 := strconv.ParseInt(validPrefix, 10