本文整理匯總了Golang中github.com/pingcap/tidb/mysqldef.Time.Type方法的典型用法代碼示例。如果您正苦於以下問題:Golang Time.Type方法的具體用法?Golang Time.Type怎麽用?Golang Time.Type使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/pingcap/tidb/mysqldef.Time
的用法示例。
在下文中一共展示了Time.Type方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: Cast
// Cast casts val to certain types and does not return error.
func Cast(val interface{}, target *FieldType) (v interface{}) { //NTYPE
tp := target.Tp
switch tp {
case mysql.TypeString:
x, _ := ToString(val)
// TODO: consider target.Charset/Collate
x = truncateStr(x, target.Flen)
if target.Charset == charset.CharsetBin {
return []byte(x)
}
return x
case mysql.TypeDuration:
var dur mysql.Duration
fsp := mysql.DefaultFsp
if target.Decimal != UnspecifiedLength {
fsp = target.Decimal
}
switch x := val.(type) {
case mysql.Duration:
dur, _ = x.RoundFrac(fsp)
case mysql.Time:
dur, _ = x.ConvertToDuration()
dur, _ = dur.RoundFrac(fsp)
case string:
dur, _ = mysql.ParseDuration(x, fsp)
}
return dur
case mysql.TypeDatetime, mysql.TypeDate:
fsp := mysql.DefaultFsp
if target.Decimal != UnspecifiedLength {
fsp = target.Decimal
}
var t mysql.Time
t.Type = tp
switch x := val.(type) {
case mysql.Time:
t, _ = x.Convert(tp)
t, _ = t.RoundFrac(fsp)
case mysql.Duration:
t, _ = x.ConvertToTime(tp)
t, _ = t.RoundFrac(fsp)
case string:
t, _ = mysql.ParseTime(x, tp, fsp)
case int64:
t, _ = mysql.ParseTimeFromNum(x, tp, fsp)
}
return t
case mysql.TypeLonglong:
if mysql.HasUnsignedFlag(target.Flag) {
v, _ = ToUint64(val)
} else {
v, _ = ToInt64(val)
}
return
case mysql.TypeNewDecimal:
x, _ := ToDecimal(val)
if target.Decimal != UnspecifiedLength {
x = x.Round(int32(target.Decimal))
}
// TODO: check Flen
return x
default:
panic("should never happen")
}
}