ggodik commented on code in PR #121:
URL: https://github.com/apache/arrow-go/pull/121#discussion_r1754752360
##########
arrow/datatype_fixedwidth.go:
##########
@@ -532,19 +533,74 @@ type DecimalType interface {
DataType
GetPrecision() int32
GetScale() int32
+ BitWidth() int
}
func NewDecimalType(id Type, prec, scale int32) (DecimalType, error) {
switch id {
+ case DECIMAL32:
+ debug.Assert(prec <=
int32(decimal.MaxPrecision[decimal.Decimal32]()), "invalid precision for
decimal32")
Review Comment:
should this condition be an error? or is the `DecimalNType` informational
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