ggodik commented on code in PR #13772:
URL: https://github.com/apache/arrow/pull/13772#discussion_r935574971
##########
go/arrow/csv/writer.go:
##########
@@ -188,6 +188,35 @@ func (w *Writer) Write(record arrow.Record) error {
recs[i][j] = w.nullValue
}
}
+ case *arrow.Date32Type:
+ arr := col.(*array.Date32)
+ for i := 0; i < arr.Len(); i++ {
+ if arr.IsValid(i) {
+ recs[i][j] =
arr.Value(i).FormattedString()
+ } else {
+ recs[i][j] = w.nullValue
+ }
+ }
+ case *arrow.Date64Type:
+ arr := col.(*array.Date64)
+ for i := 0; i < arr.Len(); i++ {
+ if arr.IsValid(i) {
+ recs[i][j] =
arr.Value(i).FormattedString()
+ } else {
+ recs[i][j] = w.nullValue
+ }
+ }
+
+ case *arrow.TimestampType:
+ arr := col.(*array.Timestamp)
+ t := w.schema.Field(j).Type.(*arrow.TimestampType)
+ for i := 0; i < arr.Len(); i++ {
+ if arr.IsValid(i) {
+ recs[i][j] =
arr.Value(i).ToTime(t.Unit).Format("2006-01-02 15:04:05.999999999")
Review Comment:
Ideally I'd have
[TimestampFromStringInLocation](https://github.com/apache/arrow/blob/4bd3d2ecbb6f4f311d59098892b7dca5421c15e4/go/arrow/datatype_fixedwidth.go#L108)
but in reverse or
[FormattedString()](https://github.com/apache/arrow/blob/4bd3d2ecbb6f4f311d59098892b7dca5421c15e4/go/arrow/datatype_fixedwidth.go#L102)
like on `Date32` or `Date64`
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