[GitHub] [arrow] zeroshade commented on a diff in pull request #14255: ARROW-17871: [Go] initial binary arithmetic implementation

[GitBox]

zeroshade commented on code in PR #14255:
URL: https://github.com/apache/arrow/pull/14255#discussion_r982911181


##########
go/arrow/compute/utils.go:
##########
@@ -81,3 +84,159 @@ func (b *bufferWriteSeeker) Seek(offset int64, whence int) 
(int64, error) {
        b.pos = newpos
        return int64(newpos), nil
 }
+
+func ensureDictionaryDecoded(vals ...arrow.DataType) {
+       for i, v := range vals {
+               if v.ID() == arrow.DICTIONARY {
+                       vals[i] = v.(*arrow.DictionaryType).ValueType

Review Comment:
   comment added



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