liukun4515 commented on code in PR #2000:
URL: https://github.com/apache/arrow-rs/pull/2000#discussion_r917719589
##########
arrow/src/array/builder/decimal_builder.rs:
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@@ -42,8 +44,18 @@ pub struct DecimalBuilder {
value_validation: bool,
}
+/// Array Builder for [`Decimal256Array`]
+///
+/// See [`Decimal256Array`] for example.
+#[derive(Debug)]
+pub struct Decimal256Builder {
+ builder: FixedSizeListBuilder<UInt8Builder>,
Review Comment:
I also confused about that we use the the `FixedSizeListBuilder` to store
decimal data in the decimal builder.
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