HaoYang670 commented on code in PR #1988:
URL: https://github.com/apache/arrow-rs/pull/1988#discussion_r912364185
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arrow/src/array/builder/fixed_size_list_builder.rs:
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@@ -21,42 +21,37 @@ use std::sync::Arc;
use crate::array::ArrayData;
use crate::array::ArrayRef;
use crate::array::FixedSizeListArray;
-use crate::array::Int32BufferBuilder;
use crate::datatypes::DataType;
use crate::datatypes::Field;
use crate::error::Result;
use super::ArrayBuilder;
use super::BooleanBufferBuilder;
-/// Array builder for `ListArray`
+/// Array builder for [`FixedSizeListArray`]
#[derive(Debug)]
pub struct FixedSizeListBuilder<T: ArrayBuilder> {
bitmap_builder: BooleanBufferBuilder,
values_builder: T,
- len: usize,
Review Comment:
Remove this field because `self.len` is always equal to
`self.bitmap_builder.len`
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