alamb commented on a change in pull request #1035:
URL: https://github.com/apache/arrow-rs/pull/1035#discussion_r772614253
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File path: parquet/src/arrow/array_reader.rs
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@@ -1149,68 +1155,75 @@ impl ArrayReader for StructArrayReader {
return Err(general_err!("Not all children array length are the
same!"));
}
- // calculate struct def level data
- let buffer_size = children_array_len * size_of::<i16>();
- let mut def_level_data_buffer = MutableBuffer::new(buffer_size);
- def_level_data_buffer.resize(buffer_size, 0);
+ // Now we can build array data
+ let mut array_data = ArrayDataBuilder::new(self.data_type.clone())
Review comment:
Maybe calling this variable `array_data_builder` would be clearer as it
not `ArrayData`?
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