crepererum commented on code in PR #3498:
URL: https://github.com/apache/arrow-rs/pull/3498#discussion_r1064908133
##########
arrow-ipc/src/writer.rs:
##########
@@ -1231,6 +1231,38 @@ fn write_array_data(
compression_codec,
)?;
}
+ } else if matches!(data_type, DataType::Boolean) {
+ // Bools are special because the payload (= 1 bit) is smaller than the
physical container elements (= bytes).
+ // The array data may not start at the physical boundary of the
underlying buffer, so we need to shift bits around.
+ assert!(array_data.buffers().len() == 1);
+ let buffer = &array_data.buffers()[0];
Review Comment:
Ah nice, didn't know that this existed. Fixed.
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