gruuya commented on code in PR #785:
URL: https://github.com/apache/iceberg-rust/pull/785#discussion_r1883721441
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crates/iceberg/src/arrow/reader.rs:
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@@ -1180,4 +1194,62 @@ mod tests {
assert_eq!(visitor.field_ids, expected);
}
+
+ #[test]
+ fn test_arrow_projection_mask() {
Review Comment:
I've slightly revised the existing test now. It tests a parquet/arrow schema
with one supported type, one unsupported type and one with a decimal with a
precision beyond the supported range. It asserts that projection masks fails
until the projection leaves out the last two fields.
Granted it's a bit of a stretch to think how this could come up in practice,
but it does exercise the proposed changes in this PR nonetheless.
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