sunchao commented on code in PR #2042:
URL: https://github.com/apache/arrow-rs/pull/2042#discussion_r918607812
##########
arrow/src/datatypes/ffi.rs:
##########
@@ -404,4 +411,26 @@ mod tests {
assert!(result.is_err());
Ok(())
}
+
+ #[test]
+ fn test_map_keys_sorted() {
+ let keys = Field::new("keys", DataType::Int32, false);
+ let values = Field::new("values", DataType::UInt32, false);
+ let entry_struct = DataType::Struct(vec![keys, values]);
+
+ // Construct a map array from the above two
+ let map_data_type =
+ DataType::Map(Box::new(Field::new("entries", entry_struct, true)),
false);
+
+ let flags = Flags::MAP_KEYS_SORTED;
+
+ let arrow_schema = FFI_ArrowSchema::try_from(map_data_type)
+ .unwrap()
+ .with_name("map")
+ .unwrap()
+ .with_flags(flags)
Review Comment:
Yea to implement that we'll need to add the property to the dictionary type
first.
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