jorgecarleitao commented on a change in pull request #8200:
URL: https://github.com/apache/arrow/pull/8200#discussion_r512922566
##########
File path: rust/arrow/src/ipc/convert.rs
##########
@@ -609,10 +628,45 @@ pub(crate) fn get_fb_field_type<'a: 'b, 'b>(
children: Some(fbb.create_vector(&children[..])),
}
}
+ Dictionary(_, value_type) => {
+ // In this library, the dictionary "type" is a logical construct.
Here we
+ // pass through to the value type, as we've already captured the
index
+ // type in the DictionaryEncoding metadata in the parent field
Review comment:
I also struggled with this a bit in the c-data interface.
##########
File path: rust/arrow/src/util/integration_util.rs
##########
@@ -97,12 +144,43 @@ impl ArrowJsonSchema {
for i in 0..field_len {
let json_field = &self.fields[i];
let field = schema.field(i);
- assert_eq!(json_field, &field.to_json());
+ if !json_field.equals_field(field) {
+ return false;
+ }
}
true
}
}
+impl ArrowJsonField {
+ /// Compare the Arrow JSON field with the Arrow `Field`
+ fn equals_field(&self, field: &Field) -> bool {
+ dbg!((&self, &field));
Review comment:
dbg
##########
File path: rust/arrow/src/array/data.rs
##########
@@ -209,6 +209,61 @@ impl ArrayData {
}
}
+impl PartialEq for ArrayData {
+ fn eq(&self, other: &Self) -> bool {
+ assert_eq!(
Review comment:
does't `assert_eq!` panic?
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