viirya commented on code in PR #1736:
URL: https://github.com/apache/arrow-rs/pull/1736#discussion_r882246203
##########
arrow/src/ipc/reader.rs:
##########
@@ -1390,43 +1390,167 @@ mod tests {
});
}
- #[test]
- fn test_projection_array_values() {
- let schema = Schema::new(vec![
+ fn create_test_projection_schema() -> Schema {
+ // define field types
+ let list_data_type =
+ DataType::List(Box::new(Field::new("item", DataType::Int32,
true)));
+
+ let fixed_size_list_data_type = DataType::FixedSizeList(
+ Box::new(Field::new("item", DataType::Int32, false)),
+ 3,
+ );
+
+ let key_type = DataType::Int8;
+ let value_type = DataType::Utf8;
+ let dict_data_type =
+ DataType::Dictionary(Box::new(key_type), Box::new(value_type));
+
+ let union_fileds = vec![
+ Field::new("a", DataType::Int32, false),
+ Field::new("b", DataType::Float64, false),
+ ];
+ let union_data_type = DataType::Union(union_fileds, vec![0, 1],
UnionMode::Dense);
+
+ let struct_fields = vec![
+ Field::new("id", DataType::Int32, false),
+ Field::new(
+ "list",
+ DataType::List(Box::new(Field::new("item", DataType::Int8,
true))),
+ false,
+ ),
+ ];
+ let struct_data_type = DataType::Struct(struct_fields);
+
+ // define schema
+ Schema::new(vec![
Review Comment:
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