alamb commented on code in PR #11224:
URL: https://github.com/apache/datafusion/pull/11224#discussion_r1663163729
##########
datafusion/common/src/scalar/mod.rs:
##########
@@ -6199,6 +6339,46 @@ mod tests {
assert_batches_eq!(&expected, &[batch]);
}
+ #[test]
+ fn test_map_display() {
+ let string_builder = StringBuilder::new();
+ let int_builder = Int32Builder::with_capacity(4);
+ let mut builder = MapBuilder::new(None, string_builder, int_builder);
+ builder.keys().append_value("joe");
+ builder.values().append_value(1);
+ builder.append(true).unwrap();
+
+ builder.keys().append_value("blogs");
+ builder.values().append_value(2);
+ builder.keys().append_value("foo");
+ builder.values().append_value(4);
+ builder.append(true).unwrap();
+ builder.append(true).unwrap();
+ builder.append(false).unwrap();
+
+ let map_value = ScalarValue::Map(Arc::new(builder.finish()));
+
+ assert_eq!(map_value.to_string(), "[{joe:1},{blogs:2,foo:4},{},NULL]");
+
+ let ScalarValue::Map(arr) = map_value else {
+ panic!("Expected map");
+ };
+
+ //verify compared to arrow display
+ let batch = RecordBatch::try_from_iter(vec![("m", arr as _)]).unwrap();
+ let expected = [
Review Comment:
👍
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