szehon-ho commented on code in PR #5376:
URL: https://github.com/apache/iceberg/pull/5376#discussion_r1017644858
##########
api/src/main/java/org/apache/iceberg/DataFile.java:
##########
@@ -99,10 +99,24 @@ public interface DataFile extends ContentFile<DataFile> {
optional(140, "sort_order_id", IntegerType.get(), "Sort order ID");
Types.NestedField SPEC_ID = optional(141, "spec_id", IntegerType.get(),
"Partition spec ID");
+ Types.StructType READABLE_METRICS_VALUE_TYPE =
+ Types.StructType.of(
+ optional(142, "column_size", Types.LongType.get(), "Total size on
disk"),
+ optional(143, "value_count", Types.LongType.get(), "Total count,
including null and NaN"),
+ optional(144, "null_value_count", Types.LongType.get(), "Null value
count"),
+ optional(145, "nan_value_count", Types.LongType.get(), "NaN value
count"),
+ optional(146, "lower_bound", Types.StringType.get(), "Lower bound in
string form"),
Review Comment:
Discussed offline, will look into how hard it is to make into a dynamic
struct with the right types, assuming we keep this current hierarchy
(readable_metric, col, metric_type)
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