ajantha-bhat commented on code in PR #7920:
URL: https://github.com/apache/iceberg/pull/7920#discussion_r1243699771


##########
docs/spark-queries.md:
##########
@@ -319,7 +319,7 @@ SELECT * FROM prod.db.table.partitions;
 |  {20211002, 10}|           1|         1|         0|
 
 Note:
-1. For unpartitioned tables, the partitions table will contain only the 
record_count and file_count columns.
+1. For unpartitioned tables, the partitions table will contain only the 
record_count, file_count and total_data_size_in_bytes columns.

Review Comment:
   This statement needs to be updated. Unpartitioned table will have few more 
fields and previous PR missed to update this. 
   
   
https://github.com/apache/iceberg/blob/4e6c7bad35ae3886378ec50a79dac0368df875a8/core/src/main/java/org/apache/iceberg/PartitionsTable.java#L96-L105



##########
core/src/main/java/org/apache/iceberg/PartitionsTable.java:
##########
@@ -82,7 +82,12 @@ public class PartitionsTable extends BaseMetadataTable {
                 10,
                 "last_updated_snapshot_id",
                 Types.LongType.get(),
-                "Id of snapshot that last updated this partition"));
+                "Id of snapshot that last updated this partition"),
+            Types.NestedField.required(
+                11,
+                "total_data_size_in_bytes",

Review Comment:
   For partition stats, I am using the field name as `data_file_size_in_bytes` 
here.
   
   
https://github.com/apache/iceberg/pull/7105/files#diff-36347a47c3bf67ea2ef6309ea96201814032d21bb5f162dfae4045508c15588aR736
   
   Let us wait and see what others think about the naming of this field. Based 
on that either you or me have to modify accordingly. 



##########
docs/flink-queries.md:
##########
@@ -436,7 +436,7 @@ SELECT * FROM prod.db.table$partitions;
 | {20211002, 10} | 1            | 1          | 0       |
 
 Note:
-For unpartitioned tables, the partitions table will contain only the 
record_count and file_count columns.
+For unpartitioned tables, the partitions table will contain only the 
record_count, file_count and total_data_size_in_bytes columns.

Review Comment:
   This statement needs to be updated. Unpartitioned table will have few more 
fields and previous PR missed to update this. 
   
   
https://github.com/apache/iceberg/blob/4e6c7bad35ae3886378ec50a79dac0368df875a8/core/src/main/java/org/apache/iceberg/PartitionsTable.java#L96-L105



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