aokolnychyi commented on code in PR #12100:
URL: https://github.com/apache/iceberg/pull/12100#discussion_r1929856814
##########
format/spec.md:
##########
@@ -337,8 +337,11 @@ The set of metadata columns is:
| **`2147483546 file_path`** | `string` | Path of a file, used in
position-based delete files |
| **`2147483545 pos`** | `long` | Ordinal position of a
row, used in position-based delete files
|
| **`2147483544 row`** | `struct<...>` | Deleted row values, used
in position-based delete files |
-| **`2147483543 _row_id`** | `long` | A unique long assigned
when row-lineage is enabled, see [Row Lineage](#row-lineage)
|
-| **`2147483542 _last_updated_sequence_number`** | `long` | The
sequence number which last updated this row when row-lineage is enabled [Row
Lineage](#row-lineage) |
+| **`2147483543 _change_type`** | `string` | Used in
Changelog: The change type for this particular row: INSERT, DELETE,
UPDATE_BEFORE, or UPDATE_AFTER |
Review Comment:
I'd probably structure these statements as:
- `The record type in changelog (INSERT, ...)`
- `The snapshot ID in which the change occurred`
##########
format/spec.md:
##########
@@ -337,8 +337,11 @@ The set of metadata columns is:
| **`2147483546 file_path`** | `string` | Path of a file, used in
position-based delete files |
| **`2147483545 pos`** | `long` | Ordinal position of a
row, used in position-based delete files
|
| **`2147483544 row`** | `struct<...>` | Deleted row values, used
in position-based delete files |
-| **`2147483543 _row_id`** | `long` | A unique long assigned
when row-lineage is enabled, see [Row Lineage](#row-lineage)
|
-| **`2147483542 _last_updated_sequence_number`** | `long` | The
sequence number which last updated this row when row-lineage is enabled [Row
Lineage](#row-lineage) |
+| **`2147483543 _change_type`** | `string` | Used in
Changelog: The change type for this particular row: INSERT, DELETE,
UPDATE_BEFORE, or UPDATE_AFTER |
+| **`2147483542 _change_ordinal`** | `int` | Used in
Changelog: The order of the change
|
+| **`2147483541 _commit_snapshot_id`** | `long` | Used for
Changelog: The snapshot id in which the change occured
|
Review Comment:
Minor: `id` -> `ID`
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