Riza Suminto has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/20204 )

Change subject: IMPALA-12072: Include snapshot id of Iceberg tables in query 
plan / profile
......................................................................


Patch Set 13:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/20204/13/fe/src/main/java/org/apache/impala/planner/IcebergScanPlanner.java
File fe/src/main/java/org/apache/impala/planner/IcebergScanPlanner.java:

http://gerrit.cloudera.org:8080/#/c/20204/13/fe/src/main/java/org/apache/impala/planner/IcebergScanPlanner.java@132
PS13, Line 132: private long
nit: Is this require mutability? Can this changed to "private final long", 
initialized in constructor?


http://gerrit.cloudera.org:8080/#/c/20204/13/fe/src/main/java/org/apache/impala/util/IcebergUtil.java
File fe/src/main/java/org/apache/impala/util/IcebergUtil.java:

http://gerrit.cloudera.org:8080/#/c/20204/13/fe/src/main/java/org/apache/impala/util/IcebergUtil.java@649
PS13, Line 649: public static long getSnapshotId(FeIcebergTable table, 
TimeTravelSpec timeTravelSpec) {
              :     if (timeTravelSpec == null) return table.snapshotId();
              :     TableScan scan = createScanAsOf(table, timeTravelSpec);
              :     return scan.snapshot().snapshotId();
              :   }
nit: Add precondition before returning to verify that snapshot id is always 
positive integer.
I understand Iceberg spec says snapshot id is a required field, so it must not 
be a null.
https://iceberg.apache.org/spec/#snapshots



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Iee0b4967429ea733729ad8e44df32e3b24b88525
Gerrit-Change-Number: 20204
Gerrit-PatchSet: 13
Gerrit-Owner: Gergely Fürnstáhl <g.furnst...@gmail.com>
Gerrit-Reviewer: Andrew Sherman <asher...@cloudera.com>
Gerrit-Reviewer: Gabor Kaszab <gaborkas...@cloudera.com>
Gerrit-Reviewer: Gergely Fürnstáhl <g.furnst...@gmail.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Riza Suminto <riza.sumi...@cloudera.com>
Gerrit-Reviewer: Tamas Mate <tma...@apache.org>
Gerrit-Reviewer: Zoltan Borok-Nagy <borokna...@cloudera.com>
Gerrit-Comment-Date: Tue, 06 Feb 2024 16:31:11 +0000
Gerrit-HasComments: Yes

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