[GitHub] [iceberg] hililiwei commented on a diff in pull request #5535: Spark: Spark SQL Extensions for branch

[GitBox <gi...@apache.org>]

hililiwei commented on code in PR #5535:
URL: https://github.com/apache/iceberg/pull/5535#discussion_r946382983


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spark/v3.3/spark-extensions/src/main/antlr/org.apache.spark.sql.catalyst.parser.extensions/IcebergSqlExtensions.g4:
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@@ -73,6 +73,12 @@ statement
     | ALTER TABLE multipartIdentifier WRITE writeSpec                                       #setWriteDistributionAndOrdering
     | ALTER TABLE multipartIdentifier SET IDENTIFIER_KW FIELDS fieldList                    #setIdentifierFields
     | ALTER TABLE multipartIdentifier DROP IDENTIFIER_KW FIELDS fieldList                   #dropIdentifierFields
+    | ALTER TABLE multipartIdentifier CREATE BRANCH identifier (AS OF VERSION snapshotId)?  (WITH SNAPSHOT RETENTION (((numSnapshots SNAPSHOTS) | (snapshotRetain snapshotRetainTimeUnit)) | (numSnapshots SNAPSHOTS snapshotRetain snapshotRetainTimeUnit)))? (RETAIN snapshotRefRetain snapshotRefRetainTimeUnit)?   #createBranch
+    | ALTER TABLE multipartIdentifier REPLACE BRANCH identifier (AS OF VERSION snapshotId)?  (WITH SNAPSHOT RETENTION (((numSnapshots SNAPSHOTS) | (snapshotRetain snapshotRetainTimeUnit)) | (numSnapshots SNAPSHOTS snapshotRetain snapshotRetainTimeUnit)))? (RETAIN snapshotRefRetain snapshotRefRetainTimeUnit)?   #replaceBranch

Review Comment:
   good. thx.



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