[GitHub] [spark] wangyum commented on a change in pull request #24624: [SPARK-27743][SQL] alter table bucket

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

wangyum commented on a change in pull request #24624: [SPARK-27743][SQL] alter table bucket
URL: https://github.com/apache/spark/pull/24624#discussion_r284694991
 
 

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 File path: sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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 @@ -138,6 +138,7 @@ statement
         DROP (IF EXISTS)? partitionSpec (',' partitionSpec)*           #dropTablePartitions
     | ALTER TABLE tableIdentifier partitionSpec? SET locationSpec      #setTableLocation
     | ALTER TABLE tableIdentifier RECOVER PARTITIONS                   #recoverPartitions
+    | ALTER TABLE tableIdentifier bucketSpec                           #updateTableBucket
 
 Review comment:
   Do we need to recreate the data after changing the bucket info?

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