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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/03/03 04:36:17 UTC

[GitHub] [spark] viirya commented on a change in pull request #35690: [SPARK-38335][SQL] Implement parser support for DEFAULT column values

viirya commented on a change in pull request #35690:
URL: https://github.com/apache/spark/pull/35690#discussion_r818307182



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File path: sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -1078,6 +1090,8 @@ alterColumnAction
     | commentSpec
     | colPosition
     | setOrDrop=(SET | DROP) NOT NULL
+    | SET defaultExpression
+    | dropDefault=DROP DEFAULT

Review comment:
       Hmm, what is this for?




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