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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/09/02 13:42:33 UTC

[GitHub] [spark] cloud-fan commented on a change in pull request #29627: [SPARK-32752][SQL]Fix parsing aliasing typed interval literal issue

cloud-fan commented on a change in pull request #29627:
URL: https://github.com/apache/spark/pull/29627#discussion_r482078271



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File path: sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -818,6 +818,7 @@ primaryExpression
 
 constant
     : NULL                                                                                     #nullLiteral
+    | INTERVAL STRING AS? identifier?                                                          #maybeAliasedIntervalLiteral

Review comment:
       can you explain how the bug triggers?




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