cloud-fan commented on a change in pull request #28026:
URL: https://github.com/apache/spark/pull/28026#discussion_r510111381
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File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -387,8 +376,11 @@ tableProvider
createTableClauses
:((OPTIONS options=tablePropertyList) |
- (PARTITIONED BY partitioning=transformList) |
+ (PARTITIONED BY partitioning=partitionFieldList) |
Review comment:
I think an easier way to merge the two syntaxes is
```
(PARTITIONED BY partitioning=partitionFieldList) |
(PARTITIONED BY '(' partitionColumns=colTypeList ')' |
```
Then antlr can help us to guarantee that users can't mix different PARTITION
BY syntaxes, and it requires fewer changes in `AstBuilder`.
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