rdblue commented on a change in pull request #24723: [SPARK-27857][SQL] Move
ALTER TABLE parsing into Catalyst
URL: https://github.com/apache/spark/pull/24723#discussion_r289921860
##########
File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -113,14 +113,26 @@ statement
LIKE source=tableIdentifier locationSpec?
#createTableLike
| ANALYZE TABLE tableIdentifier partitionSpec? COMPUTE STATISTICS
(identifier | FOR COLUMNS identifierSeq | FOR ALL COLUMNS)? #analyze
- | ALTER TABLE tableIdentifier
- ADD COLUMNS '(' columns=colTypeList ')'
#addTableColumns
+ | ALTER TABLE multipartIdentifier
+ ADD (COLUMN | COLUMNS) columns=newColumnList colPosition?
#addTableColumns
Review comment:
@gatorsmile, I'll remove `colPosition` from `ADD`. It is not supported and
was not previously parsed so it doesn't need to be included.
Also, `colType` can't be used because we need to use qualified names.
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