cloud-fan commented on a change in pull request #24832: [SPARK-27845][SQL]
DataSourceV2: InsertTable
URL: https://github.com/apache/spark/pull/24832#discussion_r307163591
##########
File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -294,8 +294,8 @@ query
;
insertInto
- : INSERT OVERWRITE TABLE tableIdentifier (partitionSpec (IF NOT EXISTS)?)?
#insertOverwriteTable
- | INSERT INTO TABLE? tableIdentifier partitionSpec?
#insertIntoTable
+ : INSERT OVERWRITE TABLE? multipartIdentifier (partitionSpec (IF NOT
EXISTS)?)? #insertOverwriteTable
+ | INSERT INTO TABLE? multipartIdentifier partitionSpec? (IF NOT EXISTS)?
#insertIntoTable
Review comment:
I think `(partitionSpec (IF NOT EXISTS)?)?` is better? `INSERT INTO TABLE
... IF NOT EXISTS` doesn't make sense. The `IF NOT EXISTS` is only for
partitions.
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