cloud-fan commented on code in PR #38404:
URL: https://github.com/apache/spark/pull/38404#discussion_r1021061558
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sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBaseParser.g4:
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@@ -319,6 +319,7 @@ query
insertInto
: INSERT OVERWRITE TABLE? multipartIdentifier (partitionSpec (IF NOT
EXISTS)?)? identifierList? #insertOverwriteTable
| INSERT INTO TABLE? multipartIdentifier partitionSpec? (IF NOT EXISTS)?
identifierList? #insertIntoTable
+ | INSERT INTO TABLE? multipartIdentifier REPLACE whereClause?
identifierList? #insertIntoReplaceWhere
Review Comment:
`SELECT * FROM source2` is not identifier list, but the input query. The
syntax here is for the header of INSERT and doesn't include the input query.
A full query would look like `INSERT INTO t REPLACE WHERE ... (a, c) SELECT
1, 2`.
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