cloud-fan commented on a change in pull request #24348: [SPARK-27444][SQL]
multi-select can be used in subquery
URL: https://github.com/apache/spark/pull/24348#discussion_r274500124
##########
File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
##########
@@ -356,14 +355,14 @@ resource
: identifier STRING
;
-insertStatement
- : (ctes)? insertInto queryTerm queryOrganization
#singleInsertQuery
- | (ctes)? fromClause multiInsertQueryBody+
#multiInsertQuery
+dmlStatementNoWith
+ : insertInto queryTerm queryOrganization
#singleInsertQuery
+ | fromClause multiInsertQueryBody+
#multiInsertQuery
;
queryNoWith
: queryTerm queryOrganization
#noWithQuery
- | fromClause selectStatement
#queryWithFrom
+ | fromClause selectStatement+
#queryWithFrom
Review comment:
well, multi-select is still one query :)
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