xianyinxin commented on a change in pull request #26167: [SPARK-28893][SQL]
Support MERGE INTO in the parser and add the corresponding logical plan
URL: https://github.com/apache/spark/pull/26167#discussion_r344092198
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
##########
@@ -341,17 +341,20 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
throw new ParseException("INSERT OVERWRITE DIRECTORY is not supported",
ctx)
}
+ // We do not allow columns aliases in some cases.
+ private def notAllowColumnAliases(ctx: TableAliasContext, msg: String): Unit
= {
+ if (ctx.identifierList() != null) {
+ throw new ParseException(msg, ctx.identifierList())
+ }
+ }
+
override def visitDeleteFromTable(
ctx: DeleteFromTableContext): LogicalPlan = withOrigin(ctx) {
val tableId = visitMultipartIdentifier(ctx.multipartIdentifier)
val tableAlias = if (ctx.tableAlias() != null) {
val ident = ctx.tableAlias().strictIdentifier()
Review comment:
done.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
