Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/13068#discussion_r63100741
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala ---
@@ -941,6 +944,43 @@ class SparkSqlAstBuilder(conf: SQLConf) extends
AstBuilder {
}
/**
+ * Throw a [[ParseException]] if the user specified incompatible SerDes
through ROW FORMAT
+ * and STORED AS.
+ */
+ private def validateRowFormatFileFormat(
+ rowFormatCtx: RowFormatContext,
+ createFileFormatCtx: CreateFileFormatContext,
+ parentCtx: ParserRuleContext): Unit = {
+ if (rowFormatCtx == null || createFileFormatCtx == null) {
+ return
+ }
+ val cff = (0 until createFileFormatCtx.getChildCount)
+ .map { i => createFileFormatCtx.getChild(i).getText }
+ .mkString(" ")
+ (rowFormatCtx, createFileFormatCtx.fileFormat) match {
+ case (_, ffTable: TableFileFormatContext) =>
+ if (visitTableFileFormat(ffTable).serde.isDefined) {
+ throw operationNotAllowed(s"ROW FORMAT is not compatible with
$cff", parentCtx)
--- End diff --
Maybe we can be explicit that `SERDE` is not allowed for this case? btw,
should we remove `SERDE` part from `INPUTFORMAT inFmt=STRING OUTPUTFORMAT
outFmt=STRING (SERDE serdeCls=STRING)?` in `SqlBase.g4`?
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