Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/11048#discussion_r54801945
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/CatalystQl.scala
---
@@ -90,92 +85,13 @@ private[sql] class CatalystQl(val conf: ParserConf =
SimpleParserConf()) extends
}
}
- protected def getClauses(
- clauseNames: Seq[String],
- nodeList: Seq[ASTNode]): Seq[Option[ASTNode]] = {
- var remainingNodes = nodeList
- val clauses = clauseNames.map { clauseName =>
- val (matches, nonMatches) =
remainingNodes.partition(_.text.toUpperCase == clauseName)
- remainingNodes = nonMatches ++ (if (matches.nonEmpty) matches.tail
else Nil)
- matches.headOption
- }
-
- if (remainingNodes.nonEmpty) {
- sys.error(
- s"""Unhandled clauses:
${remainingNodes.map(_.treeString).mkString("\n")}.
- |You are likely trying to use an unsupported Hive
feature."""".stripMargin)
- }
- clauses
- }
-
- protected def getClause(clauseName: String, nodeList: Seq[ASTNode]):
ASTNode =
- getClauseOption(clauseName, nodeList).getOrElse(sys.error(
- s"Expected clause $clauseName missing from
${nodeList.map(_.treeString).mkString("\n")}"))
-
- protected def getClauseOption(clauseName: String, nodeList:
Seq[ASTNode]): Option[ASTNode] = {
- nodeList.filter { case ast: ASTNode => ast.text == clauseName } match {
- case Seq(oneMatch) => Some(oneMatch)
- case Seq() => None
- case _ => sys.error(s"Found multiple instances of clause
$clauseName")
- }
- }
-
- protected def nodeToAttribute(node: ASTNode): Attribute = node match {
+ def nodeToAttribute(node: ASTNode): Attribute = node match {
--- End diff --
only used in 1 place. Can you make it private?
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