Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/2241#discussion_r17805441
--- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala ---
@@ -212,7 +214,13 @@ private[hive] object HiveQl {
/**
* Returns the AST for the given SQL string.
*/
- def getAst(sql: String): ASTNode = ParseUtils.findRootNonNullToken((new
ParseDriver).parse(sql))
+ def getAst(sql: String): ASTNode = {
+ val hContext = new Context(new HiveConf())
+ val node = ParseUtils.findRootNonNullToken((new
ParseDriver).parse(sql, hContext))
+ hContext.clear
--- End diff --
Use `()`. Maybe also a comment about what is happening here.
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