Github user hvanhovell commented on a diff in the pull request: https://github.com/apache/spark/pull/10723#discussion_r49974415 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala --- @@ -52,26 +57,30 @@ private[sql] class SparkQl(conf: ParserConf = SimpleParserConf()) extends Cataly nodeToDescribeFallback(node) } else { tableType match { - case Token("TOK_TABTYPE", Token("TOK_TABNAME", nameParts :: Nil) :: Nil) => + case Token("TOK_TABTYPE", Token("TOK_TABNAME", nameParts) :: Nil) => --- End diff -- if we parse the following SQL using the parse driver ```org.apache.spark.sql.catalyst.parser.ParseDriver.parsePlan("DESCRIBE EXTENDED tbl.a", null)``` We would end up with the following AST: TOK_DESCTABLE 1, 0, 6, 18 :- TOK_TABTYPE 1, 4, 6, 18 : +- TOK_TABNAME 1, 4, 6, 18 : :- tbl 1, 4, 4, 18 : +- a 1, 6, 6, 22 +- EXTENDED 1, 2, 2, 9 This change would pick this up, and old code didn't (I am sure I tested this though :S ). You can disable this in the DDL parser, to see if it works now.
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