Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/11573#discussion_r55893285
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala ---
@@ -29,7 +29,26 @@ private[sql] class SparkQl(conf: ParserConf =
SimpleParserConf()) extends Cataly
import ParserUtils._
/** Check if a command should not be explained. */
- protected def isNoExplainCommand(command: String): Boolean =
"TOK_DESCTABLE" == command
+ protected def isNoExplainCommand(command: String): Boolean = {
+ "TOK_DESCTABLE" == command || "TOK_ALTERTABLE" == command
+ }
+
+ /**
+ * For each node, extract properties in the form of a list ['key1',
'key2', 'key3', 'value']
+ * into a pair (key1.key2.key3, value).
+ */
--- End diff --
Also, what is the difference between this method and `extractTableProps`
defined for alter table?
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