Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/11048#discussion_r53568012
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala ---
@@ -16,18 +16,43 @@
*/
package org.apache.spark.sql.execution
+import scala.collection.mutable.ArrayBuffer
+
import org.apache.spark.sql.{AnalysisException, SaveMode}
import org.apache.spark.sql.catalyst.{CatalystQl, TableIdentifier}
import org.apache.spark.sql.catalyst.analysis.UnresolvedRelation
+import org.apache.spark.sql.catalyst.expressions.{Ascending, Descending}
import org.apache.spark.sql.catalyst.parser.{ASTNode, ParserConf,
SimpleParserConf}
import org.apache.spark.sql.catalyst.plans.logical.{LogicalPlan,
OneRowRelation}
import org.apache.spark.sql.catalyst.plans.logical
+import org.apache.spark.sql.execution.commands._
import org.apache.spark.sql.execution.datasources._
import org.apache.spark.sql.types.StructType
private[sql] class SparkQl(conf: ParserConf = SimpleParserConf()) extends
CatalystQl(conf) {
/** 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
+
+ protected def extractProps(node: ASTNode): Seq[(String, String)] = node
match {
--- End diff --
We could make this more DRYly by passing the Token strings and processing
function (or just unquote the TOK_TABLEOPTION as well).
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