Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/1118#discussion_r13954704
--- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala ---
@@ -362,13 +367,19 @@ private[hive] object HiveQl {
}
}
+ protected def extractDbNameTableName(tableNameParts: Node):
(Option[String], String) = {
+ val (db, tableName) =
+ tableNameParts.getChildren.map{ case Token(part, Nil) =>
cleanIdentifier(part)} match {
+ case Seq(tableOnly) => (None, tableOnly)
+ case Seq(databaseName, table) => (Some(databaseName), table)
+ }
+
+ (db, tableName)
+ }
+
protected def nodeToPlan(node: Node): LogicalPlan = node match {
// Just fake explain for any of the native commands.
- case Token("TOK_EXPLAIN", explainArgs) if nativeCommands contains
explainArgs.head.getText =>
- ExplainCommand(NoRelation)
- // Create tables aren't native commands due to CTAS queries, but we
still don't need to
- // explain them.
- case Token("TOK_EXPLAIN", explainArgs) if explainArgs.head.getText ==
"TOK_CREATETABLE" =>
+ case Token("TOK_EXPLAIN", explainArgs) if noExplainCommands contains
explainArgs.head.getText =>
--- End diff --
avoid infix contains here, i.e.
```scala
noExplainCommands.contains(explainArgs.head.getText)
```
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