Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/14132#discussion_r70883834
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
---
@@ -509,6 +512,23 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef]
with Logging {
}
/**
+ * Add a Hint to a logical plan.
+ */
+ private def withHints(
+ ctx: HintContext,
+ relation: LogicalPlan): LogicalPlan = withOrigin(ctx) {
+ val stmt = ctx.hintStatement
+ val name = stmt.hintName.getText.toUpperCase
+ if (stmt.identifierList != null) {
+ Hint(name, visitIdentifierList(stmt.identifierList), relation)
+ } else if (stmt.parameters != null) {
+ Hint(name, stmt.parameters.asScala.map(_.getText), relation)
+ } else {
+ Hint(name, Seq.empty[String], relation)
--- End diff --
Hmm. Hive gets the following, but mine doesn't.
```
hive> select /*+ MAPJOIN */ * from t;
OK
```
Let me fix this. Thank you so much. You're a human compiler. :) +1
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