Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/11466#discussion_r55117965
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/SQLBuilder.scala ---
@@ -78,6 +78,27 @@ class SQLBuilder(logicalPlan: LogicalPlan, sqlContext:
SQLContext) extends Loggi
}
}
+ private def toSQL(node: LogicalPlan, topNode: Boolean): String = {
--- End diff --
The analyzed plan of this query:
```
"SELECT x.key FROM parquet_t1 x JOIN parquet_t1 y ON x.key = y.key"
```
```
== Analyzed Logical Plan ==
key: bigint
Project [key#18L]
+- Join Inner, Some((key#18L = key#23L))
:- SubqueryAlias x
: +- SubqueryAlias parquet_t1
: +- Relation[key#18L,value#19] ParquetRelation
+- SubqueryAlias y
+- SubqueryAlias parquet_t1
+- Relation[key#23L,value#24] ParquetRelation
```
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