Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16606#discussion_r97464241
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala
---
@@ -186,12 +186,13 @@ case class CatalogTable(
/**
* schema of this table's partition columns
*/
- def partitionSchema: StructType = StructType(partitionColumnNames.map {
- p => schema.find(_.name == p).getOrElse(
- throw new AnalysisException(s"Partition column [$p] " +
- s"did not exist in schema ${schema.toString}")
- )
- })
+ def partitionSchema: StructType = {
+ assert(schema.takeRight(partitionColumnNames.length).map(_.name) ==
partitionColumnNames)
+
+ StructType(schema.filter { c =>
+ partitionColumnNames.contains(c.name)
+ })
--- End diff --
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