Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/12801#discussion_r61968276
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
---
@@ -510,6 +538,21 @@ class SessionCatalog(
externalCatalog.listPartitions(db, table, partialSpec)
}
+ /**
+ * Verify if the input partition spec exactly matches the existing
defined partition spec
+ * The columns must be the same but the orders could be different.
+ */
+ private def requireExactMatchedPartitionSpec(
--- End diff --
I think the interface here could be better, maybe something like
```
private def requirePartitionsDefinedInTable(
specs: Seq[TablePartitionSpec],
table: CatalogTable): Unit = {
...
}
```
This would allow you to reuse more code
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