Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11189#discussion_r52824392
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala
---
@@ -244,29 +247,41 @@ class InMemoryCatalog extends Catalog {
partSpecs.foreach(existingParts.remove)
}
- override def alterPartition(
+ override def renamePartitions(
db: String,
table: String,
- spec: Map[String, String],
- newPart: TablePartition): Unit = synchronized {
- assertPartitionExists(db, table, spec)
- val existingParts = catalog(db).tables(table).partitions
- if (spec != newPart.spec) {
- // Also a change in specs; remove the old one and add the new one
back
- existingParts.remove(spec)
+ specs: Seq[TablePartitionSpec],
+ newSpecs: Seq[TablePartitionSpec]): Unit = synchronized {
+ assert(specs.size == newSpecs.size, "number of old and new partition
specs differ")
--- End diff --
and maybe assertDatabaseExists should be called requireDatabaseExists too
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