Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/15688#discussion_r86007181
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala
---
@@ -471,11 +471,30 @@ class InMemoryCatalog(
table: String,
partialSpec: Option[TablePartitionSpec] = None):
Seq[CatalogTablePartition] = synchronized {
requireTableExists(db, table)
- if (partialSpec.nonEmpty) {
- throw new UnsupportedOperationException(
- "listPartition with partial partition spec is not implemented")
+
+ partialSpec match {
+ case None => catalog(db).tables(table).partitions.values.toSeq
+ case Some(partial) =>
+ if (partial.size == getTable(db,
table).partitionColumnNames.length) {
+ val matchedPartition =
catalog(db).tables(table).partitions.get(partial)
+ Seq(matchedPartition.getOrElse {
+ val specString = partial.map { case (k, v) => s"$k=$v"
}.mkString("{", ", ", "}")
+ throw new AnalysisException("Partition not found: " +
specString)
+ })
+ } else {
+ catalog(db).tables(table).partitions.toSeq.collect {
+ case (spec, partition) if isPartialPartitionSpec(partial,
spec) => partition
+ }
+ }
+ }
+ }
+
+ private def isPartialPartitionSpec(
--- End diff --
we should document it.
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