Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/12220#discussion_r59591625
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala
---
@@ -367,9 +367,25 @@ private[hive] class HiveClientImpl(
override def dropPartitions(
db: String,
table: String,
- specs: Seq[ExternalCatalog.TablePartitionSpec]): Unit =
withHiveState {
+ specs: Seq[ExternalCatalog.TablePartitionSpec],
+ ignoreIfNotExists: Boolean): Unit = withHiveState {
// TODO: figure out how to drop multiple partitions in one call
- specs.foreach { s => client.dropPartition(db, table,
s.values.toList.asJava, true) }
+ val hiveTable = client.getTable(db, table, true /* throw exception */)
+ specs.foreach { s =>
+ // The provided spec here can be a partial spec, i.e. it will match
all partitions
+ // whose specs are supersets of this partial spec. E.g. If a table
has partitions
+ // (b='1', c='1') and (b='1', c='2'), a partial spec of (b='1') will
match both.
+ val matchingParts = client.getPartitions(hiveTable, s.asJava).asScala
--- End diff --
I think SessionCatalog should take care the check.
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