Github user andrewor14 commented on a diff in the pull request: https://github.com/apache/spark/pull/12220#discussion_r59308833 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala --- @@ -367,9 +367,27 @@ private[hive] class HiveClientImpl( override def dropPartitions( db: String, table: String, - specs: Seq[ExternalCatalog.TablePartitionSpec]): Unit = withHiveState { + specs: Seq[ExternalCatalog.TablePartitionSpec], + ignoreIfNotExists: Boolean, + purge: 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 + if (matchingParts.isEmpty && !ignoreIfNotExists) { + throw new AnalysisException( + s"partition to drop '$s' does not exist in table '$table' database '$db'") + } + matchingParts.foreach { hivePartition => + val dropOptions = new PartitionDropOptions + dropOptions.ifExists = ignoreIfNotExists + dropOptions.purgeData = purge + client.dropPartition(db, table, hivePartition.getValues, dropOptions) --- End diff -- removed
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