Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/15704#discussion_r86075872
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala ---
@@ -418,27 +419,53 @@ case class AlterTableRenamePartitionCommand(
*/
case class AlterTableDropPartitionCommand(
tableName: TableIdentifier,
- specs: Seq[TablePartitionSpec],
+ specs: Seq[Expression],
ifExists: Boolean,
purge: Boolean)
- extends RunnableCommand {
+ extends RunnableCommand with PredicateHelper {
+
+ private def hasComplexExpr(expr: Expression): Boolean = {
+ expr.find(e => e.isInstanceOf[BinaryComparison] &&
!e.isInstanceOf[EqualTo]).isDefined
+ }
override def run(sparkSession: SparkSession): Seq[Row] = {
val catalog = sparkSession.sessionState.catalog
val table = catalog.getTableMetadata(tableName)
+ val resolver = sparkSession.sessionState.conf.resolver
DDLUtils.verifyAlterTableType(catalog, table, isView = false)
DDLUtils.verifyPartitionProviderIsHive(sparkSession, table, "ALTER
TABLE DROP PARTITION")
- val normalizedSpecs = specs.map { spec =>
- PartitioningUtils.normalizePartitionSpec(
- spec,
- table.partitionColumnNames,
- table.identifier.quotedString,
- sparkSession.sessionState.conf.resolver)
+ specs.flatMap(splitConjunctivePredicates).map {
--- End diff --
I think we don't need to do `splitConjunctivePredicates`. Just iterates
each attribute in every spec expression's `references` and do the following
resolving check, should be enough.
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