spark PushedDownOperators 源码
spark PushedDownOperators 代码
文件路径：/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/PushedDownOperators.scala
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.sql.execution.datasources.v2
import org.apache.spark.sql.connector.expressions.SortOrder
import org.apache.spark.sql.connector.expressions.aggregate.Aggregation
import org.apache.spark.sql.connector.expressions.filter.Predicate
/**
* Pushed down operators
*/
case class PushedDownOperators(
aggregation: Option[Aggregation],
sample: Option[TableSampleInfo],
limit: Option[Int],
offset: Option[Int],
sortValues: Seq[SortOrder],
pushedPredicates: Seq[Predicate]) {
assert((limit.isEmpty && sortValues.isEmpty) || limit.isDefined)
}
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