org.apache.iceberg.actions.RewritePositionDeleteFiles Maven / Gradle / Ivy
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/*
* 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.iceberg.actions;
import org.apache.iceberg.expressions.Expression;
/**
* An action for rewriting position delete files.
*
* Generally used for optimizing the size and layout of position delete files within a table.
*/
public interface RewritePositionDeleteFiles
extends SnapshotUpdate {
/**
* A filter for finding deletes to rewrite.
*
* The filter will be converted to a partition filter with an inclusive projection. Any file that may contain rows
* matching this filter will be used by the action. The matching delete files will be rewritten.
*
* @param expression An iceberg expression used to find deletes.
* @return this for method chaining
*/
RewritePositionDeleteFiles filter(Expression expression);
/**
* The action result that contains a summary of the execution.
*/
interface Result {
/**
* Returns the count of the position deletes that been rewritten.
*/
int rewrittenDeleteFilesCount();
/**
* Returns the count of the added delete files.
*/
int addedDeleteFilesCount();
}
}