org.apache.spark.sql.sources.v2.writer.SupportsWriteInternalRow 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
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package org.apache.spark.sql.sources.v2.writer;
import org.apache.spark.annotation.InterfaceStability;
import org.apache.spark.sql.Row;
import org.apache.spark.sql.catalyst.InternalRow;
/**
* A mix-in interface for {@link DataSourceWriter}. Data source writers can implement this
* interface to write {@link InternalRow} directly and avoid the row conversion at Spark side.
* This is an experimental and unstable interface, as {@link InternalRow} is not public and may get
* changed in the future Spark versions.
*/
@InterfaceStability.Unstable
public interface SupportsWriteInternalRow extends DataSourceWriter {
@Override
default DataWriterFactory createWriterFactory() {
throw new IllegalStateException(
"createWriterFactory should not be called with SupportsWriteInternalRow.");
}
DataWriterFactory createInternalRowWriterFactory();
}