io.trino.parquet.reader.ColumnReader Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of trino-parquet Show documentation

Trino - Parquet file format support

There is a newer version: 464

/*
 * Licensed 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 io.trino.parquet.reader;

import java.util.Optional;

public interface ColumnReader
{
    boolean hasPageReader();

    void setPageReader(PageReader pageReader, Optional rowRanges);

    void prepareNextRead(int batchSize);

    ColumnChunk readPrimitive();
}