spark SparkFilterApi 源码

2022-10-20
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spark SparkFilterApi 代码

文件路径：/sql/core/src/main/java/org/apache/parquet/filter2/predicate/SparkFilterApi.java

/*
 * 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.parquet.filter2.predicate;

import org.apache.parquet.hadoop.metadata.ColumnPath;
import org.apache.parquet.filter2.predicate.Operators.BinaryColumn;
import org.apache.parquet.filter2.predicate.Operators.BooleanColumn;
import org.apache.parquet.filter2.predicate.Operators.DoubleColumn;
import org.apache.parquet.filter2.predicate.Operators.FloatColumn;
import org.apache.parquet.filter2.predicate.Operators.IntColumn;
import org.apache.parquet.filter2.predicate.Operators.LongColumn;

/**
 * TODO (PARQUET-1809): This is a temporary workaround; it is intended to be moved to Parquet.
 */
public final class SparkFilterApi {
  public static IntColumn intColumn(String[] path) {
    return new IntColumn(ColumnPath.get(path));
  }

  public static LongColumn longColumn(String[] path) {
    return new LongColumn(ColumnPath.get(path));
  }

  public static FloatColumn floatColumn(String[] path) {
    return new FloatColumn(ColumnPath.get(path));
  }

  public static DoubleColumn doubleColumn(String[] path) {
    return new DoubleColumn(ColumnPath.get(path));
  }

  public static BooleanColumn booleanColumn(String[] path) {
    return new BooleanColumn(ColumnPath.get(path));
  }

  public static BinaryColumn binaryColumn(String[] path) {
    return new BinaryColumn(ColumnPath.get(path));
  }
}

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