org.apache.parquet.proto.ProtoConstants 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.parquet.proto;
/**
* Constants.
*/
public final class ProtoConstants {
public static final String METADATA_ENUM_PREFIX = "parquet.proto.enum.";
public static final String METADATA_ENUM_KEY_VALUE_SEPARATOR = ":";
public static final String METADATA_ENUM_ITEM_SEPARATOR = ",";
/**
* Configuration flag to ignore the unknown fields during conversion of Parquet to Proto
* if fields are missing in target schema instead of throwing an error.
* Enabling it will avoid a job failure, but you should perhaps use an up-to-date schema instead.
*/
public static final String CONFIG_IGNORE_UNKNOWN_FIELDS = "parquet.proto.ignore.unknown.fields";
/**
* Configuration flag to enable reader to accept enum label that's neither defined in its own proto schema nor conform
* to the "UNKNOWN_ENUM_*" pattern with which we can get the enum number. The enum value will be treated as an unknown
* enum with number -1.
* Enabling it will avoid a job failure, but you should perhaps use an up-to-date schema instead.
*/
public static final String CONFIG_ACCEPT_UNKNOWN_ENUM = "parquet.proto.accept.unknown.enum";
private ProtoConstants() {
// Do not instantiate.
}
}