spark FetchType 源码
spark FetchType 代码
文件路径：/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/FetchType.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.hive.service.cli;
/**
* FetchType indicates the type of fetchResults request.
* It maps the TFetchType, which is generated from Thrift interface.
*/
public enum FetchType {
QUERY_OUTPUT((short)0),
LOG((short)1);
private final short tFetchType;
FetchType(short tFetchType) {
this.tFetchType = tFetchType;
}
public static FetchType getFetchType(short tFetchType) {
for (FetchType fetchType : values()) {
if (tFetchType == fetchType.toTFetchType()) {
return fetchType;
}
}
return QUERY_OUTPUT;
}
public short toTFetchType() {
return tFetchType;
}
}
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