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[enhancement](stmt-forward) record query result for proxy query to av…
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fe/fe-core/src/main/java/org/apache/doris/mysql/ProxyMysqlChannel.java
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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. | ||
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package org.apache.doris.mysql; | ||
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import com.google.common.collect.Lists; | ||
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import java.nio.ByteBuffer; | ||
import java.util.List; | ||
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/** | ||
* An interceptor for proxy query, keeping all packets to be sent to master mysql channel. | ||
*/ | ||
public class ProxyMysqlChannel extends MysqlChannel { | ||
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private final List<ByteBuffer> proxyResultBuffer = Lists.newArrayList(); | ||
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@Override | ||
public void sendOnePacket(ByteBuffer packet) { | ||
proxyResultBuffer.add(packet); | ||
} | ||
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public List<ByteBuffer> getProxyResultBufferList() { | ||
return proxyResultBuffer; | ||
} | ||
} |
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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. | ||
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import org.apache.doris.regression.suite.ClusterOptions | ||
import org.apache.doris.regression.util.NodeType | ||
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suite("test_forward_query") { | ||
def options = new ClusterOptions() | ||
options.enableDebugPoints() | ||
options.setFeNum(2) | ||
options.connectToFollower = true | ||
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docker(options) { | ||
def tbl = "test_forward_query" | ||
sql """ DROP TABLE IF EXISTS ${tbl} """ | ||
sql """ | ||
CREATE TABLE ${tbl} | ||
( | ||
k1 int | ||
) | ||
DISTRIBUTED BY HASH(`k1`) BUCKETS 1 | ||
PROPERTIES ( | ||
"replication_num" = "1" | ||
); | ||
""" | ||
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sql """ INSERT INTO ${tbl} VALUES(1);""" | ||
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cluster.injectDebugPoints(NodeType.FE, ['StmtExecutor.forward_all_queries' : [forwardAllQueries:true]]) | ||
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try { | ||
sql """ SELECT * FROM ${tbl} """ | ||
} catch (Exception ignored) { | ||
assertTrue(false) | ||
} | ||
} | ||
} |