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开发impala结果表
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‎impala/impala-side/impala-all-side/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>sql.side.impala</artifactId>
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<groupId>com.dtstack.flink</groupId>
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<version>1.0-SNAPSHOT</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>sql.side.all.impala</artifactId>
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<name>impala-all-side</name>
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<packaging>jar</packaging>
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<properties>
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<sql.side.impala.core.version>1.0-SNAPSHOT</sql.side.impala.core.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.dtstack.flink</groupId>
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<artifactId>sql.side.impala.core</artifactId>
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<version>${sql.side.impala.core.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>1.4</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<artifactSet>
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<excludes>
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</excludes>
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</artifactSet>
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<filters>
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<filter>
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<artifactId>maven-antrun-plugin</artifactId>
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<version>1.2</version>
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<executions>
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<execution>
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<id>copy-resources</id>
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<!-- here the phase you need -->
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<phase>package</phase>
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<goals>
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<goal>run</goal>
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</goals>
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<configuration>
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<tasks>
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<copy todir="${basedir}/../../../plugins/impalaallside">
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<fileset dir="target/">
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<include name="${project.artifactId}-${project.version}.jar"/>
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</fileset>
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</copy>
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<move file="${basedir}/../../../plugins/impalaallside/${project.artifactId}-${project.version}.jar"
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tofile="${basedir}/../../../plugins/impalaallside/${project.name}-${git.branch}.jar"/>
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</tasks>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎impala/impala-side/impala-all-side/src/main/java/com/dtstack/flink/sql/side/impala/ImpalaAllReqRow.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.dtstack.flink.sql.side.impala;
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import com.dtstack.flink.sql.side.FieldInfo;
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import com.dtstack.flink.sql.side.JoinInfo;
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import com.dtstack.flink.sql.side.SideTableInfo;
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import com.dtstack.flink.sql.side.rdb.all.RdbAllReqRow;
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import com.dtstack.flink.sql.util.DtStringUtil;
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import com.google.common.collect.Maps;
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import org.apache.flink.api.java.typeutils.RowTypeInfo;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.util.List;
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import java.util.Map;
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/**
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* side operator with cache for all(period reload)
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* Date: 2019/11/12
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* Company: www.dtstack.com
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*
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* @author xiuzhu
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*/
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public class ImpalaAllReqRow extends RdbAllReqRow {
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private static final long serialVersionUID = 2098635140857937717L;
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private static final Logger LOG = LoggerFactory.getLogger(ImpalaAllReqRow.class);
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private static final String IMPALA_DRIVER = "com.cloudera.impala.jdbc41.Driver";
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public ImpalaAllReqRow(RowTypeInfo rowTypeInfo, JoinInfo joinInfo, List<FieldInfo> outFieldInfoList, SideTableInfo sideTableInfo) {
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super(new ImpalaAllSideInfo(rowTypeInfo, joinInfo, outFieldInfoList, sideTableInfo));
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}
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@Override
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public Connection getConn(String dbURL, String userName, String password) {
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try {
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Class.forName(IMPALA_DRIVER);
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//add param useCursorFetch=true
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Map<String, String> addParams = Maps.newHashMap();
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addParams.put("useCursorFetch", "true");
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//String targetDbUrl = DtStringUtil.addJdbcParam(dbURL, addParams, true);
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return DriverManager.getConnection(dbURL, userName, password);
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} catch (Exception e) {
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LOG.error("", e);
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throw new RuntimeException("", e);
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}
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}
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}

‎impala/impala-side/impala-all-side/src/main/java/com/dtstack/flink/sql/side/impala/ImpalaAllSideInfo.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.dtstack.flink.sql.side.impala;
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import com.dtstack.flink.sql.side.FieldInfo;
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import com.dtstack.flink.sql.side.JoinInfo;
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import com.dtstack.flink.sql.side.SideTableInfo;
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import com.dtstack.flink.sql.side.rdb.all.RdbAllSideInfo;
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import org.apache.flink.api.java.typeutils.RowTypeInfo;
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import java.util.List;
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public class ImpalaAllSideInfo extends RdbAllSideInfo {
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public ImpalaAllSideInfo(RowTypeInfo rowTypeInfo, JoinInfo joinInfo, List<FieldInfo> outFieldInfoList, SideTableInfo sideTableInfo) {
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super(rowTypeInfo, joinInfo, outFieldInfoList, sideTableInfo);
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}
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}

‎impala/impala-side/impala-async-side/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>sql.side.impala</artifactId>
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<groupId>com.dtstack.flink</groupId>
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<version>1.0-SNAPSHOT</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>sql.side.async.impala</artifactId>
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<name>impala-async-side</name>
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<packaging>jar</packaging>
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<properties>
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<sql.side.impala.core.version>1.0-SNAPSHOT</sql.side.impala.core.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.dtstack.flink</groupId>
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<artifactId>sql.side.impala.core</artifactId>
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<version>${sql.side.impala.core.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>1.4</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<artifactSet>
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<excludes>
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</excludes>
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</artifactSet>
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<filters>
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<filter>
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<artifactId>maven-antrun-plugin</artifactId>
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<version>1.2</version>
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<executions>
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<execution>
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<id>copy-resources</id>
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<!-- here the phase you need -->
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<phase>package</phase>
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<goals>
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<goal>run</goal>
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</goals>
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<configuration>
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<tasks>
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<copy todir="${basedir}/../../../plugins/impalaasyncside">
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<fileset dir="target/">
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<include name="${project.artifactId}-${project.version}.jar"/>
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</fileset>
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</copy>
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<move file="${basedir}/../../../plugins/impalaasyncside/${project.artifactId}-${project.version}.jar"
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tofile="${basedir}/../../../plugins/impalaasyncside/${project.name}-${git.branch}.jar"/>
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</tasks>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎impala/impala-side/impala-async-side/src/main/java/com/dtstack/flink/sql/side/impala/ImpalaAsyncReqRow.java‎

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package com.dtstack.flink.sql.side.impala;
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public class ImpalaAsyncReqRow {
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}

‎impala/impala-side/impala-async-side/src/main/java/com/dtstack/flink/sql/side/impala/ImpalaAsyncSideInfo.java‎

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package com.dtstack.flink.sql.side.impala;
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public class ImpalaAsyncSideInfo {
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}

‎impala/impala-side/impala-side-core/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>sql.side.impala</artifactId>
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<groupId>com.dtstack.flink</groupId>
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<version>1.0-SNAPSHOT</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>sql.side.impala.core</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>impala-side-core</name>
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</project>

‎impala/impala-side/impala-side-core/src/main/java/com/dtstack/flink/sql/side/impala/table/ImpalaSideParser.java‎

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.dtstack.flink.sql.side.impala.table;
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import com.dtstack.flink.sql.side.rdb.table.RdbSideParser;
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import com.dtstack.flink.sql.table.TableInfo;
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import java.util.Map;
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/**
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* Reason:
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* Date: 2019/11/12
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* Company: www.dtstack.com
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*
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* @author xiuzhu
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*/
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public class ImpalaSideParser extends RdbSideParser {
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private static final String CURR_TYPE = "impala";
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@Override
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public TableInfo getTableInfo(String tableName, String fieldsInfo, Map<String, Object> props) {
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TableInfo impalaTableInfo = super.getTableInfo(tableName, fieldsInfo, props);
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impalaTableInfo.setType(CURR_TYPE);
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return impalaTableInfo;
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}
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}

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