fe/be-java-extensions/hive-udf-shade/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>be-java-extensions</artifactId>
        <groupId>org.apache.doris</groupId>
        <version>${revision}</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>hive-udf-shade</artifactId>
    <packaging>jar</packaging>
    <name>Doris BE Java Extensions - Hive UDF Contract Shade</name>
    <description>
        Minimal shaded jar carrying ONLY the Hive UDF contract classes
        (org.apache.hadoop.hive.ql.exec.UDF plus its load-time closure) that a
        user Hive UDF extends. Replaces the ~122MB shaded Hive catalog fat jar
        that java-udf previously bundled just to provide this handful of classes.
    </description>

    <dependencies>
        <!--
          Source of the UDF contract classes. Marked optional so java-udf, which
          depends on this shaded module, does NOT transitively re-pull the full
          hive-exec:core jar: the ~handful of classes it needs are already baked
          into hive-udf-shade.jar by the shade filter below. The wildcard
          exclusion prunes hive-exec's heavy transitive tree (calcite/orc/...)
          from resolution entirely, since we bundle nothing but hive-exec itself.
        -->
        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-exec</artifactId>
            <classifier>core</classifier>
            <version>${hive.version}</version>
            <optional>true</optional>
            <exclusions>
                <exclusion>
                    <groupId>*</groupId>
                    <artifactId>*</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <finalName>hive-udf-shade</finalName>
        <directory>${project.basedir}/target/</directory>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>3.2.4</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <createDependencyReducedPom>false</createDependencyReducedPom>
                    <!-- Bundle only hive-exec; the project itself has no sources. -->
                    <artifactSet>
                        <includes>
                            <include>org.apache.hive:hive-exec</include>
                        </includes>
                    </artifactSet>
                    <!--
                      Keep ONLY the Hive UDF contract + its load-time closure:
                        - ql/exec/UDF*                  UDF base class, UDFMethodResolver,
                                                        UDFArgument*Exception, UDFClassLoader
                        - ql/exec/DefaultUDFMethodResolver  instantiated by the UDF ctor
                        - ql/exec/Description           the @Description annotation
                        - ql/metadata/HiveException*    declared by some user UDFs
                      FunctionRegistry is referenced only inside the never-called
                      DefaultUDFMethodResolver.getEvalMethod(), so it is intentionally
                      excluded. Everything else in hive-exec is dropped.
                    -->
                    <filters>
                        <filter>
                            <artifact>org.apache.hive:hive-exec</artifact>
                            <includes>
                                <include>org/apache/hadoop/hive/ql/exec/UDF*.class</include>
                                <include>org/apache/hadoop/hive/ql/exec/DefaultUDFMethodResolver*.class</include>
                                <include>org/apache/hadoop/hive/ql/exec/Description*.class</include>
                                <include>org/apache/hadoop/hive/ql/metadata/HiveException*.class</include>
                            </includes>
                        </filter>
                    </filters>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>