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ARROW-7744: [Java] Implement Flight JDBC Driver [WIP]#6343
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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. | ||
| --> | ||
| # Apache Arrow Flight JDBC Driver | ||
| JDBC Driver for executing queries against Flight servers. |
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| @@ -0,0 +1,254 @@ | ||
| <?xml version="1.0"?> | ||
| <!-- 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. --> | ||
| <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"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
| <parent> | ||
| <groupId>org.apache.arrow</groupId> | ||
| <artifactId>arrow-java-root</artifactId> | ||
| <version>0.16.0-SNAPSHOT</version> | ||
| <relativePath>../../pom.xml</relativePath> | ||
| </parent> | ||
| <artifactId>flight-jdbc</artifactId> | ||
| <name>Arrow Flight JDBC</name> | ||
| <description>(Experimental)Flight JDBC Driver</description> | ||
| <packaging>jar</packaging> | ||
| <properties> | ||
| <dep.grpc.version>1.24.0</dep.grpc.version> | ||
| <dep.protobuf.version>3.7.1</dep.protobuf.version> | ||
| <forkCount>1</forkCount> | ||
| </properties> | ||
| <dependencies> | ||
| <dependency> | ||
| <groupId>org.apache.arrow</groupId> | ||
| <artifactId>flight-core</artifactId> | ||
| <version>${project.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.apache.arrow</groupId> | ||
| <artifactId>arrow-memory</artifactId> | ||
| <version>${project.version}</version> | ||
| <scope>compile</scope> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.apache.arrow</groupId> | ||
| <artifactId>arrow-vector</artifactId> | ||
| <version>${project.version}</version> | ||
| <scope>compile</scope> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>io.grpc</groupId> | ||
| <artifactId>grpc-api</artifactId> | ||
| <version>${dep.grpc.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>io.grpc</groupId> | ||
| <artifactId>grpc-stub</artifactId> | ||
| <version>${dep.grpc.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>io.grpc</groupId> | ||
| <artifactId>grpc-protobuf</artifactId> | ||
| <version>${dep.grpc.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>com.google.protobuf</groupId> | ||
| <artifactId>protobuf-java</artifactId> | ||
| <version>${dep.protobuf.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>com.google.guava</groupId> | ||
| <artifactId>guava</artifactId> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.slf4j</groupId> | ||
| <artifactId>slf4j-api</artifactId> | ||
| </dependency> | ||
| </dependencies> | ||
| <build> | ||
| <extensions> | ||
| <extension> | ||
| <groupId>kr.motd.maven</groupId> | ||
| <artifactId>os-maven-plugin</artifactId> | ||
| <version>1.5.0.Final</version> | ||
| </extension> | ||
| </extensions> | ||
| <plugins> | ||
| <plugin> | ||
| <artifactId>maven-surefire-plugin</artifactId> | ||
| <configuration> | ||
| <enableAssertions>false</enableAssertions> | ||
| <systemPropertyVariables> | ||
| <arrow.test.dataRoot>${project.basedir}/../../../testing/data</arrow.test.dataRoot> | ||
| </systemPropertyVariables> | ||
| </configuration> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-shade-plugin</artifactId> | ||
| <version>3.1.1</version> | ||
| <executions> | ||
| <execution> | ||
| <id>shade-main</id> | ||
| <phase>package</phase> | ||
| <goals> | ||
| <goal>shade</goal> | ||
| </goals> | ||
| <configuration> | ||
| <shadedArtifactAttached>true</shadedArtifactAttached> | ||
| <shadedClassifierName>shaded</shadedClassifierName> | ||
| <artifactSet> | ||
| <includes> | ||
| <include>io.grpc:*</include> | ||
| <include>com.google.protobuf:*</include> | ||
| </includes> | ||
| </artifactSet> | ||
| <relocations> | ||
| <relocation> | ||
| <pattern>com.google.protobuf</pattern> | ||
| <shadedPattern>arrow.flight.com.google.protobuf</shadedPattern> | ||
| </relocation> | ||
| </relocations> | ||
| <transformers> | ||
| <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" /> | ||
| </transformers> | ||
| </configuration> | ||
| </execution> | ||
| <execution> | ||
| <id>shade-ext</id> | ||
| <phase>package</phase> | ||
| <goals> | ||
| <goal>shade</goal> | ||
| </goals> | ||
| <configuration> | ||
| <shadedArtifactAttached>true</shadedArtifactAttached> | ||
| <shadedClassifierName>shaded-ext</shadedClassifierName> | ||
| <artifactSet> | ||
| <includes> | ||
| <include>io.grpc:*</include> | ||
| <include>com.google.protobuf:*</include> | ||
| <include>com.google.guava:*</include> | ||
| </includes> | ||
| </artifactSet> | ||
| <relocations> | ||
| <relocation> | ||
| <pattern>com.google.protobuf</pattern> | ||
| <shadedPattern>arrow.flight.com.google.protobuf</shadedPattern> | ||
| </relocation> | ||
| <relocation> | ||
| <pattern>com.google.common</pattern> | ||
| <shadedPattern>arrow.flight.com.google.common</shadedPattern> | ||
| </relocation> | ||
| </relocations> | ||
| <transformers> | ||
| <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" /> | ||
| </transformers> | ||
| </configuration> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.xolstice.maven.plugins</groupId> | ||
| <artifactId>protobuf-maven-plugin</artifactId> | ||
| <version>0.5.0</version> | ||
| <configuration> | ||
| <protocArtifact>com.google.protobuf:protoc:${dep.protobuf.version}:exe:${os.detected.classifier}</protocArtifact> | ||
| <clearOutputDirectory>false</clearOutputDirectory> | ||
| <pluginId>grpc-java</pluginId> | ||
| <pluginArtifact>io.grpc:protoc-gen-grpc-java:${dep.grpc.version}:exe:${os.detected.classifier}</pluginArtifact> | ||
| </configuration> | ||
| <executions> | ||
| <execution> | ||
| <id>src</id> | ||
| <configuration> | ||
| <protoSourceRoot>${basedir}/../../../format/</protoSourceRoot> | ||
| <outputDirectory>${project.build.directory}/generated-sources/protobuf</outputDirectory> | ||
| </configuration> | ||
| <goals> | ||
| <goal>compile</goal> | ||
| <goal>compile-custom</goal> | ||
| </goals> | ||
| </execution> | ||
| <execution> | ||
| <id>test</id> | ||
| <configuration> | ||
| <protoSourceRoot>${basedir}/src/test/protobuf</protoSourceRoot> | ||
| <outputDirectory>${project.build.directory}/generated-test-sources//protobuf</outputDirectory> | ||
| </configuration> | ||
| <goals> | ||
| <goal>compile</goal> | ||
| <goal>compile-custom</goal> | ||
| </goals> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-dependency-plugin</artifactId> | ||
| <executions> | ||
| <execution> | ||
| <id>analyze</id> | ||
| <phase>verify</phase> | ||
| <goals> | ||
| <goal>analyze-only</goal> | ||
| </goals> | ||
| <configuration> | ||
| <ignoredDependencies combine.children="append"> | ||
| <ignoredDependency>io.netty:netty-tcnative-boringssl-static:*</ignoredDependency> | ||
| </ignoredDependencies> | ||
| </configuration> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| <plugin> <!-- add generated sources to classpath --> | ||
| <groupId>org.codehaus.mojo</groupId> | ||
| <artifactId>build-helper-maven-plugin</artifactId> | ||
| <version>1.9.1</version> | ||
| <executions> | ||
| <execution> | ||
| <id>add-generated-sources-to-classpath</id> | ||
| <phase>generate-sources</phase> | ||
| <goals> | ||
| <goal>add-source</goal> | ||
| </goals> | ||
| <configuration> | ||
| <sources> | ||
| <source>${project.build.directory}/generated-sources/protobuf</source> | ||
| </sources> | ||
| </configuration> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| <plugin> | ||
| <artifactId>maven-assembly-plugin</artifactId> | ||
| <version>3.0.0</version> | ||
| <configuration> | ||
| <descriptorRefs> | ||
| <descriptorRef>jar-with-dependencies</descriptorRef> | ||
| </descriptorRefs> | ||
| </configuration> | ||
| <executions> | ||
| <execution> | ||
| <id>make-assembly</id> | ||
| <phase>package</phase> | ||
| <goals> | ||
| <goal>single</goal> | ||
| </goals> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| </plugins> | ||
| </build> | ||
| </project> |
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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.arrow.jdbc; | ||
| import java.sql.Connection; | ||
| import java.sql.DriverPropertyInfo; | ||
| import java.sql.SQLException; | ||
| import java.sql.SQLFeatureNotSupportedException; | ||
| import java.util.Properties; | ||
| import java.util.logging.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| /** | ||
| * Driver. | ||
| */ | ||
| public class Driver implements java.sql.Driver { | ||
| private static final org.slf4j.Logger logger = LoggerFactory.getLogger(Driver.class); | ||
| /** JDBC connection string prefix. */ | ||
| private static final String PREFIX = "jdbc:arrow://"; | ||
| @Override | ||
| public Connection connect(String url, Properties properties) throws SQLException { | ||
| logger.info("connect() url={}", url); | ||
| //TODO this needs much more work to parse full URLs but this is enough to get end to end tests running | ||
| String c = url.substring(PREFIX.length()); | ||
| int i = c.indexOf(':'); | ||
| if (i == -1) { | ||
| return new FlightConnection(c, 50051); | ||
| } else { | ||
| return new FlightConnection(c.substring(0,i), Integer.parseInt(c.substring(i + 1))); | ||
| } | ||
| } | ||
| @Override | ||
| public boolean acceptsURL(String url) throws SQLException { | ||
| return url != null && url.startsWith(PREFIX); | ||
| } | ||
| @Override | ||
| public DriverPropertyInfo[] getPropertyInfo(String s, Properties properties) throws SQLException { | ||
| return new DriverPropertyInfo[0]; | ||
| } | ||
| @Override | ||
| public int getMajorVersion() { | ||
| return 0; | ||
| } | ||
| @Override | ||
| public int getMinorVersion() { | ||
| return 16; | ||
| } | ||
| @Override | ||
| public boolean jdbcCompliant() { | ||
| return false; | ||
| } | ||
| @Override | ||
| public Logger getParentLogger() throws SQLFeatureNotSupportedException { | ||
| throw new SQLFeatureNotSupportedException(); | ||
| } | ||
| } | ||
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Flight has a set of URI schemes (
grpc+tcp,grpc+tls, etc), maybe those should be reflected?There was a problem hiding this comment.
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Then the Flight URI (minus the jdbc prefix) could get passed to the
FlightConnection.