[client-v2] Apache Arrow Example

examples/client-v2-apache-arrow/.gitattributes

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+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# Linux start script should use lf
+/gradlew        text eol=lf
+
+# These are Windows script files and should use crlf
+*.bat           text eol=crlf
+
+# Binary files should be left untouched
+*.jar           binary
+

examples/client-v2-apache-arrow/.gitignore

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+# Ignore Gradle project-specific cache directory
+.gradle
+
+# Ignore Gradle build output directory
+build

examples/client-v2-apache-arrow/build.gradle.kts

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+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This generated file contains a sample Java application project to get you started.
+ * For more details on building Java & JVM projects, please refer to https://docs.gradle.org/9.2.1/userguide/building_java_projects.html in the Gradle documentation.
+ */
+
+plugins {
+    // Apply the application plugin to add support for building a CLI application in Java.
+    application
+}
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+    mavenLocal()
+}
+
+dependencies {
+    // Use TestNG framework, also requires calling test.useTestNG() below
+    testImplementation(libs.testng)
+
+    implementation(libs.clickhouseClient)
+
+    implementation(platform(libs.arrowBom))
+    implementation(libs.arrowVector)
+    implementation(libs.arrowMemory)
+    implementation(libs.arrowCompression)
+    implementation(libs.flightCore)
+    implementation(libs.slf4jSimple)
+    implementation(libs.slf4jApi)
+
+    implementation(libs.guava)
+}
+
+// Apply a specific Java toolchain to ease working on different environments.
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(17)
+    }
+}
+
+application {
+    // Define the main class for the application.
+    mainClass = "org.example.App"
+}
+
+tasks.named<Test>("test") {
+    // Use TestNG for unit tests.
+    useTestNG()
+}

examples/client-v2-apache-arrow/gradle.properties

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+# This file was generated by the Gradle 'init' task.
+# https://docs.gradle.org/current/userguide/build_environment.html#sec:gradle_configuration_properties
+
+org.gradle.configuration-cache=true
+

examples/client-v2-apache-arrow/gradle/libs.versions.toml

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+# This file was generated by the Gradle 'init' task.
+# https://docs.gradle.org/current/userguide/platforms.html#sub::toml-dependencies-format
+
+[versions]
+guava = "33.4.6-jre"
+testng = "7.5.1"
+arrowBom = "19.0.0"
+adbc = "0.22.0"
+slf4j = "2.0.17"
+clickhouseClient = "0.9.8-SNAPSHOT"
+
+[libraries]
+guava = { module = "com.google.guava:guava", version.ref = "guava" }
+testng = { module = "org.testng:testng", version.ref = "testng" }
+clickhouseClient = { module = "com.clickhouse:client-v2", version.ref = "clickhouseClient" }
+
+# Arrow support
+arrowBom = {module = "org.apache.arrow:arrow-bom", version.ref = "arrowBom"}
+arrowVector = {module = "org.apache.arrow:arrow-vector" }
+arrowMemory = {module = "org.apache.arrow:arrow-memory-netty" }
+arrowCompression = { module = "org.apache.arrow:arrow-compression" }
+
+# Flight Server
+flightCore = {module = "org.apache.arrow:flight-core"}
+
+# Logging
+slf4jSimple = { module = "org.slf4j:slf4j-simple", version.ref = "slf4j"}
+slf4jApi = { module = "org.slf4j:slf4j-api", version.ref = "slf4j"}

examples/client-v2-apache-arrow/gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists