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Merged
merged 3 commits into from
Sep 9, 2025
Merged

Test Db Application #54

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9863708
Test Db Application
KirillKurdyukov Sep 9, 2025
60daaf3
Test Db Application
KirillKurdyukov Sep 9, 2025
d21c9fe
Test Db Application
KirillKurdyukov Sep 9, 2025
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143 changes: 143 additions & 0 deletions jdbc/spring-test-db/pom.xml
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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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>tech.ydb.jdbc.examples</groupId>
<artifactId>ydb-jdbc-examples</artifactId>
<version>1.1.0-SNAPSHOT</version>
</parent>

<artifactId>spring-test-db</artifactId>
<name>Spring Data Test Db Example</name>
<properties>
<maven.compiler.release>17</maven.compiler.release>
<kotlin.version>1.9.22</kotlin.version>
<hibernate.ydb.dialect.version>1.4.0</hibernate.ydb.dialect.version>
<spring.boot.version>3.2.1</spring.boot.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
<version>${spring.boot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-commons</artifactId>
<version>${spring.boot.version}</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-reflect</artifactId>
<version>${kotlin.version}</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-stdlib</artifactId>
<version>${kotlin.version}</version>
</dependency>
<dependency>
<groupId>tech.ydb.dialects</groupId>
<artifactId>hibernate-ydb-dialect</artifactId>
<version>${hibernate.ydb.dialect.version}</version>
</dependency>
<dependency>
<groupId>tech.ydb.jdbc</groupId>
<artifactId>ydb-jdbc-driver</artifactId>
</dependency>
<dependency>
<groupId>com.github.javafaker</groupId>
<artifactId>javafaker</artifactId>
<version>1.0.2</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlinx</groupId>
<artifactId>kotlinx-coroutines-core</artifactId>
<version>1.7.3</version>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>42.7.3</version>
</dependency>
<dependency>
<groupId>org.testcontainers</groupId>
<artifactId>postgresql</artifactId>
<version>1.19.1</version>
<scope>test</scope>
</dependency>

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>${spring.boot.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>tech.ydb.test</groupId>
<artifactId>ydb-junit5-support</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
<testSourceDirectory>${project.basedir}/src/test/kotlin</testSourceDirectory>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<environmentVariables>
<TESTCONTAINERS_REUSE_ENABLE>true</TESTCONTAINERS_REUSE_ENABLE>
</environmentVariables>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring.boot.version}</version>
</plugin>
<plugin>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-plugin</artifactId>
<version>${kotlin.version}</version>
<executions>
<execution>
<id>compile</id>
<phase>compile</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
<execution>
<id>test-compile</id>
<goals>
<goal>test-compile</goal>
</goals>
</execution>
</executions>
<configuration>
<jvmTarget>17</jvmTarget>
<args>
<arg>-Xjsr305=strict</arg>
</args>
<compilerPlugins>
<plugin>spring</plugin>
<plugin>jpa</plugin>
</compilerPlugins>
</configuration>
<dependencies>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-allopen</artifactId>
<version>${kotlin.version}</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-noarg</artifactId>
<version>${kotlin.version}</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>
49 changes: 49 additions & 0 deletions jdbc/spring-test-db/src/main/kotlin/tech/ydb/testdb/TestDbApplication.kt
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package tech.ydb.testdb

import jakarta.persistence.EntityManager
import org.slf4j.LoggerFactory
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.boot.CommandLineRunner
import org.springframework.boot.autoconfigure.SpringBootApplication
import org.springframework.boot.runApplication
import java.time.Instant

/**
* @author Kirill Kurdyukov
*/
@SpringBootApplication
class TestDbApplication : CommandLineRunner {
companion object {
private val log = LoggerFactory.getLogger(TestDbApplication::class.java)
}

@Autowired
lateinit var entityManager: EntityManager

override fun run(vararg args: String?) {
val testString = String(ByteArray(1024) { 'a'.code.toByte() })

var sink = 0
val t0 = System.nanoTime()
val end = t0 + 10_000_000_000L
var count = 0
while (System.nanoTime() < end) {
sink += getFixedString(testString).length
count++
}
val elapsed = System.nanoTime() - t0
val avgMs = elapsed.toDouble() / count / 1_000_000.0
val opsPerSec = count * 1e9 / elapsed
log.info("avg={} ms/op, throughput={} ops/s", avgMs, opsPerSec)
}

fun getFixedString(s: String): String {
return entityManager.createNativeQuery("SELECT ?1")
.setParameter(1, s)
.singleResult.toString()
}
}

fun main(args: Array<String>) {
runApplication<TestDbApplication>(*args)
}
4 changes: 4 additions & 0 deletions jdbc/spring-test-db/src/main/resources/application.properties
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spring.jpa.properties.hibernate.dialect=tech.ydb.hibernate.dialect.YdbDialect

spring.datasource.driver-class-name=tech.ydb.jdbc.YdbDriver
spring.datasource.url=jdbc:ydb:grpc://localhost:2136/local