build.gradle

plugins {
    id 'java'
    id 'me.champeau.jmh' version '0.7.3'
}

repositories {
    mavenLocal()
    mavenCentral()
}

dependencies {
    jmh('com.manticore-projects.jsqlformatter:jsqlparser:5.3.218')
}

java {
    toolchain {
        languageVersion = JavaLanguageVersion.of(21)
    }
}

// ---------------------------------------------------------------------------
// jmhRun — the main benchmark task
//
// Runs ParseBenchmark.main() which discovers ALL queries dynamically
// (built-in + queries/*.sql) and passes them to JMH via OptionsBuilder.
// No Gradle MapProperty nonsense.
//
//   ./gradlew jmhRun                          # all queries
//   ./gradlew jmhRun -Pquery=hive_retention   # single query
//   ./gradlew jmhRun -PjmhFork=1             # fewer forks
// ---------------------------------------------------------------------------
tasks.register('jmhRun', JavaExec) {
    group = 'benchmark'
    description = 'Run JMH parse benchmarks with auto-discovered queries from queries/*.sql'
    dependsOn 'jmhJar'
    // Use the JMH fat JAR — it contains META-INF/BenchmarkList from the annotation processor
    classpath = files(tasks.named('jmhJar'))
    mainClass = 'net.sf.jsqlparser.benchmark.ParseBenchmark'

    // Ensure results directory exists
    doFirst {
        file('build/results/jmh').mkdirs()
    }

    // Forward Gradle properties as system properties to ParseBenchmark.main()
    systemProperty 'jmh.forks', project.findProperty('jmhFork') ?: '2'
    systemProperty 'jmh.warmupIterations', project.findProperty('jmhWarmupIterations') ?: '3'
    systemProperty 'jmh.iterations', project.findProperty('jmhIterations') ?: '5'

    if (project.hasProperty('query')) {
        systemProperty 'jmh.query', project.property('query')
    }

    jvmArgs = ['-Xms512m', '-Xmx2g']
}

// Quick ad-hoc benchmark (no JMH harness) — handy for fast iteration
tasks.register('quickBench', JavaExec) {
    group = 'benchmark'
    description = 'Run a quick best-of-N parse benchmark (no JMH). Use jmhRun for rigorous numbers.'
    dependsOn 'jmhClasses'
    classpath = sourceSets.jmh.runtimeClasspath
    mainClass = 'net.sf.jsqlparser.benchmark.QuickBench'
    jvmArgs = ['-Xms512m', '-Xmx2g']
}