<?xml version="1.0" encoding="UTF-8"?>
<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><groupId>org.example</groupId><artifactId>TestStarrocksJdbc</artifactId><version>1.0-SNAPSHOT</version><properties><maven.compiler.source>8</maven.compiler.source><maven.compiler.target>8</maven.compiler.target><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId>
<!--            <version>5.1.47</version>--><version>8.0.28</version></dependency></dependencies><build><plugins><plugin><artifactId>maven-assembly-plugin</artifactId><configuration><descriptorRefs><descriptorRef>jar-with-dependencies</descriptorRef></descriptorRefs><archive><manifest><addClasspath>true</addClasspath><mainClass>com.example.Test</mainClass></manifest></archive></configuration><executions><execution><id>make-assembly</id><phase>package</phase><goals><goal>single</goal></goals></execution></executions></plugin></plugins></build></project>

package com.example;import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;public class Test {private static Connection connection;public Test() {}public static List<Map<String, Object>> starRocksRead(String sql) {Long start = System.currentTimeMillis();System.out.println("sql is: " + sql);try {List<Map<String, Object>> list = new ArrayList();PreparedStatement statement = connection.prepareStatement(sql);ResultSet resultSet = statement.executeQuery();ResultSetMetaData rsmd = resultSet.getMetaData();int count = rsmd.getColumnCount();while(resultSet.next()) {Map<String, Object> map = new HashMap();for(int i = 1; i <= count; ++i) {String columnName = rsmd.getColumnName(i);Object value = resultSet.getObject(i);map.put(columnName, value);}list.add(map);}System.out.println("result is: " + list);return list;} catch (Exception var11) {var11.printStackTrace();Long end = System.currentTimeMillis();System.out.println((end - start) / 60L);return null;}}public static void main(String[] args) {try {if (args.length != 5) {System.out.println("未指定连接地址和sql，程序自动退出");System.exit(1);}String ip = args[0];Integer port = Integer.valueOf(args[1]);String account = args[2];String password = args[3];String sql = args[4];try {Class.forName("com.mysql.cj.jdbc.Driver");} catch (ClassNotFoundException var7) {throw new SQLException(var7);}String jdbcUrl = String.format("jdbc:mysql://%s:%s?connectTimeout=5000&socketTimeout=30000", ip, port);connection = DriverManager.getConnection(jdbcUrl, account, password);starRocksRead(sql);if (connection != null) {connection.close();}} catch (Exception var8) {var8.printStackTrace();}}
}

sql=$(cat test.sql )

java -jar ~/TestStarrocksJdbc-1.0-SNAPSHOT-jar-with-dependencies.jar 127.0.0.1 9030 username password "$sql"