railwaysystem/scripts/qa/CheckRound3bDatabase.java

package scripts.qa;

import java.io.File;
import java.nio.file.Files;
import java.sql.*;

public class CheckRound3bDatabase {
    public static void main(String[] args) throws Exception {
        Class.forName("com.kingbase8.Driver");
        
        // Read password safely from ~/.railwaysystem-qa.env
        File envFile = new File(System.getProperty("user.home"), ".railwaysystem-qa.env");
        String pass = "";
        if (envFile.exists()) {
            for (String line : Files.readAllLines(envFile.toPath())) {
                line = line.trim();
                if (line.startsWith("QA_DB_PASSWORD=")) {
                    pass = line.substring("QA_DB_PASSWORD=".length()).trim();
                    if (pass.startsWith("\"") && pass.endsWith("\"")) {
                        pass = pass.substring(1, pass.length() - 1);
                    }
                }
            }
        }
        if (pass.isEmpty()) {
            throw new IllegalStateException("QA_DB_PASSWORD is required and must be configured in ~/.railwaysystem-qa.env");
        }

        String dbUrl = "jdbc:kingbase8://192.168.139.218:4321/railwaysystem_integrated_qa_20260916?useUnicode=true&characterEncoding=utf8";
        try (Connection conn = DriverManager.getConnection(dbUrl, "kingbase", pass)) {
            try (Statement st = conn.createStatement()) {
                try (ResultSet rs = st.executeQuery("SELECT current_database(), current_user")) {
                    if (rs.next()) {
                        System.out.println("CURRENT_DATABASE=" + rs.getString(1));
                        System.out.println("CURRENT_USER=" + rs.getString(2));
                    }
                }

                String[] tables = new String[]{
                    "train_class_plan", "train_teacher", "train_student", "train_course",
                    "train_classroom_info", "train_training_site", "train_dormitory_info",
                    "train_lesson", "train_enrollment", "train_accommodation", "train_student_checkin",
                    "train_dorm_auth", "train_external_operation", "train_student_portrait", "train_study_duration",
                    "sys_user", "sys_role"
                };

                for (String t : tables) {
                    try (ResultSet rs = st.executeQuery("SELECT count(*) FROM public." + t)) {
                        if (rs.next()) {
                            System.out.println("TABLE_" + t.toUpperCase() + "=" + rs.getInt(1));
                        }
                    }
                }
            }
        }
    }
}