import java.io.FileInputStream;
import java.sql.*;
import java.util.Properties;
public class TblCheck {
    public static void main(String[] args) throws Exception {
        Properties props = new Properties();
        try (FileInputStream in = new FileInputStream(args[0])) { props.load(in); }
        try (Connection conn = DriverManager.getConnection(props.getProperty("url"), props.getProperty("username"), props.getProperty("password"))) {
            System.out.println("== tables matching log ==");
            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery(
                "SELECT name FROM sys.tables WHERE name LIKE '%log%' ORDER BY name")) {
                while (rs.next()) System.out.println("  " + rs.getString(1));
            }
            System.out.println("== s_login_log exists? rows? ==");
            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery(
                "SELECT COUNT(*) FROM sys.tables WHERE name = 's_login_log'")) {
                rs.next();
                boolean exists = rs.getInt(1) > 0;
                System.out.println("  exists=" + exists);
                if (exists) {
                    try (Statement st2 = conn.createStatement(); ResultSet rs2 = st2.executeQuery("SELECT COUNT(*) AS c FROM s_login_log")) {
                        rs2.next(); System.out.println("  rows=" + rs2.getInt("c"));
                    }
                    try (Statement st2 = conn.createStatement(); ResultSet rs2 = st2.executeQuery(
                        "SELECT name FROM sys.columns WHERE object_id=OBJECT_ID('s_login_log') ORDER BY column_id")) {
                        StringBuilder sb = new StringBuilder("  cols: ");
                        while (rs2.next()) sb.append(rs2.getString(1)).append(" ");
                        System.out.println(sb);
                    }
                }
            }
        }
    }
}