testcachesize.java

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package org.hsqldb.test;

import java.io.FileWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Random;

import org.hsqldb.lib.FileUtil;
import org.hsqldb.lib.StopWatch;
import org.hsqldb.persist.HsqlProperties;

/**
 * Test large cached tables by setting up a cached table of 100000 records
 * or more and a much smaller memory table with about 1/100th rows used.
 * Populate both tables so that an indexed column of the cached table has a
 * foreign key reference to the main table.
 *
 * This database can be used to demonstrate efficient queries to retrieve
 * the data from the cached table.
 *
 * 1.7.1 insert timings for 100000 rows, cache scale 12:
 * simple table, no extra index: 52 s
 * with index on lastname only: 56 s
 * with index on zip only: 211 s
 * foreign key, referential_integrity true: 216 s
 *
 * The above have improved a lot in 1.7.2
 *
 * This test now incorporates the defunct TestTextTables
 *
 * @author fredt@users
 * @version 1.8.0
 * @since 1.7.0
 */
public class TestCacheSize {

    // program can edit the *.properties file to set cache_size, old files are deleted
    protected boolean filedb = true;

    // shutdown performed mid operation - not for mem: or hsql: URL's
    protected boolean shutdown = true;

    // fixed
    protected String url = "jdbc:hsqldb:";

//    protected String  filepath = "hsql://localhost/mytest";
//    protected String filepath = "mem:test";
    protected String filepath = "/hsql/testcache/test";

    // frequent reporting of progress
    boolean reportProgress = false;

    // type of the big table {MEMORY | CACHED | TEXT | ""}
    String  tableType      = "CACHED";
    int     cacheScale     = 12;
    int     cacheSizeScale = 10;
    boolean nioMode        = false;

    // script format {TEXT | BINARY | COMPRESSED}
    String  logType       = "TEXT";
    int     writeDelay    = 60;
    boolean indexZip      = false;
    boolean indexLastName = false;
    boolean addForeignKey = false;
    boolean refIntegrity  = true;

    // may speed up inserts when tableType=="CACHED"
    boolean createTempTable = false;

    // introduces fragmentation to the .data file during insert
    boolean deleteWhileInsert         = false;
    int     deleteWhileInsertInterval = 10000;

    // size of the tables used in test
    int bigrows = 16000;

    // number of ops
    int bigops    = 16000;
    int smallops  = 8000;
    int smallrows = 0xfff;

    // if the extra table needs to be created and filled up
    boolean multikeytable = false;

    //
    String     user;
    String     password;
    Statement  sStatement;
    Connection cConnection;
    FileWriter writer;

    private void checkSelects() {

        countTestID();
        selectID();
        selectZipTable();
    }

    private void checkUpdates() {

        updateIDLinear();
        updateID();
        countTestID();
        deleteTest();
        countTestID();
        countZip();
    }

    protected void setUp() {

        try {
            writer = new FileWriter("speedtests.html", true);

            writer.write("<table>\n");
            storeResult(new java.util.Date().toString(), 0, 0, 0);
            storeResult(filepath + " " + tableType + " " + nioMode,
                        cacheScale, 0, 0);
        } catch (Exception e) {}

        user     = "sa";
        password = "";

        try {
            sStatement  = null;
            cConnection = null;

            Class.forName("org.hsqldb.jdbcDriver");

            if (filedb) {
                deleteDatabase(filepath);

                cConnection = DriverManager.getConnection(url + filepath,
                        user, password);
                sStatement = cConnection.createStatement();

                sStatement.execute("SET WRITE_DELAY " + 10);
                sStatement.execute("SET CHECKPOINT DEFRAG " + 10);
                sStatement.execute("SET SCRIPTFORMAT " + logType);
                sStatement.execute("SET LOGSIZE " + 6);
                sStatement.execute("SET PROPERTY \"hsqldb.cache_scale\" "
                                   + cacheScale);
                sStatement.execute("SET PROPERTY \"hsqldb.cache_size_scale\" "
                                   + cacheSizeScale);
                sStatement.execute("SET PROPERTY \"hsqldb.nio_data_file\" "
                                   + nioMode);
                sStatement.execute("SHUTDOWN");
                cConnection.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("TestSql.setUp() error: " + e.getMessage());
        }
    }

    /**
     * Fill up the cache
     *
     *
     */
    public void testFillUp() {

        StopWatch sw    = new StopWatch();
        String    ddl1  = "DROP TABLE test IF EXISTS";
        String    ddl11 = "DROP TABLE zip IF EXISTS";
        String    ddl2  = "CREATE TABLE zip( zip INT IDENTITY )";
        String ddl3 = "CREATE " + tableType + " TABLE test( id INT IDENTITY,"
                      + " firstname VARCHAR(20), "
                      + " lastname VARCHAR(20), " + " zip INTEGER, "
                      + " filler VARCHAR(300))";
        String ddl31 = "SET TABLE test SOURCE \"test.csv;cache_scale="
                       + cacheScale + "\"";

        // adding extra index will slow down inserts a bit
        String ddl4 = "CREATE INDEX idx1 ON TEST (lastname)";

        // adding this index will slow down  inserts a lot
        String ddl5 = "CREATE INDEX idx2 ON TEST (zip)";

        // referential integrity checks will slow down inserts a bit
        String ddl6 =
            "ALTER TABLE test add constraint c1 FOREIGN KEY (zip) REFERENCES zip(zip) ON DELETE CASCADE;";
        String ddl7 = "CREATE TEMP TABLE temptest( id INT,"
                      + " firstname VARCHAR, " + " lastname VARCHAR, "
                      + " zip INTEGER, " + " filler VARCHAR)";
        String filler =
            "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
            + "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ";
        String mddl1 = "DROP TABLE test2 IF EXISTS";
        String mddl2 = "CREATE " + tableType
                       + " TABLE test2( id1 INT, id2 INT,"
                       + " firstname VARCHAR, " + " lastname VARCHAR, "
                       + " zip INTEGER, " + " filler VARCHAR, "
                       + " PRIMARY KEY (id1,id2) )";
        String mdd13 = "SET TABLE test2 SOURCE \"test2.csv;cache_scale="
                       + cacheScale + "\"";

        try {

//            System.out.println("Connecting");
            sw.zero();

            cConnection = null;
            sStatement  = null;
            cConnection = DriverManager.getConnection(url + filepath, user,
                    password);

            System.out.println("connection time -- " + sw.elapsedTime());
            sw.zero();

            sStatement = cConnection.createStatement();

            java.util.Random randomgen = new java.util.Random();

//            sStatement.execute("SET WRITE_DELAY " + writeDelay);
            sStatement.execute(ddl1);
            sStatement.execute(ddl2);
            sStatement.execute(ddl3);

            if (tableType.equals("TEXT")) {
                sStatement.execute(ddl31);
            }

//            System.out.println("test table with no index");
            if (indexLastName) {
                sStatement.execute(ddl4);
                System.out.println("created index on lastname");
            }

            if (indexZip) {
                sStatement.execute(ddl5);
                System.out.println("created index on zip");
            }

            if (addForeignKey) {
                sStatement.execute(ddl6);
                System.out.println("added foreign key");
            }

            if (createTempTable) {
                sStatement.execute(ddl7);
                System.out.println("created temp table");
            }

            if (multikeytable) {
                sStatement.execute(mddl1);
                sStatement.execute(mddl2);

                if (tableType.equals("TEXT")) {
                    sStatement.execute(mdd13);
                }

                System.out.println("created multi key table");
            }

//            sStatement.execute("CREATE INDEX idx3 ON tempTEST (zip);");
            System.out.println("complete setup time -- " + sw.elapsedTime()
                               + " ms");
            fillUpBigTable(filler, randomgen);

            if (multikeytable) {
                fillUpMultiTable(filler, randomgen);
            }

            sw.zero();

            if (shutdown) {
                sStatement.execute("SHUTDOWN");

                long time = sw.elapsedTime();

                storeResult("shutdown", 0, time, 0);
                System.out.println("shutdown time  -- " + time + " ms");
            }

            cConnection.close();
        } catch (SQLException e) {
            System.out.println(e.getMessage());
        }
    }

    private void fillUpBigTable(String filler,
                                Random randomgen) throws SQLException {

        StopWatch sw = new StopWatch();