Source Code Cross Referenced for TestInsertIntoSeveralLargeIndices.java in  » Database-DBMS » axion » org » axiondb » functional » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » axion » org.axiondb.functional 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: TestInsertIntoSeveralLargeIndices.java,v 1.4 2005/05/02 22:32:02 ahimanikya Exp $
003:         * =======================================================================
004:         * Copyright (c) 2003 Axion Development Team.  All rights reserved.
005:         *
006:         * Redistribution and use in source and binary forms, with or without
007:         * modification, are permitted provided that the following conditions
008:         * are met:
009:         *
010:         * 1. Redistributions of source code must retain the above
011:         *    copyright notice, this list of conditions and the following
012:         *    disclaimer.
013:         *
014:         * 2. Redistributions in binary form must reproduce the above copyright
015:         *    notice, this list of conditions and the following disclaimer in
016:         *    the documentation and/or other materials provided with the
017:         *    distribution.
018:         *
019:         * 3. The names "Tigris", "Axion", nor the names of its contributors may
020:         *    not be used to endorse or promote products derived from this
021:         *    software without specific prior written permission.
022:         *
023:         * 4. Products derived from this software may not be called "Axion", nor
024:         *    may "Tigris" or "Axion" appear in their names without specific prior
025:         *    written permission.
026:         *
027:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
028:         * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
029:         * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
030:         * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
031:         * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
032:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
033:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
034:         * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
035:         * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
036:         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
037:         * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
038:         * =======================================================================
039:         */
040:
041:        package org.axiondb.functional;
042:
043:        import java.io.File;
044:        import java.sql.Connection;
045:        import java.sql.DriverManager;
046:        import java.sql.PreparedStatement;
047:        import java.sql.SQLException;
048:        import java.sql.Statement;
049:        import java.util.Random;
050:
051:        import junit.framework.Test;
052:        import junit.framework.TestSuite;
053:
054:        /**
055:         * @version $Revision: 1.4 $ $Date: 2005/05/02 22:32:02 $
056:         * @author Rodney Waldhoff
057:         */
058:        public class TestInsertIntoSeveralLargeIndices extends
059:                AbstractFunctionalTest {
060:
061:            //------------------------------------------------------------ Conventional
062:
063:            public TestInsertIntoSeveralLargeIndices(String testName) {
064:                super (testName);
065:            }
066:
067:            public static Test suite() {
068:                return new TestSuite(TestInsertIntoSeveralLargeIndices.class);
069:            }
070:
071:            public static void main(String[] args) throws Exception {
072:                TestInsertIntoSeveralLargeIndices test = new TestInsertIntoSeveralLargeIndices(
073:                        "via main");
074:                int rowsToInsert = DEFAULT_TOTAL_INSERTS;
075:                int commitEvery = DEFAULT_COMMIT_EVERY;
076:                boolean createStringIndices = true;
077:                switch (args.length) {
078:                case 0:
079:                    break;
080:                case 3:
081:                    createStringIndices = "true".equals(args[2]);
082:                case 2:
083:                    commitEvery = Integer.parseInt(args[1]);
084:                case 1:
085:                    try {
086:                        rowsToInsert = Integer.parseInt(args[0]);
087:                    } catch (NumberFormatException e) {
088:                        printHelp();
089:                        return;
090:                    }
091:                    break;
092:                default:
093:                    printHelp();
094:                    return;
095:                }
096:                test.createSchema(createStringIndices);
097:                test.populate(rowsToInsert, commitEvery);
098:            }
099:
100:            //--------------------------------------------------------------- Lifecycle
101:
102:            public void setUp() throws Exception {
103:                createSchema(true);
104:            }
105:
106:            public void tearDown() throws Exception {
107:                super .tearDown();
108:            }
109:
110:            protected String getConnectString() {
111:                return "jdbc:axiondb:testdb:testdb";
112:            }
113:
114:            protected File getDatabaseDirectory() {
115:                return new File("testdb");
116:            }
117:
118:            //------------------------------------------------------------------- Tests
119:
120:            public void testPopulate() throws Exception {
121:                populate(DEFAULT_TOTAL_INSERTS, DEFAULT_COMMIT_EVERY);
122:            }
123:
124:            //-------------------------------------------------------------- 
125:
126:            private void createSchema(boolean createStringIndices)
127:                    throws Exception {
128:                Connection conn = DriverManager
129:                        .getConnection(getConnectString());
130:                Statement stmt = conn.createStatement();
131:                stmt.execute("create sequence mysequence");
132:                stmt
133:                        .execute("create table mytable ( id integer, columna varchar(10), columnb varchar(10), columnc varchar(10), columnd varchar(10) )");
134:                stmt.execute("create btree index indexid on mytable ( id )");
135:                if (createStringIndices) {
136:                    stmt
137:                            .execute("create btree index indexa on mytable ( columna )");
138:                    stmt
139:                            .execute("create btree index indexb on mytable ( columnb )");
140:                    stmt
141:                            .execute("create btree index indexc on mytable ( columnc )");
142:                    stmt
143:                            .execute("create btree index indexd on mytable ( columnd )");
144:                }
145:                stmt.close();
146:                conn.close();
147:            }
148:
149:            private void populate(int totalInserts, int commitEvery)
150:                    throws SQLException {
151:                long init = System.currentTimeMillis();
152:                Connection conn = DriverManager
153:                        .getConnection(getConnectString());
154:                conn.setAutoCommit(false);
155:                PreparedStatement pstmt = conn
156:                        .prepareStatement("insert into mytable values ( mysequence.nextval, ?, ?, ?, ? )");
157:                long last = System.currentTimeMillis();
158:                for (int i = 0; i < totalInserts; i++) {
159:                    if (i != 0 && i % commitEvery == 0) {
160:                        long commitstart = System.currentTimeMillis();
161:                        conn.commit();
162:                        long now = System.currentTimeMillis();
163:                        printTimes(i, init, last, commitstart, now);
164:                        last = now;
165:                    }
166:                    pstmt.setString(1, createRandomString());
167:                    pstmt.setString(2, createRandomString());
168:                    pstmt.setString(3, createRandomString());
169:                    pstmt.setString(4, createRandomString());
170:                    pstmt.executeUpdate();
171:                }
172:                long commitstart = System.currentTimeMillis();
173:                conn.commit();
174:                long now = System.currentTimeMillis();
175:                printTimes(totalInserts, init, last, commitstart, now);
176:                pstmt.close();
177:                conn.close();
178:                System.out.println("Total time: "
179:                        + (System.currentTimeMillis() - init));
180:            }
181:
182:            private static String createRandomString() {
183:                char[] chars = new char[RANDOM.nextInt(64)];
184:                for (int i = 0; i < chars.length; i++) {
185:                    chars[i] = CHARS[RANDOM.nextInt(CHARS.length)];
186:                }
187:                return new String(chars);
188:            }
189:
190:            private static void printTimes(int totalRowCount, long startTime,
191:                    long timeOfLastCommit, long timeOfCommitStart, long now) {
192:                System.out
193:                        .println(totalRowCount
194:                                + " records inserted. [total time: "
195:                                + (now - startTime)
196:                                + ", time: "
197:                                + (now - timeOfLastCommit)
198:                                + "; free: "
199:                                + Runtime.getRuntime().freeMemory()
200:                                + "]. Commit time: "
201:                                + (100L * (now - timeOfCommitStart) / (now - timeOfLastCommit))
202:                                + "%");
203:            }
204:
205:            private static void printHelp() {
206:                System.out
207:                        .println("args: [<number of rows to insert> [<number of rows between commits> [<create string indices>]]]");
208:                System.out.println("defaults: " + DEFAULT_TOTAL_INSERTS + " "
209:                        + DEFAULT_COMMIT_EVERY + " true");
210:            }
211:
212:            //--------------------------------------------------------------
213:            private static final Random RANDOM = new Random();
214:
215:            private static final char[] CHARS;
216:            static {
217:                StringBuffer buf = new StringBuffer();
218:                for (char c = 'a'; c <= 'z'; c++) {
219:                    buf.append(c);
220:                }
221:                for (char c = 'A'; c <= 'Z'; c++) {
222:                    buf.append(c);
223:                }
224:                buf.append(" ~!@#$%^&*()-+=");
225:                for (char c = '0'; c <= '9'; c++) {
226:                    buf.append(c);
227:                }
228:                CHARS = buf.toString().toCharArray();
229:            }
230:
231:            private static final int DEFAULT_TOTAL_INSERTS = 200000;
232:            private static final int DEFAULT_COMMIT_EVERY = 5000;
233:        }
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