Source Code Cross Referenced for DatabaseManagerCommon.java in  » Database-DBMS » hsql » org » hsqldb » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » hsql » org.hsqldb.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* Copyright (c) 1995-2000, The Hypersonic SQL Group.
002:         * All rights reserved.
003:         *
004:         * Redistribution and use in source and binary forms, with or without
005:         * modification, are permitted provided that the following conditions are met:
006:         *
007:         * Redistributions of source code must retain the above copyright notice, this
008:         * list of conditions and the following disclaimer.
009:         *
010:         * Redistributions in binary form must reproduce the above copyright notice,
011:         * this list of conditions and the following disclaimer in the documentation
012:         * and/or other materials provided with the distribution.
013:         *
014:         * Neither the name of the Hypersonic SQL Group nor the names of its
015:         * contributors may be used to endorse or promote products derived from this
016:         * software without specific prior written permission.
017:         *
018:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
019:         * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
020:         * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
021:         * ARE DISCLAIMED. IN NO EVENT SHALL THE HYPERSONIC SQL GROUP,
022:         * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
023:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
024:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025:         * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
026:         * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027:         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028:         * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029:         *
030:         * This software consists of voluntary contributions made by many individuals 
031:         * on behalf of the Hypersonic SQL Group.
032:         *
033:         *
034:         * For work added by the HSQL Development Group:
035:         *
036:         * Copyright (c) 2001-2005, The HSQL Development Group
037:         * All rights reserved.
038:         *
039:         * Redistribution and use in source and binary forms, with or without
040:         * modification, are permitted provided that the following conditions are met:
041:         *
042:         * Redistributions of source code must retain the above copyright notice, this
043:         * list of conditions and the following disclaimer.
044:         *
045:         * Redistributions in binary form must reproduce the above copyright notice,
046:         * this list of conditions and the following disclaimer in the documentation
047:         * and/or other materials provided with the distribution.
048:         *
049:         * Neither the name of the HSQL Development Group nor the names of its
050:         * contributors may be used to endorse or promote products derived from this
051:         * software without specific prior written permission.
052:         *
053:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
054:         * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
055:         * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
056:         * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
057:         * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
058:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
059:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
060:         * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
061:         * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
062:         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
063:         * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
064:         */
065:
066:        package org.hsqldb.util;
067:
068:        import java.io.BufferedReader;
069:        import java.io.FileReader;
070:        import java.io.FileWriter;
071:        import java.io.IOException;
072:        import java.sql.SQLException;
073:        import java.sql.Statement;
074:        import java.util.Random;
075:
076:        // sqlbob@users 20020401 - patch 1.7.0 by sqlbob (RMP) - enhancements
077:        // sqlbob@users 20020407 - patch 1.7.0 - reengineering
078:        // nickferguson@users 20021005 - patch 1.7.1 - enhancements
079:        // fredt@users 20021012 - patch 1.7.1 - changes to test database DDL
080:        // weconsultants@users 20041116 - patch 1.8.0 - in 'TestHelp' added 'IF EXISTS for both DROPS.
081:        //                                Now catching the execption that was never caught before.
082:
083:        /**
084:         * Common code in Swing and AWT versions of DatabaseManager
085:         *
086:         * New class based on Hypersonic original
087:         *
088:         * @author Thomas Mueller (Hypersonic SQL Group)
089:         * @version 1.8.0
090:         * @since 1.7.0
091:         */
092:        class DatabaseManagerCommon {
093:
094:            private static Random rRandom = new Random(100);
095:            static String[] selectHelp = {
096:                    "SELECT * FROM ",
097:
098:                    "SELECT [LIMIT n m] [DISTINCT] \n"
099:                            + "{ selectExpression | table.* | * } [, ... ] \n"
100:                            + "[INTO [CACHED|TEMP|TEXT] newTable] \n"
101:                            + "FROM tableList \n"
102:                            + "[WHERE Expression] \n"
103:                            + "[ORDER BY selectExpression [{ASC | DESC}] [, ...] ] \n"
104:                            + "[GROUP BY Expression [, ...] ] \n" //
105:                            + "[UNION [ALL] selectStatement]" };
106:            static String[] insertHelp = {
107:                    "INSERT INTO ",
108:                    "INSERT INTO table [ (column [,...] ) ] \n"
109:                            + "{ VALUES(Expression [,...]) | SelectStatement }" };
110:            static String[] updateHelp = {
111:                    "UPDATE ",
112:                    "UPDATE table SET column = Expression [, ...] \n"
113:                            + "[WHERE Expression]" };
114:            static String[] deleteHelp = { "DELETE FROM ",
115:                    "DELETE FROM table [WHERE Expression]" };
116:            static String[] createTableHelp = {
117:                    "CREATE TABLE ",
118:                    "CREATE [TEMP] [CACHED|MEMORY|TEXT] TABLE name \n"
119:                            + "( columnDefinition [, ...] ) \n\n"
120:                            + "columnDefinition: \n"
121:                            + "column DataType [ [NOT] NULL] [PRIMARY KEY] \n"
122:                            + "DataType: \n"
123:                            + "{ INTEGER | DOUBLE | VARCHAR | DATE | TIME |... }" };
124:            static String[] dropTableHelp = { "DROP TABLE ", "DROP TABLE table" };
125:            static String[] createIndexHelp = {
126:                    "CREATE INDEX ",
127:                    "CREATE [UNIQUE] INDEX index ON \n"
128:                            + "table (column [, ...])" };
129:            static String[] dropIndexHelp = { "DROP INDEX ",
130:                    "DROP INDEX table.index" };
131:            static String[] checkpointHelp = { "CHECKPOINT",
132:                    "(HSQLDB SQL only)" };
133:            static String[] scriptHelp = { "SCRIPT",
134:                    "SCRIPT ['file']\n\n" + "(HSQLDB SQL only)" };
135:            static String[] shutdownHelp = {
136:                    "SHUTDOWN",
137:                    "SHUTDOWN [COMPACT|IMMEDIATELY|SCRIPT]\n\n"
138:                            + "(HSQLDB SQL only)" };
139:            static String[] setHelp = {
140:                    "SET ",
141:
142:                    "SET AUTOCOMMIT { TRUE | FALSE }\n"
143:                            + "SET DATABASE COLLATION \"<collationname>\"\n"
144:                            + "SET CHECKPOINT DEFRAG <size>\n"
145:                            + "SET IGNORECASE { TRUE | FALSE }\n"
146:                            + "SET INITIAL SCHEMA <schemaname>\n" //
147:                            + "SET LOGSIZE <size>\n" //
148:                            + "SET MAXROWS maxrows\n"
149:                            + "SET PASSWORD <password>\n" //
150:                            + "SET PROPERTY \"<propname>\" <propvalue>\n"
151:                            + "SET READONLY { TRUE | FALSE }\n"
152:                            + "SET REFERENTIAL_INTEGRITY { TRUE | FALSE }\n"
153:                            + "SET SCHEMA <schemaname>\n"
154:                            + "SET SCRIPTFORMAT { TEXT | BINARY | COMPRESSED }\n"
155:                            + "SET TABLE INDEX <tablename> '<index1rootPos>...'\n"
156:                            + "SET TABLE <tablename> READONLY { TRUE | FALSE }\n"
157:                            + "SET TABLE <tablename> SOURCE \"<file>\" [DESC]\n"
158:                            + "SET WRITE_DELAY { TRUE | FALSE | <seconds> | <ms> MILLIS }"
159:                            + "\n\n" + "(HSQLDB SQL only)" };
160:            static String[] testHelp = {
161:                    "-->>>TEST<<<-- ;\n" + "--#1000;\n"
162:                            + "DROP TABLE Test IF EXISTS;\n"
163:                            + "CREATE TABLE Test(\n"
164:                            + "  Id INTEGER PRIMARY KEY,\n"
165:                            + "  FirstName VARCHAR(20),\n"
166:                            + "  Name VARCHAR(50),\n" + "  ZIP INTEGER) ;\n"
167:                            + "INSERT INTO Test \n"
168:                            + "  VALUES(#,'Julia','Peterson-Clancy',#) ;\n"
169:                            + "UPDATE Test SET Name='Hans' WHERE Id=# ;\n"
170:                            + "SELECT * FROM Test WHERE Id=# ;\n"
171:                            + "DELETE FROM Test WHERE Id=# ;\n"
172:                            + "DROP TABLE Test IF EXISTS;",
173:                    "This test script is parsed by the DatabaseManager\n"
174:                            + "It may be changed manually. Rules:\n"
175:                            + "- it must start with -->>>TEST<<<--.\n"
176:                            + "- each line must end with ';' (no spaces after)\n"
177:                            + "- lines starting with -- are comments\n"
178:                            + "- lines starting with --#<count> means set new count\n" };
179:            static String[] testDataSql = {
180:                    "SELECT * FROM Product", //
181:                    "SELECT * FROM Invoice", //
182:                    "SELECT * FROM Item",
183:                    "SELECT * FROM Customer a INNER JOIN Invoice i ON a.ID=i.CustomerID",
184:                    "SELECT * FROM Customer a LEFT OUTER JOIN Invoice i ON a.ID=i.CustomerID",
185:                    "SELECT * FROM Invoice d INNER JOIN Item i ON d.ID=i.InvoiceID",
186:                    "SELECT * FROM Customer WHERE Street LIKE '1%' ORDER BY Lastname",
187:                    "SELECT a.id, a.firstname, a.lastname, count(i.Total) \"COUNT\", "
188:                            + "COALESCE(sum(i.Total), 0) \"TOTAL\", COALESCE(AVG(i.Total),0) \"AVG\" FROM Customer a "
189:                            + "LEFT OUTER JOIN Invoice i ON a.ID=i.CustomerID GROUP BY a.id, a.firstname, a.lastname" };
190:
191:            /**
192:             * Method declaration
193:             *
194:             *
195:             * @param s
196:             *
197:             * @return
198:             */
199:            static String random(String[] s) {
200:                return s[random(s.length)];
201:            }
202:
203:            /**
204:             * Method declaration
205:             *
206:             *
207:             * @param i
208:             *
209:             * @return
210:             */
211:            static int random(int i) {
212:
213:                i = rRandom.nextInt() % i;
214:
215:                return i < 0 ? -i : i;
216:            }
217:
218:            /**
219:             * Method declaration
220:             *
221:             */
222:            static void createTestTables(Statement sStatement) {
223:
224:                String[] demo = {
225:                        "DROP TABLE Item IF EXISTS;",
226:                        "DROP TABLE Invoice IF EXISTS;",
227:                        "DROP TABLE Product IF EXISTS;",
228:                        "DROP TABLE Customer IF EXISTS;",
229:                        "CREATE TABLE Customer(ID INTEGER PRIMARY KEY,FirstName VARCHAR,"
230:                                + "LastName VARCHAR,Street VARCHAR,City VARCHAR);",
231:                        "CREATE TABLE Product(ID INTEGER PRIMARY KEY,Name VARCHAR,"
232:                                + "Price DECIMAL);",
233:                        "CREATE TABLE Invoice(ID INTEGER PRIMARY KEY,CustomerID INTEGER,"
234:                                + "Total DECIMAL, FOREIGN KEY (CustomerId) "
235:                                + "REFERENCES Customer(ID) ON DELETE CASCADE);",
236:                        "CREATE TABLE Item(InvoiceID INTEGER,Item INTEGER,"
237:                                + "ProductID INTEGER,Quantity INTEGER,Cost DECIMAL,"
238:                                + "PRIMARY KEY(InvoiceID,Item), "
239:                                + "FOREIGN KEY (InvoiceId) REFERENCES "
240:                                + "Invoice (ID) ON DELETE CASCADE, FOREIGN KEY (ProductId) "
241:                                + "REFERENCES Product(ID) ON DELETE CASCADE);" };
242:
243:                for (int i = 0; i < demo.length; i++) {
244:
245:                    // drop table may fail
246:                    try {
247:                        sStatement.execute(demo[i]);
248:                    } catch (SQLException e) {
249:                        ;
250:                    }
251:                }
252:            }
253:
254:            /**
255:             * Method declaration
256:             *
257:             */
258:            static String createTestData(Statement sStatement)
259:                    throws SQLException {
260:
261:                String[] name = { "White", "Karsen", "Smith", "Ringer", "May",
262:                        "King", "Fuller", "Miller", "Ott", "Sommer",
263:                        "Schneider", "Steel", "Peterson", "Heiniger", "Clancy" };
264:                String[] firstname = { "Mary", "James", "Anne", "George",
265:                        "Sylvia", "Robert", "Janet", "Michael", "Andrew",
266:                        "Bill", "Susanne", "Laura", "Bob", "Julia", "John" };
267:                String[] street = { "Upland Pl.", "College Av.", "- 20th Ave.",
268:                        "Seventh Av." };
269:                String[] city = { "New York", "Dallas", "Boston", "Chicago",
270:                        "Seattle", "San Francisco", "Berne", "Oslo", "Paris",
271:                        "Lyon", "Palo Alto", "Olten" };
272:                String[] product = { "Iron", "Ice Tea", "Clock", "Chair",
273:                        "Telephone", "Shoe" };
274:                int max = 50;
275:
276:                sStatement.execute("SET REFERENTIAL_INTEGRITY FALSE");
277:
278:                for (int i = 0; i < max; i++) {
279:                    sStatement.execute("INSERT INTO Customer VALUES(" + i
280:                            + ",'" + random(firstname) + "','" + random(name)
281:                            + "','" + random(554) + " " + random(street)
282:                            + "','" + random(city) + "')");
283:                    sStatement.execute("INSERT INTO Product VALUES(" + i + ",'"
284:                            + random(product) + " " + random(product) + "',"
285:                            + (20 + 2 * random(120)) + ")");
286:                    sStatement.execute("INSERT INTO Invoice VALUES(" + i + ","
287:                            + random(max) + ",0.0)");
288:
289:                    for (int j = random(20) + 2; j >= 0; j--) {
290:                        sStatement.execute("INSERT INTO Item VALUES(" + i + ","
291:                                + j + "," + random(max) + ","
292:                                + (1 + random(24)) + ",1.5)");
293:                    }
294:                }
295:
296:                sStatement.execute("SET REFERENTIAL_INTEGRITY TRUE");
297:                sStatement
298:                        .execute("UPDATE Product SET Price=ROUND(Price*.1,2)");
299:                sStatement
300:                        .execute("UPDATE Item SET Cost=Cost*"
301:                                + "SELECT Price FROM Product prod WHERE ProductID=prod.ID");
302:                sStatement.execute("UPDATE Invoice SET Total=SELECT SUM(Cost*"
303:                        + "Quantity) FROM Item WHERE InvoiceID=Invoice.ID");
304:
305:                return ("SELECT * FROM Customer");
306:            }
307:
308:            /**
309:             * Method declaration
310:             * Redid this file to remove sizing requirements and to make it faster
311:             * Speeded it up 10 fold.
312:             * @param file
313:             * @return
314:             */
315:            static String readFile(String file) {
316:
317:                try {
318:                    FileReader reader = new FileReader(file);
319:                    BufferedReader read = new BufferedReader(reader);
320:                    StringBuffer b = new StringBuffer();
321:                    String s = null;
322:                    int count = 0;
323:
324:                    while ((s = read.readLine()) != null) {
325:                        count++;
326:
327:                        b.append(s);
328:                        b.append('\n');
329:                    }
330:
331:                    read.close();
332:                    reader.close();
333:
334:                    return b.toString();
335:                } catch (IOException e) {
336:                    return e.getMessage();
337:                }
338:            }
339:
340:            /**
341:             * Method declaration
342:             *
343:             *
344:             * @param file
345:             * @param text
346:             */
347:            static void writeFile(String file, String text) {
348:
349:                try {
350:                    FileWriter write = new FileWriter(file);
351:
352:                    write.write(text.toCharArray());
353:                    write.close();
354:                } catch (IOException e) {
355:                    e.printStackTrace();
356:                }
357:            }
358:
359:            /**
360:             * Method declaration
361:             *
362:             *
363:             * @param sql
364:             * @param max
365:             *
366:             * @return
367:             *
368:             * @throws SQLException
369:             */
370:            static long testStatement(Statement sStatement, String sql, int max)
371:                    throws SQLException {
372:
373:                long start = System.currentTimeMillis();
374:
375:                if (sql.indexOf('#') == -1) {
376:                    max = 1;
377:                }
378:
379:                for (int i = 0; i < max; i++) {
380:                    String s = sql;
381:
382:                    while (true) {
383:                        int j = s.indexOf("#r#");
384:
385:                        if (j == -1) {
386:                            break;
387:                        }
388:
389:                        s = s.substring(0, j) + ((int) (Math.random() * i))
390:                                + s.substring(j + 3);
391:                    }
392:
393:                    while (true) {
394:                        int j = s.indexOf('#');
395:
396:                        if (j == -1) {
397:                            break;
398:                        }
399:
400:                        s = s.substring(0, j) + i + s.substring(j + 1);
401:                    }
402:
403:                    sStatement.execute(s);
404:                }
405:
406:                return (System.currentTimeMillis() - start);
407:            }
408:
409:            private DatabaseManagerCommon() {
410:            }
411:        }
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