Source Code Cross Referenced for NodeFactoryImpl.java in  » Database-DBMS » db-derby-10.2 » org » apache » derby » impl » sql » compile » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.sql.compile 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:
003:           Derby - Class org.apache.derby.impl.sql.compile.NodeFactoryImpl
004:
005:           Licensed to the Apache Software Foundation (ASF) under one or more
006:           contributor license agreements.  See the NOTICE file distributed with
007:           this work for additional information regarding copyright ownership.
008:           The ASF licenses this file to you under the Apache License, Version 2.0
009:           (the "License"); you may not use this file except in compliance with
010:           the License.  You may obtain a copy of the License at
011:
012:              http://www.apache.org/licenses/LICENSE-2.0
013:
014:           Unless required by applicable law or agreed to in writing, software
015:           distributed under the License is distributed on an "AS IS" BASIS,
016:           WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
017:           See the License for the specific language governing permissions and
018:           limitations under the License.
019:
020:         */
021:
022:        package org.apache.derby.impl.sql.compile;
023:
024:        import java.util.Properties;
025:        import java.util.Vector;
026:
027:        import org.apache.derby.iapi.services.context.ContextManager;
028:
029:        import org.apache.derby.iapi.services.monitor.ModuleControl;
030:        import org.apache.derby.iapi.services.monitor.ModuleSupportable;
031:        import org.apache.derby.iapi.services.monitor.Monitor;
032:
033:        import org.apache.derby.iapi.sql.compile.Optimizer;
034:
035:        import org.apache.derby.iapi.sql.compile.NodeFactory;
036:        import org.apache.derby.iapi.sql.compile.C_NodeTypes;
037:        import org.apache.derby.iapi.sql.dictionary.TableDescriptor;
038:
039:        import org.apache.derby.iapi.services.sanity.SanityManager;
040:        import org.apache.derby.iapi.services.property.PropertyUtil;
041:
042:        import org.apache.derby.iapi.error.StandardException;
043:        import org.apache.derby.iapi.reference.SQLState;
044:
045:        import org.apache.derby.catalog.AliasInfo;
046:        import org.apache.derby.iapi.services.loader.ClassInfo;
047:        import org.apache.derby.iapi.util.StringUtil;
048:
049:        /**
050:         * This class is a factory for QueryTreeNode nodes.  It exists to provide
051:         * methods to generate new nodes without having to call new directly.
052:         * In the future, it may implement caching of nodes, as well, to avoid
053:         * memory management and garbage collection.
054:         *
055:         * @author Jeff Lichtman
056:         */
057:
058:        public class NodeFactoryImpl extends NodeFactory implements 
059:                ModuleControl, ModuleSupportable {
060:            //////////////////////////////////////////////////////////////////////
061:            //
062:            // CONSTANTS
063:            //
064:            //////////////////////////////////////////////////////////////////////
065:
066:            //////////////////////////////////////////////////////////////////////
067:            //
068:            // STATE
069:            //
070:            //////////////////////////////////////////////////////////////////////
071:
072:            /* Do join order optimization by default */
073:            private Boolean joinOrderOptimization = Boolean.TRUE;
074:
075:            private final ClassInfo[] nodeCi = new ClassInfo[205];
076:
077:            private static final Vector emptyVector = new Vector(0);
078:
079:            //////////////////////////////////////////////////////////////////////
080:            //
081:            // ModuleControl interface
082:            //
083:            //////////////////////////////////////////////////////////////////////
084:
085:            public boolean canSupport(Properties startParams) {
086:                return Monitor.isDesiredType(startParams,
087:                        org.apache.derby.iapi.reference.EngineType.NONE);
088:            }
089:
090:            /**
091:            	@see Monitor
092:            	@exception StandardException Ooops
093:             */
094:
095:            public void boot(boolean create, Properties startParams)
096:                    throws StandardException {
097:                /*
098:                 ** This system property determines whether to optimize join order
099:                 ** by default.  It is used mainly for testing - there are many tests
100:                 ** that assume the join order is fixed.
101:                 */
102:                String opt = PropertyUtil
103:                        .getSystemProperty(Optimizer.JOIN_ORDER_OPTIMIZATION);
104:                if (opt != null) {
105:                    joinOrderOptimization = Boolean.valueOf(opt);
106:                }
107:            }
108:
109:            /**
110:            	@see Monitor
111:             */
112:
113:            public void stop() {
114:            }
115:
116:            /**
117:              Every Module needs a public niladic constructor. It just does.
118:             */
119:            public NodeFactoryImpl() {
120:            }
121:
122:            /** @see NodeFactory#doJoinOrderOptimization */
123:            public Boolean doJoinOrderOptimization() {
124:                return joinOrderOptimization;
125:            }
126:
127:            /**
128:             * @see NodeFactory#getNode
129:             *
130:             * @exception StandardException		Thrown on error
131:             */
132:            public QueryTreeNode getNode(int nodeType, ContextManager cm)
133:                    throws StandardException {
134:
135:                ClassInfo ci = nodeCi[nodeType];
136:
137:                Class nodeClass = null;
138:                if (ci == null) {
139:                    String nodeName = nodeName(nodeType);
140:
141:                    try {
142:                        nodeClass = Class.forName(nodeName);
143:                    } catch (ClassNotFoundException cnfe) {
144:                        if (SanityManager.DEBUG) {
145:                            SanityManager.THROWASSERT(
146:                                    "Unexpected ClassNotFoundException", cnfe);
147:                        }
148:                    }
149:
150:                    ci = new ClassInfo(nodeClass);
151:                    nodeCi[nodeType] = ci;
152:                }
153:
154:                QueryTreeNode retval = null;
155:
156:                try {
157:                    retval = (QueryTreeNode) ci.getNewInstance();
158:                    //retval = (QueryTreeNode) nodeClass.newInstance();
159:                } catch (Exception iae) {
160:                    if (SanityManager.DEBUG) {
161:                        SanityManager.THROWASSERT("Unexpected Exception", iae);
162:                    }
163:                }
164:
165:                retval.setContextManager(cm);
166:                retval.setNodeType(nodeType);
167:
168:                return retval;
169:            }
170:
171:            /**
172:             * Translate a node type from C_NodeTypes to a class name
173:             *
174:             * @param nodeType	A node type identifier from C_NodeTypes
175:             *
176:             * @exception StandardException		Thrown on error
177:             */
178:            protected String nodeName(int nodeType) throws StandardException {
179:                switch (nodeType) {
180:                // WARNING: WHEN ADDING NODE TYPES HERE, YOU MUST ALSO ADD
181:                // THEM TO tools/jar/DBMSnode.properties
182:                // xxxRESOLVE: why not make this a giant array and simply index into
183:                // it? manish Thu Feb 22 14:49:41 PST 2001  
184:                case C_NodeTypes.CURRENT_ROW_LOCATION_NODE:
185:                    return C_NodeNames.CURRENT_ROW_LOCATION_NODE_NAME;
186:
187:                case C_NodeTypes.GROUP_BY_LIST:
188:                    return C_NodeNames.GROUP_BY_LIST_NAME;
189:
190:                case C_NodeTypes.ORDER_BY_LIST:
191:                    return C_NodeNames.ORDER_BY_LIST_NAME;
192:
193:                case C_NodeTypes.PREDICATE_LIST:
194:                    return C_NodeNames.PREDICATE_LIST_NAME;
195:
196:                case C_NodeTypes.RESULT_COLUMN_LIST:
197:                    return C_NodeNames.RESULT_COLUMN_LIST_NAME;
198:
199:                case C_NodeTypes.SUBQUERY_LIST:
200:                    return C_NodeNames.SUBQUERY_LIST_NAME;
201:
202:                case C_NodeTypes.TABLE_ELEMENT_LIST:
203:                    return C_NodeNames.TABLE_ELEMENT_LIST_NAME;
204:
205:                case C_NodeTypes.UNTYPED_NULL_CONSTANT_NODE:
206:                    return C_NodeNames.UNTYPED_NULL_CONSTANT_NODE_NAME;
207:
208:                case C_NodeTypes.TABLE_ELEMENT_NODE:
209:                    return C_NodeNames.TABLE_ELEMENT_NODE_NAME;
210:
211:                case C_NodeTypes.VALUE_NODE_LIST:
212:                    return C_NodeNames.VALUE_NODE_LIST_NAME;
213:
214:                case C_NodeTypes.ALL_RESULT_COLUMN:
215:                    return C_NodeNames.ALL_RESULT_COLUMN_NAME;
216:
217:                case C_NodeTypes.GET_CURRENT_CONNECTION_NODE:
218:                    return C_NodeNames.GET_CURRENT_CONNECTION_NODE_NAME;
219:
220:                case C_NodeTypes.NOP_STATEMENT_NODE:
221:                    return C_NodeNames.NOP_STATEMENT_NODE_NAME;
222:
223:                case C_NodeTypes.SET_TRANSACTION_ISOLATION_NODE:
224:                    return C_NodeNames.SET_TRANSACTION_ISOLATION_NODE_NAME;
225:
226:                case C_NodeTypes.CHAR_LENGTH_OPERATOR_NODE:
227:                    return C_NodeNames.LENGTH_OPERATOR_NODE_NAME;
228:
229:                    // ISNOTNULL compressed into ISNULL
230:                case C_NodeTypes.IS_NOT_NULL_NODE:
231:                case C_NodeTypes.IS_NULL_NODE:
232:                    return C_NodeNames.IS_NULL_NODE_NAME;
233:
234:                case C_NodeTypes.NOT_NODE:
235:                    return C_NodeNames.NOT_NODE_NAME;
236:
237:                case C_NodeTypes.SQL_TO_JAVA_VALUE_NODE:
238:                    return C_NodeNames.SQL_TO_JAVA_VALUE_NODE_NAME;
239:
240:                case C_NodeTypes.TABLE_NAME:
241:                    return C_NodeNames.TABLE_NAME_NAME;
242:
243:                case C_NodeTypes.GROUP_BY_COLUMN:
244:                    return C_NodeNames.GROUP_BY_COLUMN_NAME;
245:
246:                case C_NodeTypes.JAVA_TO_SQL_VALUE_NODE:
247:                    return C_NodeNames.JAVA_TO_SQL_VALUE_NODE_NAME;
248:
249:                case C_NodeTypes.FROM_LIST:
250:                    return C_NodeNames.FROM_LIST_NAME;
251:
252:                case C_NodeTypes.BOOLEAN_CONSTANT_NODE:
253:                    return C_NodeNames.BOOLEAN_CONSTANT_NODE_NAME;
254:
255:                case C_NodeTypes.AND_NODE:
256:                    return C_NodeNames.AND_NODE_NAME;
257:
258:                case C_NodeTypes.BINARY_EQUALS_OPERATOR_NODE:
259:                case C_NodeTypes.BINARY_GREATER_EQUALS_OPERATOR_NODE:
260:                case C_NodeTypes.BINARY_GREATER_THAN_OPERATOR_NODE:
261:                case C_NodeTypes.BINARY_LESS_EQUALS_OPERATOR_NODE:
262:                case C_NodeTypes.BINARY_LESS_THAN_OPERATOR_NODE:
263:                case C_NodeTypes.BINARY_NOT_EQUALS_OPERATOR_NODE:
264:                    return C_NodeNames.BINARY_RELATIONAL_OPERATOR_NODE_NAME;
265:
266:                case C_NodeTypes.BINARY_MINUS_OPERATOR_NODE:
267:                case C_NodeTypes.BINARY_PLUS_OPERATOR_NODE:
268:                case C_NodeTypes.BINARY_TIMES_OPERATOR_NODE:
269:                case C_NodeTypes.BINARY_DIVIDE_OPERATOR_NODE:
270:                case C_NodeTypes.MOD_OPERATOR_NODE:
271:                    return C_NodeNames.BINARY_ARITHMETIC_OPERATOR_NODE_NAME;
272:
273:                case C_NodeTypes.COALESCE_FUNCTION_NODE:
274:                    return C_NodeNames.COALESCE_FUNCTION_NODE_NAME;
275:
276:                case C_NodeTypes.CONCATENATION_OPERATOR_NODE:
277:                    return C_NodeNames.CONCATENATION_OPERATOR_NODE_NAME;
278:
279:                case C_NodeTypes.LIKE_OPERATOR_NODE:
280:                    return C_NodeNames.LIKE_OPERATOR_NODE_NAME;
281:
282:                case C_NodeTypes.OR_NODE:
283:                    return C_NodeNames.OR_NODE_NAME;
284:
285:                case C_NodeTypes.BETWEEN_OPERATOR_NODE:
286:                    return C_NodeNames.BETWEEN_OPERATOR_NODE_NAME;
287:
288:                case C_NodeTypes.CONDITIONAL_NODE:
289:                    return C_NodeNames.CONDITIONAL_NODE_NAME;
290:
291:                case C_NodeTypes.IN_LIST_OPERATOR_NODE:
292:                    return C_NodeNames.IN_LIST_OPERATOR_NODE_NAME;
293:
294:                case C_NodeTypes.BIT_CONSTANT_NODE:
295:                    return C_NodeNames.BIT_CONSTANT_NODE_NAME;
296:
297:                case C_NodeTypes.LONGVARBIT_CONSTANT_NODE:
298:                case C_NodeTypes.VARBIT_CONSTANT_NODE:
299:                case C_NodeTypes.BLOB_CONSTANT_NODE:
300:                    return C_NodeNames.VARBIT_CONSTANT_NODE_NAME;
301:
302:                case C_NodeTypes.CAST_NODE:
303:                    return C_NodeNames.CAST_NODE_NAME;
304:
305:                case C_NodeTypes.CHAR_CONSTANT_NODE:
306:                case C_NodeTypes.LONGVARCHAR_CONSTANT_NODE:
307:                case C_NodeTypes.VARCHAR_CONSTANT_NODE:
308:                case C_NodeTypes.CLOB_CONSTANT_NODE:
309:                    return C_NodeNames.CHAR_CONSTANT_NODE_NAME;
310:
311:                case C_NodeTypes.XML_CONSTANT_NODE:
312:                    return C_NodeNames.XML_CONSTANT_NODE_NAME;
313:
314:                case C_NodeTypes.COLUMN_REFERENCE:
315:                    return C_NodeNames.COLUMN_REFERENCE_NAME;
316:
317:                case C_NodeTypes.DROP_INDEX_NODE:
318:                    return C_NodeNames.DROP_INDEX_NODE_NAME;
319:
320:                case C_NodeTypes.DROP_TRIGGER_NODE:
321:                    return C_NodeNames.DROP_TRIGGER_NODE_NAME;
322:
323:                case C_NodeTypes.READ_CURSOR_NODE:
324:                    return C_NodeNames.READ_CURSOR_NODE_NAME;
325:
326:                case C_NodeTypes.TINYINT_CONSTANT_NODE:
327:                case C_NodeTypes.SMALLINT_CONSTANT_NODE:
328:                case C_NodeTypes.INT_CONSTANT_NODE:
329:                case C_NodeTypes.LONGINT_CONSTANT_NODE:
330:                case C_NodeTypes.DECIMAL_CONSTANT_NODE:
331:                case C_NodeTypes.DOUBLE_CONSTANT_NODE:
332:                case C_NodeTypes.FLOAT_CONSTANT_NODE:
333:                    return C_NodeNames.NUMERIC_CONSTANT_NODE_NAME;
334:
335:                case C_NodeTypes.USERTYPE_CONSTANT_NODE:
336:                    return C_NodeNames.USERTYPE_CONSTANT_NODE_NAME;
337:
338:                case C_NodeTypes.PREDICATE:
339:                    return C_NodeNames.PREDICATE_NAME;
340:
341:                case C_NodeTypes.RESULT_COLUMN:
342:                    return C_NodeNames.RESULT_COLUMN_NAME;
343:
344:                case C_NodeTypes.SET_SCHEMA_NODE:
345:                    return C_NodeNames.SET_SCHEMA_NODE_NAME;
346:
347:                case C_NodeTypes.SIMPLE_STRING_OPERATOR_NODE:
348:                    return C_NodeNames.SIMPLE_STRING_OPERATOR_NODE_NAME;
349:
350:                case C_NodeTypes.STATIC_CLASS_FIELD_REFERENCE_NODE:
351:                    return C_NodeNames.STATIC_CLASS_FIELD_REFERENCE_NODE_NAME;
352:
353:                case C_NodeTypes.STATIC_METHOD_CALL_NODE:
354:                    return C_NodeNames.STATIC_METHOD_CALL_NODE_NAME;
355:
356:                case C_NodeTypes.EXTRACT_OPERATOR_NODE:
357:                    return C_NodeNames.EXTRACT_OPERATOR_NODE_NAME;
358:
359:                case C_NodeTypes.PARAMETER_NODE:
360:                    return C_NodeNames.PARAMETER_NODE_NAME;
361:
362:                case C_NodeTypes.DROP_SCHEMA_NODE:
363:                    return C_NodeNames.DROP_SCHEMA_NODE_NAME;
364:
365:                case C_NodeTypes.DROP_TABLE_NODE:
366:                    return C_NodeNames.DROP_TABLE_NODE_NAME;
367:
368:                case C_NodeTypes.DROP_VIEW_NODE:
369:                    return C_NodeNames.DROP_VIEW_NODE_NAME;
370:
371:                case C_NodeTypes.SUBQUERY_NODE:
372:                    return C_NodeNames.SUBQUERY_NODE_NAME;
373:
374:                case C_NodeTypes.BASE_COLUMN_NODE:
375:                    return C_NodeNames.BASE_COLUMN_NODE_NAME;
376:
377:                case C_NodeTypes.CALL_STATEMENT_NODE:
378:                    return C_NodeNames.CALL_STATEMENT_NODE_NAME;
379:
380:                case C_NodeTypes.MODIFY_COLUMN_DEFAULT_NODE:
381:                case C_NodeTypes.MODIFY_COLUMN_TYPE_NODE:
382:                case C_NodeTypes.MODIFY_COLUMN_CONSTRAINT_NODE:
383:                case C_NodeTypes.MODIFY_COLUMN_CONSTRAINT_NOT_NULL_NODE:
384:                    return C_NodeNames.MODIFY_COLUMN_NODE_NAME;
385:
386:                case C_NodeTypes.NON_STATIC_METHOD_CALL_NODE:
387:                    return C_NodeNames.NON_STATIC_METHOD_CALL_NODE_NAME;
388:
389:                case C_NodeTypes.CURRENT_OF_NODE:
390:                    return C_NodeNames.CURRENT_OF_NODE_NAME;
391:
392:                case C_NodeTypes.DEFAULT_NODE:
393:                    return C_NodeNames.DEFAULT_NODE_NAME;
394:
395:                case C_NodeTypes.DELETE_NODE:
396:                    return C_NodeNames.DELETE_NODE_NAME;
397:
398:                case C_NodeTypes.UPDATE_NODE:
399:                    return C_NodeNames.UPDATE_NODE_NAME;
400:
401:                case C_NodeTypes.ORDER_BY_COLUMN:
402:                    return C_NodeNames.ORDER_BY_COLUMN_NAME;
403:
404:                case C_NodeTypes.ROW_RESULT_SET_NODE:
405:                    return C_NodeNames.ROW_RESULT_SET_NODE_NAME;
406:
407:                case C_NodeTypes.VIRTUAL_COLUMN_NODE:
408:                    return C_NodeNames.VIRTUAL_COLUMN_NODE_NAME;
409:
410:                case C_NodeTypes.CURRENT_DATETIME_OPERATOR_NODE:
411:                    return C_NodeNames.CURRENT_DATETIME_OPERATOR_NODE_NAME;
412:
413:                case C_NodeTypes.USER_NODE:
414:                case C_NodeTypes.CURRENT_USER_NODE:
415:                case C_NodeTypes.SESSION_USER_NODE:
416:                case C_NodeTypes.SYSTEM_USER_NODE:
417:                case C_NodeTypes.CURRENT_ISOLATION_NODE:
418:                case C_NodeTypes.IDENTITY_VAL_NODE:
419:                case C_NodeTypes.CURRENT_SCHEMA_NODE:
420:                    return C_NodeNames.SPECIAL_FUNCTION_NODE_NAME;
421:
422:                case C_NodeTypes.IS_NODE:
423:                    return C_NodeNames.IS_NODE_NAME;
424:
425:                case C_NodeTypes.LOCK_TABLE_NODE:
426:                    return C_NodeNames.LOCK_TABLE_NODE_NAME;
427:
428:                case C_NodeTypes.ALTER_TABLE_NODE:
429:                    return C_NodeNames.ALTER_TABLE_NODE_NAME;
430:
431:                case C_NodeTypes.AGGREGATE_NODE:
432:                    return C_NodeNames.AGGREGATE_NODE_NAME;
433:
434:                case C_NodeTypes.COLUMN_DEFINITION_NODE:
435:                    return C_NodeNames.COLUMN_DEFINITION_NODE_NAME;
436:
437:                case C_NodeTypes.EXEC_SPS_NODE:
438:                    return C_NodeNames.EXEC_SPS_NODE_NAME;
439:
440:                case C_NodeTypes.FK_CONSTRAINT_DEFINITION_NODE:
441:                    return C_NodeNames.FK_CONSTRAINT_DEFINITION_NODE_NAME;
442:
443:                case C_NodeTypes.FROM_VTI:
444:                    return C_NodeNames.FROM_VTI_NAME;
445:
446:                case C_NodeTypes.MATERIALIZE_RESULT_SET_NODE:
447:                    return C_NodeNames.MATERIALIZE_RESULT_SET_NODE_NAME;
448:
449:                case C_NodeTypes.NORMALIZE_RESULT_SET_NODE:
450:                    return C_NodeNames.NORMALIZE_RESULT_SET_NODE_NAME;
451:
452:                case C_NodeTypes.SCROLL_INSENSITIVE_RESULT_SET_NODE:
453:                    return C_NodeNames.SCROLL_INSENSITIVE_RESULT_SET_NODE_NAME;
454:
455:                case C_NodeTypes.ORDER_BY_NODE:
456:                    return C_NodeNames.ORDER_BY_NODE_NAME;
457:
458:                case C_NodeTypes.DISTINCT_NODE:
459:                    return C_NodeNames.DISTINCT_NODE_NAME;
460:
461:                case C_NodeTypes.LOCATE_FUNCTION_NODE:
462:                case C_NodeTypes.SUBSTRING_OPERATOR_NODE:
463:                case C_NodeTypes.TRIM_OPERATOR_NODE:
464:                case C_NodeTypes.TIMESTAMP_ADD_FN_NODE:
465:                case C_NodeTypes.TIMESTAMP_DIFF_FN_NODE:
466:                    return C_NodeNames.TERNARY_OPERATOR_NODE_NAME;
467:
468:                case C_NodeTypes.SELECT_NODE:
469:                    return C_NodeNames.SELECT_NODE_NAME;
470:
471:                case C_NodeTypes.CREATE_VIEW_NODE:
472:                    return C_NodeNames.CREATE_VIEW_NODE_NAME;
473:
474:                case C_NodeTypes.CONSTRAINT_DEFINITION_NODE:
475:                    return C_NodeNames.CONSTRAINT_DEFINITION_NODE_NAME;
476:
477:                case C_NodeTypes.NEW_INVOCATION_NODE:
478:                    return C_NodeNames.NEW_INVOCATION_NODE_NAME;
479:
480:                case C_NodeTypes.CREATE_SCHEMA_NODE:
481:                    return C_NodeNames.CREATE_SCHEMA_NODE_NAME;
482:
483:                case C_NodeTypes.FROM_BASE_TABLE:
484:                    return C_NodeNames.FROM_BASE_TABLE_NAME;
485:
486:                case C_NodeTypes.FROM_SUBQUERY:
487:                    return C_NodeNames.FROM_SUBQUERY_NAME;
488:
489:                case C_NodeTypes.GROUP_BY_NODE:
490:                    return C_NodeNames.GROUP_BY_NODE_NAME;
491:
492:                case C_NodeTypes.INSERT_NODE:
493:                    return C_NodeNames.INSERT_NODE_NAME;
494:
495:                case C_NodeTypes.JOIN_NODE:
496:                    return C_NodeNames.JOIN_NODE_NAME;
497:
498:                case C_NodeTypes.CREATE_TABLE_NODE:
499:                    return C_NodeNames.CREATE_TABLE_NODE_NAME;
500:
501:                case C_NodeTypes.RENAME_NODE:
502:                    return C_NodeNames.RENAME_NODE_NAME;
503:
504:                case C_NodeTypes.UNION_NODE:
505:                    return C_NodeNames.UNION_NODE_NAME;
506:
507:                case C_NodeTypes.INTERSECT_OR_EXCEPT_NODE:
508:                    return C_NodeNames.INTERSECT_OR_EXCEPT_NODE_NAME;
509:
510:                case C_NodeTypes.CREATE_TRIGGER_NODE:
511:                    return C_NodeNames.CREATE_TRIGGER_NODE_NAME;
512:
513:                case C_NodeTypes.HALF_OUTER_JOIN_NODE:
514:                    return C_NodeNames.HALF_OUTER_JOIN_NODE_NAME;
515:
516:                case C_NodeTypes.CREATE_INDEX_NODE:
517:                    return C_NodeNames.CREATE_INDEX_NODE_NAME;
518:
519:                case C_NodeTypes.CURSOR_NODE:
520:                    return C_NodeNames.CURSOR_NODE_NAME;
521:
522:                case C_NodeTypes.HASH_TABLE_NODE:
523:                    return C_NodeNames.HASH_TABLE_NODE_NAME;
524:
525:                case C_NodeTypes.INDEX_TO_BASE_ROW_NODE:
526:                    return C_NodeNames.INDEX_TO_BASE_ROW_NODE_NAME;
527:
528:                case C_NodeTypes.CREATE_ALIAS_NODE:
529:                    return C_NodeNames.CREATE_ALIAS_NODE_NAME;
530:
531:                case C_NodeTypes.PROJECT_RESTRICT_NODE:
532:                    return C_NodeNames.PROJECT_RESTRICT_NODE_NAME;
533:
534:                case C_NodeTypes.SQL_BOOLEAN_CONSTANT_NODE:
535:                    return C_NodeNames.SQL_BOOLEAN_CONSTANT_NODE_NAME;
536:
537:                case C_NodeTypes.DROP_ALIAS_NODE:
538:                    return C_NodeNames.DROP_ALIAS_NODE_NAME;
539:
540:                case C_NodeTypes.TEST_CONSTRAINT_NODE:
541:                    return C_NodeNames.TEST_CONSTRAINT_NODE_NAME;
542:
543:                case C_NodeTypes.ABSOLUTE_OPERATOR_NODE:
544:                case C_NodeTypes.SQRT_OPERATOR_NODE:
545:                case C_NodeTypes.UNARY_PLUS_OPERATOR_NODE:
546:                case C_NodeTypes.UNARY_MINUS_OPERATOR_NODE:
547:                    return C_NodeNames.UNARY_ARITHMETIC_OPERATOR_NODE_NAME;
548:
549:                case C_NodeTypes.SAVEPOINT_NODE:
550:                    return C_NodeNames.SAVEPOINT_NODE_NAME;
551:
552:                case C_NodeTypes.UNARY_DATE_TIMESTAMP_OPERATOR_NODE:
553:                    return C_NodeNames.UNARY_DATE_TIMESTAMP_OPERATOR_NODE_NAME;
554:
555:                case C_NodeTypes.TIMESTAMP_OPERATOR_NODE:
556:                    return C_NodeNames.TIMESTAMP_OPERATOR_NODE_NAME;
557:
558:                case C_NodeTypes.DB2_LENGTH_OPERATOR_NODE:
559:                    return C_NodeNames.DB2_LENGTH_OPERATOR_NODE_NAME;
560:
561:                case C_NodeTypes.XML_PARSE_OPERATOR_NODE:
562:                case C_NodeTypes.XML_SERIALIZE_OPERATOR_NODE:
563:                    return C_NodeNames.UNARY_OPERATOR_NODE_NAME;
564:
565:                case C_NodeTypes.XML_EXISTS_OPERATOR_NODE:
566:                case C_NodeTypes.XML_QUERY_OPERATOR_NODE:
567:                    return C_NodeNames.BINARY_OPERATOR_NODE_NAME;
568:
569:                case C_NodeTypes.GRANT_NODE:
570:                    return C_NodeNames.GRANT_NODE_NAME;
571:                case C_NodeTypes.REVOKE_NODE:
572:                    return C_NodeNames.REVOKE_NODE_NAME;
573:
574:                case C_NodeTypes.PRIVILEGE_NODE:
575:                    return C_NodeNames.PRIVILEGE_NAME;
576:
577:                case C_NodeTypes.TABLE_PRIVILEGES_NODE:
578:                    return C_NodeNames.TABLE_PRIVILEGES_NAME;
579:
580:                    // WARNING: WHEN ADDING NODE TYPES HERE, YOU MUST ALSO ADD
581:                    // THEM TO tools/jar/DBMSnodes.properties
582:
583:                default:
584:                    throw StandardException
585:                            .newException(SQLState.NOT_IMPLEMENTED);
586:                }
587:            }
588:
589:            /**
590:             * Get one of the several types of create alias nodes. Carved out of parser
591:             * so this could be used by ALTER PUBLICATION.
592:             *
593:             * @param aliasName	The name of the alias
594:             * @param targetName	The full path/method name
595:             * @param aliasSpecificInfo	The full path of the target method name,
596:             *								if any
597:             * @param aliasType	The type of alias to create
598:             * @param delimitedIdentifier	Whether or not to treat the class name
599:             *								as a delimited identifier if trying to
600:             *								resolve it as a class alias.
601:             * @param cm			A ContextManager
602:             *
603:             * @return	A CreateAliasNode matching the given parameters
604:             *
605:             * @exception StandardException		Thrown on error
606:             */
607:            public QueryTreeNode getCreateAliasNode(Object aliasName,
608:                    Object targetName, Object aliasSpecificInfo,
609:                    char aliasType, Boolean delimitedIdentifier,
610:                    ContextManager cm) throws StandardException {
611:                int nodeType;
612:                String methodName = null;
613:                String targetMethodName = null;
614:                String targetClassName = null;
615:
616:                nodeType = C_NodeTypes.CREATE_ALIAS_NODE;
617:
618:                if (aliasType != AliasInfo.ALIAS_TYPE_SYNONYM_AS_CHAR) {
619:                    int lastPeriod;
620:                    String fullStaticMethodName = (String) targetName;
621:                    int paren = fullStaticMethodName.indexOf('(');
622:                    if (paren == -1) {
623:                        // not a Java signature - split based on last period
624:                        lastPeriod = fullStaticMethodName.lastIndexOf('.');
625:                    } else {
626:                        // a Java signature - split on last period before the '('
627:                        lastPeriod = fullStaticMethodName.substring(0, paren)
628:                                .lastIndexOf('.');
629:                    }
630:                    if (lastPeriod == -1
631:                            || lastPeriod == fullStaticMethodName.length() - 1) {
632:                        throw StandardException.newException(
633:                                SQLState.LANG_INVALID_FULL_STATIC_METHOD_NAME,
634:                                fullStaticMethodName);
635:                    }
636:                    String javaClassName = fullStaticMethodName.substring(0,
637:                            lastPeriod);
638:                    methodName = fullStaticMethodName.substring(lastPeriod + 1);
639:                    targetName = javaClassName;
640:                }
641:
642:                return getNode(nodeType, aliasName, targetName, methodName,
643:                        aliasSpecificInfo, new Character(aliasType),
644:                        delimitedIdentifier, cm);
645:            }
646:
647:            /**
648:             * Return a node that represents invocation of the virtual table
649:             * for the given table descriptor using the passed in vti class name.
650:             * <P>
651:             * Currently only handles no argument vtis corresponding to a subset
652:             * of the diagnostic tables. (e.g. lock_table).
653:             * The node returned is a FROM_VTI node with a passed in NEW_INVOCATION_NODE
654:             * representing the class, with no arguments.
655:             * Other attributes of the original FROM_TABLE node (such as resultColumns)
656:             * are passed into the FROM_VTI node.
657:             * 
658:             */
659:            public ResultSetNode mapTableAsVTI(TableDescriptor td,
660:                    String vtiClass, String correlationName,
661:                    ResultColumnList resultColumns, Properties tableProperties,
662:                    ContextManager cm) throws StandardException {
663:
664:                QueryTreeNode newNode = getNode(
665:                        C_NodeTypes.NEW_INVOCATION_NODE, vtiClass, emptyVector,
666:                        Boolean.FALSE, cm);
667:
668:                QueryTreeNode vtiNode;
669:
670:                if (correlationName != null) {
671:                    vtiNode = getNode(C_NodeTypes.FROM_VTI, newNode,
672:                            correlationName, resultColumns, tableProperties, cm);
673:                } else {
674:                    TableName exposedName = newNode.makeTableName(td
675:                            .getSchemaName(), td.getDescriptorName());
676:
677:                    vtiNode = getNode(C_NodeTypes.FROM_VTI, newNode,
678:                            correlationName, resultColumns, tableProperties,
679:                            exposedName, cm);
680:                }
681:
682:                return (ResultSetNode) vtiNode;
683:            }
684:        }
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