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1
21
22 package org.apache.derby.impl.sql.compile;
23
24 import java.util.Properties  ;
25 import java.util.Vector ;
26
27 import org.apache.derby.iapi.services.context.ContextManager;
28
29 import org.apache.derby.iapi.services.monitor.ModuleControl;
30 import org.apache.derby.iapi.services.monitor.ModuleSupportable;
31 import org.apache.derby.iapi.services.monitor.Monitor;
32
33 import org.apache.derby.iapi.sql.compile.Optimizer;
34
35 import org.apache.derby.iapi.sql.compile.NodeFactory;
36 import org.apache.derby.iapi.sql.compile.C_NodeTypes;
37 import org.apache.derby.iapi.sql.dictionary.TableDescriptor;
38
39 import org.apache.derby.iapi.services.sanity.SanityManager;
40 import org.apache.derby.iapi.services.property.PropertyUtil;
41
42 import org.apache.derby.iapi.error.StandardException;
43 import org.apache.derby.iapi.reference.SQLState;
44
45 import org.apache.derby.catalog.AliasInfo;
46 import org.apache.derby.iapi.services.loader.ClassInfo;
47 import org.apache.derby.iapi.util.StringUtil;
48
49
57
58 public class NodeFactoryImpl extends NodeFactory implements ModuleControl, ModuleSupportable
59 {
60
66
72
73 private Boolean joinOrderOptimization = Boolean.TRUE;
74
75 private final ClassInfo[] nodeCi = new ClassInfo[205];
76
77 private static final Vector emptyVector = new Vector (0);
78
79
85 public boolean canSupport(Properties startParams)
86 {
87 return Monitor.isDesiredType( startParams, org.apache.derby.iapi.reference.EngineType.NONE );
88 }
89
90
94
95 public void boot(boolean create, Properties startParams)
96 throws StandardException
97 {
98
103 String opt =
104 PropertyUtil.getSystemProperty(Optimizer.JOIN_ORDER_OPTIMIZATION);
105 if (opt != null)
106 {
107 joinOrderOptimization = Boolean.valueOf(opt);
108 }
109 }
110
111
114
115 public void stop() {
116 }
117
118
121 public NodeFactoryImpl() {}
122
123
124 public Boolean doJoinOrderOptimization()
125 {
126 return joinOrderOptimization;
127 }
128
129
134 public QueryTreeNode getNode(int nodeType, ContextManager cm)
135 throws StandardException
136 {
137
138 ClassInfo ci = nodeCi[nodeType];
139
140 Class nodeClass = null;
141 if (ci == null)
142 {
143 String nodeName = nodeName(nodeType);
144
145 try
146 {
147 nodeClass = Class.forName(nodeName);
148 }
149 catch (ClassNotFoundException cnfe)
150 {
151 if (SanityManager.DEBUG)
152 {
153 SanityManager.THROWASSERT("Unexpected ClassNotFoundException",
154 cnfe);
155 }
156 }
157
158 ci = new ClassInfo(nodeClass);
159 nodeCi[nodeType] = ci;
160 }
161
162 QueryTreeNode retval = null;
163
164 try
165 {
166 retval = (QueryTreeNode) ci.getNewInstance();
167 }
169 catch (Exception iae)
170 {
171 if (SanityManager.DEBUG)
172 {
173 SanityManager.THROWASSERT("Unexpected Exception", iae);
174 }
175 }
176
177 retval.setContextManager(cm);
178 retval.setNodeType(nodeType);
179
180 return retval;
181 }
182
183
190 protected String nodeName(int nodeType)
191 throws StandardException
192 {
193 switch (nodeType)
194 {
195 case C_NodeTypes.CURRENT_ROW_LOCATION_NODE:
200 return C_NodeNames.CURRENT_ROW_LOCATION_NODE_NAME;
201
202 case C_NodeTypes.GROUP_BY_LIST:
203 return C_NodeNames.GROUP_BY_LIST_NAME;
204
205 case C_NodeTypes.ORDER_BY_LIST:
206 return C_NodeNames.ORDER_BY_LIST_NAME;
207
208 case C_NodeTypes.PREDICATE_LIST:
209 return C_NodeNames.PREDICATE_LIST_NAME;
210
211 case C_NodeTypes.RESULT_COLUMN_LIST:
212 return C_NodeNames.RESULT_COLUMN_LIST_NAME;
213
214 case C_NodeTypes.SUBQUERY_LIST:
215 return C_NodeNames.SUBQUERY_LIST_NAME;
216
217 case C_NodeTypes.TABLE_ELEMENT_LIST:
218 return C_NodeNames.TABLE_ELEMENT_LIST_NAME;
219
220 case C_NodeTypes.UNTYPED_NULL_CONSTANT_NODE:
221 return C_NodeNames.UNTYPED_NULL_CONSTANT_NODE_NAME;
222
223 case C_NodeTypes.TABLE_ELEMENT_NODE:
224 return C_NodeNames.TABLE_ELEMENT_NODE_NAME;
225
226 case C_NodeTypes.VALUE_NODE_LIST:
227 return C_NodeNames.VALUE_NODE_LIST_NAME;
228
229 case C_NodeTypes.ALL_RESULT_COLUMN:
230 return C_NodeNames.ALL_RESULT_COLUMN_NAME;
231
232 case C_NodeTypes.GET_CURRENT_CONNECTION_NODE:
233 return C_NodeNames.GET_CURRENT_CONNECTION_NODE_NAME;
234
235 case C_NodeTypes.NOP_STATEMENT_NODE:
236 return C_NodeNames.NOP_STATEMENT_NODE_NAME;
237
238 case C_NodeTypes.SET_TRANSACTION_ISOLATION_NODE:
239 return C_NodeNames.SET_TRANSACTION_ISOLATION_NODE_NAME;
240
241 case C_NodeTypes.CHAR_LENGTH_OPERATOR_NODE:
242 return C_NodeNames.LENGTH_OPERATOR_NODE_NAME;
243
244 case C_NodeTypes.IS_NOT_NULL_NODE:
246 case C_NodeTypes.IS_NULL_NODE:
247 return C_NodeNames.IS_NULL_NODE_NAME;
248
249 case C_NodeTypes.NOT_NODE:
250 return C_NodeNames.NOT_NODE_NAME;
251
252 case C_NodeTypes.SQL_TO_JAVA_VALUE_NODE:
253 return C_NodeNames.SQL_TO_JAVA_VALUE_NODE_NAME;
254
255 case C_NodeTypes.TABLE_NAME:
256 return C_NodeNames.TABLE_NAME_NAME;
257
258 case C_NodeTypes.GROUP_BY_COLUMN:
259 return C_NodeNames.GROUP_BY_COLUMN_NAME;
260
261 case C_NodeTypes.JAVA_TO_SQL_VALUE_NODE:
262 return C_NodeNames.JAVA_TO_SQL_VALUE_NODE_NAME;
263
264 case C_NodeTypes.FROM_LIST:
265 return C_NodeNames.FROM_LIST_NAME;
266
267 case C_NodeTypes.BOOLEAN_CONSTANT_NODE:
268 return C_NodeNames.BOOLEAN_CONSTANT_NODE_NAME;
269
270 case C_NodeTypes.AND_NODE:
271 return C_NodeNames.AND_NODE_NAME;
272
273 case C_NodeTypes.BINARY_EQUALS_OPERATOR_NODE:
274 case C_NodeTypes.BINARY_GREATER_EQUALS_OPERATOR_NODE:
275 case C_NodeTypes.BINARY_GREATER_THAN_OPERATOR_NODE:
276 case C_NodeTypes.BINARY_LESS_EQUALS_OPERATOR_NODE:
277 case C_NodeTypes.BINARY_LESS_THAN_OPERATOR_NODE:
278 case C_NodeTypes.BINARY_NOT_EQUALS_OPERATOR_NODE:
279 return C_NodeNames.BINARY_RELATIONAL_OPERATOR_NODE_NAME;
280
281 case C_NodeTypes.BINARY_MINUS_OPERATOR_NODE:
282 case C_NodeTypes.BINARY_PLUS_OPERATOR_NODE:
283 case C_NodeTypes.BINARY_TIMES_OPERATOR_NODE:
284 case C_NodeTypes.BINARY_DIVIDE_OPERATOR_NODE:
285 case C_NodeTypes.MOD_OPERATOR_NODE:
286 return C_NodeNames.BINARY_ARITHMETIC_OPERATOR_NODE_NAME;
287
288 case C_NodeTypes.COALESCE_FUNCTION_NODE:
289 return C_NodeNames.COALESCE_FUNCTION_NODE_NAME;
290
291 case C_NodeTypes.CONCATENATION_OPERATOR_NODE:
292 return C_NodeNames.CONCATENATION_OPERATOR_NODE_NAME;
293
294 case C_NodeTypes.LIKE_OPERATOR_NODE:
295 return C_NodeNames.LIKE_OPERATOR_NODE_NAME;
296
297 case C_NodeTypes.OR_NODE:
298 return C_NodeNames.OR_NODE_NAME;
299
300 case C_NodeTypes.BETWEEN_OPERATOR_NODE:
301 return C_NodeNames.BETWEEN_OPERATOR_NODE_NAME;
302
303 case C_NodeTypes.CONDITIONAL_NODE:
304 return C_NodeNames.CONDITIONAL_NODE_NAME;
305
306 case C_NodeTypes.IN_LIST_OPERATOR_NODE:
307 return C_NodeNames.IN_LIST_OPERATOR_NODE_NAME;
308
309 case C_NodeTypes.BIT_CONSTANT_NODE:
310 return C_NodeNames.BIT_CONSTANT_NODE_NAME;
311
312 case C_NodeTypes.LONGVARBIT_CONSTANT_NODE:
313 case C_NodeTypes.VARBIT_CONSTANT_NODE:
314 case C_NodeTypes.BLOB_CONSTANT_NODE:
315 return C_NodeNames.VARBIT_CONSTANT_NODE_NAME;
316
317 case C_NodeTypes.CAST_NODE:
318 return C_NodeNames.CAST_NODE_NAME;
319
320 case C_NodeTypes.CHAR_CONSTANT_NODE:
321 case C_NodeTypes.LONGVARCHAR_CONSTANT_NODE:
322 case C_NodeTypes.VARCHAR_CONSTANT_NODE:
323 case C_NodeTypes.CLOB_CONSTANT_NODE:
324 return C_NodeNames.CHAR_CONSTANT_NODE_NAME;
325
326 case C_NodeTypes.XML_CONSTANT_NODE:
327 return C_NodeNames.XML_CONSTANT_NODE_NAME;
328
329 case C_NodeTypes.COLUMN_REFERENCE:
330 return C_NodeNames.COLUMN_REFERENCE_NAME;
331
332 case C_NodeTypes.DROP_INDEX_NODE:
333 return C_NodeNames.DROP_INDEX_NODE_NAME;
334
335 case C_NodeTypes.DROP_TRIGGER_NODE:
336 return C_NodeNames.DROP_TRIGGER_NODE_NAME;
337
338 case C_NodeTypes.READ_CURSOR_NODE:
339 return C_NodeNames.READ_CURSOR_NODE_NAME;
340
341 case C_NodeTypes.TINYINT_CONSTANT_NODE:
342 case C_NodeTypes.SMALLINT_CONSTANT_NODE:
343 case C_NodeTypes.INT_CONSTANT_NODE:
344 case C_NodeTypes.LONGINT_CONSTANT_NODE:
345 case C_NodeTypes.DECIMAL_CONSTANT_NODE:
346 case C_NodeTypes.DOUBLE_CONSTANT_NODE:
347 case C_NodeTypes.FLOAT_CONSTANT_NODE:
348 return C_NodeNames.NUMERIC_CONSTANT_NODE_NAME;
349
350 case C_NodeTypes.USERTYPE_CONSTANT_NODE:
351 return C_NodeNames.USERTYPE_CONSTANT_NODE_NAME;
352
353 case C_NodeTypes.PREDICATE:
354 return C_NodeNames.PREDICATE_NAME;
355
356 case C_NodeTypes.RESULT_COLUMN:
357 return C_NodeNames.RESULT_COLUMN_NAME;
358
359 case C_NodeTypes.SET_SCHEMA_NODE:
360 return C_NodeNames.SET_SCHEMA_NODE_NAME;
361
362 case C_NodeTypes.SIMPLE_STRING_OPERATOR_NODE:
363 return C_NodeNames.SIMPLE_STRING_OPERATOR_NODE_NAME;
364
365 case C_NodeTypes.STATIC_CLASS_FIELD_REFERENCE_NODE:
366 return C_NodeNames.STATIC_CLASS_FIELD_REFERENCE_NODE_NAME;
367
368 case C_NodeTypes.STATIC_METHOD_CALL_NODE:
369 return C_NodeNames.STATIC_METHOD_CALL_NODE_NAME;
370
371 case C_NodeTypes.EXTRACT_OPERATOR_NODE:
372 return C_NodeNames.EXTRACT_OPERATOR_NODE_NAME;
373
374 case C_NodeTypes.PARAMETER_NODE:
375 return C_NodeNames.PARAMETER_NODE_NAME;
376
377 case C_NodeTypes.DROP_SCHEMA_NODE:
378 return C_NodeNames.DROP_SCHEMA_NODE_NAME;
379
380 case C_NodeTypes.DROP_TABLE_NODE:
381 return C_NodeNames.DROP_TABLE_NODE_NAME;
382
383 case C_NodeTypes.DROP_VIEW_NODE:
384 return C_NodeNames.DROP_VIEW_NODE_NAME;
385
386 case C_NodeTypes.SUBQUERY_NODE:
387 return C_NodeNames.SUBQUERY_NODE_NAME;
388
389 case C_NodeTypes.BASE_COLUMN_NODE:
390 return C_NodeNames.BASE_COLUMN_NODE_NAME;
391
392 case C_NodeTypes.CALL_STATEMENT_NODE:
393 return C_NodeNames.CALL_STATEMENT_NODE_NAME;
394
395 case C_NodeTypes.MODIFY_COLUMN_DEFAULT_NODE:
396 case C_NodeTypes.MODIFY_COLUMN_TYPE_NODE:
397 case C_NodeTypes.MODIFY_COLUMN_CONSTRAINT_NODE:
398 case C_NodeTypes.MODIFY_COLUMN_CONSTRAINT_NOT_NULL_NODE:
399 return C_NodeNames.MODIFY_COLUMN_NODE_NAME;
400
401 case C_NodeTypes.NON_STATIC_METHOD_CALL_NODE:
402 return C_NodeNames.NON_STATIC_METHOD_CALL_NODE_NAME;
403
404 case C_NodeTypes.CURRENT_OF_NODE:
405 return C_NodeNames.CURRENT_OF_NODE_NAME;
406
407 case C_NodeTypes.DEFAULT_NODE:
408 return C_NodeNames.DEFAULT_NODE_NAME;
409
410 case C_NodeTypes.DELETE_NODE:
411 return C_NodeNames.DELETE_NODE_NAME;
412
413 case C_NodeTypes.UPDATE_NODE:
414 return C_NodeNames.UPDATE_NODE_NAME;
415
416 case C_NodeTypes.ORDER_BY_COLUMN:
417 return C_NodeNames.ORDER_BY_COLUMN_NAME;
418
419 case C_NodeTypes.ROW_RESULT_SET_NODE:
420 return C_NodeNames.ROW_RESULT_SET_NODE_NAME;
421
422 case C_NodeTypes.VIRTUAL_COLUMN_NODE:
423 return C_NodeNames.VIRTUAL_COLUMN_NODE_NAME;
424
425 case C_NodeTypes.CURRENT_DATETIME_OPERATOR_NODE:
426 return C_NodeNames.CURRENT_DATETIME_OPERATOR_NODE_NAME;
427
428 case C_NodeTypes.USER_NODE:
429 case C_NodeTypes.CURRENT_USER_NODE:
430 case C_NodeTypes.SESSION_USER_NODE:
431 case C_NodeTypes.SYSTEM_USER_NODE:
432 case C_NodeTypes.CURRENT_ISOLATION_NODE:
433 case C_NodeTypes.IDENTITY_VAL_NODE:
434 case C_NodeTypes.CURRENT_SCHEMA_NODE:
435 return C_NodeNames.SPECIAL_FUNCTION_NODE_NAME;
436
437 case C_NodeTypes.IS_NODE:
438 return C_NodeNames.IS_NODE_NAME;
439
440 case C_NodeTypes.LOCK_TABLE_NODE:
441 return C_NodeNames.LOCK_TABLE_NODE_NAME;
442
443 case C_NodeTypes.ALTER_TABLE_NODE:
444 return C_NodeNames.ALTER_TABLE_NODE_NAME;
445
446 case C_NodeTypes.AGGREGATE_NODE:
447 return C_NodeNames.AGGREGATE_NODE_NAME;
448
449 case C_NodeTypes.COLUMN_DEFINITION_NODE:
450 return C_NodeNames.COLUMN_DEFINITION_NODE_NAME;
451
452 case C_NodeTypes.EXEC_SPS_NODE:
453 return C_NodeNames.EXEC_SPS_NODE_NAME;
454
455 case C_NodeTypes.FK_CONSTRAINT_DEFINITION_NODE:
456 return C_NodeNames.FK_CONSTRAINT_DEFINITION_NODE_NAME;
457
458 case C_NodeTypes.FROM_VTI:
459 return C_NodeNames.FROM_VTI_NAME;
460
461 case C_NodeTypes.MATERIALIZE_RESULT_SET_NODE:
462 return C_NodeNames.MATERIALIZE_RESULT_SET_NODE_NAME;
463
464 case C_NodeTypes.NORMALIZE_RESULT_SET_NODE:
465 return C_NodeNames.NORMALIZE_RESULT_SET_NODE_NAME;
466
467 case C_NodeTypes.SCROLL_INSENSITIVE_RESULT_SET_NODE:
468 return C_NodeNames.SCROLL_INSENSITIVE_RESULT_SET_NODE_NAME;
469
470 case C_NodeTypes.ORDER_BY_NODE:
471 return C_NodeNames.ORDER_BY_NODE_NAME;
472
473 case C_NodeTypes.DISTINCT_NODE:
474 return C_NodeNames.DISTINCT_NODE_NAME;
475
476 case C_NodeTypes.LOCATE_FUNCTION_NODE:
477 case C_NodeTypes.SUBSTRING_OPERATOR_NODE:
478 case C_NodeTypes.TRIM_OPERATOR_NODE:
479 case C_NodeTypes.TIMESTAMP_ADD_FN_NODE:
480 case C_NodeTypes.TIMESTAMP_DIFF_FN_NODE:
481 return C_NodeNames.TERNARY_OPERATOR_NODE_NAME;
482
483 case C_NodeTypes.SELECT_NODE:
484 return C_NodeNames.SELECT_NODE_NAME;
485
486 case C_NodeTypes.CREATE_VIEW_NODE:
487 return C_NodeNames.CREATE_VIEW_NODE_NAME;
488
489 case C_NodeTypes.CONSTRAINT_DEFINITION_NODE:
490 return C_NodeNames.CONSTRAINT_DEFINITION_NODE_NAME;
491
492 case C_NodeTypes.NEW_INVOCATION_NODE:
493 return C_NodeNames.NEW_INVOCATION_NODE_NAME;
494
495 case C_NodeTypes.CREATE_SCHEMA_NODE:
496 return C_NodeNames.CREATE_SCHEMA_NODE_NAME;
497
498 case C_NodeTypes.FROM_BASE_TABLE:
499 return C_NodeNames.FROM_BASE_TABLE_NAME;
500
501 case C_NodeTypes.FROM_SUBQUERY:
502 return C_NodeNames.FROM_SUBQUERY_NAME;
503
504 case C_NodeTypes.GROUP_BY_NODE:
505 return C_NodeNames.GROUP_BY_NODE_NAME;
506
507 case C_NodeTypes.INSERT_NODE:
508 return C_NodeNames.INSERT_NODE_NAME;
509
510 case C_NodeTypes.JOIN_NODE:
511 return C_NodeNames.JOIN_NODE_NAME;
512
513 case C_NodeTypes.CREATE_TABLE_NODE:
514 return C_NodeNames.CREATE_TABLE_NODE_NAME;
515
516 case C_NodeTypes.RENAME_NODE:
517 return C_NodeNames.RENAME_NODE_NAME;
518
519 case C_NodeTypes.UNION_NODE:
520 return C_NodeNames.UNION_NODE_NAME;
521
522 case C_NodeTypes.INTERSECT_OR_EXCEPT_NODE:
523 return C_NodeNames.INTERSECT_OR_EXCEPT_NODE_NAME;
524
525 case C_NodeTypes.CREATE_TRIGGER_NODE:
526 return C_NodeNames.CREATE_TRIGGER_NODE_NAME;
527
528 case C_NodeTypes.HALF_OUTER_JOIN_NODE:
529 return C_NodeNames.HALF_OUTER_JOIN_NODE_NAME;
530
531 case C_NodeTypes.CREATE_INDEX_NODE:
532 return C_NodeNames.CREATE_INDEX_NODE_NAME;
533
534 case C_NodeTypes.CURSOR_NODE:
535 return C_NodeNames.CURSOR_NODE_NAME;
536
537 case C_NodeTypes.HASH_TABLE_NODE:
538 return C_NodeNames.HASH_TABLE_NODE_NAME;
539
540 case C_NodeTypes.INDEX_TO_BASE_ROW_NODE:
541 return C_NodeNames.INDEX_TO_BASE_ROW_NODE_NAME;
542
543 case C_NodeTypes.CREATE_ALIAS_NODE:
544 return C_NodeNames.CREATE_ALIAS_NODE_NAME;
545
546 case C_NodeTypes.PROJECT_RESTRICT_NODE:
547 return C_NodeNames.PROJECT_RESTRICT_NODE_NAME;
548
549 case C_NodeTypes.SQL_BOOLEAN_CONSTANT_NODE:
550 return C_NodeNames.SQL_BOOLEAN_CONSTANT_NODE_NAME;
551
552 case C_NodeTypes.DROP_ALIAS_NODE:
553 return C_NodeNames.DROP_ALIAS_NODE_NAME;
554
555 case C_NodeTypes.TEST_CONSTRAINT_NODE:
556 return C_NodeNames.TEST_CONSTRAINT_NODE_NAME;
557
558 case C_NodeTypes.ABSOLUTE_OPERATOR_NODE:
559 case C_NodeTypes.SQRT_OPERATOR_NODE:
560 case C_NodeTypes.UNARY_PLUS_OPERATOR_NODE:
561 case C_NodeTypes.UNARY_MINUS_OPERATOR_NODE:
562 return C_NodeNames.UNARY_ARITHMETIC_OPERATOR_NODE_NAME;
563
564 case C_NodeTypes.SAVEPOINT_NODE:
565 return C_NodeNames.SAVEPOINT_NODE_NAME;
566
567 case C_NodeTypes.UNARY_DATE_TIMESTAMP_OPERATOR_NODE:
568 return C_NodeNames.UNARY_DATE_TIMESTAMP_OPERATOR_NODE_NAME;
569
570 case C_NodeTypes.TIMESTAMP_OPERATOR_NODE:
571 return C_NodeNames.TIMESTAMP_OPERATOR_NODE_NAME;
572
573 case C_NodeTypes.DB2_LENGTH_OPERATOR_NODE:
574 return C_NodeNames.DB2_LENGTH_OPERATOR_NODE_NAME;
575
576 case C_NodeTypes.XML_PARSE_OPERATOR_NODE:
577 case C_NodeTypes.XML_SERIALIZE_OPERATOR_NODE:
578 return C_NodeNames.UNARY_OPERATOR_NODE_NAME;
579
580 case C_NodeTypes.XML_EXISTS_OPERATOR_NODE:
581 case C_NodeTypes.XML_QUERY_OPERATOR_NODE:
582 return C_NodeNames.BINARY_OPERATOR_NODE_NAME;
583
584 case C_NodeTypes.GRANT_NODE:
585 return C_NodeNames.GRANT_NODE_NAME;
586 case C_NodeTypes.REVOKE_NODE:
587 return C_NodeNames.REVOKE_NODE_NAME;
588
589 case C_NodeTypes.PRIVILEGE_NODE:
590 return C_NodeNames.PRIVILEGE_NAME;
591
592 case C_NodeTypes.TABLE_PRIVILEGES_NODE:
593 return C_NodeNames.TABLE_PRIVILEGES_NAME;
594
595
598 default:
599 throw StandardException.newException(SQLState.NOT_IMPLEMENTED);
600 }
601 }
602
603
604
622 public QueryTreeNode
623 getCreateAliasNode(
624 Object aliasName,
625 Object targetName,
626 Object aliasSpecificInfo,
627 char aliasType,
628 Boolean delimitedIdentifier,
629 ContextManager cm)
630 throws StandardException
631 {
632 int nodeType;
633 String methodName = null;
634 String targetMethodName = null;
635 String targetClassName = null;
636
637 nodeType = C_NodeTypes.CREATE_ALIAS_NODE;
638
639 if (aliasType != AliasInfo.ALIAS_TYPE_SYNONYM_AS_CHAR)
640 {
641 int lastPeriod;
642 String fullStaticMethodName = (String ) targetName;
643 int paren = fullStaticMethodName.indexOf('(');
644 if (paren == -1) {
645 lastPeriod = fullStaticMethodName.lastIndexOf('.');
647 } else {
648 lastPeriod = fullStaticMethodName.substring(0, paren).lastIndexOf('.');
650 }
651 if (lastPeriod == -1 || lastPeriod == fullStaticMethodName.length()-1) {
652 throw StandardException.newException(SQLState.LANG_INVALID_FULL_STATIC_METHOD_NAME, fullStaticMethodName);
653 }
654 String javaClassName = fullStaticMethodName.substring(0, lastPeriod);
655 methodName = fullStaticMethodName.substring(lastPeriod + 1);
656 targetName = javaClassName;
657 }
658
659 return getNode(
660 nodeType,
661 aliasName,
662 targetName,
663 methodName,
664 aliasSpecificInfo,
665 new Character (aliasType),
666 delimitedIdentifier,
667 cm );
668 }
669
670
682 public ResultSetNode mapTableAsVTI(
683 TableDescriptor td,
684 String vtiClass,
685 String correlationName,
686 ResultColumnList resultColumns,
687 Properties tableProperties,
688 ContextManager cm)
689 throws StandardException {
690
691
692 QueryTreeNode newNode = getNode(C_NodeTypes.NEW_INVOCATION_NODE,
693 vtiClass,
694 emptyVector, Boolean.FALSE,
695 cm);
696
697 QueryTreeNode vtiNode;
698
699 if (correlationName != null)
700 {
701 vtiNode = getNode(C_NodeTypes.FROM_VTI,
702 newNode,
703 correlationName,
704 resultColumns,
705 tableProperties,
706 cm);
707 }
708 else
709 {
710 TableName exposedName = newNode.makeTableName(td.getSchemaName(),
711 td.getDescriptorName());
712
713 vtiNode = getNode(C_NodeTypes.FROM_VTI,
714 newNode,
715 correlationName,
716 resultColumns,
717 tableProperties,
718 exposedName,
719 cm);
720 }
721
722 return (ResultSetNode) vtiNode;
723 }
724 }
725
726
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