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readfuncs.c
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1 /*-------------------------------------------------------------------------
2  *
3  * readfuncs.c
4  * Reader functions for Postgres tree nodes.
5  *
6  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
7  * Portions Copyright (c) 1994, Regents of the University of California
8  *
9  *
10  * IDENTIFICATION
11  * src/backend/nodes/readfuncs.c
12  *
13  * NOTES
14  * Path nodes do not have any readfuncs support, because we never
15  * have occasion to read them in. (There was once code here that
16  * claimed to read them, but it was broken as well as unused.) We
17  * never read executor state trees, either.
18  *
19  * Parse location fields are written out by outfuncs.c, but only for
20  * debugging use. When reading a location field, we normally discard
21  * the stored value and set the location field to -1 (ie, "unknown").
22  * This is because nodes coming from a stored rule should not be thought
23  * to have a known location in the current query's text.
24  * However, if restore_location_fields is true, we do restore location
25  * fields from the string. This is currently intended only for use by the
26  * WRITE_READ_PARSE_PLAN_TREES test code, which doesn't want to cause
27  * any change in the node contents.
28  *
29  *-------------------------------------------------------------------------
30  */
31 #include "postgres.h"
32 
33 #include <math.h>
34 
35 #include "fmgr.h"
36 #include "miscadmin.h"
37 #include "nodes/extensible.h"
38 #include "nodes/parsenodes.h"
39 #include "nodes/plannodes.h"
40 #include "nodes/readfuncs.h"
41 #include "utils/builtins.h"
42 
43 
44 /*
45  * Macros to simplify reading of different kinds of fields. Use these
46  * wherever possible to reduce the chance for silly typos. Note that these
47  * hard-wire conventions about the names of the local variables in a Read
48  * routine.
49  */
50 
51 /* Macros for declaring appropriate local variables */
52 
53 /* A few guys need only local_node */
54 #define READ_LOCALS_NO_FIELDS(nodeTypeName) \
55  nodeTypeName *local_node = makeNode(nodeTypeName)
56 
57 /* And a few guys need only the pg_strtok support fields */
58 #define READ_TEMP_LOCALS() \
59  const char *token; \
60  int length
61 
62 /* ... but most need both */
63 #define READ_LOCALS(nodeTypeName) \
64  READ_LOCALS_NO_FIELDS(nodeTypeName); \
65  READ_TEMP_LOCALS()
66 
67 /* Read an integer field (anything written as ":fldname %d") */
68 #define READ_INT_FIELD(fldname) \
69  token = pg_strtok(&length); /* skip :fldname */ \
70  token = pg_strtok(&length); /* get field value */ \
71  local_node->fldname = atoi(token)
72 
73 /* Read an unsigned integer field (anything written as ":fldname %u") */
74 #define READ_UINT_FIELD(fldname) \
75  token = pg_strtok(&length); /* skip :fldname */ \
76  token = pg_strtok(&length); /* get field value */ \
77  local_node->fldname = atoui(token)
78 
79 /* Read an unsigned integer field (anything written using UINT64_FORMAT) */
80 #define READ_UINT64_FIELD(fldname) \
81  token = pg_strtok(&length); /* skip :fldname */ \
82  token = pg_strtok(&length); /* get field value */ \
83  local_node->fldname = pg_strtouint64(token, NULL, 10)
84 
85 /* Read a long integer field (anything written as ":fldname %ld") */
86 #define READ_LONG_FIELD(fldname) \
87  token = pg_strtok(&length); /* skip :fldname */ \
88  token = pg_strtok(&length); /* get field value */ \
89  local_node->fldname = atol(token)
90 
91 /* Read an OID field (don't hard-wire assumption that OID is same as uint) */
92 #define READ_OID_FIELD(fldname) \
93  token = pg_strtok(&length); /* skip :fldname */ \
94  token = pg_strtok(&length); /* get field value */ \
95  local_node->fldname = atooid(token)
96 
97 /* Read a char field (ie, one ascii character) */
98 #define READ_CHAR_FIELD(fldname) \
99  token = pg_strtok(&length); /* skip :fldname */ \
100  token = pg_strtok(&length); /* get field value */ \
101  /* avoid overhead of calling debackslash() for one char */ \
102  local_node->fldname = (length == 0) ? '\0' : (token[0] == '\\' ? token[1] : token[0])
103 
104 /* Read an enumerated-type field that was written as an integer code */
105 #define READ_ENUM_FIELD(fldname, enumtype) \
106  token = pg_strtok(&length); /* skip :fldname */ \
107  token = pg_strtok(&length); /* get field value */ \
108  local_node->fldname = (enumtype) atoi(token)
109 
110 /* Read a float field */
111 #define READ_FLOAT_FIELD(fldname) \
112  token = pg_strtok(&length); /* skip :fldname */ \
113  token = pg_strtok(&length); /* get field value */ \
114  local_node->fldname = atof(token)
115 
116 /* Read a boolean field */
117 #define READ_BOOL_FIELD(fldname) \
118  token = pg_strtok(&length); /* skip :fldname */ \
119  token = pg_strtok(&length); /* get field value */ \
120  local_node->fldname = strtobool(token)
121 
122 /* Read a character-string field */
123 #define READ_STRING_FIELD(fldname) \
124  token = pg_strtok(&length); /* skip :fldname */ \
125  token = pg_strtok(&length); /* get field value */ \
126  local_node->fldname = nullable_string(token, length)
127 
128 /* Read a parse location field (and possibly throw away the value) */
129 #ifdef WRITE_READ_PARSE_PLAN_TREES
130 #define READ_LOCATION_FIELD(fldname) \
131  token = pg_strtok(&length); /* skip :fldname */ \
132  token = pg_strtok(&length); /* get field value */ \
133  local_node->fldname = restore_location_fields ? atoi(token) : -1
134 #else
135 #define READ_LOCATION_FIELD(fldname) \
136  token = pg_strtok(&length); /* skip :fldname */ \
137  token = pg_strtok(&length); /* get field value */ \
138  (void) token; /* in case not used elsewhere */ \
139  local_node->fldname = -1 /* set field to "unknown" */
140 #endif
141 
142 /* Read a Node field */
143 #define READ_NODE_FIELD(fldname) \
144  token = pg_strtok(&length); /* skip :fldname */ \
145  (void) token; /* in case not used elsewhere */ \
146  local_node->fldname = nodeRead(NULL, 0)
147 
148 /* Read a bitmapset field */
149 #define READ_BITMAPSET_FIELD(fldname) \
150  token = pg_strtok(&length); /* skip :fldname */ \
151  (void) token; /* in case not used elsewhere */ \
152  local_node->fldname = _readBitmapset()
153 
154 /* Read an attribute number array */
155 #define READ_ATTRNUMBER_ARRAY(fldname, len) \
156  token = pg_strtok(&length); /* skip :fldname */ \
157  local_node->fldname = readAttrNumberCols(len);
158 
159 /* Read an oid array */
160 #define READ_OID_ARRAY(fldname, len) \
161  token = pg_strtok(&length); /* skip :fldname */ \
162  local_node->fldname = readOidCols(len);
163 
164 /* Read an int array */
165 #define READ_INT_ARRAY(fldname, len) \
166  token = pg_strtok(&length); /* skip :fldname */ \
167  local_node->fldname = readIntCols(len);
168 
169 /* Read a bool array */
170 #define READ_BOOL_ARRAY(fldname, len) \
171  token = pg_strtok(&length); /* skip :fldname */ \
172  local_node->fldname = readBoolCols(len);
173 
174 /* Routine exit */
175 #define READ_DONE() \
176  return local_node
177 
178 
179 /*
180  * NOTE: use atoi() to read values written with %d, or atoui() to read
181  * values written with %u in outfuncs.c. An exception is OID values,
182  * for which use atooid(). (As of 7.1, outfuncs.c writes OIDs as %u,
183  * but this will probably change in the future.)
184  */
185 #define atoui(x) ((unsigned int) strtoul((x), NULL, 10))
186 
187 #define strtobool(x) ((*(x) == 't') ? true : false)
188 
189 #define nullable_string(token,length) \
190  ((length) == 0 ? NULL : debackslash(token, length))
191 
192 
193 /*
194  * _readBitmapset
195  */
196 static Bitmapset *
198 {
199  Bitmapset *result = NULL;
200 
202 
203  token = pg_strtok(&length);
204  if (token == NULL)
205  elog(ERROR, "incomplete Bitmapset structure");
206  if (length != 1 || token[0] != '(')
207  elog(ERROR, "unrecognized token: \"%.*s\"", length, token);
208 
209  token = pg_strtok(&length);
210  if (token == NULL)
211  elog(ERROR, "incomplete Bitmapset structure");
212  if (length != 1 || token[0] != 'b')
213  elog(ERROR, "unrecognized token: \"%.*s\"", length, token);
214 
215  for (;;)
216  {
217  int val;
218  char *endptr;
219 
220  token = pg_strtok(&length);
221  if (token == NULL)
222  elog(ERROR, "unterminated Bitmapset structure");
223  if (length == 1 && token[0] == ')')
224  break;
225  val = (int) strtol(token, &endptr, 10);
226  if (endptr != token + length)
227  elog(ERROR, "unrecognized integer: \"%.*s\"", length, token);
228  result = bms_add_member(result, val);
229  }
230 
231  return result;
232 }
233 
234 /*
235  * for use by extensions which define extensible nodes
236  */
237 Bitmapset *
239 {
240  return _readBitmapset();
241 }
242 
243 /*
244  * _readQuery
245  */
246 static Query *
248 {
250 
251  READ_ENUM_FIELD(commandType, CmdType);
252  READ_ENUM_FIELD(querySource, QuerySource);
253  local_node->queryId = UINT64CONST(0); /* not saved in output format */
254  READ_BOOL_FIELD(canSetTag);
255  READ_NODE_FIELD(utilityStmt);
256  READ_INT_FIELD(resultRelation);
257  READ_BOOL_FIELD(hasAggs);
258  READ_BOOL_FIELD(hasWindowFuncs);
259  READ_BOOL_FIELD(hasTargetSRFs);
260  READ_BOOL_FIELD(hasSubLinks);
261  READ_BOOL_FIELD(hasDistinctOn);
262  READ_BOOL_FIELD(hasRecursive);
263  READ_BOOL_FIELD(hasModifyingCTE);
264  READ_BOOL_FIELD(hasForUpdate);
265  READ_BOOL_FIELD(hasRowSecurity);
266  READ_NODE_FIELD(cteList);
267  READ_NODE_FIELD(rtable);
268  READ_NODE_FIELD(jointree);
269  READ_NODE_FIELD(targetList);
270  READ_ENUM_FIELD(override, OverridingKind);
271  READ_NODE_FIELD(onConflict);
272  READ_NODE_FIELD(returningList);
273  READ_NODE_FIELD(groupClause);
274  READ_NODE_FIELD(groupingSets);
275  READ_NODE_FIELD(havingQual);
276  READ_NODE_FIELD(windowClause);
277  READ_NODE_FIELD(distinctClause);
278  READ_NODE_FIELD(sortClause);
279  READ_NODE_FIELD(limitOffset);
280  READ_NODE_FIELD(limitCount);
281  READ_NODE_FIELD(rowMarks);
282  READ_NODE_FIELD(setOperations);
283  READ_NODE_FIELD(constraintDeps);
284  READ_NODE_FIELD(withCheckOptions);
285  READ_LOCATION_FIELD(stmt_location);
286  READ_LOCATION_FIELD(stmt_len);
287 
288  READ_DONE();
289 }
290 
291 /*
292  * _readNotifyStmt
293  */
294 static NotifyStmt *
296 {
298 
299  READ_STRING_FIELD(conditionname);
300  READ_STRING_FIELD(payload);
301 
302  READ_DONE();
303 }
304 
305 /*
306  * _readDeclareCursorStmt
307  */
308 static DeclareCursorStmt *
310 {
312 
313  READ_STRING_FIELD(portalname);
315  READ_NODE_FIELD(query);
316 
317  READ_DONE();
318 }
319 
320 /*
321  * _readWithCheckOption
322  */
323 static WithCheckOption *
325 {
327 
328  READ_ENUM_FIELD(kind, WCOKind);
330  READ_STRING_FIELD(polname);
331  READ_NODE_FIELD(qual);
332  READ_BOOL_FIELD(cascaded);
333 
334  READ_DONE();
335 }
336 
337 /*
338  * _readSortGroupClause
339  */
340 static SortGroupClause *
342 {
344 
345  READ_UINT_FIELD(tleSortGroupRef);
346  READ_OID_FIELD(eqop);
347  READ_OID_FIELD(sortop);
348  READ_BOOL_FIELD(nulls_first);
349  READ_BOOL_FIELD(hashable);
350 
351  READ_DONE();
352 }
353 
354 /*
355  * _readGroupingSet
356  */
357 static GroupingSet *
359 {
361 
363  READ_NODE_FIELD(content);
364  READ_LOCATION_FIELD(location);
365 
366  READ_DONE();
367 }
368 
369 /*
370  * _readWindowClause
371  */
372 static WindowClause *
374 {
376 
378  READ_STRING_FIELD(refname);
379  READ_NODE_FIELD(partitionClause);
380  READ_NODE_FIELD(orderClause);
381  READ_INT_FIELD(frameOptions);
382  READ_NODE_FIELD(startOffset);
383  READ_NODE_FIELD(endOffset);
384  READ_OID_FIELD(startInRangeFunc);
385  READ_OID_FIELD(endInRangeFunc);
386  READ_OID_FIELD(inRangeColl);
387  READ_BOOL_FIELD(inRangeAsc);
388  READ_BOOL_FIELD(inRangeNullsFirst);
389  READ_UINT_FIELD(winref);
390  READ_BOOL_FIELD(copiedOrder);
391 
392  READ_DONE();
393 }
394 
395 /*
396  * _readRowMarkClause
397  */
398 static RowMarkClause *
400 {
402 
403  READ_UINT_FIELD(rti);
405  READ_ENUM_FIELD(waitPolicy, LockWaitPolicy);
406  READ_BOOL_FIELD(pushedDown);
407 
408  READ_DONE();
409 }
410 
411 /*
412  * _readCommonTableExpr
413  */
414 static CommonTableExpr *
416 {
418 
419  READ_STRING_FIELD(ctename);
420  READ_NODE_FIELD(aliascolnames);
421  READ_ENUM_FIELD(ctematerialized, CTEMaterialize);
422  READ_NODE_FIELD(ctequery);
423  READ_LOCATION_FIELD(location);
424  READ_BOOL_FIELD(cterecursive);
425  READ_INT_FIELD(cterefcount);
426  READ_NODE_FIELD(ctecolnames);
427  READ_NODE_FIELD(ctecoltypes);
428  READ_NODE_FIELD(ctecoltypmods);
429  READ_NODE_FIELD(ctecolcollations);
430 
431  READ_DONE();
432 }
433 
434 /*
435  * _readSetOperationStmt
436  */
437 static SetOperationStmt *
439 {
441 
443  READ_BOOL_FIELD(all);
444  READ_NODE_FIELD(larg);
445  READ_NODE_FIELD(rarg);
446  READ_NODE_FIELD(colTypes);
447  READ_NODE_FIELD(colTypmods);
448  READ_NODE_FIELD(colCollations);
449  READ_NODE_FIELD(groupClauses);
450 
451  READ_DONE();
452 }
453 
454 
455 /*
456  * Stuff from primnodes.h.
457  */
458 
459 static Alias *
461 {
463 
464  READ_STRING_FIELD(aliasname);
465  READ_NODE_FIELD(colnames);
466 
467  READ_DONE();
468 }
469 
470 static RangeVar *
472 {
474 
475  local_node->catalogname = NULL; /* not currently saved in output format */
476 
477  READ_STRING_FIELD(schemaname);
479  READ_BOOL_FIELD(inh);
481  READ_NODE_FIELD(alias);
482  READ_LOCATION_FIELD(location);
483 
484  READ_DONE();
485 }
486 
487 /*
488  * _readTableFunc
489  */
490 static TableFunc *
492 {
494 
495  READ_NODE_FIELD(ns_uris);
496  READ_NODE_FIELD(ns_names);
497  READ_NODE_FIELD(docexpr);
498  READ_NODE_FIELD(rowexpr);
499  READ_NODE_FIELD(colnames);
500  READ_NODE_FIELD(coltypes);
501  READ_NODE_FIELD(coltypmods);
502  READ_NODE_FIELD(colcollations);
503  READ_NODE_FIELD(colexprs);
504  READ_NODE_FIELD(coldefexprs);
505  READ_BITMAPSET_FIELD(notnulls);
506  READ_INT_FIELD(ordinalitycol);
507  READ_LOCATION_FIELD(location);
508 
509  READ_DONE();
510 }
511 
512 static IntoClause *
514 {
516 
517  READ_NODE_FIELD(rel);
518  READ_NODE_FIELD(colNames);
519  READ_STRING_FIELD(accessMethod);
521  READ_ENUM_FIELD(onCommit, OnCommitAction);
522  READ_STRING_FIELD(tableSpaceName);
523  READ_NODE_FIELD(viewQuery);
524  READ_BOOL_FIELD(skipData);
525 
526  READ_DONE();
527 }
528 
529 /*
530  * _readVar
531  */
532 static Var *
533 _readVar(void)
534 {
535  READ_LOCALS(Var);
536 
537  READ_UINT_FIELD(varno);
538  READ_INT_FIELD(varattno);
539  READ_OID_FIELD(vartype);
540  READ_INT_FIELD(vartypmod);
541  READ_OID_FIELD(varcollid);
542  READ_UINT_FIELD(varlevelsup);
543  READ_UINT_FIELD(varnoold);
544  READ_INT_FIELD(varoattno);
545  READ_LOCATION_FIELD(location);
546 
547  READ_DONE();
548 }
549 
550 /*
551  * _readConst
552  */
553 static Const *
555 {
557 
558  READ_OID_FIELD(consttype);
559  READ_INT_FIELD(consttypmod);
560  READ_OID_FIELD(constcollid);
561  READ_INT_FIELD(constlen);
562  READ_BOOL_FIELD(constbyval);
563  READ_BOOL_FIELD(constisnull);
564  READ_LOCATION_FIELD(location);
565 
566  token = pg_strtok(&length); /* skip :constvalue */
567  if (local_node->constisnull)
568  token = pg_strtok(&length); /* skip "<>" */
569  else
570  local_node->constvalue = readDatum(local_node->constbyval);
571 
572  READ_DONE();
573 }
574 
575 /*
576  * _readParam
577  */
578 static Param *
580 {
582 
583  READ_ENUM_FIELD(paramkind, ParamKind);
584  READ_INT_FIELD(paramid);
585  READ_OID_FIELD(paramtype);
586  READ_INT_FIELD(paramtypmod);
587  READ_OID_FIELD(paramcollid);
588  READ_LOCATION_FIELD(location);
589 
590  READ_DONE();
591 }
592 
593 /*
594  * _readAggref
595  */
596 static Aggref *
598 {
600 
601  READ_OID_FIELD(aggfnoid);
602  READ_OID_FIELD(aggtype);
603  READ_OID_FIELD(aggcollid);
604  READ_OID_FIELD(inputcollid);
605  READ_OID_FIELD(aggtranstype);
606  READ_NODE_FIELD(aggargtypes);
607  READ_NODE_FIELD(aggdirectargs);
609  READ_NODE_FIELD(aggorder);
610  READ_NODE_FIELD(aggdistinct);
611  READ_NODE_FIELD(aggfilter);
612  READ_BOOL_FIELD(aggstar);
613  READ_BOOL_FIELD(aggvariadic);
614  READ_CHAR_FIELD(aggkind);
615  READ_UINT_FIELD(agglevelsup);
616  READ_ENUM_FIELD(aggsplit, AggSplit);
617  READ_LOCATION_FIELD(location);
618 
619  READ_DONE();
620 }
621 
622 /*
623  * _readGroupingFunc
624  */
625 static GroupingFunc *
627 {
629 
631  READ_NODE_FIELD(refs);
632  READ_NODE_FIELD(cols);
633  READ_UINT_FIELD(agglevelsup);
634  READ_LOCATION_FIELD(location);
635 
636  READ_DONE();
637 }
638 
639 /*
640  * _readWindowFunc
641  */
642 static WindowFunc *
644 {
646 
647  READ_OID_FIELD(winfnoid);
648  READ_OID_FIELD(wintype);
649  READ_OID_FIELD(wincollid);
650  READ_OID_FIELD(inputcollid);
652  READ_NODE_FIELD(aggfilter);
653  READ_UINT_FIELD(winref);
654  READ_BOOL_FIELD(winstar);
655  READ_BOOL_FIELD(winagg);
656  READ_LOCATION_FIELD(location);
657 
658  READ_DONE();
659 }
660 
661 /*
662  * _readSubscriptingRef
663  */
664 static SubscriptingRef *
666 {
668 
669  READ_OID_FIELD(refcontainertype);
670  READ_OID_FIELD(refelemtype);
671  READ_INT_FIELD(reftypmod);
672  READ_OID_FIELD(refcollid);
673  READ_NODE_FIELD(refupperindexpr);
674  READ_NODE_FIELD(reflowerindexpr);
675  READ_NODE_FIELD(refexpr);
676  READ_NODE_FIELD(refassgnexpr);
677 
678  READ_DONE();
679 }
680 
681 /*
682  * _readFuncExpr
683  */
684 static FuncExpr *
686 {
688 
689  READ_OID_FIELD(funcid);
690  READ_OID_FIELD(funcresulttype);
691  READ_BOOL_FIELD(funcretset);
692  READ_BOOL_FIELD(funcvariadic);
693  READ_ENUM_FIELD(funcformat, CoercionForm);
694  READ_OID_FIELD(funccollid);
695  READ_OID_FIELD(inputcollid);
697  READ_LOCATION_FIELD(location);
698 
699  READ_DONE();
700 }
701 
702 /*
703  * _readNamedArgExpr
704  */
705 static NamedArgExpr *
707 {
709 
712  READ_INT_FIELD(argnumber);
713  READ_LOCATION_FIELD(location);
714 
715  READ_DONE();
716 }
717 
718 /*
719  * _readOpExpr
720  */
721 static OpExpr *
723 {
725 
726  READ_OID_FIELD(opno);
727  READ_OID_FIELD(opfuncid);
728  READ_OID_FIELD(opresulttype);
729  READ_BOOL_FIELD(opretset);
730  READ_OID_FIELD(opcollid);
731  READ_OID_FIELD(inputcollid);
733  READ_LOCATION_FIELD(location);
734 
735  READ_DONE();
736 }
737 
738 /*
739  * _readDistinctExpr
740  */
741 static DistinctExpr *
743 {
745 
746  READ_OID_FIELD(opno);
747  READ_OID_FIELD(opfuncid);
748  READ_OID_FIELD(opresulttype);
749  READ_BOOL_FIELD(opretset);
750  READ_OID_FIELD(opcollid);
751  READ_OID_FIELD(inputcollid);
753  READ_LOCATION_FIELD(location);
754 
755  READ_DONE();
756 }
757 
758 /*
759  * _readNullIfExpr
760  */
761 static NullIfExpr *
763 {
765 
766  READ_OID_FIELD(opno);
767  READ_OID_FIELD(opfuncid);
768  READ_OID_FIELD(opresulttype);
769  READ_BOOL_FIELD(opretset);
770  READ_OID_FIELD(opcollid);
771  READ_OID_FIELD(inputcollid);
773  READ_LOCATION_FIELD(location);
774 
775  READ_DONE();
776 }
777 
778 /*
779  * _readScalarArrayOpExpr
780  */
781 static ScalarArrayOpExpr *
783 {
785 
786  READ_OID_FIELD(opno);
787  READ_OID_FIELD(opfuncid);
788  READ_BOOL_FIELD(useOr);
789  READ_OID_FIELD(inputcollid);
791  READ_LOCATION_FIELD(location);
792 
793  READ_DONE();
794 }
795 
796 /*
797  * _readBoolExpr
798  */
799 static BoolExpr *
801 {
803 
804  /* do-it-yourself enum representation */
805  token = pg_strtok(&length); /* skip :boolop */
806  token = pg_strtok(&length); /* get field value */
807  if (strncmp(token, "and", 3) == 0)
808  local_node->boolop = AND_EXPR;
809  else if (strncmp(token, "or", 2) == 0)
810  local_node->boolop = OR_EXPR;
811  else if (strncmp(token, "not", 3) == 0)
812  local_node->boolop = NOT_EXPR;
813  else
814  elog(ERROR, "unrecognized boolop \"%.*s\"", length, token);
815 
817  READ_LOCATION_FIELD(location);
818 
819  READ_DONE();
820 }
821 
822 /*
823  * _readSubLink
824  */
825 static SubLink *
827 {
829 
830  READ_ENUM_FIELD(subLinkType, SubLinkType);
831  READ_INT_FIELD(subLinkId);
832  READ_NODE_FIELD(testexpr);
833  READ_NODE_FIELD(operName);
834  READ_NODE_FIELD(subselect);
835  READ_LOCATION_FIELD(location);
836 
837  READ_DONE();
838 }
839 
840 /*
841  * _readSubPlan is not needed since it doesn't appear in stored rules.
842  */
843 
844 /*
845  * _readFieldSelect
846  */
847 static FieldSelect *
849 {
851 
853  READ_INT_FIELD(fieldnum);
854  READ_OID_FIELD(resulttype);
855  READ_INT_FIELD(resulttypmod);
856  READ_OID_FIELD(resultcollid);
857 
858  READ_DONE();
859 }
860 
861 /*
862  * _readFieldStore
863  */
864 static FieldStore *
866 {
868 
870  READ_NODE_FIELD(newvals);
871  READ_NODE_FIELD(fieldnums);
872  READ_OID_FIELD(resulttype);
873 
874  READ_DONE();
875 }
876 
877 /*
878  * _readRelabelType
879  */
880 static RelabelType *
882 {
884 
886  READ_OID_FIELD(resulttype);
887  READ_INT_FIELD(resulttypmod);
888  READ_OID_FIELD(resultcollid);
889  READ_ENUM_FIELD(relabelformat, CoercionForm);
890  READ_LOCATION_FIELD(location);
891 
892  READ_DONE();
893 }
894 
895 /*
896  * _readCoerceViaIO
897  */
898 static CoerceViaIO *
900 {
902 
904  READ_OID_FIELD(resulttype);
905  READ_OID_FIELD(resultcollid);
906  READ_ENUM_FIELD(coerceformat, CoercionForm);
907  READ_LOCATION_FIELD(location);
908 
909  READ_DONE();
910 }
911 
912 /*
913  * _readArrayCoerceExpr
914  */
915 static ArrayCoerceExpr *
917 {
919 
921  READ_NODE_FIELD(elemexpr);
922  READ_OID_FIELD(resulttype);
923  READ_INT_FIELD(resulttypmod);
924  READ_OID_FIELD(resultcollid);
925  READ_ENUM_FIELD(coerceformat, CoercionForm);
926  READ_LOCATION_FIELD(location);
927 
928  READ_DONE();
929 }
930 
931 /*
932  * _readConvertRowtypeExpr
933  */
934 static ConvertRowtypeExpr *
936 {
938 
940  READ_OID_FIELD(resulttype);
941  READ_ENUM_FIELD(convertformat, CoercionForm);
942  READ_LOCATION_FIELD(location);
943 
944  READ_DONE();
945 }
946 
947 /*
948  * _readCollateExpr
949  */
950 static CollateExpr *
952 {
954 
956  READ_OID_FIELD(collOid);
957  READ_LOCATION_FIELD(location);
958 
959  READ_DONE();
960 }
961 
962 /*
963  * _readCaseExpr
964  */
965 static CaseExpr *
967 {
969 
970  READ_OID_FIELD(casetype);
971  READ_OID_FIELD(casecollid);
974  READ_NODE_FIELD(defresult);
975  READ_LOCATION_FIELD(location);
976 
977  READ_DONE();
978 }
979 
980 /*
981  * _readCaseWhen
982  */
983 static CaseWhen *
985 {
987 
988  READ_NODE_FIELD(expr);
989  READ_NODE_FIELD(result);
990  READ_LOCATION_FIELD(location);
991 
992  READ_DONE();
993 }
994 
995 /*
996  * _readCaseTestExpr
997  */
998 static CaseTestExpr *
1000 {
1002 
1003  READ_OID_FIELD(typeId);
1004  READ_INT_FIELD(typeMod);
1005  READ_OID_FIELD(collation);
1006 
1007  READ_DONE();
1008 }
1009 
1010 /*
1011  * _readArrayExpr
1012  */
1013 static ArrayExpr *
1015 {
1017 
1018  READ_OID_FIELD(array_typeid);
1019  READ_OID_FIELD(array_collid);
1020  READ_OID_FIELD(element_typeid);
1021  READ_NODE_FIELD(elements);
1022  READ_BOOL_FIELD(multidims);
1023  READ_LOCATION_FIELD(location);
1024 
1025  READ_DONE();
1026 }
1027 
1028 /*
1029  * _readRowExpr
1030  */
1031 static RowExpr *
1033 {
1035 
1037  READ_OID_FIELD(row_typeid);
1038  READ_ENUM_FIELD(row_format, CoercionForm);
1039  READ_NODE_FIELD(colnames);
1040  READ_LOCATION_FIELD(location);
1041 
1042  READ_DONE();
1043 }
1044 
1045 /*
1046  * _readRowCompareExpr
1047  */
1048 static RowCompareExpr *
1050 {
1052 
1054  READ_NODE_FIELD(opnos);
1055  READ_NODE_FIELD(opfamilies);
1056  READ_NODE_FIELD(inputcollids);
1057  READ_NODE_FIELD(largs);
1058  READ_NODE_FIELD(rargs);
1059 
1060  READ_DONE();
1061 }
1062 
1063 /*
1064  * _readCoalesceExpr
1065  */
1066 static CoalesceExpr *
1068 {
1070 
1071  READ_OID_FIELD(coalescetype);
1072  READ_OID_FIELD(coalescecollid);
1074  READ_LOCATION_FIELD(location);
1075 
1076  READ_DONE();
1077 }
1078 
1079 /*
1080  * _readMinMaxExpr
1081  */
1082 static MinMaxExpr *
1084 {
1086 
1087  READ_OID_FIELD(minmaxtype);
1088  READ_OID_FIELD(minmaxcollid);
1089  READ_OID_FIELD(inputcollid);
1092  READ_LOCATION_FIELD(location);
1093 
1094  READ_DONE();
1095 }
1096 
1097 /*
1098  * _readSQLValueFunction
1099  */
1100 static SQLValueFunction *
1102 {
1104 
1107  READ_INT_FIELD(typmod);
1108  READ_LOCATION_FIELD(location);
1109 
1110  READ_DONE();
1111 }
1112 
1113 /*
1114  * _readXmlExpr
1115  */
1116 static XmlExpr *
1118 {
1120 
1123  READ_NODE_FIELD(named_args);
1124  READ_NODE_FIELD(arg_names);
1128  READ_INT_FIELD(typmod);
1129  READ_LOCATION_FIELD(location);
1130 
1131  READ_DONE();
1132 }
1133 
1134 /*
1135  * _readNullTest
1136  */
1137 static NullTest *
1139 {
1141 
1143  READ_ENUM_FIELD(nulltesttype, NullTestType);
1144  READ_BOOL_FIELD(argisrow);
1145  READ_LOCATION_FIELD(location);
1146 
1147  READ_DONE();
1148 }
1149 
1150 /*
1151  * _readBooleanTest
1152  */
1153 static BooleanTest *
1155 {
1157 
1159  READ_ENUM_FIELD(booltesttype, BoolTestType);
1160  READ_LOCATION_FIELD(location);
1161 
1162  READ_DONE();
1163 }
1164 
1165 /*
1166  * _readCoerceToDomain
1167  */
1168 static CoerceToDomain *
1170 {
1172 
1174  READ_OID_FIELD(resulttype);
1175  READ_INT_FIELD(resulttypmod);
1176  READ_OID_FIELD(resultcollid);
1177  READ_ENUM_FIELD(coercionformat, CoercionForm);
1178  READ_LOCATION_FIELD(location);
1179 
1180  READ_DONE();
1181 }
1182 
1183 /*
1184  * _readCoerceToDomainValue
1185  */
1186 static CoerceToDomainValue *
1188 {
1190 
1191  READ_OID_FIELD(typeId);
1192  READ_INT_FIELD(typeMod);
1193  READ_OID_FIELD(collation);
1194  READ_LOCATION_FIELD(location);
1195 
1196  READ_DONE();
1197 }
1198 
1199 /*
1200  * _readSetToDefault
1201  */
1202 static SetToDefault *
1204 {
1206 
1207  READ_OID_FIELD(typeId);
1208  READ_INT_FIELD(typeMod);
1209  READ_OID_FIELD(collation);
1210  READ_LOCATION_FIELD(location);
1211 
1212  READ_DONE();
1213 }
1214 
1215 /*
1216  * _readCurrentOfExpr
1217  */
1218 static CurrentOfExpr *
1220 {
1222 
1223  READ_UINT_FIELD(cvarno);
1224  READ_STRING_FIELD(cursor_name);
1225  READ_INT_FIELD(cursor_param);
1226 
1227  READ_DONE();
1228 }
1229 
1230 /*
1231  * _readNextValueExpr
1232  */
1233 static NextValueExpr *
1235 {
1237 
1238  READ_OID_FIELD(seqid);
1239  READ_OID_FIELD(typeId);
1240 
1241  READ_DONE();
1242 }
1243 
1244 /*
1245  * _readInferenceElem
1246  */
1247 static InferenceElem *
1249 {
1251 
1252  READ_NODE_FIELD(expr);
1253  READ_OID_FIELD(infercollid);
1254  READ_OID_FIELD(inferopclass);
1255 
1256  READ_DONE();
1257 }
1258 
1259 /*
1260  * _readTargetEntry
1261  */
1262 static TargetEntry *
1264 {
1266 
1267  READ_NODE_FIELD(expr);
1268  READ_INT_FIELD(resno);
1269  READ_STRING_FIELD(resname);
1270  READ_UINT_FIELD(ressortgroupref);
1271  READ_OID_FIELD(resorigtbl);
1272  READ_INT_FIELD(resorigcol);
1273  READ_BOOL_FIELD(resjunk);
1274 
1275  READ_DONE();
1276 }
1277 
1278 /*
1279  * _readRangeTblRef
1280  */
1281 static RangeTblRef *
1283 {
1285 
1286  READ_INT_FIELD(rtindex);
1287 
1288  READ_DONE();
1289 }
1290 
1291 /*
1292  * _readJoinExpr
1293  */
1294 static JoinExpr *
1296 {
1298 
1299  READ_ENUM_FIELD(jointype, JoinType);
1300  READ_BOOL_FIELD(isNatural);
1301  READ_NODE_FIELD(larg);
1302  READ_NODE_FIELD(rarg);
1303  READ_NODE_FIELD(usingClause);
1304  READ_NODE_FIELD(quals);
1305  READ_NODE_FIELD(alias);
1306  READ_INT_FIELD(rtindex);
1307 
1308  READ_DONE();
1309 }
1310 
1311 /*
1312  * _readFromExpr
1313  */
1314 static FromExpr *
1316 {
1318 
1319  READ_NODE_FIELD(fromlist);
1320  READ_NODE_FIELD(quals);
1321 
1322  READ_DONE();
1323 }
1324 
1325 /*
1326  * _readOnConflictExpr
1327  */
1328 static OnConflictExpr *
1330 {
1332 
1334  READ_NODE_FIELD(arbiterElems);
1335  READ_NODE_FIELD(arbiterWhere);
1336  READ_OID_FIELD(constraint);
1337  READ_NODE_FIELD(onConflictSet);
1338  READ_NODE_FIELD(onConflictWhere);
1339  READ_INT_FIELD(exclRelIndex);
1340  READ_NODE_FIELD(exclRelTlist);
1341 
1342  READ_DONE();
1343 }
1344 
1345 /*
1346  * Stuff from parsenodes.h.
1347  */
1348 
1349 /*
1350  * _readRangeTblEntry
1351  */
1352 static RangeTblEntry *
1354 {
1356 
1357  /* put alias + eref first to make dump more legible */
1358  READ_NODE_FIELD(alias);
1359  READ_NODE_FIELD(eref);
1360  READ_ENUM_FIELD(rtekind, RTEKind);
1361 
1362  switch (local_node->rtekind)
1363  {
1364  case RTE_RELATION:
1365  READ_OID_FIELD(relid);
1367  READ_INT_FIELD(rellockmode);
1368  READ_NODE_FIELD(tablesample);
1369  break;
1370  case RTE_SUBQUERY:
1371  READ_NODE_FIELD(subquery);
1372  READ_BOOL_FIELD(security_barrier);
1373  break;
1374  case RTE_JOIN:
1375  READ_ENUM_FIELD(jointype, JoinType);
1376  READ_NODE_FIELD(joinaliasvars);
1377  break;
1378  case RTE_FUNCTION:
1380  READ_BOOL_FIELD(funcordinality);
1381  break;
1382  case RTE_TABLEFUNC:
1383  READ_NODE_FIELD(tablefunc);
1384  /* The RTE must have a copy of the column type info, if any */
1385  if (local_node->tablefunc)
1386  {
1387  TableFunc *tf = local_node->tablefunc;
1388 
1389  local_node->coltypes = tf->coltypes;
1390  local_node->coltypmods = tf->coltypmods;
1391  local_node->colcollations = tf->colcollations;
1392  }
1393  break;
1394  case RTE_VALUES:
1395  READ_NODE_FIELD(values_lists);
1396  READ_NODE_FIELD(coltypes);
1397  READ_NODE_FIELD(coltypmods);
1398  READ_NODE_FIELD(colcollations);
1399  break;
1400  case RTE_CTE:
1401  READ_STRING_FIELD(ctename);
1402  READ_UINT_FIELD(ctelevelsup);
1403  READ_BOOL_FIELD(self_reference);
1404  READ_NODE_FIELD(coltypes);
1405  READ_NODE_FIELD(coltypmods);
1406  READ_NODE_FIELD(colcollations);
1407  break;
1408  case RTE_NAMEDTUPLESTORE:
1409  READ_STRING_FIELD(enrname);
1410  READ_FLOAT_FIELD(enrtuples);
1411  READ_OID_FIELD(relid);
1412  READ_NODE_FIELD(coltypes);
1413  READ_NODE_FIELD(coltypmods);
1414  READ_NODE_FIELD(colcollations);
1415  break;
1416  case RTE_RESULT:
1417  /* no extra fields */
1418  break;
1419  default:
1420  elog(ERROR, "unrecognized RTE kind: %d",
1421  (int) local_node->rtekind);
1422  break;
1423  }
1424 
1425  READ_BOOL_FIELD(lateral);
1426  READ_BOOL_FIELD(inh);
1427  READ_BOOL_FIELD(inFromCl);
1428  READ_UINT_FIELD(requiredPerms);
1429  READ_OID_FIELD(checkAsUser);
1430  READ_BITMAPSET_FIELD(selectedCols);
1431  READ_BITMAPSET_FIELD(insertedCols);
1432  READ_BITMAPSET_FIELD(updatedCols);
1433  READ_BITMAPSET_FIELD(extraUpdatedCols);
1434  READ_NODE_FIELD(securityQuals);
1435 
1436  READ_DONE();
1437 }
1438 
1439 /*
1440  * _readRangeTblFunction
1441  */
1442 static RangeTblFunction *
1444 {
1446 
1447  READ_NODE_FIELD(funcexpr);
1448  READ_INT_FIELD(funccolcount);
1449  READ_NODE_FIELD(funccolnames);
1450  READ_NODE_FIELD(funccoltypes);
1451  READ_NODE_FIELD(funccoltypmods);
1452  READ_NODE_FIELD(funccolcollations);
1453  READ_BITMAPSET_FIELD(funcparams);
1454 
1455  READ_DONE();
1456 }
1457 
1458 /*
1459  * _readTableSampleClause
1460  */
1461 static TableSampleClause *
1463 {
1465 
1466  READ_OID_FIELD(tsmhandler);
1468  READ_NODE_FIELD(repeatable);
1469 
1470  READ_DONE();
1471 }
1472 
1473 /*
1474  * _readDefElem
1475  */
1476 static DefElem *
1478 {
1480 
1481  READ_STRING_FIELD(defnamespace);
1482  READ_STRING_FIELD(defname);
1484  READ_ENUM_FIELD(defaction, DefElemAction);
1485  READ_LOCATION_FIELD(location);
1486 
1487  READ_DONE();
1488 }
1489 
1490 /*
1491  * Stuff from plannodes.h.
1492  */
1493 
1494 /*
1495  * _readPlannedStmt
1496  */
1497 static PlannedStmt *
1499 {
1501 
1502  READ_ENUM_FIELD(commandType, CmdType);
1503  READ_UINT64_FIELD(queryId);
1504  READ_BOOL_FIELD(hasReturning);
1505  READ_BOOL_FIELD(hasModifyingCTE);
1506  READ_BOOL_FIELD(canSetTag);
1507  READ_BOOL_FIELD(transientPlan);
1508  READ_BOOL_FIELD(dependsOnRole);
1509  READ_BOOL_FIELD(parallelModeNeeded);
1510  READ_INT_FIELD(jitFlags);
1511  READ_NODE_FIELD(planTree);
1512  READ_NODE_FIELD(rtable);
1513  READ_NODE_FIELD(resultRelations);
1514  READ_NODE_FIELD(rootResultRelations);
1515  READ_NODE_FIELD(subplans);
1516  READ_BITMAPSET_FIELD(rewindPlanIDs);
1517  READ_NODE_FIELD(rowMarks);
1518  READ_NODE_FIELD(relationOids);
1519  READ_NODE_FIELD(invalItems);
1520  READ_NODE_FIELD(paramExecTypes);
1521  READ_NODE_FIELD(utilityStmt);
1522  READ_LOCATION_FIELD(stmt_location);
1523  READ_LOCATION_FIELD(stmt_len);
1524 
1525  READ_DONE();
1526 }
1527 
1528 /*
1529  * ReadCommonPlan
1530  * Assign the basic stuff of all nodes that inherit from Plan
1531  */
1532 static void
1533 ReadCommonPlan(Plan *local_node)
1534 {
1535  READ_TEMP_LOCALS();
1536 
1537  READ_FLOAT_FIELD(startup_cost);
1538  READ_FLOAT_FIELD(total_cost);
1539  READ_FLOAT_FIELD(plan_rows);
1540  READ_INT_FIELD(plan_width);
1541  READ_BOOL_FIELD(parallel_aware);
1542  READ_BOOL_FIELD(parallel_safe);
1543  READ_INT_FIELD(plan_node_id);
1544  READ_NODE_FIELD(targetlist);
1545  READ_NODE_FIELD(qual);
1546  READ_NODE_FIELD(lefttree);
1547  READ_NODE_FIELD(righttree);
1548  READ_NODE_FIELD(initPlan);
1549  READ_BITMAPSET_FIELD(extParam);
1550  READ_BITMAPSET_FIELD(allParam);
1551 }
1552 
1553 /*
1554  * _readPlan
1555  */
1556 static Plan *
1558 {
1560 
1561  ReadCommonPlan(local_node);
1562 
1563  READ_DONE();
1564 }
1565 
1566 /*
1567  * _readResult
1568  */
1569 static Result *
1571 {
1573 
1574  ReadCommonPlan(&local_node->plan);
1575 
1576  READ_NODE_FIELD(resconstantqual);
1577 
1578  READ_DONE();
1579 }
1580 
1581 /*
1582  * _readProjectSet
1583  */
1584 static ProjectSet *
1586 {
1588 
1589  ReadCommonPlan(&local_node->plan);
1590 
1591  READ_DONE();
1592 }
1593 
1594 /*
1595  * _readModifyTable
1596  */
1597 static ModifyTable *
1599 {
1601 
1602  ReadCommonPlan(&local_node->plan);
1603 
1604  READ_ENUM_FIELD(operation, CmdType);
1605  READ_BOOL_FIELD(canSetTag);
1606  READ_UINT_FIELD(nominalRelation);
1607  READ_UINT_FIELD(rootRelation);
1608  READ_BOOL_FIELD(partColsUpdated);
1609  READ_NODE_FIELD(resultRelations);
1610  READ_INT_FIELD(resultRelIndex);
1611  READ_INT_FIELD(rootResultRelIndex);
1612  READ_NODE_FIELD(plans);
1613  READ_NODE_FIELD(withCheckOptionLists);
1614  READ_NODE_FIELD(returningLists);
1615  READ_NODE_FIELD(fdwPrivLists);
1616  READ_BITMAPSET_FIELD(fdwDirectModifyPlans);
1617  READ_NODE_FIELD(rowMarks);
1618  READ_INT_FIELD(epqParam);
1619  READ_ENUM_FIELD(onConflictAction, OnConflictAction);
1620  READ_NODE_FIELD(arbiterIndexes);
1621  READ_NODE_FIELD(onConflictSet);
1622  READ_NODE_FIELD(onConflictWhere);
1623  READ_UINT_FIELD(exclRelRTI);
1624  READ_NODE_FIELD(exclRelTlist);
1625 
1626  READ_DONE();
1627 }
1628 
1629 /*
1630  * _readAppend
1631  */
1632 static Append *
1634 {
1636 
1637  ReadCommonPlan(&local_node->plan);
1638 
1639  READ_NODE_FIELD(appendplans);
1640  READ_INT_FIELD(first_partial_plan);
1641  READ_NODE_FIELD(part_prune_info);
1642 
1643  READ_DONE();
1644 }
1645 
1646 /*
1647  * _readMergeAppend
1648  */
1649 static MergeAppend *
1651 {
1653 
1654  ReadCommonPlan(&local_node->plan);
1655 
1656  READ_NODE_FIELD(mergeplans);
1657  READ_INT_FIELD(numCols);
1658  READ_ATTRNUMBER_ARRAY(sortColIdx, local_node->numCols);
1659  READ_OID_ARRAY(sortOperators, local_node->numCols);
1660  READ_OID_ARRAY(collations, local_node->numCols);
1661  READ_BOOL_ARRAY(nullsFirst, local_node->numCols);
1662  READ_NODE_FIELD(part_prune_info);
1663 
1664  READ_DONE();
1665 }
1666 
1667 /*
1668  * _readRecursiveUnion
1669  */
1670 static RecursiveUnion *
1672 {
1674 
1675  ReadCommonPlan(&local_node->plan);
1676 
1677  READ_INT_FIELD(wtParam);
1678  READ_INT_FIELD(numCols);
1679  READ_ATTRNUMBER_ARRAY(dupColIdx, local_node->numCols);
1680  READ_OID_ARRAY(dupOperators, local_node->numCols);
1681  READ_OID_ARRAY(dupCollations, local_node->numCols);
1682  READ_LONG_FIELD(numGroups);
1683 
1684  READ_DONE();
1685 }
1686 
1687 /*
1688  * _readBitmapAnd
1689  */
1690 static BitmapAnd *
1692 {
1694 
1695  ReadCommonPlan(&local_node->plan);
1696 
1697  READ_NODE_FIELD(bitmapplans);
1698 
1699  READ_DONE();
1700 }
1701 
1702 /*
1703  * _readBitmapOr
1704  */
1705 static BitmapOr *
1707 {
1709 
1710  ReadCommonPlan(&local_node->plan);
1711 
1712  READ_BOOL_FIELD(isshared);
1713  READ_NODE_FIELD(bitmapplans);
1714 
1715  READ_DONE();
1716 }
1717 
1718 /*
1719  * ReadCommonScan
1720  * Assign the basic stuff of all nodes that inherit from Scan
1721  */
1722 static void
1723 ReadCommonScan(Scan *local_node)
1724 {
1725  READ_TEMP_LOCALS();
1726 
1727  ReadCommonPlan(&local_node->plan);
1728 
1729  READ_UINT_FIELD(scanrelid);
1730 }
1731 
1732 /*
1733  * _readScan
1734  */
1735 static Scan *
1737 {
1739 
1740  ReadCommonScan(local_node);
1741 
1742  READ_DONE();
1743 }
1744 
1745 /*
1746  * _readSeqScan
1747  */
1748 static SeqScan *
1750 {
1752 
1753  ReadCommonScan(local_node);
1754 
1755  READ_DONE();
1756 }
1757 
1758 /*
1759  * _readSampleScan
1760  */
1761 static SampleScan *
1763 {
1765 
1766  ReadCommonScan(&local_node->scan);
1767 
1768  READ_NODE_FIELD(tablesample);
1769 
1770  READ_DONE();
1771 }
1772 
1773 /*
1774  * _readIndexScan
1775  */
1776 static IndexScan *
1778 {
1780 
1781  ReadCommonScan(&local_node->scan);
1782 
1783  READ_OID_FIELD(indexid);
1784  READ_NODE_FIELD(indexqual);
1785  READ_NODE_FIELD(indexqualorig);
1786  READ_NODE_FIELD(indexorderby);
1787  READ_NODE_FIELD(indexorderbyorig);
1788  READ_NODE_FIELD(indexorderbyops);
1789  READ_ENUM_FIELD(indexorderdir, ScanDirection);
1790 
1791  READ_DONE();
1792 }
1793 
1794 /*
1795  * _readIndexOnlyScan
1796  */
1797 static IndexOnlyScan *
1799 {
1801 
1802  ReadCommonScan(&local_node->scan);
1803 
1804  READ_OID_FIELD(indexid);
1805  READ_NODE_FIELD(indexqual);
1806  READ_NODE_FIELD(indexorderby);
1807  READ_NODE_FIELD(indextlist);
1808  READ_ENUM_FIELD(indexorderdir, ScanDirection);
1809 
1810  READ_DONE();
1811 }
1812 
1813 /*
1814  * _readBitmapIndexScan
1815  */
1816 static BitmapIndexScan *
1818 {
1820 
1821  ReadCommonScan(&local_node->scan);
1822 
1823  READ_OID_FIELD(indexid);
1824  READ_BOOL_FIELD(isshared);
1825  READ_NODE_FIELD(indexqual);
1826  READ_NODE_FIELD(indexqualorig);
1827 
1828  READ_DONE();
1829 }
1830 
1831 /*
1832  * _readBitmapHeapScan
1833  */
1834 static BitmapHeapScan *
1836 {
1838 
1839  ReadCommonScan(&local_node->scan);
1840 
1841  READ_NODE_FIELD(bitmapqualorig);
1842 
1843  READ_DONE();
1844 }
1845 
1846 /*
1847  * _readTidScan
1848  */
1849 static TidScan *
1851 {
1853 
1854  ReadCommonScan(&local_node->scan);
1855 
1856  READ_NODE_FIELD(tidquals);
1857 
1858  READ_DONE();
1859 }
1860 
1861 /*
1862  * _readSubqueryScan
1863  */
1864 static SubqueryScan *
1866 {
1868 
1869  ReadCommonScan(&local_node->scan);
1870 
1871  READ_NODE_FIELD(subplan);
1872 
1873  READ_DONE();
1874 }
1875 
1876 /*
1877  * _readFunctionScan
1878  */
1879 static FunctionScan *
1881 {
1883 
1884  ReadCommonScan(&local_node->scan);
1885 
1887  READ_BOOL_FIELD(funcordinality);
1888 
1889  READ_DONE();
1890 }
1891 
1892 /*
1893  * _readValuesScan
1894  */
1895 static ValuesScan *
1897 {
1899 
1900  ReadCommonScan(&local_node->scan);
1901 
1902  READ_NODE_FIELD(values_lists);
1903 
1904  READ_DONE();
1905 }
1906 
1907 /*
1908  * _readTableFuncScan
1909  */
1910 static TableFuncScan *
1912 {
1914 
1915  ReadCommonScan(&local_node->scan);
1916 
1917  READ_NODE_FIELD(tablefunc);
1918 
1919  READ_DONE();
1920 }
1921 
1922 /*
1923  * _readCteScan
1924  */
1925 static CteScan *
1927 {
1929 
1930  ReadCommonScan(&local_node->scan);
1931 
1932  READ_INT_FIELD(ctePlanId);
1933  READ_INT_FIELD(cteParam);
1934 
1935  READ_DONE();
1936 }
1937 
1938 /*
1939  * _readNamedTuplestoreScan
1940  */
1941 static NamedTuplestoreScan *
1943 {
1945 
1946  ReadCommonScan(&local_node->scan);
1947 
1948  READ_STRING_FIELD(enrname);
1949 
1950  READ_DONE();
1951 }
1952 
1953 /*
1954  * _readWorkTableScan
1955  */
1956 static WorkTableScan *
1958 {
1960 
1961  ReadCommonScan(&local_node->scan);
1962 
1963  READ_INT_FIELD(wtParam);
1964 
1965  READ_DONE();
1966 }
1967 
1968 /*
1969  * _readForeignScan
1970  */
1971 static ForeignScan *
1973 {
1975 
1976  ReadCommonScan(&local_node->scan);
1977 
1978  READ_ENUM_FIELD(operation, CmdType);
1979  READ_OID_FIELD(fs_server);
1980  READ_NODE_FIELD(fdw_exprs);
1981  READ_NODE_FIELD(fdw_private);
1982  READ_NODE_FIELD(fdw_scan_tlist);
1983  READ_NODE_FIELD(fdw_recheck_quals);
1984  READ_BITMAPSET_FIELD(fs_relids);
1985  READ_BOOL_FIELD(fsSystemCol);
1986 
1987  READ_DONE();
1988 }
1989 
1990 /*
1991  * _readCustomScan
1992  */
1993 static CustomScan *
1995 {
1997  char *custom_name;
1998  const CustomScanMethods *methods;
1999 
2000  ReadCommonScan(&local_node->scan);
2001 
2002  READ_UINT_FIELD(flags);
2003  READ_NODE_FIELD(custom_plans);
2004  READ_NODE_FIELD(custom_exprs);
2005  READ_NODE_FIELD(custom_private);
2006  READ_NODE_FIELD(custom_scan_tlist);
2007  READ_BITMAPSET_FIELD(custom_relids);
2008 
2009  /* Lookup CustomScanMethods by CustomName */
2010  token = pg_strtok(&length); /* skip methods: */
2011  token = pg_strtok(&length); /* CustomName */
2012  custom_name = nullable_string(token, length);
2013  methods = GetCustomScanMethods(custom_name, false);
2014  local_node->methods = methods;
2015 
2016  READ_DONE();
2017 }
2018 
2019 /*
2020  * ReadCommonJoin
2021  * Assign the basic stuff of all nodes that inherit from Join
2022  */
2023 static void
2024 ReadCommonJoin(Join *local_node)
2025 {
2026  READ_TEMP_LOCALS();
2027 
2028  ReadCommonPlan(&local_node->plan);
2029 
2030  READ_ENUM_FIELD(jointype, JoinType);
2031  READ_BOOL_FIELD(inner_unique);
2032  READ_NODE_FIELD(joinqual);
2033 }
2034 
2035 /*
2036  * _readJoin
2037  */
2038 static Join *
2040 {
2042 
2043  ReadCommonJoin(local_node);
2044 
2045  READ_DONE();
2046 }
2047 
2048 /*
2049  * _readNestLoop
2050  */
2051 static NestLoop *
2053 {
2055 
2056  ReadCommonJoin(&local_node->join);
2057 
2058  READ_NODE_FIELD(nestParams);
2059 
2060  READ_DONE();
2061 }
2062 
2063 /*
2064  * _readMergeJoin
2065  */
2066 static MergeJoin *
2068 {
2069  int numCols;
2070 
2072 
2073  ReadCommonJoin(&local_node->join);
2074 
2075  READ_BOOL_FIELD(skip_mark_restore);
2076  READ_NODE_FIELD(mergeclauses);
2077 
2078  numCols = list_length(local_node->mergeclauses);
2079 
2080  READ_OID_ARRAY(mergeFamilies, numCols);
2081  READ_OID_ARRAY(mergeCollations, numCols);
2082  READ_INT_ARRAY(mergeStrategies, numCols);
2083  READ_BOOL_ARRAY(mergeNullsFirst, numCols);
2084 
2085  READ_DONE();
2086 }
2087 
2088 /*
2089  * _readHashJoin
2090  */
2091 static HashJoin *
2093 {
2095 
2096  ReadCommonJoin(&local_node->join);
2097 
2098  READ_NODE_FIELD(hashclauses);
2099  READ_NODE_FIELD(hashoperators);
2100  READ_NODE_FIELD(hashcollations);
2101  READ_NODE_FIELD(hashkeys);
2102 
2103  READ_DONE();
2104 }
2105 
2106 /*
2107  * _readMaterial
2108  */
2109 static Material *
2111 {
2113 
2114  ReadCommonPlan(&local_node->plan);
2115 
2116  READ_DONE();
2117 }
2118 
2119 /*
2120  * _readSort
2121  */
2122 static Sort *
2124 {
2125  READ_LOCALS(Sort);
2126 
2127  ReadCommonPlan(&local_node->plan);
2128 
2129  READ_INT_FIELD(numCols);
2130  READ_ATTRNUMBER_ARRAY(sortColIdx, local_node->numCols);
2131  READ_OID_ARRAY(sortOperators, local_node->numCols);
2132  READ_OID_ARRAY(collations, local_node->numCols);
2133  READ_BOOL_ARRAY(nullsFirst, local_node->numCols);
2134 
2135  READ_DONE();
2136 }
2137 
2138 /*
2139  * _readGroup
2140  */
2141 static Group *
2143 {
2144  READ_LOCALS(Group);
2145 
2146  ReadCommonPlan(&local_node->plan);
2147 
2148  READ_INT_FIELD(numCols);
2149  READ_ATTRNUMBER_ARRAY(grpColIdx, local_node->numCols);
2150  READ_OID_ARRAY(grpOperators, local_node->numCols);
2151  READ_OID_ARRAY(grpCollations, local_node->numCols);
2152 
2153  READ_DONE();
2154 }
2155 
2156 /*
2157  * _readAgg
2158  */
2159 static Agg *
2161 {
2162  READ_LOCALS(Agg);
2163 
2164  ReadCommonPlan(&local_node->plan);
2165 
2166  READ_ENUM_FIELD(aggstrategy, AggStrategy);
2167  READ_ENUM_FIELD(aggsplit, AggSplit);
2168  READ_INT_FIELD(numCols);
2169  READ_ATTRNUMBER_ARRAY(grpColIdx, local_node->numCols);
2170  READ_OID_ARRAY(grpOperators, local_node->numCols);
2171  READ_OID_ARRAY(grpCollations, local_node->numCols);
2172  READ_LONG_FIELD(numGroups);
2173  READ_BITMAPSET_FIELD(aggParams);
2174  READ_NODE_FIELD(groupingSets);
2175  READ_NODE_FIELD(chain);
2176 
2177  READ_DONE();
2178 }
2179 
2180 /*
2181  * _readWindowAgg
2182  */
2183 static WindowAgg *
2185 {
2187 
2188  ReadCommonPlan(&local_node->plan);
2189 
2190  READ_UINT_FIELD(winref);
2191  READ_INT_FIELD(partNumCols);
2192  READ_ATTRNUMBER_ARRAY(partColIdx, local_node->partNumCols);
2193  READ_OID_ARRAY(partOperators, local_node->partNumCols);
2194  READ_OID_ARRAY(partCollations, local_node->partNumCols);
2195  READ_INT_FIELD(ordNumCols);
2196  READ_ATTRNUMBER_ARRAY(ordColIdx, local_node->ordNumCols);
2197  READ_OID_ARRAY(ordOperators, local_node->ordNumCols);
2198  READ_OID_ARRAY(ordCollations, local_node->ordNumCols);
2199  READ_INT_FIELD(frameOptions);
2200  READ_NODE_FIELD(startOffset);
2201  READ_NODE_FIELD(endOffset);
2202  READ_OID_FIELD(startInRangeFunc);
2203  READ_OID_FIELD(endInRangeFunc);
2204  READ_OID_FIELD(inRangeColl);
2205  READ_BOOL_FIELD(inRangeAsc);
2206  READ_BOOL_FIELD(inRangeNullsFirst);
2207 
2208  READ_DONE();
2209 }
2210 
2211 /*
2212  * _readUnique
2213  */
2214 static Unique *
2216 {
2218 
2219  ReadCommonPlan(&local_node->plan);
2220 
2221  READ_INT_FIELD(numCols);
2222  READ_ATTRNUMBER_ARRAY(uniqColIdx, local_node->numCols);
2223  READ_OID_ARRAY(uniqOperators, local_node->numCols);
2224  READ_OID_ARRAY(uniqCollations, local_node->numCols);
2225 
2226  READ_DONE();
2227 }
2228 
2229 /*
2230  * _readGather
2231  */
2232 static Gather *
2234 {
2236 
2237  ReadCommonPlan(&local_node->plan);
2238 
2239  READ_INT_FIELD(num_workers);
2240  READ_INT_FIELD(rescan_param);
2241  READ_BOOL_FIELD(single_copy);
2242  READ_BOOL_FIELD(invisible);
2243  READ_BITMAPSET_FIELD(initParam);
2244 
2245  READ_DONE();
2246 }
2247 
2248 /*
2249  * _readGatherMerge
2250  */
2251 static GatherMerge *
2253 {
2255 
2256  ReadCommonPlan(&local_node->plan);
2257 
2258  READ_INT_FIELD(num_workers);
2259  READ_INT_FIELD(rescan_param);
2260  READ_INT_FIELD(numCols);
2261  READ_ATTRNUMBER_ARRAY(sortColIdx, local_node->numCols);
2262  READ_OID_ARRAY(sortOperators, local_node->numCols);
2263  READ_OID_ARRAY(collations, local_node->numCols);
2264  READ_BOOL_ARRAY(nullsFirst, local_node->numCols);
2265  READ_BITMAPSET_FIELD(initParam);
2266 
2267  READ_DONE();
2268 }
2269 
2270 /*
2271  * _readHash
2272  */
2273 static Hash *
2275 {
2276  READ_LOCALS(Hash);
2277 
2278  ReadCommonPlan(&local_node->plan);
2279 
2280  READ_NODE_FIELD(hashkeys);
2281  READ_OID_FIELD(skewTable);
2282  READ_INT_FIELD(skewColumn);
2283  READ_BOOL_FIELD(skewInherit);
2284  READ_FLOAT_FIELD(rows_total);
2285 
2286  READ_DONE();
2287 }
2288 
2289 /*
2290  * _readSetOp
2291  */
2292 static SetOp *
2294 {
2295  READ_LOCALS(SetOp);
2296 
2297  ReadCommonPlan(&local_node->plan);
2298 
2299  READ_ENUM_FIELD(cmd, SetOpCmd);
2300  READ_ENUM_FIELD(strategy, SetOpStrategy);
2301  READ_INT_FIELD(numCols);
2302  READ_ATTRNUMBER_ARRAY(dupColIdx, local_node->numCols);
2303  READ_OID_ARRAY(dupOperators, local_node->numCols);
2304  READ_OID_ARRAY(dupCollations, local_node->numCols);
2305  READ_INT_FIELD(flagColIdx);
2306  READ_INT_FIELD(firstFlag);
2307  READ_LONG_FIELD(numGroups);
2308 
2309  READ_DONE();
2310 }
2311 
2312 /*
2313  * _readLockRows
2314  */
2315 static LockRows *
2317 {
2319 
2320  ReadCommonPlan(&local_node->plan);
2321 
2322  READ_NODE_FIELD(rowMarks);
2323  READ_INT_FIELD(epqParam);
2324 
2325  READ_DONE();
2326 }
2327 
2328 /*
2329  * _readLimit
2330  */
2331 static Limit *
2333 {
2334  READ_LOCALS(Limit);
2335 
2336  ReadCommonPlan(&local_node->plan);
2337 
2338  READ_NODE_FIELD(limitOffset);
2339  READ_NODE_FIELD(limitCount);
2340 
2341  READ_DONE();
2342 }
2343 
2344 /*
2345  * _readNestLoopParam
2346  */
2347 static NestLoopParam *
2349 {
2351 
2352  READ_INT_FIELD(paramno);
2353  READ_NODE_FIELD(paramval);
2354 
2355  READ_DONE();
2356 }
2357 
2358 /*
2359  * _readPlanRowMark
2360  */
2361 static PlanRowMark *
2363 {
2365 
2366  READ_UINT_FIELD(rti);
2367  READ_UINT_FIELD(prti);
2368  READ_UINT_FIELD(rowmarkId);
2369  READ_ENUM_FIELD(markType, RowMarkType);
2370  READ_INT_FIELD(allMarkTypes);
2372  READ_ENUM_FIELD(waitPolicy, LockWaitPolicy);
2373  READ_BOOL_FIELD(isParent);
2374 
2375  READ_DONE();
2376 }
2377 
2378 static PartitionPruneInfo *
2380 {
2382 
2383  READ_NODE_FIELD(prune_infos);
2384  READ_BITMAPSET_FIELD(other_subplans);
2385 
2386  READ_DONE();
2387 }
2388 
2389 static PartitionedRelPruneInfo *
2391 {
2393 
2394  READ_UINT_FIELD(rtindex);
2395  READ_BITMAPSET_FIELD(present_parts);
2396  READ_INT_FIELD(nparts);
2397  READ_INT_ARRAY(subplan_map, local_node->nparts);
2398  READ_INT_ARRAY(subpart_map, local_node->nparts);
2399  READ_OID_ARRAY(relid_map, local_node->nparts);
2400  READ_NODE_FIELD(initial_pruning_steps);
2401  READ_NODE_FIELD(exec_pruning_steps);
2402  READ_BITMAPSET_FIELD(execparamids);
2403 
2404  READ_DONE();
2405 }
2406 
2407 static PartitionPruneStepOp *
2409 {
2411 
2412  READ_INT_FIELD(step.step_id);
2413  READ_INT_FIELD(opstrategy);
2414  READ_NODE_FIELD(exprs);
2415  READ_NODE_FIELD(cmpfns);
2416  READ_BITMAPSET_FIELD(nullkeys);
2417 
2418  READ_DONE();
2419 }
2420 
2423 {
2425 
2426  READ_INT_FIELD(step.step_id);
2428  READ_NODE_FIELD(source_stepids);
2429 
2430  READ_DONE();
2431 }
2432 
2433 /*
2434  * _readPlanInvalItem
2435  */
2436 static PlanInvalItem *
2438 {
2440 
2441  READ_INT_FIELD(cacheId);
2442  READ_UINT_FIELD(hashValue);
2443 
2444  READ_DONE();
2445 }
2446 
2447 /*
2448  * _readSubPlan
2449  */
2450 static SubPlan *
2452 {
2454 
2455  READ_ENUM_FIELD(subLinkType, SubLinkType);
2456  READ_NODE_FIELD(testexpr);
2457  READ_NODE_FIELD(paramIds);
2458  READ_INT_FIELD(plan_id);
2459  READ_STRING_FIELD(plan_name);
2460  READ_OID_FIELD(firstColType);
2461  READ_INT_FIELD(firstColTypmod);
2462  READ_OID_FIELD(firstColCollation);
2463  READ_BOOL_FIELD(useHashTable);
2464  READ_BOOL_FIELD(unknownEqFalse);
2465  READ_BOOL_FIELD(parallel_safe);
2466  READ_NODE_FIELD(setParam);
2467  READ_NODE_FIELD(parParam);
2469  READ_FLOAT_FIELD(startup_cost);
2470  READ_FLOAT_FIELD(per_call_cost);
2471 
2472  READ_DONE();
2473 }
2474 
2475 /*
2476  * _readAlternativeSubPlan
2477  */
2478 static AlternativeSubPlan *
2480 {
2482 
2483  READ_NODE_FIELD(subplans);
2484 
2485  READ_DONE();
2486 }
2487 
2488 /*
2489  * _readExtensibleNode
2490  */
2491 static ExtensibleNode *
2493 {
2494  const ExtensibleNodeMethods *methods;
2495  ExtensibleNode *local_node;
2496  const char *extnodename;
2497 
2498  READ_TEMP_LOCALS();
2499 
2500  token = pg_strtok(&length); /* skip :extnodename */
2501  token = pg_strtok(&length); /* get extnodename */
2502 
2503  extnodename = nullable_string(token, length);
2504  if (!extnodename)
2505  elog(ERROR, "extnodename has to be supplied");
2506  methods = GetExtensibleNodeMethods(extnodename, false);
2507 
2508  local_node = (ExtensibleNode *) newNode(methods->node_size,
2510  local_node->extnodename = extnodename;
2511 
2512  /* deserialize the private fields */
2513  methods->nodeRead(local_node);
2514 
2515  READ_DONE();
2516 }
2517 
2518 /*
2519  * _readPartitionBoundSpec
2520  */
2521 static PartitionBoundSpec *
2523 {
2525 
2526  READ_CHAR_FIELD(strategy);
2527  READ_BOOL_FIELD(is_default);
2528  READ_INT_FIELD(modulus);
2529  READ_INT_FIELD(remainder);
2530  READ_NODE_FIELD(listdatums);
2531  READ_NODE_FIELD(lowerdatums);
2532  READ_NODE_FIELD(upperdatums);
2533  READ_LOCATION_FIELD(location);
2534 
2535  READ_DONE();
2536 }
2537 
2538 /*
2539  * _readPartitionRangeDatum
2540  */
2541 static PartitionRangeDatum *
2543 {
2545 
2548  READ_LOCATION_FIELD(location);
2549 
2550  READ_DONE();
2551 }
2552 
2553 /*
2554  * parseNodeString
2555  *
2556  * Given a character string representing a node tree, parseNodeString creates
2557  * the internal node structure.
2558  *
2559  * The string to be read must already have been loaded into pg_strtok().
2560  */
2561 Node *
2563 {
2564  void *return_value;
2565 
2566  READ_TEMP_LOCALS();
2567 
2568  /* Guard against stack overflow due to overly complex expressions */
2570 
2571  token = pg_strtok(&length);
2572 
2573 #define MATCH(tokname, namelen) \
2574  (length == namelen && memcmp(token, tokname, namelen) == 0)
2575 
2576  if (MATCH("QUERY", 5))
2577  return_value = _readQuery();
2578  else if (MATCH("WITHCHECKOPTION", 15))
2579  return_value = _readWithCheckOption();
2580  else if (MATCH("SORTGROUPCLAUSE", 15))
2581  return_value = _readSortGroupClause();
2582  else if (MATCH("GROUPINGSET", 11))
2583  return_value = _readGroupingSet();
2584  else if (MATCH("WINDOWCLAUSE", 12))
2585  return_value = _readWindowClause();
2586  else if (MATCH("ROWMARKCLAUSE", 13))
2587  return_value = _readRowMarkClause();
2588  else if (MATCH("COMMONTABLEEXPR", 15))
2589  return_value = _readCommonTableExpr();
2590  else if (MATCH("SETOPERATIONSTMT", 16))
2591  return_value = _readSetOperationStmt();
2592  else if (MATCH("ALIAS", 5))
2593  return_value = _readAlias();
2594  else if (MATCH("RANGEVAR", 8))
2595  return_value = _readRangeVar();
2596  else if (MATCH("INTOCLAUSE", 10))
2597  return_value = _readIntoClause();
2598  else if (MATCH("TABLEFUNC", 9))
2599  return_value = _readTableFunc();
2600  else if (MATCH("VAR", 3))
2601  return_value = _readVar();
2602  else if (MATCH("CONST", 5))
2603  return_value = _readConst();
2604  else if (MATCH("PARAM", 5))
2605  return_value = _readParam();
2606  else if (MATCH("AGGREF", 6))
2607  return_value = _readAggref();
2608  else if (MATCH("GROUPINGFUNC", 12))
2609  return_value = _readGroupingFunc();
2610  else if (MATCH("WINDOWFUNC", 10))
2611  return_value = _readWindowFunc();
2612  else if (MATCH("SUBSCRIPTINGREF", 15))
2613  return_value = _readSubscriptingRef();
2614  else if (MATCH("FUNCEXPR", 8))
2615  return_value = _readFuncExpr();
2616  else if (MATCH("NAMEDARGEXPR", 12))
2617  return_value = _readNamedArgExpr();
2618  else if (MATCH("OPEXPR", 6))
2619  return_value = _readOpExpr();
2620  else if (MATCH("DISTINCTEXPR", 12))
2621  return_value = _readDistinctExpr();
2622  else if (MATCH("NULLIFEXPR", 10))
2623  return_value = _readNullIfExpr();
2624  else if (MATCH("SCALARARRAYOPEXPR", 17))
2625  return_value = _readScalarArrayOpExpr();
2626  else if (MATCH("BOOLEXPR", 8))
2627  return_value = _readBoolExpr();
2628  else if (MATCH("SUBLINK", 7))
2629  return_value = _readSubLink();
2630  else if (MATCH("FIELDSELECT", 11))
2631  return_value = _readFieldSelect();
2632  else if (MATCH("FIELDSTORE", 10))
2633  return_value = _readFieldStore();
2634  else if (MATCH("RELABELTYPE", 11))
2635  return_value = _readRelabelType();
2636  else if (MATCH("COERCEVIAIO", 11))
2637  return_value = _readCoerceViaIO();
2638  else if (MATCH("ARRAYCOERCEEXPR", 15))
2639  return_value = _readArrayCoerceExpr();
2640  else if (MATCH("CONVERTROWTYPEEXPR", 18))
2641  return_value = _readConvertRowtypeExpr();
2642  else if (MATCH("COLLATE", 7))
2643  return_value = _readCollateExpr();
2644  else if (MATCH("CASE", 4))
2645  return_value = _readCaseExpr();
2646  else if (MATCH("WHEN", 4))
2647  return_value = _readCaseWhen();
2648  else if (MATCH("CASETESTEXPR", 12))
2649  return_value = _readCaseTestExpr();
2650  else if (MATCH("ARRAY", 5))
2651  return_value = _readArrayExpr();
2652  else if (MATCH("ROW", 3))
2653  return_value = _readRowExpr();
2654  else if (MATCH("ROWCOMPARE", 10))
2655  return_value = _readRowCompareExpr();
2656  else if (MATCH("COALESCE", 8))
2657  return_value = _readCoalesceExpr();
2658  else if (MATCH("MINMAX", 6))
2659  return_value = _readMinMaxExpr();
2660  else if (MATCH("SQLVALUEFUNCTION", 16))
2661  return_value = _readSQLValueFunction();
2662  else if (MATCH("XMLEXPR", 7))
2663  return_value = _readXmlExpr();
2664  else if (MATCH("NULLTEST", 8))
2665  return_value = _readNullTest();
2666  else if (MATCH("BOOLEANTEST", 11))
2667  return_value = _readBooleanTest();
2668  else if (MATCH("COERCETODOMAIN", 14))
2669  return_value = _readCoerceToDomain();
2670  else if (MATCH("COERCETODOMAINVALUE", 19))
2671  return_value = _readCoerceToDomainValue();
2672  else if (MATCH("SETTODEFAULT", 12))
2673  return_value = _readSetToDefault();
2674  else if (MATCH("CURRENTOFEXPR", 13))
2675  return_value = _readCurrentOfExpr();
2676  else if (MATCH("NEXTVALUEEXPR", 13))
2677  return_value = _readNextValueExpr();
2678  else if (MATCH("INFERENCEELEM", 13))
2679  return_value = _readInferenceElem();
2680  else if (MATCH("TARGETENTRY", 11))
2681  return_value = _readTargetEntry();
2682  else if (MATCH("RANGETBLREF", 11))
2683  return_value = _readRangeTblRef();
2684  else if (MATCH("JOINEXPR", 8))
2685  return_value = _readJoinExpr();
2686  else if (MATCH("FROMEXPR", 8))
2687  return_value = _readFromExpr();
2688  else if (MATCH("ONCONFLICTEXPR", 14))
2689  return_value = _readOnConflictExpr();
2690  else if (MATCH("RTE", 3))
2691  return_value = _readRangeTblEntry();
2692  else if (MATCH("RANGETBLFUNCTION", 16))
2693  return_value = _readRangeTblFunction();
2694  else if (MATCH("TABLESAMPLECLAUSE", 17))
2695  return_value = _readTableSampleClause();
2696  else if (MATCH("NOTIFY", 6))
2697  return_value = _readNotifyStmt();
2698  else if (MATCH("DEFELEM", 7))
2699  return_value = _readDefElem();
2700  else if (MATCH("DECLARECURSOR", 13))
2701  return_value = _readDeclareCursorStmt();
2702  else if (MATCH("PLANNEDSTMT", 11))
2703  return_value = _readPlannedStmt();
2704  else if (MATCH("PLAN", 4))
2705  return_value = _readPlan();
2706  else if (MATCH("RESULT", 6))
2707  return_value = _readResult();
2708  else if (MATCH("PROJECTSET", 10))
2709  return_value = _readProjectSet();
2710  else if (MATCH("MODIFYTABLE", 11))
2711  return_value = _readModifyTable();
2712  else if (MATCH("APPEND", 6))
2713  return_value = _readAppend();
2714  else if (MATCH("MERGEAPPEND", 11))
2715  return_value = _readMergeAppend();
2716  else if (MATCH("RECURSIVEUNION", 14))
2717  return_value = _readRecursiveUnion();
2718  else if (MATCH("BITMAPAND", 9))
2719  return_value = _readBitmapAnd();
2720  else if (MATCH("BITMAPOR", 8))
2721  return_value = _readBitmapOr();
2722  else if (MATCH("SCAN", 4))
2723  return_value = _readScan();
2724  else if (MATCH("SEQSCAN", 7))
2725  return_value = _readSeqScan();
2726  else if (MATCH("SAMPLESCAN", 10))
2727  return_value = _readSampleScan();
2728  else if (MATCH("INDEXSCAN", 9))
2729  return_value = _readIndexScan();
2730  else if (MATCH("INDEXONLYSCAN", 13))
2731  return_value = _readIndexOnlyScan();
2732  else if (MATCH("BITMAPINDEXSCAN", 15))
2733  return_value = _readBitmapIndexScan();
2734  else if (MATCH("BITMAPHEAPSCAN", 14))
2735  return_value = _readBitmapHeapScan();
2736  else if (MATCH("TIDSCAN", 7))
2737  return_value = _readTidScan();
2738  else if (MATCH("SUBQUERYSCAN", 12))
2739  return_value = _readSubqueryScan();
2740  else if (MATCH("FUNCTIONSCAN", 12))
2741  return_value = _readFunctionScan();
2742  else if (MATCH("VALUESSCAN", 10))
2743  return_value = _readValuesScan();
2744  else if (MATCH("TABLEFUNCSCAN", 13))
2745  return_value = _readTableFuncScan();
2746  else if (MATCH("CTESCAN", 7))
2747  return_value = _readCteScan();
2748  else if (MATCH("NAMEDTUPLESTORESCAN", 19))
2749  return_value = _readNamedTuplestoreScan();
2750  else if (MATCH("WORKTABLESCAN", 13))
2751  return_value = _readWorkTableScan();
2752  else if (MATCH("FOREIGNSCAN", 11))
2753  return_value = _readForeignScan();
2754  else if (MATCH("CUSTOMSCAN", 10))
2755  return_value = _readCustomScan();
2756  else if (MATCH("JOIN", 4))
2757  return_value = _readJoin();
2758  else if (MATCH("NESTLOOP", 8))
2759  return_value = _readNestLoop();
2760  else if (MATCH("MERGEJOIN", 9))
2761  return_value = _readMergeJoin();
2762  else if (MATCH("HASHJOIN", 8))
2763  return_value = _readHashJoin();
2764  else if (MATCH("MATERIAL", 8))
2765  return_value = _readMaterial();
2766  else if (MATCH("SORT", 4))
2767  return_value = _readSort();
2768  else if (MATCH("GROUP", 5))
2769  return_value = _readGroup();
2770  else if (MATCH("AGG", 3))
2771  return_value = _readAgg();
2772  else if (MATCH("WINDOWAGG", 9))
2773  return_value = _readWindowAgg();
2774  else if (MATCH("UNIQUE", 6))
2775  return_value = _readUnique();
2776  else if (MATCH("GATHER", 6))
2777  return_value = _readGather();
2778  else if (MATCH("GATHERMERGE", 11))
2779  return_value = _readGatherMerge();
2780  else if (MATCH("HASH", 4))
2781  return_value = _readHash();
2782  else if (MATCH("SETOP", 5))
2783  return_value = _readSetOp();
2784  else if (MATCH("LOCKROWS", 8))
2785  return_value = _readLockRows();
2786  else if (MATCH("LIMIT", 5))
2787  return_value = _readLimit();
2788  else if (MATCH("NESTLOOPPARAM", 13))
2789  return_value = _readNestLoopParam();
2790  else if (MATCH("PLANROWMARK", 11))
2791  return_value = _readPlanRowMark();
2792  else if (MATCH("PARTITIONPRUNEINFO", 18))
2793  return_value = _readPartitionPruneInfo();
2794  else if (MATCH("PARTITIONEDRELPRUNEINFO", 23))
2795  return_value = _readPartitionedRelPruneInfo();
2796  else if (MATCH("PARTITIONPRUNESTEPOP", 20))
2797  return_value = _readPartitionPruneStepOp();
2798  else if (MATCH("PARTITIONPRUNESTEPCOMBINE", 25))
2799  return_value = _readPartitionPruneStepCombine();
2800  else if (MATCH("PLANINVALITEM", 13))
2801  return_value = _readPlanInvalItem();
2802  else if (MATCH("SUBPLAN", 7))
2803  return_value = _readSubPlan();
2804  else if (MATCH("ALTERNATIVESUBPLAN", 18))
2805  return_value = _readAlternativeSubPlan();
2806  else if (MATCH("EXTENSIBLENODE", 14))
2807  return_value = _readExtensibleNode();
2808  else if (MATCH("PARTITIONBOUNDSPEC", 18))
2809  return_value = _readPartitionBoundSpec();
2810  else if (MATCH("PARTITIONRANGEDATUM", 19))
2811  return_value = _readPartitionRangeDatum();
2812  else
2813  {
2814  elog(ERROR, "badly formatted node string \"%.32s\"...", token);
2815  return_value = NULL; /* keep compiler quiet */
2816  }
2817 
2818  return (Node *) return_value;
2819 }
2820 
2821 
2822 /*
2823  * readDatum
2824  *
2825  * Given a string representation of a constant, recreate the appropriate
2826  * Datum. The string representation embeds length info, but not byValue,
2827  * so we must be told that.
2828  */
2829 Datum
2830 readDatum(bool typbyval)
2831 {
2832  Size length,
2833  i;
2834  int tokenLength;
2835  const char *token;
2836  Datum res;
2837  char *s;
2838 
2839  /*
2840  * read the actual length of the value
2841  */
2842  token = pg_strtok(&tokenLength);
2843  length = atoui(token);
2844 
2845  token = pg_strtok(&tokenLength); /* read the '[' */
2846  if (token == NULL || token[0] != '[')
2847  elog(ERROR, "expected \"[\" to start datum, but got \"%s\"; length = %zu",
2848  token ? token : "[NULL]", length);
2849 
2850  if (typbyval)
2851  {
2852  if (length > (Size) sizeof(Datum))
2853  elog(ERROR, "byval datum but length = %zu", length);
2854  res = (Datum) 0;
2855  s = (char *) (&res);
2856  for (i = 0; i < (Size) sizeof(Datum); i++)
2857  {
2858  token = pg_strtok(&tokenLength);
2859  s[i] = (char) atoi(token);
2860  }
2861  }
2862  else if (length <= 0)
2863  res = (Datum) NULL;
2864  else
2865  {
2866  s = (char *) palloc(length);
2867  for (i = 0; i < length; i++)
2868  {
2869  token = pg_strtok(&tokenLength);
2870  s[i] = (char) atoi(token);
2871  }
2872  res = PointerGetDatum(s);
2873  }
2874 
2875  token = pg_strtok(&tokenLength); /* read the ']' */
2876  if (token == NULL || token[0] != ']')
2877  elog(ERROR, "expected \"]\" to end datum, but got \"%s\"; length = %zu",
2878  token ? token : "[NULL]", length);
2879 
2880  return res;
2881 }
2882 
2883 /*
2884  * readAttrNumberCols
2885  */
2886 AttrNumber *
2888 {
2889  int tokenLength,
2890  i;
2891  const char *token;
2892  AttrNumber *attr_vals;
2893 
2894  if (numCols <= 0)
2895  return NULL;
2896 
2897  attr_vals = (AttrNumber *) palloc(numCols * sizeof(AttrNumber));
2898  for (i = 0; i < numCols; i++)
2899  {
2900  token = pg_strtok(&tokenLength);
2901  attr_vals[i] = atoi(token);
2902  }
2903 
2904  return attr_vals;
2905 }
2906 
2907 /*
2908  * readOidCols
2909  */
2910 Oid *
2911 readOidCols(int numCols)
2912 {
2913  int tokenLength,
2914  i;
2915  const char *token;
2916  Oid *oid_vals;
2917 
2918  if (numCols <= 0)
2919  return NULL;
2920 
2921  oid_vals = (Oid *) palloc(numCols * sizeof(Oid));
2922  for (i = 0; i < numCols; i++)
2923  {
2924  token = pg_strtok(&tokenLength);
2925  oid_vals[i] = atooid(token);
2926  }
2927 
2928  return oid_vals;
2929 }
2930 
2931 /*
2932  * readIntCols
2933  */
2934 int *
2935 readIntCols(int numCols)
2936 {
2937  int tokenLength,
2938  i;
2939  const char *token;
2940  int *int_vals;
2941 
2942  if (numCols <= 0)
2943  return NULL;
2944 
2945  int_vals = (int *) palloc(numCols * sizeof(int));
2946  for (i = 0; i < numCols; i++)
2947  {
2948  token = pg_strtok(&tokenLength);
2949  int_vals[i] = atoi(token);
2950  }
2951 
2952  return int_vals;
2953 }
2954 
2955 /*
2956  * readBoolCols
2957  */
2958 bool *
2959 readBoolCols(int numCols)
2960 {
2961  int tokenLength,
2962  i;
2963  const char *token;
2964  bool *bool_vals;
2965 
2966  if (numCols <= 0)
2967  return NULL;
2968 
2969  bool_vals = (bool *) palloc(numCols * sizeof(bool));
2970  for (i = 0; i < numCols; i++)
2971  {
2972  token = pg_strtok(&tokenLength);
2973  bool_vals[i] = strtobool(token);
2974  }
2975 
2976  return bool_vals;
2977 }
static NullTest * _readNullTest(void)
Definition: readfuncs.c:1138
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void * arg
static CommonTableExpr * _readCommonTableExpr(void)
Definition: readfuncs.c:415
static ArrayExpr * _readArrayExpr(void)
Definition: readfuncs.c:1014
GroupingSetKind
Definition: parsenodes.h:1291
const char * pg_strtok(int *length)
Definition: read.c:152
#define READ_STRING_FIELD(fldname)
Definition: readfuncs.c:123
#define READ_DONE()
Definition: readfuncs.c:175
#define READ_INT_FIELD(fldname)
Definition: readfuncs.c:68
Definition: plannodes.h:802
static RangeTblFunction * _readRangeTblFunction(void)
Definition: readfuncs.c:1443
static BooleanTest * _readBooleanTest(void)
Definition: readfuncs.c:1154
static Plan * _readPlan(void)
Definition: readfuncs.c:1557
static XmlExpr * _readXmlExpr(void)
Definition: readfuncs.c:1117
#define READ_ATTRNUMBER_ARRAY(fldname, len)
Definition: readfuncs.c:155
CoercionForm
Definition: primnodes.h:442
static TableFunc * _readTableFunc(void)
Definition: readfuncs.c:491
#define READ_INT_ARRAY(fldname, len)
Definition: readfuncs.c:165
const CustomScanMethods * GetCustomScanMethods(const char *CustomName, bool missing_ok)
Definition: extensible.c:137
static TableSampleClause * _readTableSampleClause(void)
Definition: readfuncs.c:1462
static NestLoopParam * _readNestLoopParam(void)
Definition: readfuncs.c:2348
static ProjectSet * _readProjectSet(void)
Definition: readfuncs.c:1585
OnConflictAction
Definition: nodes.h:817
static BitmapHeapScan * _readBitmapHeapScan(void)
Definition: readfuncs.c:1835
int16 AttrNumber
Definition: attnum.h:21
LockWaitPolicy
Definition: lockoptions.h:36
long val
Definition: informix.c:684
static Bitmapset * _readBitmapset(void)
Definition: readfuncs.c:197
CmdType
Definition: nodes.h:667
static Join * _readJoin(void)
Definition: readfuncs.c:2039
static Sort * _readSort(void)
Definition: readfuncs.c:2123
static CoerceViaIO * _readCoerceViaIO(void)
Definition: readfuncs.c:899
static Group * _readGroup(void)
Definition: readfuncs.c:2142
static GroupingSet * _readGroupingSet(void)
Definition: readfuncs.c:358
static WorkTableScan * _readWorkTableScan(void)
Definition: readfuncs.c:1957
const ExtensibleNodeMethods * GetExtensibleNodeMethods(const char *extnodename, bool missing_ok)
Definition: extensible.c:125
#define nullable_string(token, length)
Definition: readfuncs.c:189
Plan plan
Definition: plannodes.h:679
OverridingKind
Definition: parsenodes.h:32