PostgreSQL Source Code  git master
gininsert.c
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1 /*-------------------------------------------------------------------------
2  *
3  * gininsert.c
4  * insert routines for the postgres inverted index access method.
5  *
6  *
7  * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * IDENTIFICATION
11  * src/backend/access/gin/gininsert.c
12  *-------------------------------------------------------------------------
13  */
14 
15 #include "postgres.h"
16 
17 #include "access/gin_private.h"
18 #include "access/ginxlog.h"
19 #include "access/tableam.h"
20 #include "access/xloginsert.h"
21 #include "catalog/index.h"
22 #include "miscadmin.h"
23 #include "storage/bufmgr.h"
24 #include "storage/indexfsm.h"
25 #include "storage/predicate.h"
26 #include "storage/smgr.h"
27 #include "utils/memutils.h"
28 #include "utils/rel.h"
29 
30 typedef struct
31 {
33  double indtuples;
39 
40 
41 /*
42  * Adds array of item pointers to tuple's posting list, or
43  * creates posting tree and tuple pointing to tree in case
44  * of not enough space. Max size of tuple is defined in
45  * GinFormTuple(). Returns a new, modified index tuple.
46  * items[] must be in sorted order with no duplicates.
47  */
48 static IndexTuple
50  IndexTuple old,
51  ItemPointerData *items, uint32 nitem,
52  GinStatsData *buildStats, Buffer buffer)
53 {
55  Datum key;
56  GinNullCategory category;
58  ItemPointerData *newItems,
59  *oldItems;
60  int oldNPosting,
61  newNPosting;
62  GinPostingList *compressedList;
63 
64  Assert(!GinIsPostingTree(old));
65 
66  attnum = gintuple_get_attrnum(ginstate, old);
67  key = gintuple_get_key(ginstate, old, &category);
68 
69  /* merge the old and new posting lists */
70  oldItems = ginReadTuple(ginstate, attnum, old, &oldNPosting);
71 
72  newItems = ginMergeItemPointers(items, nitem,
73  oldItems, oldNPosting,
74  &newNPosting);
75 
76  /* Compress the posting list, and try to a build tuple with room for it */
77  res = NULL;
78  compressedList = ginCompressPostingList(newItems, newNPosting, GinMaxItemSize,
79  NULL);
80  pfree(newItems);
81  if (compressedList)
82  {
83  res = GinFormTuple(ginstate, attnum, key, category,
84  (char *) compressedList,
85  SizeOfGinPostingList(compressedList),
86  newNPosting,
87  false);
88  pfree(compressedList);
89  }
90  if (!res)
91  {
92  /* posting list would be too big, convert to posting tree */
93  BlockNumber postingRoot;
94 
95  /*
96  * Initialize posting tree with the old tuple's posting list. It's
97  * surely small enough to fit on one posting-tree page, and should
98  * already be in order with no duplicates.
99  */
100  postingRoot = createPostingTree(ginstate->index,
101  oldItems,
102  oldNPosting,
103  buildStats,
104  buffer);
105 
106  /* Now insert the TIDs-to-be-added into the posting tree */
107  ginInsertItemPointers(ginstate->index, postingRoot,
108  items, nitem,
109  buildStats);
110 
111  /* And build a new posting-tree-only result tuple */
112  res = GinFormTuple(ginstate, attnum, key, category, NULL, 0, 0, true);
113  GinSetPostingTree(res, postingRoot);
114  }
115  pfree(oldItems);
116 
117  return res;
118 }
119 
120 /*
121  * Build a fresh leaf tuple, either posting-list or posting-tree format
122  * depending on whether the given items list will fit.
123  * items[] must be in sorted order with no duplicates.
124  *
125  * This is basically the same logic as in addItemPointersToLeafTuple,
126  * but working from slightly different input.
127  */
128 static IndexTuple
131  ItemPointerData *items, uint32 nitem,
132  GinStatsData *buildStats, Buffer buffer)
133 {
134  IndexTuple res = NULL;
135  GinPostingList *compressedList;
136 
137  /* try to build a posting list tuple with all the items */
138  compressedList = ginCompressPostingList(items, nitem, GinMaxItemSize, NULL);
139  if (compressedList)
140  {
141  res = GinFormTuple(ginstate, attnum, key, category,
142  (char *) compressedList,
143  SizeOfGinPostingList(compressedList),
144  nitem, false);
145  pfree(compressedList);
146  }
147  if (!res)
148  {
149  /* posting list would be too big, build posting tree */
150  BlockNumber postingRoot;
151 
152  /*
153  * Build posting-tree-only result tuple. We do this first so as to
154  * fail quickly if the key is too big.
155  */
156  res = GinFormTuple(ginstate, attnum, key, category, NULL, 0, 0, true);
157 
158  /*
159  * Initialize a new posting tree with the TIDs.
160  */
161  postingRoot = createPostingTree(ginstate->index, items, nitem,
162  buildStats, buffer);
163 
164  /* And save the root link in the result tuple */
165  GinSetPostingTree(res, postingRoot);
166  }
167 
168  return res;
169 }
170 
171 /*
172  * Insert one or more heap TIDs associated with the given key value.
173  * This will either add a single key entry, or enlarge a pre-existing entry.
174  *
175  * During an index build, buildStats is non-null and the counters
176  * it contains should be incremented as needed.
177  */
178 void
181  ItemPointerData *items, uint32 nitem,
182  GinStatsData *buildStats)
183 {
184  GinBtreeData btree;
185  GinBtreeEntryInsertData insertdata;
186  GinBtreeStack *stack;
187  IndexTuple itup;
188  Page page;
189 
190  insertdata.isDelete = false;
191 
192  ginPrepareEntryScan(&btree, attnum, key, category, ginstate);
193  btree.isBuild = (buildStats != NULL);
194 
195  stack = ginFindLeafPage(&btree, false, false);
196  page = BufferGetPage(stack->buffer);
197 
198  if (btree.findItem(&btree, stack))
199  {
200  /* found pre-existing entry */
201  itup = (IndexTuple) PageGetItem(page, PageGetItemId(page, stack->off));
202 
203  if (GinIsPostingTree(itup))
204  {
205  /* add entries to existing posting tree */
206  BlockNumber rootPostingTree = GinGetPostingTree(itup);
207 
208  /* release all stack */
209  LockBuffer(stack->buffer, GIN_UNLOCK);
210  freeGinBtreeStack(stack);
211 
212  /* insert into posting tree */
213  ginInsertItemPointers(ginstate->index, rootPostingTree,
214  items, nitem,
215  buildStats);
216  return;
217  }
218 
219  CheckForSerializableConflictIn(ginstate->index, NULL,
220  BufferGetBlockNumber(stack->buffer));
221  /* modify an existing leaf entry */
222  itup = addItemPointersToLeafTuple(ginstate, itup,
223  items, nitem, buildStats, stack->buffer);
224 
225  insertdata.isDelete = true;
226  }
227  else
228  {
229  CheckForSerializableConflictIn(ginstate->index, NULL,
230  BufferGetBlockNumber(stack->buffer));
231  /* no match, so construct a new leaf entry */
232  itup = buildFreshLeafTuple(ginstate, attnum, key, category,
233  items, nitem, buildStats, stack->buffer);
234 
235  /*
236  * nEntries counts leaf tuples, so increment it only when we make a
237  * new one.
238  */
239  if (buildStats)
240  buildStats->nEntries++;
241  }
242 
243  /* Insert the new or modified leaf tuple */
244  insertdata.entry = itup;
245  ginInsertValue(&btree, stack, &insertdata, buildStats);
246  pfree(itup);
247 }
248 
249 /*
250  * Extract index entries for a single indexable item, and add them to the
251  * BuildAccumulator's state.
252  *
253  * This function is used only during initial index creation.
254  */
255 static void
257  Datum value, bool isNull,
258  ItemPointer heapptr)
259 {
260  Datum *entries;
261  GinNullCategory *categories;
262  int32 nentries;
263  MemoryContext oldCtx;
264 
265  oldCtx = MemoryContextSwitchTo(buildstate->funcCtx);
266  entries = ginExtractEntries(buildstate->accum.ginstate, attnum,
267  value, isNull,
268  &nentries, &categories);
269  MemoryContextSwitchTo(oldCtx);
270 
271  ginInsertBAEntries(&buildstate->accum, heapptr, attnum,
272  entries, categories, nentries);
273 
274  buildstate->indtuples += nentries;
275 
276  MemoryContextReset(buildstate->funcCtx);
277 }
278 
279 static void
281  bool *isnull, bool tupleIsAlive, void *state)
282 {
283  GinBuildState *buildstate = (GinBuildState *) state;
284  MemoryContext oldCtx;
285  int i;
286 
287  oldCtx = MemoryContextSwitchTo(buildstate->tmpCtx);
288 
289  for (i = 0; i < buildstate->ginstate.origTupdesc->natts; i++)
290  ginHeapTupleBulkInsert(buildstate, (OffsetNumber) (i + 1),
291  values[i], isnull[i], tid);
292 
293  /* If we've maxed out our available memory, dump everything to the index */
294  if (buildstate->accum.allocatedMemory >= (Size) maintenance_work_mem * 1024L)
295  {
297  Datum key;
298  GinNullCategory category;
299  uint32 nlist;
301 
302  ginBeginBAScan(&buildstate->accum);
303  while ((list = ginGetBAEntry(&buildstate->accum,
304  &attnum, &key, &category, &nlist)) != NULL)
305  {
306  /* there could be many entries, so be willing to abort here */
308  ginEntryInsert(&buildstate->ginstate, attnum, key, category,
309  list, nlist, &buildstate->buildStats);
310  }
311 
312  MemoryContextReset(buildstate->tmpCtx);
313  ginInitBA(&buildstate->accum);
314  }
315 
316  MemoryContextSwitchTo(oldCtx);
317 }
318 
321 {
322  IndexBuildResult *result;
323  double reltuples;
324  GinBuildState buildstate;
325  Buffer RootBuffer,
326  MetaBuffer;
328  Datum key;
329  GinNullCategory category;
330  uint32 nlist;
331  MemoryContext oldCtx;
333 
335  elog(ERROR, "index \"%s\" already contains data",
337 
338  initGinState(&buildstate.ginstate, index);
339  buildstate.indtuples = 0;
340  memset(&buildstate.buildStats, 0, sizeof(GinStatsData));
341 
342  /* initialize the meta page */
343  MetaBuffer = GinNewBuffer(index);
344 
345  /* initialize the root page */
346  RootBuffer = GinNewBuffer(index);
347 
349  GinInitMetabuffer(MetaBuffer);
350  MarkBufferDirty(MetaBuffer);
351  GinInitBuffer(RootBuffer, GIN_LEAF);
352  MarkBufferDirty(RootBuffer);
353 
354 
355  UnlockReleaseBuffer(MetaBuffer);
356  UnlockReleaseBuffer(RootBuffer);
358 
359  /* count the root as first entry page */
360  buildstate.buildStats.nEntryPages++;
361 
362  /*
363  * create a temporary memory context that is used to hold data not yet
364  * dumped out to the index
365  */
367  "Gin build temporary context",
369 
370  /*
371  * create a temporary memory context that is used for calling
372  * ginExtractEntries(), and can be reset after each tuple
373  */
375  "Gin build temporary context for user-defined function",
377 
378  buildstate.accum.ginstate = &buildstate.ginstate;
379  ginInitBA(&buildstate.accum);
380 
381  /*
382  * Do the heap scan. We disallow sync scan here because dataPlaceToPage
383  * prefers to receive tuples in TID order.
384  */
385  reltuples = table_index_build_scan(heap, index, indexInfo, false, true,
386  ginBuildCallback, (void *) &buildstate,
387  NULL);
388 
389  /* dump remaining entries to the index */
390  oldCtx = MemoryContextSwitchTo(buildstate.tmpCtx);
391  ginBeginBAScan(&buildstate.accum);
392  while ((list = ginGetBAEntry(&buildstate.accum,
393  &attnum, &key, &category, &nlist)) != NULL)
394  {
395  /* there could be many entries, so be willing to abort here */
397  ginEntryInsert(&buildstate.ginstate, attnum, key, category,
398  list, nlist, &buildstate.buildStats);
399  }
400  MemoryContextSwitchTo(oldCtx);
401 
402  MemoryContextDelete(buildstate.funcCtx);
403  MemoryContextDelete(buildstate.tmpCtx);
404 
405  /*
406  * Update metapage stats
407  */
409  ginUpdateStats(index, &buildstate.buildStats, true);
410 
411  /*
412  * We didn't write WAL records as we built the index, so if WAL-logging is
413  * required, write all pages to the WAL now.
414  */
415  if (RelationNeedsWAL(index))
416  {
419  true);
420  }
421 
422  /*
423  * Return statistics
424  */
425  result = (IndexBuildResult *) palloc(sizeof(IndexBuildResult));
426 
427  result->heap_tuples = reltuples;
428  result->index_tuples = buildstate.indtuples;
429 
430  return result;
431 }
432 
433 /*
434  * ginbuildempty() -- build an empty gin index in the initialization fork
435  */
436 void
438 {
439  Buffer RootBuffer,
440  MetaBuffer;
441 
442  /* An empty GIN index has two pages. */
443  MetaBuffer = ExtendBufferedRel(BMR_REL(index), INIT_FORKNUM, NULL,
445  RootBuffer = ExtendBufferedRel(BMR_REL(index), INIT_FORKNUM, NULL,
447 
448  /* Initialize and xlog metabuffer and root buffer. */
450  GinInitMetabuffer(MetaBuffer);
451  MarkBufferDirty(MetaBuffer);
452  log_newpage_buffer(MetaBuffer, true);
453  GinInitBuffer(RootBuffer, GIN_LEAF);
454  MarkBufferDirty(RootBuffer);
455  log_newpage_buffer(RootBuffer, false);
457 
458  /* Unlock and release the buffers. */
459  UnlockReleaseBuffer(MetaBuffer);
460  UnlockReleaseBuffer(RootBuffer);
461 }
462 
463 /*
464  * Insert index entries for a single indexable item during "normal"
465  * (non-fast-update) insertion
466  */
467 static void
469  Datum value, bool isNull,
470  ItemPointer item)
471 {
472  Datum *entries;
473  GinNullCategory *categories;
474  int32 i,
475  nentries;
476 
477  entries = ginExtractEntries(ginstate, attnum, value, isNull,
478  &nentries, &categories);
479 
480  for (i = 0; i < nentries; i++)
481  ginEntryInsert(ginstate, attnum, entries[i], categories[i],
482  item, 1, NULL);
483 }
484 
485 bool
487  ItemPointer ht_ctid, Relation heapRel,
488  IndexUniqueCheck checkUnique,
489  bool indexUnchanged,
490  IndexInfo *indexInfo)
491 {
492  GinState *ginstate = (GinState *) indexInfo->ii_AmCache;
493  MemoryContext oldCtx;
494  MemoryContext insertCtx;
495  int i;
496 
497  /* Initialize GinState cache if first call in this statement */
498  if (ginstate == NULL)
499  {
500  oldCtx = MemoryContextSwitchTo(indexInfo->ii_Context);
501  ginstate = (GinState *) palloc(sizeof(GinState));
502  initGinState(ginstate, index);
503  indexInfo->ii_AmCache = (void *) ginstate;
504  MemoryContextSwitchTo(oldCtx);
505  }
506 
508  "Gin insert temporary context",
510 
511  oldCtx = MemoryContextSwitchTo(insertCtx);
512 
514  {
515  GinTupleCollector collector;
516 
517  memset(&collector, 0, sizeof(GinTupleCollector));
518 
519  for (i = 0; i < ginstate->origTupdesc->natts; i++)
520  ginHeapTupleFastCollect(ginstate, &collector,
521  (OffsetNumber) (i + 1),
522  values[i], isnull[i],
523  ht_ctid);
524 
525  ginHeapTupleFastInsert(ginstate, &collector);
526  }
527  else
528  {
529  for (i = 0; i < ginstate->origTupdesc->natts; i++)
530  ginHeapTupleInsert(ginstate, (OffsetNumber) (i + 1),
531  values[i], isnull[i],
532  ht_ctid);
533  }
534 
535  MemoryContextSwitchTo(oldCtx);
536  MemoryContextDelete(insertCtx);
537 
538  return false;
539 }
uint32 BlockNumber
Definition: block.h:31
static Datum values[MAXATTR]
Definition: bootstrap.c:156
int Buffer
Definition: buf.h:23
BlockNumber BufferGetBlockNumber(Buffer buffer)
Definition: bufmgr.c:3290
Buffer ExtendBufferedRel(BufferManagerRelation bmr, ForkNumber forkNum, BufferAccessStrategy strategy, uint32 flags)
Definition: bufmgr.c:812
void UnlockReleaseBuffer(Buffer buffer)
Definition: bufmgr.c:4497
void MarkBufferDirty(Buffer buffer)
Definition: bufmgr.c:2111
void LockBuffer(Buffer buffer, int mode)
Definition: bufmgr.c:4715
#define RelationGetNumberOfBlocks(reln)
Definition: bufmgr.h:227
static Page BufferGetPage(Buffer buffer)
Definition: bufmgr.h:350
@ EB_SKIP_EXTENSION_LOCK
Definition: bufmgr.h:73
@ EB_LOCK_FIRST
Definition: bufmgr.h:85
#define BMR_REL(p_rel)
Definition: bufmgr.h:106
Pointer Page
Definition: bufpage.h:78
static Item PageGetItem(Page page, ItemId itemId)
Definition: bufpage.h:351
static ItemId PageGetItemId(Page page, OffsetNumber offsetNumber)
Definition: bufpage.h:240
unsigned int uint32
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signed int int32
Definition: c.h:483
size_t Size
Definition: c.h:594
#define ERROR
Definition: elog.h:39
IndexUniqueCheck
Definition: genam.h:116
#define GIN_UNLOCK
Definition: gin_private.h:48
#define GinGetUseFastUpdate(relation)
Definition: gin_private.h:33
#define GinIsPostingTree(itup)
Definition: ginblock.h:231
#define SizeOfGinPostingList(plist)
Definition: ginblock.h:342
#define GIN_LEAF
Definition: ginblock.h:42
#define GinGetPostingTree(itup)
Definition: ginblock.h:233
signed char GinNullCategory
Definition: ginblock.h:206
#define GinSetPostingTree(itup, blkno)
Definition: ginblock.h:232
#define GinMaxItemSize
Definition: ginblock.h:248
void freeGinBtreeStack(GinBtreeStack *stack)
Definition: ginbtree.c:192
void ginInsertValue(GinBtree btree, GinBtreeStack *stack, void *insertdata, GinStatsData *buildStats)
Definition: ginbtree.c:773
GinBtreeStack * ginFindLeafPage(GinBtree btree, bool searchMode, bool rootConflictCheck)
Definition: ginbtree.c:80
void ginBeginBAScan(BuildAccumulator *accum)
Definition: ginbulk.c:257
void ginInsertBAEntries(BuildAccumulator *accum, ItemPointer heapptr, OffsetNumber attnum, Datum *entries, GinNullCategory *categories, int32 nentries)
Definition: ginbulk.c:210
void ginInitBA(BuildAccumulator *accum)
Definition: ginbulk.c:109
ItemPointerData * ginGetBAEntry(BuildAccumulator *accum, OffsetNumber *attnum, Datum *key, GinNullCategory *category, uint32 *n)
Definition: ginbulk.c:268
BlockNumber createPostingTree(Relation index, ItemPointerData *items, uint32 nitems, GinStatsData *buildStats, Buffer entrybuffer)
Definition: gindatapage.c:1769
void ginInsertItemPointers(Relation index, BlockNumber rootBlkno, ItemPointerData *items, uint32 nitem, GinStatsData *buildStats)
Definition: gindatapage.c:1902
ItemPointer ginReadTuple(GinState *ginstate, OffsetNumber attnum, IndexTuple itup, int *nitems)
Definition: ginentrypage.c:163
IndexTuple GinFormTuple(GinState *ginstate, OffsetNumber attnum, Datum key, GinNullCategory category, Pointer data, Size dataSize, int nipd, bool errorTooBig)
Definition: ginentrypage.c:45
void ginPrepareEntryScan(GinBtree btree, OffsetNumber attnum, Datum key, GinNullCategory category, GinState *ginstate)
Definition: ginentrypage.c:745
void ginHeapTupleFastCollect(GinState *ginstate, GinTupleCollector *collector, OffsetNumber attnum, Datum value, bool isNull, ItemPointer ht_ctid)
Definition: ginfast.c:482
void ginHeapTupleFastInsert(GinState *ginstate, GinTupleCollector *collector)
Definition: ginfast.c:219
static IndexTuple addItemPointersToLeafTuple(GinState *ginstate, IndexTuple old, ItemPointerData *items, uint32 nitem, GinStatsData *buildStats, Buffer buffer)
Definition: gininsert.c:49
static IndexTuple buildFreshLeafTuple(GinState *ginstate, OffsetNumber attnum, Datum key, GinNullCategory category, ItemPointerData *items, uint32 nitem, GinStatsData *buildStats, Buffer buffer)
Definition: gininsert.c:129
static void ginHeapTupleBulkInsert(GinBuildState *buildstate, OffsetNumber attnum, Datum value, bool isNull, ItemPointer heapptr)
Definition: gininsert.c:256
void ginEntryInsert(GinState *ginstate, OffsetNumber attnum, Datum key, GinNullCategory category, ItemPointerData *items, uint32 nitem, GinStatsData *buildStats)
Definition: gininsert.c:179
IndexBuildResult * ginbuild(Relation heap, Relation index, IndexInfo *indexInfo)
Definition: gininsert.c:320
static void ginHeapTupleInsert(GinState *ginstate, OffsetNumber attnum, Datum value, bool isNull, ItemPointer item)
Definition: gininsert.c:468
void ginbuildempty(Relation index)
Definition: gininsert.c:437
bool gininsert(Relation index, Datum *values, bool *isnull, ItemPointer ht_ctid, Relation heapRel, IndexUniqueCheck checkUnique, bool indexUnchanged, IndexInfo *indexInfo)
Definition: gininsert.c:486
static void ginBuildCallback(Relation index, ItemPointer tid, Datum *values, bool *isnull, bool tupleIsAlive, void *state)
Definition: gininsert.c:280
GinPostingList * ginCompressPostingList(const ItemPointer ipd, int nipd, int maxsize, int *nwritten)
ItemPointer ginMergeItemPointers(ItemPointerData *a, uint32 na, ItemPointerData *b, uint32 nb, int *nmerged)
Datum * ginExtractEntries(GinState *ginstate, OffsetNumber attnum, Datum value, bool isNull, int32 *nentries, GinNullCategory **categories)
Definition: ginutil.c:482
OffsetNumber gintuple_get_attrnum(GinState *ginstate, IndexTuple tuple)
Definition: ginutil.c:225
Buffer GinNewBuffer(Relation index)
Definition: ginutil.c:299
void GinInitBuffer(Buffer b, uint32 f)
Definition: ginutil.c:349
Datum gintuple_get_key(GinState *ginstate, IndexTuple tuple, GinNullCategory *category)
Definition: ginutil.c:258
void GinInitMetabuffer(Buffer b)
Definition: ginutil.c:355
void initGinState(GinState *state, Relation index)
Definition: ginutil.c:96
void ginUpdateStats(Relation index, const GinStatsData *stats, bool is_build)
Definition: ginutil.c:649
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static struct @148 value
int i
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if(TABLE==NULL||TABLE_index==NULL)
Definition: isn.c:77
IndexTupleData * IndexTuple
Definition: itup.h:53
Assert(fmt[strlen(fmt) - 1] !='\n')
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Definition: mcxt.c:330
void pfree(void *pointer)
Definition: mcxt.c:1456
MemoryContext CurrentMemoryContext
Definition: mcxt.c:135
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Definition: mcxt.c:1226
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Definition: miscadmin.h:121
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Definition: miscadmin.h:150
uint16 OffsetNumber
Definition: off.h:24
static MemoryContext MemoryContextSwitchTo(MemoryContext context)
Definition: palloc.h:138
int16 attnum
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uintptr_t Datum
Definition: postgres.h:64
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Definition: predicate.c:4270
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Definition: rel.h:538
#define RelationNeedsWAL(relation)
Definition: rel.h:629
@ MAIN_FORKNUM
Definition: relpath.h:50
@ INIT_FORKNUM
Definition: relpath.h:53
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Definition: gin_private.h:432
bool(* findItem)(GinBtree, GinBtreeStack *)
Definition: gin_private.h:155
OffsetNumber off
Definition: gin_private.h:132
double indtuples
Definition: gininsert.c:33
GinState ginstate
Definition: gininsert.c:32
MemoryContext tmpCtx
Definition: gininsert.c:35
GinStatsData buildStats
Definition: gininsert.c:34
MemoryContext funcCtx
Definition: gininsert.c:36
BuildAccumulator accum
Definition: gininsert.c:37
TupleDesc origTupdesc
Definition: gin_private.h:72
Relation index
Definition: gin_private.h:58
BlockNumber nEntryPages
Definition: gin.h:46
int64 nEntries
Definition: gin.h:48
BlockNumber nTotalPages
Definition: gin.h:45
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Definition: genam.h:32
double index_tuples
Definition: genam.h:33
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Definition: execnodes.h:201
MemoryContext ii_Context
Definition: execnodes.h:202
Definition: type.h:95
Definition: regguts.h:323
static double table_index_build_scan(Relation table_rel, Relation index_rel, struct IndexInfo *index_info, bool allow_sync, bool progress, IndexBuildCallback callback, void *callback_state, TableScanDesc scan)
Definition: tableam.h:1772
void log_newpage_range(Relation rel, ForkNumber forknum, BlockNumber startblk, BlockNumber endblk, bool page_std)
Definition: xloginsert.c:1258
XLogRecPtr log_newpage_buffer(Buffer buffer, bool page_std)
Definition: xloginsert.c:1225