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GIN improvements

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- Replace sorted array of entries in maintenance_work_mem to binary tree,
  this should improve create performance.
- More precisely calculate allocated memory, eliminate leaks
  with user-defined extractValue()
- Improve wordings in tsearch2
This commit is contained in:
Teodor Sigaev
2006-07-11 16:55:34 +00:00
parent fa601357fb
commit 234163649e
4 changed files with 225 additions and 78 deletions
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15
src/include/access/gin.h
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@ -3,7 +3,7 @@
* header file for postgres inverted index access method implementation.
*
* Copyright (c) 2006, PostgreSQL Global Development Group
* $PostgreSQL: pgsql/src/include/access/gin.h,v 1.4 2006/07/11 13:54:24 momjian Exp $
* $PostgreSQL: pgsql/src/include/access/gin.h,v 1.5 2006/07/11 16:55:34 teodor Exp $
*--------------------------------------------------------------------------
*/
@ -414,21 +414,26 @@ extern Datum arraycontains(PG_FUNCTION_ARGS);
extern Datum arraycontained(PG_FUNCTION_ARGS);
/* ginbulk.c */
typedef struct {
typedef struct EntryAccumulator {
Datum value;
uint32 length;
uint32 number;
ItemPointerData *list;
bool shouldSort;
struct EntryAccumulator *left;
struct EntryAccumulator *right;
} EntryAccumulator;
typedef struct {
GinState *ginstate;
EntryAccumulator *entries;
uint32 length;
uint32 number;
uint32 curget;
uint32 maxdepth;
EntryAccumulator **stack;
uint32 stackpos;
uint32 allocatedMemory;
uint32 length;
EntryAccumulator *entryallocator;
} BuildAccumulator;
extern void ginInitBA(BuildAccumulator *accum);