C++ (Cpp) ginHeapTupleBulkInsert Examples

Example #1

File: gininsert.c Project: KMU-embedded/mosbench-ext

static void
ginBuildCallback(Relation index, HeapTuple htup, Datum *values,
				 bool *isnull, bool tupleIsAlive, void *state)
{
	GinBuildState *buildstate = (GinBuildState *) state;
	MemoryContext oldCtx;

	if (*isnull)
		return;

	oldCtx = MemoryContextSwitchTo(buildstate->tmpCtx);

	buildstate->indtuples += ginHeapTupleBulkInsert(buildstate, *values, &htup->t_self);

	/* If we've maxed out our available memory, dump everything to the index */
	/* Also dump if the tree seems to be getting too unbalanced */
	if (buildstate->accum.allocatedMemory >= maintenance_work_mem * 1024L ||
		buildstate->accum.maxdepth > GIN_MAX_TREE_DEPTH)
	{
		ItemPointerData *list;
		Datum		entry;
		uint32		nlist;

		while ((list = ginGetEntry(&buildstate->accum, &entry, &nlist)) != NULL)
			ginEntryInsert(index, &buildstate->ginstate, entry, list, nlist, TRUE);

		MemoryContextReset(buildstate->tmpCtx);
		ginInitBA(&buildstate->accum);
	}

	MemoryContextSwitchTo(oldCtx);
}

Example #2

File: gininsert.c Project: Brar/postgres

static void
ginBuildCallback(Relation index, HeapTuple htup, Datum *values,
				 bool *isnull, bool tupleIsAlive, void *state)
{
	GinBuildState *buildstate = (GinBuildState *) state;
	MemoryContext oldCtx;
	int			i;

	oldCtx = MemoryContextSwitchTo(buildstate->tmpCtx);

	for (i = 0; i < buildstate->ginstate.origTupdesc->natts; i++)
		ginHeapTupleBulkInsert(buildstate, (OffsetNumber) (i + 1),
							   values[i], isnull[i],
							   &htup->t_self);

	/* If we've maxed out our available memory, dump everything to the index */
	if (buildstate->accum.allocatedMemory >= (Size) maintenance_work_mem * 1024L)
	{
		ItemPointerData *list;
		Datum		key;
		GinNullCategory category;
		uint32		nlist;
		OffsetNumber attnum;

		ginBeginBAScan(&buildstate->accum);
		while ((list = ginGetBAEntry(&buildstate->accum,
									 &attnum, &key, &category, &nlist)) != NULL)
		{
			/* there could be many entries, so be willing to abort here */
			CHECK_FOR_INTERRUPTS();
			ginEntryInsert(&buildstate->ginstate, attnum, key, category,
						   list, nlist, &buildstate->buildStats);
		}

		MemoryContextReset(buildstate->tmpCtx);
		ginInitBA(&buildstate->accum);
	}

	MemoryContextSwitchTo(oldCtx);
}

Example #3

File: gininsert.c Project: Aldizh/buffer_manager

static void
ginBuildCallback(Relation index, HeapTuple htup, Datum *values,
				 bool *isnull, bool tupleIsAlive, void *state)
{
	GinBuildState *buildstate = (GinBuildState *) state;
	MemoryContext oldCtx;
	int			i;

	oldCtx = MemoryContextSwitchTo(buildstate->tmpCtx);

	for (i = 0; i < buildstate->ginstate.origTupdesc->natts; i++)
		if (!isnull[i])
			buildstate->indtuples += ginHeapTupleBulkInsert(buildstate,
										   (OffsetNumber) (i + 1), values[i],
															&htup->t_self);

	/* If we've maxed out our available memory, dump everything to the index */
	/* Also dump if the tree seems to be getting too unbalanced */
	if (buildstate->accum.allocatedMemory >= maintenance_work_mem * 1024L ||
		buildstate->accum.maxdepth > GIN_MAX_TREE_DEPTH)
	{
		ItemPointerData *list;
		Datum		entry;
		uint32		nlist;
		OffsetNumber attnum;

		while ((list = ginGetEntry(&buildstate->accum, &attnum, &entry, &nlist)) != NULL)
		{
			/* there could be many entries, so be willing to abort here */
			CHECK_FOR_INTERRUPTS();
			ginEntryInsert(index, &buildstate->ginstate, attnum, entry, list, nlist, TRUE);
		}

		MemoryContextReset(buildstate->tmpCtx);
		ginInitBA(&buildstate->accum);
	}

	MemoryContextSwitchTo(oldCtx);
}