Function extension_rumbuild_core

pg_documentdb/src/index_am/rum.c:1383–1411

IndexBuildResult *
extension_rumbuild_core(Relation heapRelation, Relation indexRelation,
						struct IndexInfo *indexInfo, IndexAmRoutine *coreRoutine,
						UpdateMultikeyStatusFunc updateMultikeyStatus,
						bool amCanBuildParallel)
{
	RumHasMultiKeyPaths = false;
	IndexBuildResult *result = coreRoutine->ambuild(heapRelation, indexRelation,
													indexInfo);

	/* Update statistics to track that we're a multi-key index:
	 * Note: We don't use HasMultiKeyPaths here as we want to handle the parallel build
	 * scenario where we may have multiple workers building the index.
	 */
	if (amCanBuildParallel && IsCompositeOpClass(indexRelation))
	{
		IndexMultiKeyStatus status = CheckIndexHasArrays(indexRelation, coreRoutine);
		if (status == IndexMultiKeyStatus_HasArrays && updateMultikeyStatus != NULL)
		{
			updateMultikeyStatus(indexRelation);
		}
	}
	else if (RumHasMultiKeyPaths && updateMultikeyStatus != NULL)
	{
		updateMultikeyStatus(indexRelation);
	}

	return result;
}


static bool