Function IsProjectFunctionOid

pg_documentdb/src/opclass/index_support.c:2120–2129

inline static bool
IsProjectFunctionOid(Oid oid)
{
	return oid == BsonDollarProjectFunctionOid() ||
		   oid == BsonDollarProjectWithLetFunctionOid() ||
		   oid == BsonDollarProjectWithLetAndCollationFunctionOid() ||
		   oid == BsonDollarProjectFindFunctionOid() ||
		   oid == BsonDollarProjectFindWithLetFunctionOid() ||
		   oid == BsonDollarProjectFindWithLetAndCollationFunctionOid();
}


/* tree_walker_callback that recursively checks if all field paths in the tree are covered by the index.