Function IsPgbsonEmptyDocument

pg_documentdb_core/include/io/pgbson.h:130–134

* Validate if the pgbson is an empty document. * Note that the bson spec (https://bsonspec.org/spec.html) implies that an array has * 4 bytes for the array length, followed by a list of [ 1 byte type code, path, value] * This implies that a non empty array has 4 bytes of length, 1 byte of type code * (for the first element), and at least 1 byte for the index path which is 6 bytes at least. */

 * (for the first element), and at least 1 byte for the index path which is 6 bytes at least.
 */
inline static bool
IsPgbsonEmptyDocument(const pgbson *value)
{
	return value != NULL && VARSIZE_ANY_EXHDR(value) < 6;
}


/*