Function IsPgbsonWriterEmptyDocument

pg_documentdb_core/src/io/pgbson.c:1923–1927

* Validate if the bson inside pgbson_writer 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

 * (for the first element), and at least 1 byte for the index path which is 6 bytes at least.
 */
bool
IsPgbsonWriterEmptyDocument(pgbson_writer *writer)
{
	return writer != NULL && PgbsonWriterGetSize(writer) < 6;
}


/*