sunpeng <bluevaley@xxxxxxxxx> writes: > what's the relation between pathkey and path in optimize phase? pathkey is a data structure representing the ordering of a path. Have you read src/backend/optimizer/README ? regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
