Peter Eisentraut 728d4bc16b Use <unnamed> for name of unnamed portal's memory context
Otherwise just printing an empty string makes the memory context debug
output slightly confusing.

Discussion: https://www.postgresql.org/message-id/flat/ccb353ef-89ff-09b3-8046-1d2514624b9c%402ndquadrant.com
2020-09-08 17:15:00 +02:00
..
2020-09-02 15:17:33 +02:00