On 20th of January, Peter Eisentraut committed patch: Logical replication - Add PUBLICATION catalogs and DDL - Add SUBSCRIPTION catalog and DDL - Define logical replication protocol and output plugin - Add logical replication workers From: Petr Jelinek Reviewed-by: Steve Singer Reviewed-by: Andres Freund Reviewed-by: Erik Rijkers Reviewed-by: Peter Eisentraut

There is this idea that from 9.5 we will be able to upgrade pg clusters to newer, major, version, without downtime (well, almost), thanks to magic of logical replication. Sounds very promising, so I figured - I'll test it. To some ...

On 3rd of March, Robert Haas committed patch: Introduce logical decoding. This feature, building on previous commits, allows the write-ahead log stream to be decoded into a series of logical changes; that is, inserts, updates, and deletes and the transactions which contain them. It is ...

On 11th of December, Robert Haas committed patch: Add new wal_level, logical, sufficient for logical decoding. When wal_level=logical, we'll log columns from the old tuple as configured by the REPLICA IDENTITY facility added in commit 07cacba983ef79be4a84fcd0e0ca3b5fcb85dd65. This makes it possible a properly-configured logical replication ...