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| author | Peter Eisentraut <peter_e@gmx.net> | 2018-04-07 11:17:56 -0400 |
|---|---|---|
| committer | Peter Eisentraut <peter_e@gmx.net> | 2018-04-07 11:34:10 -0400 |
| commit | 5dfd1e5a6696b271a2cdee54143fbc209c88c02f (patch) | |
| tree | 9654f50fe72c84d737ad8edb4cdde339a4b36dcc /src/backend/access/heap/heapam.c | |
| parent | b508a56f2f3a2d850e75a14661943d6b4dde8274 (diff) | |
| download | postgresql-5dfd1e5a6696b271a2cdee54143fbc209c88c02f.tar.gz postgresql-5dfd1e5a6696b271a2cdee54143fbc209c88c02f.zip | |
Logical decoding of TRUNCATE
Add a new WAL record type for TRUNCATE, which is only used when
wal_level >= logical. (For physical replication, TRUNCATE is already
replicated via SMGR records.) Add new callback for logical decoding
output plugins to receive TRUNCATE actions.
Author: Simon Riggs <simon@2ndquadrant.com>
Author: Marco Nenciarini <marco.nenciarini@2ndquadrant.it>
Author: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Reviewed-by: Petr Jelinek <petr.jelinek@2ndquadrant.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Alvaro Herrera <alvherre@alvh.no-ip.org>
Diffstat (limited to 'src/backend/access/heap/heapam.c')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index f96567f5d51..0bafb4fefcd 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -9260,6 +9260,13 @@ heap_redo(XLogReaderState *record) case XLOG_HEAP_UPDATE: heap_xlog_update(record, false); break; + case XLOG_HEAP_TRUNCATE: + /* + * TRUNCATE is a no-op because the actions are already logged as + * SMGR WAL records. TRUNCATE WAL record only exists for logical + * decoding. + */ + break; case XLOG_HEAP_HOT_UPDATE: heap_xlog_update(record, true); break; |