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Introduce macros determining if a replication slot is physical or logical.

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These make the code a bit easier to read, and make it easier to add a
more explicit notion of a slot's type at some point in the future.

Author: Gurjeet Singh
Discussion: CABwTF4Wh_dBCzTU=49pFXR6coR4NW1ynb+vBqT+Po=7fuq5iCw@mail.gmail.com
This commit is contained in:
Andres Freund
2015-08-11 12:32:48 +02:00
parent 3b425b7c02
commit 093d0c83c1
4 changed files with 10 additions and 7 deletions
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3
src/include/replication/slot.h
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@@ -125,6 +125,9 @@ typedef struct ReplicationSlot
XLogRecPtr candidate_restart_lsn;
} ReplicationSlot;
#define SlotIsPhysical(slot) (slot->data.database == InvalidOid)
#define SlotIsLogical(slot) (slot->data.database != InvalidOid)
/*
* Shared memory control area for all of replication slots.
*/