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pg_basebackup: Add option to create replication slot

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When requesting a particular replication slot, the new pg_basebackup
option -C/--create-slot creates it before starting to replicate from it.

Further refactor the slot creation logic to include the temporary slot
creation logic into the same function.  Add new arguments is_temporary
and preserve_wal to CreateReplicationSlot().  Print in --verbose mode
that a slot has been created.

Author: Michael Banck <michael.banck@credativ.de>
This commit is contained in:
Peter Eisentraut
2017-09-26 16:07:52 -04:00
parent 59597e6485
commit 3709ca1cf0
9 changed files with 112 additions and 41 deletions
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5
src/bin/pg_basebackup/streamutil.h
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@@ -33,8 +33,9 @@ extern PGconn *GetConnection(void);
/* Replication commands */
extern bool CreateReplicationSlot(PGconn *conn, const char *slot_name,
const char *plugin, bool is_physical,
bool slot_exists_ok);
const char *plugin, bool is_temporary,
bool is_physical, bool reserve_wal,
bool slot_exists_ok);
extern bool DropReplicationSlot(PGconn *conn, const char *slot_name);
extern bool RunIdentifySystem(PGconn *conn, char **sysid,
TimeLineID *starttli,