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Add pg_promote function

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This function is able to promote a standby with this new SQL-callable
function.  Execution access can be granted to non-superusers so that
failover tools can observe the principle of least privilege.

Catalog version is bumped.

Author: Laurenz Albe
Reviewed-by: Michael Paquier, Masahiko Sawada
Discussion: https://postgr.es/m/6e7c79b3ec916cf49742fb8849ed17cd87aed620.camel@cybertec.at
This commit is contained in:
Michael Paquier
2018-10-25 09:46:00 +09:00
parent 0a8590b2a0
commit 10074651e3
13 changed files with 143 additions and 20 deletions
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6
src/backend/access/transam/xlog.c
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@ -78,12 +78,6 @@
extern uint32 bootstrap_data_checksum_version;
/* File path names (all relative to $PGDATA) */
#define RECOVERY_COMMAND_FILE "recovery.conf"
#define RECOVERY_COMMAND_DONE "recovery.done"
#define PROMOTE_SIGNAL_FILE "promote"
#define FALLBACK_PROMOTE_SIGNAL_FILE "fallback_promote"
/* User-settable parameters */
int max_wal_size_mb = 1024; /* 1 GB */