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Fix bug in pg_basebackup -F plain -R.

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Commit caba97a9d9 changed pg_basebackup -F plain -R so that
it overwrote postgresql.auto.conf in the backup, with new connection
setting. This could cause the existing postgresql.auto.conf settings
in the server to get lost unexpectedly. This is a bug.

This commit fixes the bug by making pg_basebackup -F plain -R
append the connection setting into postgresql.auto.conf in the backup.

Author: Fujii Masao
Reviewed-by: Sergei Kornilov
Discussion: https://postgr.es/m/250dcf2a-94e7-c05e-824a-73cfb38a48a4@oss.nttdata.com
This commit is contained in:
Fujii Masao 2020-02-12 09:08:22 +09:00
parent e49d5ebbae
commit be6221e9be
1 changed files with 1 additions and 1 deletions
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2
src/fe_utils/recovery_gen.c
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@ -128,7 +128,7 @@ WriteRecoveryConfig(PGconn *pgconn, char *target_dir, PQExpBuffer contents)
snprintf(filename, MAXPGPATH, "%s/%s", target_dir,
use_recovery_conf ? "recovery.conf" : "postgresql.auto.conf");
cf = fopen(filename, use_recovery_conf ? "a" : "w");
cf = fopen(filename, use_recovery_conf ? "w" : "a");
if (cf == NULL)
{
pg_log_error("could not open file \"%s\": %m", filename);