diff options
| -rw-r--r-- | src/backend/replication/syncrep.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/replication/syncrep.c b/src/backend/replication/syncrep.c index b442d061ec0..3dfff04405d 100644 --- a/src/backend/replication/syncrep.c +++ b/src/backend/replication/syncrep.c @@ -922,6 +922,13 @@ check_synchronous_standby_names(char **newval, void **extra, GucSource source) return false; } + if (syncrep_parse_result->num_sync <= 0) + { + GUC_check_errmsg("number of synchronous standbys (%d) must be greater than zero", + syncrep_parse_result->num_sync); + return false; + } + /* GUC extra value must be malloc'd, not palloc'd */ pconf = (SyncRepConfigData *) malloc(syncrep_parse_result->config_size); |