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-rw-r--r--src/backend/catalog/system_views.sql2
-rw-r--r--src/backend/replication/basebackup.c19
2 files changed, 18 insertions, 3 deletions
diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql
index b8a3f46912d..5a6dc616301 100644
--- a/src/backend/catalog/system_views.sql
+++ b/src/backend/catalog/system_views.sql
@@ -1070,7 +1070,7 @@ CREATE VIEW pg_stat_progress_basebackup AS
WHEN 4 THEN 'waiting for wal archiving to finish'
WHEN 5 THEN 'transferring wal files'
END AS phase,
- S.param2 AS backup_total,
+ CASE S.param2 WHEN -1 THEN NULL ELSE S.param2 END AS backup_total,
S.param3 AS backup_streamed,
S.param4 AS tablespaces_total,
S.param5 AS tablespaces_streamed
diff --git a/src/backend/replication/basebackup.c b/src/backend/replication/basebackup.c
index 806d013108d..a2e28b064cd 100644
--- a/src/backend/replication/basebackup.c
+++ b/src/backend/replication/basebackup.c
@@ -123,7 +123,10 @@ static long long int total_checksum_failures;
/* Do not verify checksums. */
static bool noverify_checksums = false;
-/* Total amount of backup data that will be streamed */
+/*
+ * Total amount of backup data that will be streamed.
+ * -1 means that the size is not estimated.
+ */
static int64 backup_total = 0;
/* Amount of backup data already streamed */
@@ -258,6 +261,18 @@ perform_base_backup(basebackup_options *opt)
backup_streamed = 0;
pgstat_progress_start_command(PROGRESS_COMMAND_BASEBACKUP, InvalidOid);
+ /*
+ * If the estimation of the total backup size is disabled, make the
+ * backup_total column in the view return NULL by setting the parameter to
+ * -1.
+ */
+ if (!opt->progress)
+ {
+ backup_total = -1;
+ pgstat_progress_update_param(PROGRESS_BASEBACKUP_BACKUP_TOTAL,
+ backup_total);
+ }
+
datadirpathlen = strlen(DataDir);
backup_started_in_recovery = RecoveryInProgress();
@@ -1842,7 +1857,7 @@ update_basebackup_progress(int64 delta)
* will always be wrong if WAL is included), but that's better than having
* the done column be bigger than the total.
*/
- if (backup_total > 0 && backup_streamed > backup_total)
+ if (backup_total > -1 && backup_streamed > backup_total)
{
backup_total = backup_streamed;
val[nparam++] = backup_total;