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commit    489e6ac5a1a4ca7e4ca7683a86ccd8a5d5e3eb59
Author:   Fujii Masao <fujii@postgresql.org>
Date:     Tue Feb 04 01:59:39 2014 +0000
First released in: 9.4.0

    Fix comparison of an array of characters with zero to compare with '\0' instead.
    
    Report from Andres Freund.


 src/backend/utils/adt/pgstatfuncs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c
index 29fc134858b..a4f31cfc7fc 100644
--- a/src/backend/utils/adt/pgstatfuncs.c
+++ b/src/backend/utils/adt/pgstatfuncs.c
@@ -1751,7 +1751,7 @@ pg_stat_get_archiver(PG_FUNCTION_ARGS)
 
 	/* Fill values and NULLs */
 	values[0] = Int64GetDatum(archiver_stats->archived_count);
-	if (archiver_stats->last_archived_wal == 0)
+	if (*(archiver_stats->last_archived_wal) == '\0')
 		nulls[1] = true;
 	else
 		values[1] = CStringGetTextDatum(archiver_stats->last_archived_wal);
@@ -1762,7 +1762,7 @@ pg_stat_get_archiver(PG_FUNCTION_ARGS)
 		values[2] = TimestampTzGetDatum(archiver_stats->last_archived_timestamp);
 
 	values[3] = Int64GetDatum(archiver_stats->failed_count);
-	if (archiver_stats->last_failed_wal == 0)
+	if (*(archiver_stats->last_failed_wal) == '\0')
 		nulls[4] = true;
 	else
 		values[4] = CStringGetTextDatum(archiver_stats->last_failed_wal);


[parent: c1fe08eb2f74]