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Diffstat (limited to 'src/backend/utils/adt/pgstatfuncs.c')
-rw-r--r--src/backend/utils/adt/pgstatfuncs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c
index 140704f97ca..bf3084fce67 100644
--- a/src/backend/utils/adt/pgstatfuncs.c
+++ b/src/backend/utils/adt/pgstatfuncs.c
@@ -760,7 +760,8 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
clean_ipv6_addr(beentry->st_clientaddr.addr.ss_family, remote_host);
values[11] = DirectFunctionCall1(inet_in,
CStringGetDatum(remote_host));
- if (beentry->st_clienthostname)
+ if (beentry->st_clienthostname &&
+ beentry->st_clienthostname[0])
values[12] = CStringGetTextDatum(beentry->st_clienthostname);
else
nulls[12] = true;