Avoid row-processing-order dependency in postgres_fdw regression test.

A test intended to provoke an error on the remote side was coded in such
a way that multiple rows should be updated, so the output would vary
depending on which one was processed first.  Per buildfarm.

1 files changed, 1 insertions, 1 deletions

diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql
index 007109c7c76..6df829024d9 100644
--- a/contrib/postgres_fdw/sql/postgres_fdw.sql
+++ b/contrib/postgres_fdw/sql/postgres_fdw.sql
@@ -337,7 +337,7 @@ select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
 release savepoint s2;
 select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
 savepoint s3;
-update ft2 set c2 = -2 where c2 = 42; -- fail on remote side
+update ft2 set c2 = -2 where c2 = 42 and c1 = 10; -- fail on remote side
 rollback to savepoint s3;
 select c2, count(*) from ft2 where c2 < 500 group by 1 order by 1;
 release savepoint s3;