From d611517fc44ebbf7e0d563de6d4cd98fd342a762 Mon Sep 17 00:00:00 2001
From: Andres Freund <andres@anarazel.de>
Date: Thu, 6 Apr 2017 14:21:39 -0700
Subject: [PATCH] Fix parallel bitmapscan tests on builds without USE_PREFETCH.

This was broken in 5a5931533edd2.
---
 src/test/regress/expected/select_parallel.out | 7 ++++++-
 src/test/regress/sql/select_parallel.sql      | 7 ++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/test/regress/expected/select_parallel.out b/src/test/regress/expected/select_parallel.out
index d65c2b93a8..0e9bc1a707 100644
--- a/src/test/regress/expected/select_parallel.out
+++ b/src/test/regress/expected/select_parallel.out
@@ -175,7 +175,12 @@ set enable_indexscan to off;
 set enable_hashjoin to off;
 set enable_mergejoin to off;
 set enable_material to off;
-set effective_io_concurrency=50;
+-- test prefetching, if the platform allows it
+DO $$
+BEGIN
+ SET effective_io_concurrency = 50;
+EXCEPTION WHEN invalid_parameter_value THEN
+END $$;
 set work_mem='64kB';  --set small work mem to force lossy pages
 explain (costs off)
 	select count(*) from tenk1, tenk2 where tenk1.hundred > 1 and tenk2.thousand=0;
diff --git a/src/test/regress/sql/select_parallel.sql b/src/test/regress/sql/select_parallel.sql
index b2a0bd5d94..67bc82e834 100644
--- a/src/test/regress/sql/select_parallel.sql
+++ b/src/test/regress/sql/select_parallel.sql
@@ -70,7 +70,12 @@ set enable_indexscan to off;
 set enable_hashjoin to off;
 set enable_mergejoin to off;
 set enable_material to off;
-set effective_io_concurrency=50;
+-- test prefetching, if the platform allows it
+DO $$
+BEGIN
+ SET effective_io_concurrency = 50;
+EXCEPTION WHEN invalid_parameter_value THEN
+END $$;
 set work_mem='64kB';  --set small work mem to force lossy pages
 explain (costs off)
 	select count(*) from tenk1, tenk2 where tenk1.hundred > 1 and tenk2.thousand=0;