Add missing BUFFERS OFF in regression tests, take 2

Similar to 9fa1aaa, but running with -D RELCACHE_FORCE_RELEASE and
-D CATCACHE_FORCE_RELEASE yielded some additional missing places that
needed BUFFERS OFF.

Discussion: https://postgr.es/m/CANNMO++W7MM8T0KyXN3ZheXXt-uLVM3aEtZd+WNfZ=obxffUiA@mail.gmail.com

Author: david-rowley

src/test/regress/expected/matview.out

@@ -624,7 +624,7 @@ GRANT ALL ON SCHEMA matview_schema TO public;
 SET SESSION AUTHORIZATION regress_matview_user;
 CREATE MATERIALIZED VIEW matview_schema.mv_withdata1 (a) AS
   SELECT generate_series(1, 10) WITH DATA;
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW matview_schema.mv_withdata2 (a) AS
   SELECT generate_series(1, 10) WITH DATA;
               QUERY PLAN              
@@ -636,7 +636,7 @@ EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
 REFRESH MATERIALIZED VIEW matview_schema.mv_withdata2;
 CREATE MATERIALIZED VIEW matview_schema.mv_nodata1 (a) AS
   SELECT generate_series(1, 10) WITH NO DATA;
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW matview_schema.mv_nodata2 (a) AS
   SELECT generate_series(1, 10) WITH NO DATA;
           QUERY PLAN           
@@ -669,23 +669,23 @@ ERROR:  relation "matview_ine_tab" already exists
 CREATE MATERIALIZED VIEW IF NOT EXISTS matview_ine_tab AS
   SELECT 1 / 0 WITH NO DATA; -- ok
 NOTICE:  relation "matview_ine_tab" already exists, skipping
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW matview_ine_tab AS
     SELECT 1 / 0; -- error
 ERROR:  relation "matview_ine_tab" already exists
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW IF NOT EXISTS matview_ine_tab AS
     SELECT 1 / 0; -- ok
 NOTICE:  relation "matview_ine_tab" already exists, skipping
  QUERY PLAN 
 ------------
 (0 rows)
 
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW matview_ine_tab AS
     SELECT 1 / 0 WITH NO DATA; -- error
 ERROR:  relation "matview_ine_tab" already exists
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW IF NOT EXISTS matview_ine_tab AS
     SELECT 1 / 0 WITH NO DATA; -- ok
 NOTICE:  relation "matview_ine_tab" already exists, skipping

src/test/regress/expected/misc_functions.out

@@ -22,7 +22,7 @@ BEGIN
     SET LOCAL jit = 0;
 
     FOR ln IN
-        EXECUTE format('explain (analyze %s, costs on, summary off, timing off) %s',
+        EXECUTE format('explain (analyze %s, costs on, summary off, timing off, buffers off) %s',
             analyze_str, query)
     LOOP
         IF hide_costs = true THEN

src/test/regress/sql/matview.sql

@@ -274,13 +274,13 @@ GRANT ALL ON SCHEMA matview_schema TO public;
 SET SESSION AUTHORIZATION regress_matview_user;
 CREATE MATERIALIZED VIEW matview_schema.mv_withdata1 (a) AS
   SELECT generate_series(1, 10) WITH DATA;
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW matview_schema.mv_withdata2 (a) AS
   SELECT generate_series(1, 10) WITH DATA;
 REFRESH MATERIALIZED VIEW matview_schema.mv_withdata2;
 CREATE MATERIALIZED VIEW matview_schema.mv_nodata1 (a) AS
   SELECT generate_series(1, 10) WITH NO DATA;
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW matview_schema.mv_nodata2 (a) AS
   SELECT generate_series(1, 10) WITH NO DATA;
 REFRESH MATERIALIZED VIEW matview_schema.mv_nodata2;
@@ -301,16 +301,16 @@ CREATE MATERIALIZED VIEW matview_ine_tab AS
   SELECT 1 / 0 WITH NO DATA; -- error
 CREATE MATERIALIZED VIEW IF NOT EXISTS matview_ine_tab AS
   SELECT 1 / 0 WITH NO DATA; -- ok
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW matview_ine_tab AS
     SELECT 1 / 0; -- error
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW IF NOT EXISTS matview_ine_tab AS
     SELECT 1 / 0; -- ok
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW matview_ine_tab AS
     SELECT 1 / 0 WITH NO DATA; -- error
-EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF, BUFFERS OFF)
   CREATE MATERIALIZED VIEW IF NOT EXISTS matview_ine_tab AS
     SELECT 1 / 0 WITH NO DATA; -- ok
 DROP MATERIALIZED VIEW matview_ine_tab;

src/test/regress/sql/misc_functions.sql

@@ -24,7 +24,7 @@ BEGIN
     SET LOCAL jit = 0;
 
     FOR ln IN
-        EXECUTE format('explain (analyze %s, costs on, summary off, timing off) %s',
+        EXECUTE format('explain (analyze %s, costs on, summary off, timing off, buffers off) %s',
             analyze_str, query)
     LOOP
         IF hide_costs = true THEN