This is an automated email from the ASF dual-hosted git repository.

chenjinbao1989 pushed a commit to branch cbdb-postgres-merge
in repository https://gitbox.apache.org/repos/asf/cloudberry.git

commit 31673521a89f868a1cc8744e2bee4460a814a58d
Author: liushengsong <[email protected]>
AuthorDate: Tue Feb 10 17:38:38 2026 +0800

    fix: fix contrib
---
 contrib/Makefile                                   |   4 +
 contrib/adminpack/expected/adminpack.out           |  83 +---------------
 contrib/amcheck/expected/check_btree.out           |   1 +
 contrib/amcheck/sql/check_btree.sql                |   1 +
 contrib/amcheck/t/001_verify_heapam.pl             |   4 -
 contrib/amcheck/t/002_cic.pl                       |  19 ----
 contrib/amcheck/t/003_cic_2pc.pl                   | 102 --------------------
 contrib/auto_explain/expected/auto_explain.out     |   3 -
 contrib/auto_explain/t/001_auto_explain.pl         |  14 ---
 contrib/bloom/t/001_wal.pl                         |  17 ----
 contrib/btree_gist/expected/bool.out               |  14 +--
 contrib/btree_gist/expected/inet.out               |   2 +-
 contrib/file_fdw/expected/.gitignore               |   5 -
 contrib/file_fdw/expected/file_fdw.out             |  29 +-----
 ...fdw_optimizer.source => file_fdw_optimizer.out} |   2 +
 .../{gp_file_fdw.source => gp_file_fdw.out}        |  14 ++-
 ..._optimizer.source => gp_file_fdw_optimizer.out} |   0
 contrib/file_fdw/sql/.gitignore                    |   2 -
 .../sql/{gp_file_fdw.source => gp_file_fdw.sql}    |  18 +++-
 contrib/intarray/expected/_int.out                 |   2 +
 contrib/pageinspect/expected/btree.out             |   3 -
 contrib/pageinspect/expected/gist.out              |  24 -----
 contrib/pageinspect/expected/page.out              |   3 -
 contrib/pageinspect/sql/brin.sql                   |   9 --
 contrib/pageinspect/sql/btree.sql                  |   3 -
 contrib/pageinspect/sql/gist.sql                   |  14 ---
 contrib/pageinspect/sql/page.sql                   |   3 -
 contrib/passwordcheck/expected/passwordcheck.out   |   6 +-
 contrib/pg_freespacemap/.gitignore                 |   3 -
 contrib/pg_stat_statements/pg_stat_statements.c    |   1 -
 contrib/pg_trgm/expected/pg_trgm.out               |  19 +---
 contrib/pgcrypto/expected/blowfish_1.out           |  95 -------------------
 contrib/pgcrypto/expected/cast5_1.out              |  48 ----------
 contrib/pgcrypto/expected/des_1.out                |  31 ------
 contrib/pgcrypto/expected/pgp-decrypt_1.out        |  63 -------------
 contrib/pgcrypto/expected/sha2.out                 |  35 -------
 contrib/pgcrypto/openssl.c                         |   8 --
 contrib/pgcrypto/pgcrypto.c                        |   3 -
 contrib/pgcrypto/sql/sha2.sql                      |  21 -----
 contrib/pgrowlocks/.gitignore                      |   3 -
 contrib/postgres_fdw/expected/postgres_fdw.out     | 105 ---------------------
 contrib/postgres_fdw/sql/postgres_fdw.sql          |  40 --------
 contrib/seg/expected/seg.out                       |  11 ---
 contrib/seg/sql/seg.sql                            |   5 -
 contrib/sepgsql/expected/ddl.out                   |   4 -
 contrib/test_decoding/expected/replorigin.out      |   3 -
 contrib/test_decoding/sql/replorigin.sql           |   3 -
 src/include/utils/numeric.h                        |   1 +
 48 files changed, 53 insertions(+), 850 deletions(-)

diff --git a/contrib/Makefile b/contrib/Makefile
index b00ddbc1345..ec92cf8e933 100644
--- a/contrib/Makefile
+++ b/contrib/Makefile
@@ -11,6 +11,10 @@ include $(top_builddir)/src/Makefile.global
 # adminpack is disabled since the functionality has been imported into
 # GPDB.
 
+# FIXME: installcheck for extension pageinspect, pg_visibility, postgres_fdw, 
+# seg, tsm_system_rows, tsm_system_time, xml2 is failed, which is also failed
+# in gpdb. We'll fix it if we need these plugins to work properly.
+
 SUBDIRS = \
                amcheck         \
                auth_delay      \
diff --git a/contrib/adminpack/expected/adminpack.out 
b/contrib/adminpack/expected/adminpack.out
index 30b9b6f61bc..9ec9f5a5456 100644
--- a/contrib/adminpack/expected/adminpack.out
+++ b/contrib/adminpack/expected/adminpack.out
@@ -36,32 +36,19 @@ SELECT pg_read_file('test_file1');
 
 -- disallowed file paths for non-superusers and users who are
 -- not members of pg_write_server_files
-<<<<<<< HEAD
-CREATE ROLE regress_user1;
-NOTICE:  resource queue required -- using default resource queue "pg_default"
-GRANT pg_read_all_settings TO regress_user1;
-GRANT EXECUTE ON FUNCTION pg_file_write(text,text,bool) TO regress_user1;
-SET ROLE regress_user1;
-SELECT pg_file_write('../test_file0', 'test0', false);
-ERROR:  only superuser may access generic file functions
-=======
 CREATE ROLE regress_adminpack_user1;
+NOTICE:  resource queue required -- using default resource queue "pg_default"
 GRANT pg_read_all_settings TO regress_adminpack_user1;
 GRANT EXECUTE ON FUNCTION pg_file_write(text,text,bool) TO 
regress_adminpack_user1;
 SET ROLE regress_adminpack_user1;
 SELECT pg_file_write('../test_file0', 'test0', false);
 ERROR:  path must be in or below the data directory
->>>>>>> REL_16_9
 SELECT pg_file_write('/tmp/test_file0', 'test0', false);
 ERROR:  only superuser may access generic file functions
 SELECT pg_file_write(current_setting('data_directory') || '/test_file4', 
'test4', false);
 ERROR:  only superuser may access generic file functions
 SELECT pg_file_write(current_setting('data_directory') || '/../test_file4', 
'test4', false);
-<<<<<<< HEAD
-ERROR:  only superuser may access generic file functions
-=======
 ERROR:  absolute path not allowed
->>>>>>> REL_16_9
 RESET ROLE;
 REVOKE EXECUTE ON FUNCTION pg_file_write(text,text,bool) FROM 
regress_adminpack_user1;
 REVOKE pg_read_all_settings FROM regress_adminpack_user1;
@@ -163,14 +150,9 @@ SELECT pg_file_unlink('test_file4');
 (1 row)
 
 -- superuser checks
-<<<<<<< HEAD
-CREATE USER regress_user1;
-NOTICE:  resource queue required -- using default resource queue "pg_default"
-SET ROLE regress_user1;
-=======
 CREATE USER regress_adminpack_user1;
+NOTICE:  resource queue required -- using default resource queue "pg_default"
 SET ROLE regress_adminpack_user1;
->>>>>>> REL_16_9
 SELECT pg_file_write('test_file0', 'test0', false);
 ERROR:  permission denied for function pg_file_write
 SELECT pg_file_sync('test_file0');
@@ -183,67 +165,6 @@ ERROR:  permission denied for function pg_file_unlink
 SELECT pg_logdir_ls();
 ERROR:  permission denied for function pg_logdir_ls
 RESET ROLE;
-<<<<<<< HEAD
-DROP USER regress_user1;
--- allowed file paths for superuser test
-CREATE ROLE regress_superuser1 SUPERUSER;
-GRANT pg_read_all_settings TO regress_superuser1;
-GRANT EXECUTE ON FUNCTION pg_file_write(text,text,bool) TO regress_superuser1;
-SET ROLE regress_superuser1;
-SELECT pg_file_write('../supper_test_file0', 'test0', false);
- pg_file_write 
----------------
-             5
-(1 row)
-
-SELECT pg_file_write('/tmp/supper_test_file0', 'test0', false);
- pg_file_write 
----------------
-             5
-(1 row)
-
-SELECT pg_file_write(current_setting('data_directory') || 
'/supper_test_file4', 'test4', false);
- pg_file_write 
----------------
-             5
-(1 row)
-
-SELECT pg_file_write(current_setting('data_directory') || 
'/../supper_test_file4', 'test4', false);
- pg_file_write 
----------------
-             5
-(1 row)
-
-SELECT pg_file_unlink('../supper_test_file0');
- pg_file_unlink 
-----------------
- t
-(1 row)
-
-SELECT pg_file_unlink('/tmp/supper_test_file0');
- pg_file_unlink 
-----------------
- t
-(1 row)
-
-SELECT pg_file_unlink(current_setting('data_directory') || 
'/supper_test_file4');
- pg_file_unlink 
-----------------
- t
-(1 row)
-
-SELECT pg_file_unlink(current_setting('data_directory') || 
'/../supper_test_file4');
- pg_file_unlink 
-----------------
- t
-(1 row)
-
-RESET ROLE;
-REVOKE EXECUTE ON FUNCTION pg_file_write(text,text,bool) FROM 
regress_superuser1;
-REVOKE pg_read_all_settings FROM regress_superuser1;
-DROP ROLE regress_superuser1;
-=======
 DROP USER regress_adminpack_user1;
->>>>>>> REL_16_9
 -- no further tests for pg_logdir_ls() because it depends on the
 -- server's logging setup
diff --git a/contrib/amcheck/expected/check_btree.out 
b/contrib/amcheck/expected/check_btree.out
index a115ae0de78..7c7fbcdfc7d 100644
--- a/contrib/amcheck/expected/check_btree.out
+++ b/contrib/amcheck/expected/check_btree.out
@@ -33,6 +33,7 @@ GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO 
regress_bttest_role;
 GRANT EXECUTE ON FUNCTION bt_index_parent_check(regclass) TO 
regress_bttest_role;
 GRANT EXECUTE ON FUNCTION bt_index_check(regclass, boolean) TO 
regress_bttest_role;
 GRANT EXECUTE ON FUNCTION bt_index_parent_check(regclass, boolean) TO 
regress_bttest_role;
+GRANT CREATE ON SCHEMA public TO regress_bttest_role;
 SET ROLE regress_bttest_role;
 SELECT bt_index_check('bttest_a_idx');
  bt_index_check 
diff --git a/contrib/amcheck/sql/check_btree.sql 
b/contrib/amcheck/sql/check_btree.sql
index e2f47fcfbe1..bc2224ea49d 100644
--- a/contrib/amcheck/sql/check_btree.sql
+++ b/contrib/amcheck/sql/check_btree.sql
@@ -33,6 +33,7 @@ GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO 
regress_bttest_role;
 GRANT EXECUTE ON FUNCTION bt_index_parent_check(regclass) TO 
regress_bttest_role;
 GRANT EXECUTE ON FUNCTION bt_index_check(regclass, boolean) TO 
regress_bttest_role;
 GRANT EXECUTE ON FUNCTION bt_index_parent_check(regclass, boolean) TO 
regress_bttest_role;
+GRANT CREATE ON SCHEMA public TO regress_bttest_role;
 SET ROLE regress_bttest_role;
 SELECT bt_index_check('bttest_a_idx');
 SELECT bt_index_parent_check('bttest_a_idx');
diff --git a/contrib/amcheck/t/001_verify_heapam.pl 
b/contrib/amcheck/t/001_verify_heapam.pl
index c189c3dedfa..46d5b53181e 100644
--- a/contrib/amcheck/t/001_verify_heapam.pl
+++ b/contrib/amcheck/t/001_verify_heapam.pl
@@ -7,11 +7,7 @@ use warnings;
 use PostgreSQL::Test::Cluster;
 use PostgreSQL::Test::Utils;
 
-<<<<<<< HEAD
-use Test::More tests => 80;
-=======
 use Test::More;
->>>>>>> REL_16_9
 
 my ($node, $result);
 
diff --git a/contrib/amcheck/t/002_cic.pl b/contrib/amcheck/t/002_cic.pl
index 2b766400a12..42a047a3571 100644
--- a/contrib/amcheck/t/002_cic.pl
+++ b/contrib/amcheck/t/002_cic.pl
@@ -1,43 +1,24 @@
 
-<<<<<<< HEAD
-# Copyright (c) 2021, PostgreSQL Global Development Group
-=======
 # Copyright (c) 2021-2023, PostgreSQL Global Development Group
->>>>>>> REL_16_9
 
 # Test CREATE INDEX CONCURRENTLY with concurrent modifications
 use strict;
 use warnings;
 
-<<<<<<< HEAD
-use Config;
-use PostgresNode;
-use TestLib;
-
-use Test::More tests => 3;
-=======
 use PostgreSQL::Test::Cluster;
 use PostgreSQL::Test::Utils;
 
 use Test::More;
->>>>>>> REL_16_9
 
 my ($node, $result);
 
 #
 # Test set-up
 #
-<<<<<<< HEAD
-$node = get_new_node('CIC_test');
-$node->init;
-$node->append_conf('postgresql.conf',
-       'lock_timeout = ' . (1000 * $TestLib::timeout_default));
-=======
 $node = PostgreSQL::Test::Cluster->new('CIC_test');
 $node->init;
 $node->append_conf('postgresql.conf',
        'lock_timeout = ' . (1000 * $PostgreSQL::Test::Utils::timeout_default));
->>>>>>> REL_16_9
 $node->start;
 $node->safe_psql('postgres', q(CREATE EXTENSION amcheck));
 $node->safe_psql('postgres', q(CREATE TABLE tbl(i int)));
diff --git a/contrib/amcheck/t/003_cic_2pc.pl b/contrib/amcheck/t/003_cic_2pc.pl
index 1295dcd4cdb..3279a2505a3 100644
--- a/contrib/amcheck/t/003_cic_2pc.pl
+++ b/contrib/amcheck/t/003_cic_2pc.pl
@@ -1,24 +1,10 @@
 
-<<<<<<< HEAD
-# Copyright (c) 2021, PostgreSQL Global Development Group
-=======
 # Copyright (c) 2021-2023, PostgreSQL Global Development Group
->>>>>>> REL_16_9
 
 # Test CREATE INDEX CONCURRENTLY with concurrent prepared-xact modifications
 use strict;
 use warnings;
 
-<<<<<<< HEAD
-use Config;
-use PostgresNode;
-use TestLib;
-
-use Test::More tests => 5;
-
-Test::More->builder->todo_start('filesystem bug')
-  if TestLib::has_wal_read_bug;
-=======
 use PostgreSQL::Test::Cluster;
 use PostgreSQL::Test::Utils;
 
@@ -26,26 +12,17 @@ use Test::More;
 
 Test::More->builder->todo_start('filesystem bug')
   if PostgreSQL::Test::Utils::has_wal_read_bug;
->>>>>>> REL_16_9
 
 my ($node, $result);
 
 #
 # Test set-up
 #
-<<<<<<< HEAD
-$node = get_new_node('CIC_2PC_test');
-$node->init;
-$node->append_conf('postgresql.conf', 'max_prepared_transactions = 10');
-$node->append_conf('postgresql.conf',
-       'lock_timeout = ' . (1000 * $TestLib::timeout_default));
-=======
 $node = PostgreSQL::Test::Cluster->new('CIC_2PC_test');
 $node->init;
 $node->append_conf('postgresql.conf', 'max_prepared_transactions = 10');
 $node->append_conf('postgresql.conf',
        'lock_timeout = ' . (1000 * $PostgreSQL::Test::Utils::timeout_default));
->>>>>>> REL_16_9
 $node->start;
 $node->safe_psql('postgres', q(CREATE EXTENSION amcheck));
 $node->safe_psql('postgres', q(CREATE TABLE tbl(i int)));
@@ -59,65 +36,6 @@ $node->safe_psql('postgres', q(CREATE TABLE tbl(i int)));
 # statements.
 #
 
-<<<<<<< HEAD
-my $main_in    = '';
-my $main_out   = '';
-my $main_timer = IPC::Run::timeout($TestLib::timeout_default);
-
-my $main_h =
-  $node->background_psql('postgres', \$main_in, \$main_out,
-       $main_timer, on_error_stop => 1);
-$main_in .= q(
-BEGIN;
-INSERT INTO tbl VALUES(0);
-\echo syncpoint1
-);
-pump $main_h until $main_out =~ /syncpoint1/ || $main_timer->is_expired;
-
-my $cic_in    = '';
-my $cic_out   = '';
-my $cic_timer = IPC::Run::timeout($TestLib::timeout_default);
-my $cic_h =
-  $node->background_psql('postgres', \$cic_in, \$cic_out,
-       $cic_timer, on_error_stop => 1);
-$cic_in .= q(
-\echo start
-CREATE INDEX CONCURRENTLY idx ON tbl(i);
-);
-pump $cic_h until $cic_out =~ /start/ || $cic_timer->is_expired;
-
-$main_in .= q(
-PREPARE TRANSACTION 'a';
-);
-
-$main_in .= q(
-BEGIN;
-INSERT INTO tbl VALUES(0);
-\echo syncpoint2
-);
-pump $main_h until $main_out =~ /syncpoint2/ || $main_timer->is_expired;
-
-$node->safe_psql('postgres', q(COMMIT PREPARED 'a';));
-
-$main_in .= q(
-PREPARE TRANSACTION 'b';
-BEGIN;
-INSERT INTO tbl VALUES(0);
-\echo syncpoint3
-);
-pump $main_h until $main_out =~ /syncpoint3/ || $main_timer->is_expired;
-
-$node->safe_psql('postgres', q(COMMIT PREPARED 'b';));
-
-$main_in .= q(
-PREPARE TRANSACTION 'c';
-COMMIT PREPARED 'c';
-);
-$main_h->pump_nb;
-
-$main_h->finish;
-$cic_h->finish;
-=======
 my $main_h = $node->background_psql('postgres');
 
 $main_h->query_safe(
@@ -164,7 +82,6 @@ COMMIT PREPARED 'c';
 
 $main_h->quit;
 $cic_h->quit;
->>>>>>> REL_16_9
 
 $result = $node->psql('postgres', q(SELECT bt_index_check('idx',true)));
 is($result, '0', 'bt_index_check after overlapping 2PC');
@@ -185,24 +102,6 @@ PREPARE TRANSACTION 'persists_forever';
 ));
 $node->restart;
 
-<<<<<<< HEAD
-my $reindex_in  = '';
-my $reindex_out = '';
-my $reindex_timer =
-  IPC::Run::timeout($TestLib::timeout_default);
-my $reindex_h =
-  $node->background_psql('postgres', \$reindex_in, \$reindex_out,
-       $reindex_timer, on_error_stop => 1);
-$reindex_in .= q(
-\echo start
-DROP INDEX CONCURRENTLY idx;
-CREATE INDEX CONCURRENTLY idx ON tbl(i);
-);
-pump $reindex_h until $reindex_out =~ /start/ || $reindex_timer->is_expired;
-
-$node->safe_psql('postgres', "COMMIT PREPARED 'spans_restart'");
-$reindex_h->finish;
-=======
 my $reindex_h = $node->background_psql('postgres');
 $reindex_h->query_until(
        qr/start/, q(
@@ -213,7 +112,6 @@ CREATE INDEX CONCURRENTLY idx ON tbl(i);
 
 $node->safe_psql('postgres', "COMMIT PREPARED 'spans_restart'");
 $reindex_h->quit;
->>>>>>> REL_16_9
 $result = $node->psql('postgres', q(SELECT bt_index_check('idx',true)));
 is($result, '0', 'bt_index_check after 2PC and restart');
 
diff --git a/contrib/auto_explain/expected/auto_explain.out 
b/contrib/auto_explain/expected/auto_explain.out
index 0560cfb25be..e3a1ac07c1a 100644
--- a/contrib/auto_explain/expected/auto_explain.out
+++ b/contrib/auto_explain/expected/auto_explain.out
@@ -38,7 +38,6 @@ Query Text: SELECT relname FROM pg_class WHERE 
relname='pg_class';
 Index Only Scan using pg_class_relname_nsp_index on pg_class  (cost=0.15..4.17 
rows=1 width=64) (actual rows=1 loops=1)
   Index Cond: (relname = 'pg_class'::name)
   Heap Fetches: 1
-Optimizer: Postgres-based planner
   (slice0)    Executor memory: 105K bytes.
 Memory used:  128000kB
  relname  
@@ -58,7 +57,6 @@ Finalize Aggregate  (cost=35148.64..35148.65 rows=1 width=8) 
(actual rows=1 loop
                     ->  Materialize  (cost=0.00..68.06 rows=1001 width=0) 
(actual rows=1001 loops=340)
                           ->  Broadcast Motion 3:3  (slice2; segments: 3)  
(cost=0.00..53.05 rows=1001 width=0) (actual rows=1001 loops=1)
                                 ->  Seq Scan on t2  (cost=0.00..13.01 rows=334 
width=0) (actual rows=340 loops=1)
-Optimizer: Postgres-based planner
   (slice0)    Executor memory: 131K bytes.
   (slice1)    Executor memory: 152K bytes avg x 3 workers, 152K bytes max 
(seg0).
   (slice2)    Executor memory: 42K bytes avg x 3 workers, 42K bytes max (seg0).
@@ -100,7 +98,6 @@ Finalize Aggregate  (cost=35148.64..35148.65 rows=1 width=8) 
(actual rows=1 loop
                           work_mem: 142kB  Segments: 3  Max: 48kB (segment 0)  
Workfile: (0 spilling)
                           ->  Broadcast Motion 3:3  (slice2; segments: 3)  
(cost=0.00..53.05 rows=1001 width=0) (actual rows=1001 loops=1)
                                 ->  Seq Scan on auto_explain_test.t2  
(cost=0.00..13.01 rows=334 width=0) (actual rows=340 loops=1)
-Optimizer: Postgres-based planner
 Settings: enable_nestloop = 'on', optimizer = 'off'
   (slice0)    Executor memory: 131K bytes.
   (slice1)    Executor memory: 152K bytes avg x 3 workers, 152K bytes max 
(seg0).
diff --git a/contrib/auto_explain/t/001_auto_explain.pl 
b/contrib/auto_explain/t/001_auto_explain.pl
index 8e13732aa94..abb422f8de6 100644
--- a/contrib/auto_explain/t/001_auto_explain.pl
+++ b/contrib/auto_explain/t/001_auto_explain.pl
@@ -4,19 +4,9 @@
 use strict;
 use warnings;
 
-<<<<<<< HEAD
-use PostgresNode;
-use TestLib;
-use Test::More tests => 0 + 1;
-
-SKIP:
-{
-       skip "auto_explain is only expected to run on QD, skip test for utility 
mode", 1;
-=======
 use PostgreSQL::Test::Cluster;
 use PostgreSQL::Test::Utils;
 use Test::More;
->>>>>>> REL_16_9
 
 # Runs the specified query and returns the emitted server log.
 # params is an optional hash mapping GUC names to values;
@@ -181,9 +171,6 @@ like(
        $log_contents,
        qr/"Node Type": "Index Scan"[^}]*"Index Name": 
"pg_class_relname_nsp_index"/s,
        "index scan logged, json mode");
-<<<<<<< HEAD
-}
-=======
 
 # Check that PGC_SUSET parameters can be set by non-superuser if granted,
 # otherwise not
@@ -226,4 +213,3 @@ DROP USER regress_user1;
 });
 
 done_testing();
->>>>>>> REL_16_9
diff --git a/contrib/bloom/t/001_wal.pl b/contrib/bloom/t/001_wal.pl
index 0a54452bdcf..c1614e9be86 100644
--- a/contrib/bloom/t/001_wal.pl
+++ b/contrib/bloom/t/001_wal.pl
@@ -4,26 +4,9 @@
 # Test generic xlog record work for bloom index replication.
 use strict;
 use warnings;
-<<<<<<< HEAD
-use PostgresNode;
-use TestLib;
-use Test::More;
-
-if (TestLib::has_wal_read_bug)
-{
-       # We'd prefer to use Test::More->builder->todo_start, but the bug causes
-       # this test file to die(), not merely to fail.
-       plan skip_all => 'filesystem bug';
-}
-else
-{
-       plan tests => 31;
-}
-=======
 use PostgreSQL::Test::Cluster;
 use PostgreSQL::Test::Utils;
 use Test::More;
->>>>>>> REL_16_9
 
 my $node_primary;
 my $node_standby;
diff --git a/contrib/btree_gist/expected/bool.out 
b/contrib/btree_gist/expected/bool.out
index 29390f079c0..bd931c66e9a 100644
--- a/contrib/btree_gist/expected/bool.out
+++ b/contrib/btree_gist/expected/bool.out
@@ -70,9 +70,10 @@ EXPLAIN (COSTS OFF)
 SELECT * FROM booltmp WHERE a;
                 QUERY PLAN                
 ------------------------------------------
- Index Only Scan using boolidx on booltmp
-   Index Cond: (a = true)
-(2 rows)
+ Gather Motion 1:1  (slice1; segments: 1)
+   ->  Index Only Scan using boolidx on booltmp
+         Index Cond: (a = true)
+(3 rows)
 
 SELECT * FROM booltmp WHERE a;
  a 
@@ -84,9 +85,10 @@ EXPLAIN (COSTS OFF)
 SELECT * FROM booltmp WHERE NOT a;
                 QUERY PLAN                
 ------------------------------------------
- Index Only Scan using boolidx on booltmp
-   Index Cond: (a = false)
-(2 rows)
+ Gather Motion 1:1  (slice1; segments: 1)
+   ->  Index Only Scan using boolidx on booltmp
+         Index Cond: (a = false)
+(3 rows)
 
 SELECT * FROM booltmp WHERE NOT a;
  a 
diff --git a/contrib/btree_gist/expected/inet.out 
b/contrib/btree_gist/expected/inet.out
index 6e4a3a67300..7d7366408e5 100644
--- a/contrib/btree_gist/expected/inet.out
+++ b/contrib/btree_gist/expected/inet.out
@@ -92,7 +92,7 @@ SELECT count(*) FROM inettmp WHERE a  = 
'89.225.196.191'::inet;
 ----------------------------------------------------------
  Aggregate
    ->  Gather Motion 1:1  (slice1; segments: 1)
-         ->  Index Scan using inettmp_a_a1_idx on inettmp
+         ->  Index Only Scan using inettmp_a_a1_idx on inettmp
                Index Cond: (a = '89.225.196.191'::inet)
  Optimizer: Postgres query optimizer
 (5 rows)
diff --git a/contrib/file_fdw/expected/.gitignore 
b/contrib/file_fdw/expected/.gitignore
deleted file mode 100644
index 0273f9754f1..00000000000
--- a/contrib/file_fdw/expected/.gitignore
+++ /dev/null
@@ -1,5 +0,0 @@
-/file_fdw.out
-/gp_file_fdw.out
-
-/file_fdw_optimizer.out
-/gp_file_fdw_optimizer.out
diff --git a/contrib/file_fdw/expected/file_fdw.out 
b/contrib/file_fdw/expected/file_fdw.out
index f5277ebc8b2..ecba3f0671d 100644
--- a/contrib/file_fdw/expected/file_fdw.out
+++ b/contrib/file_fdw/expected/file_fdw.out
@@ -56,11 +56,7 @@ ERROR:  COPY format "xml" not recognized
 CREATE FOREIGN TABLE tbl () SERVER file_server OPTIONS (format 'text', quote 
':');          -- ERROR
 ERROR:  COPY quote available only in CSV mode
 CREATE FOREIGN TABLE tbl () SERVER file_server OPTIONS (format 'binary', 
header 'true');    -- ERROR
-<<<<<<< HEAD:contrib/file_fdw/output/file_fdw.source
-ERROR:  COPY cannot specify HEADER in BINARY mode
-=======
 ERROR:  cannot specify HEADER in BINARY mode
->>>>>>> REL_16_9:contrib/file_fdw/expected/file_fdw.out
 CREATE FOREIGN TABLE tbl () SERVER file_server OPTIONS (format 'binary', quote 
':');        -- ERROR
 ERROR:  COPY quote available only in CSV mode
 CREATE FOREIGN TABLE tbl () SERVER file_server OPTIONS (format 'text', 
delimiter 'a');      -- ERROR
@@ -212,13 +208,8 @@ CONTEXT:  COPY agg_bad, line 3, column b: "aaa"
 SELECT explain_filter('EXPLAIN (VERBOSE, COSTS FALSE) SELECT * FROM agg_csv');
  Foreign Scan on public.agg_csv
    Output: a, b
-<<<<<<< HEAD:contrib/file_fdw/output/file_fdw.source
-   Foreign File: @abs_srcdir@/data/agg.csv
- Optimizer: Postgres query optimizer
- Settings: optimizer=off
-=======
    Foreign File: .../agg.csv
->>>>>>> REL_16_9:contrib/file_fdw/expected/file_fdw.out
+ Optimizer: Postgres query optimizer
 
 \t off
 PREPARE st(int) AS SELECT * FROM agg_csv WHERE a = $1;
@@ -267,20 +258,11 @@ COPY agg_csv FROM STDIN;
 ERROR:  cannot insert into foreign table "agg_csv"
 -- constraint exclusion tests
 \t on
-<<<<<<< HEAD:contrib/file_fdw/output/file_fdw.source
-EXPLAIN (VERBOSE, COSTS FALSE) SELECT * FROM agg_csv WHERE a < 0;
+SELECT explain_filter('EXPLAIN (VERBOSE, COSTS FALSE) SELECT * FROM agg_csv 
WHERE a < 0');
  Result
    Output: a, b
    One-Time Filter: false
  Optimizer: Postgres query optimizer
- Settings: optimizer=off
-=======
-SELECT explain_filter('EXPLAIN (VERBOSE, COSTS FALSE) SELECT * FROM agg_csv 
WHERE a < 0');
- Foreign Scan on public.agg_csv
-   Output: a, b
-   Filter: (agg_csv.a < 0)
-   Foreign File: .../agg.csv
->>>>>>> REL_16_9:contrib/file_fdw/expected/file_fdw.out
 
 \t off
 SELECT * FROM agg_csv WHERE a < 0;
@@ -489,13 +471,8 @@ SELECT explain_filter('EXPLAIN (VERBOSE, COSTS FALSE) 
SELECT * FROM agg_text WHE
  Foreign Scan on public.agg_text
    Output: a, b
    Filter: (agg_text.a > 0)
-<<<<<<< HEAD:contrib/file_fdw/output/file_fdw.source
-   Foreign File: @abs_srcdir@/data/agg.data
- Optimizer: Postgres query optimizer
- Settings: optimizer=off
-=======
    Foreign File: .../agg.data
->>>>>>> REL_16_9:contrib/file_fdw/expected/file_fdw.out
+ Optimizer: Postgres query optimizer
 
 \t off
 -- file FDW allows foreign tables to be accessed without user mapping
diff --git a/contrib/file_fdw/expected/file_fdw_optimizer.source 
b/contrib/file_fdw/expected/file_fdw_optimizer.out
similarity index 99%
rename from contrib/file_fdw/expected/file_fdw_optimizer.source
rename to contrib/file_fdw/expected/file_fdw_optimizer.out
index e2349f7876b..1cbf51cdbe5 100644
--- a/contrib/file_fdw/expected/file_fdw_optimizer.source
+++ b/contrib/file_fdw/expected/file_fdw_optimizer.out
@@ -1,6 +1,8 @@
 --
 -- Test foreign-data wrapper file_fdw.
 --
+-- directory paths are passed to us in environment variables
+\getenv abs_srcdir PG_ABS_SRCDIR
 -- Clean up in case a prior regression run failed
 SET client_min_messages TO 'warning';
 SET optimizer_trace_fallback = on;
diff --git a/contrib/file_fdw/expected/gp_file_fdw.source 
b/contrib/file_fdw/expected/gp_file_fdw.out
similarity index 91%
rename from contrib/file_fdw/expected/gp_file_fdw.source
rename to contrib/file_fdw/expected/gp_file_fdw.out
index b712377fb3f..574d49e8f9c 100644
--- a/contrib/file_fdw/expected/gp_file_fdw.source
+++ b/contrib/file_fdw/expected/gp_file_fdw.out
@@ -1,6 +1,8 @@
 --
 -- Test foreign-data wrapper file_fdw. Apache Cloudberry MPP specific
 --
+-- directory paths are passed to us in environment variables
+\getenv abs_srcdir PG_ABS_SRCDIR
 -- Clean up in case a prior regression run failed
 SET client_min_messages TO 'error';
 SET optimizer_trace_fallback = on;
@@ -19,16 +21,18 @@ ERROR:  invalid option "mpp_execute"
 HINT:  There are no valid options in this context.
 CREATE USER MAPPING FOR file_fdw_superuser SERVER file_server;
 -- MPP tests
+\set filename :abs_srcdir '/data/text.csv'
 CREATE FOREIGN TABLE text_csv_any (
     word1 text, word2 text
 ) SERVER file_server
-OPTIONS (format 'csv', filename '@abs_srcdir@/data/text.csv', mpp_execute 
'any');
+OPTIONS (format 'csv', filename :'filename', mpp_execute 'any');
 SELECT * FROM text_csv_any;
 ERROR:  file_fdw does not support mpp_execute option 'any'
+\set filename_segid :abs_srcdir '/data/text<SEGID>.csv'
 CREATE FOREIGN TABLE text_csv_all (
     word1 text, word2 text
 ) SERVER file_server
-OPTIONS (format 'csv', filename '@abs_srcdir@/data/text<SEGID>.csv', 
mpp_execute 'all segments');
+OPTIONS (format 'csv', filename :'filename_segid', mpp_execute 'all segments');
 EXPLAIN SELECT * FROM text_csv_all ORDER BY word1;
                                            QUERY PLAN                          
                 
 
------------------------------------------------------------------------------------------------
@@ -49,16 +53,18 @@ SELECT * FROM text_csv_all ORDER BY word1;
  FOO   | bar
 (3 rows)
 
+\set filename :abs_srcdir '/data/text.csv'
 CREATE FOREIGN TABLE text_csv_any_from_server (
     word1 text, word2 text
 ) SERVER file_server
-OPTIONS (format 'csv', filename '@abs_srcdir@/data/text.csv');
+OPTIONS (format 'csv', filename :'filename');
 SELECT * FROM text_csv_any_from_server;
 ERROR:  file_fdw does not support mpp_execute option 'any'
+\set filename :abs_srcdir '/data/text.csv'
 CREATE FOREIGN TABLE text_csv_coordinator (
     word1 text, word2 text, a int, b int
 ) SERVER file_server
-OPTIONS (format 'csv', filename '@abs_srcdir@/data/text.csv', mpp_execute 
'coordinator');
+OPTIONS (format 'csv', filename :'filename', mpp_execute 'coordinator');
 -- Test append works both ways and generates valid plans. Should be able to 
execute
 -- coordinator fdw on coordinator under redistribute
 explain select word1 from text_csv_coordinator union all select word1 from 
text_csv_all;
diff --git a/contrib/file_fdw/expected/gp_file_fdw_optimizer.source 
b/contrib/file_fdw/expected/gp_file_fdw_optimizer.out
similarity index 100%
rename from contrib/file_fdw/expected/gp_file_fdw_optimizer.source
rename to contrib/file_fdw/expected/gp_file_fdw_optimizer.out
diff --git a/contrib/file_fdw/sql/.gitignore b/contrib/file_fdw/sql/.gitignore
deleted file mode 100644
index ca2b46d302c..00000000000
--- a/contrib/file_fdw/sql/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/file_fdw.sql
-/gp_file_fdw.sql
diff --git a/contrib/file_fdw/sql/gp_file_fdw.source 
b/contrib/file_fdw/sql/gp_file_fdw.sql
similarity index 80%
rename from contrib/file_fdw/sql/gp_file_fdw.source
rename to contrib/file_fdw/sql/gp_file_fdw.sql
index b4a2c198b7f..9da7e4969d8 100644
--- a/contrib/file_fdw/sql/gp_file_fdw.source
+++ b/contrib/file_fdw/sql/gp_file_fdw.sql
@@ -2,6 +2,9 @@
 -- Test foreign-data wrapper file_fdw. Apache Cloudberry MPP specific
 --
 
+-- directory paths are passed to us in environment variables
+\getenv abs_srcdir PG_ABS_SRCDIR
+
 -- Clean up in case a prior regression run failed
 SET client_min_messages TO 'error';
 SET optimizer_trace_fallback = on;
@@ -23,26 +26,33 @@ CREATE USER MAPPING FOR file_fdw_superuser SERVER 
file_server OPTIONS (mpp_execu
 CREATE USER MAPPING FOR file_fdw_superuser SERVER file_server;
 
 -- MPP tests
+\set filename :abs_srcdir '/data/text.csv'
 CREATE FOREIGN TABLE text_csv_any (
     word1 text, word2 text
 ) SERVER file_server
-OPTIONS (format 'csv', filename '@abs_srcdir@/data/text.csv', mpp_execute 
'any');
+OPTIONS (format 'csv', filename :'filename', mpp_execute 'any');
 SELECT * FROM text_csv_any;
+
+\set filename_segid :abs_srcdir '/data/text<SEGID>.csv'
 CREATE FOREIGN TABLE text_csv_all (
     word1 text, word2 text
 ) SERVER file_server
-OPTIONS (format 'csv', filename '@abs_srcdir@/data/text<SEGID>.csv', 
mpp_execute 'all segments');
+OPTIONS (format 'csv', filename :'filename_segid', mpp_execute 'all segments');
 EXPLAIN SELECT * FROM text_csv_all ORDER BY word1;
 SELECT * FROM text_csv_all ORDER BY word1;
+
+\set filename :abs_srcdir '/data/text.csv'
 CREATE FOREIGN TABLE text_csv_any_from_server (
     word1 text, word2 text
 ) SERVER file_server
-OPTIONS (format 'csv', filename '@abs_srcdir@/data/text.csv');
+OPTIONS (format 'csv', filename :'filename');
 SELECT * FROM text_csv_any_from_server;
+
+\set filename :abs_srcdir '/data/text.csv'
 CREATE FOREIGN TABLE text_csv_coordinator (
     word1 text, word2 text, a int, b int
 ) SERVER file_server
-OPTIONS (format 'csv', filename '@abs_srcdir@/data/text.csv', mpp_execute 
'coordinator');
+OPTIONS (format 'csv', filename :'filename', mpp_execute 'coordinator');
 
 -- Test append works both ways and generates valid plans. Should be able to 
execute
 -- coordinator fdw on coordinator under redistribute
diff --git a/contrib/intarray/expected/_int.out 
b/contrib/intarray/expected/_int.out
index 712004112fe..30e642765a6 100644
--- a/contrib/intarray/expected/_int.out
+++ b/contrib/intarray/expected/_int.out
@@ -933,6 +933,8 @@ CREATE TABLE more__int AS SELECT
       from unnest(a) u where u < 2000000000)
    END AS a, a as b
    FROM test__int;
+HINT:  The 'DISTRIBUTED BY' clause determines the distribution of data. Make 
sure column(s) chosen are the optimal data distribution key to minimize skew.
+NOTICE:  Table doesn't have 'DISTRIBUTED BY' clause -- Using column(s) named 
'b' as the Apache Cloudberry data distribution key for this table.
 CREATE INDEX ON more__int using gist (a gist__int_ops(numranges = 252));
 SELECT count(*) from more__int WHERE a && '{23,50}';
  count 
diff --git a/contrib/pageinspect/expected/btree.out 
b/contrib/pageinspect/expected/btree.out
index 6fa16930dff..fde12ec6bb8 100644
--- a/contrib/pageinspect/expected/btree.out
+++ b/contrib/pageinspect/expected/btree.out
@@ -1,10 +1,7 @@
-<<<<<<< HEAD
 -- start_matchsubs
 -- m/ERROR:  block number out of range.*/
 -- s/ERROR:  block number out of range.*/ERROR:  block number out of range/
 -- end_matchsubs
-=======
->>>>>>> REL_16_9
 CREATE TABLE test1 (a int8, b int4range);
 INSERT INTO test1 VALUES (72057594037927937, '[0,1)');
 CREATE INDEX test1_a_idx ON test1 USING btree (a);
diff --git a/contrib/pageinspect/expected/gist.out 
b/contrib/pageinspect/expected/gist.out
index 4d6351b4966..d1adbab8ae2 100644
--- a/contrib/pageinspect/expected/gist.out
+++ b/contrib/pageinspect/expected/gist.out
@@ -31,13 +31,6 @@ SELECT * FROM 
gist_page_opaque_info(get_raw_page('test_gist_idx', 2));
 
 COMMIT;
 SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 0), 
'test_gist_idx');
-<<<<<<< HEAD
- itemoffset |   ctid    | itemlen | dead |       keys        
-------------+-----------+---------+------+-------------------
-          1 | (1,65535) |      40 | f    | (p)=((669,669))
-          2 | (2,65535) |      40 | f    | (p)=((1000,1000))
-(2 rows)
-=======
  itemoffset |   ctid    | itemlen | dead |             keys              
 ------------+-----------+---------+------+-------------------------------
           1 | (1,65535) |      40 | f    | (p)=("(185,185),(1,1)")
@@ -47,7 +40,6 @@ SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 
0), 'test_gist_idx')
           5 | (5,65535) |      40 | f    | (p)=("(870,870),(741,741)")
           6 | (6,65535) |      40 | f    | (p)=("(1000,1000),(871,871)")
 (6 rows)
->>>>>>> REL_16_9
 
 SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 1), 
'test_gist_idx') LIMIT 5;
  itemoffset | ctid  | itemlen | dead |        keys         
@@ -66,18 +58,6 @@ SELECT itemoffset, ctid, itemlen FROM 
gist_page_items_bytea(get_raw_page('test_g
 ------------+-----------+---------
           1 | (1,65535) |      40
           2 | (2,65535) |      40
-<<<<<<< HEAD
-(2 rows)
-
--- Failure with non-GiST index.
-CREATE INDEX test_gist_btree on test_gist(t);
-SELECT gist_page_items(get_raw_page('test_gist_btree', 0), 'test_gist_btree');
-ERROR:  "test_gist_btree" is not a GiST index
--- Failure with various modes.
--- Suppress the DETAIL message, to allow the tests to work across various
--- page sizes and architectures.
-\set VERBOSITY terse
-=======
           3 | (3,65535) |      40
           4 | (4,65535) |      40
           5 | (5,65535) |      40
@@ -94,7 +74,6 @@ ERROR:  "test_gist_btree" is not a GiST index
 SELECT gist_page_items(get_raw_page('test_gist_btree', 0), 'test_gist_idx');
 ERROR:  input page is not a valid GiST page
 -- Failure with various modes.
->>>>>>> REL_16_9
 -- invalid page size
 SELECT gist_page_items_bytea('aaa'::bytea);
 ERROR:  invalid page size
@@ -127,8 +106,6 @@ SELECT gist_page_opaque_info(decode(repeat('00', 
:block_size), 'hex'));
 -----------------------
  
 (1 row)
-<<<<<<< HEAD
-=======
 
 -- Test gist_page_items with included columns.
 -- Non-leaf pages contain only the key attributes, and leaf pages contain
@@ -152,6 +129,5 @@ SELECT keys AS keys_leaf_1
 ------------------------------------------------------
  (p) INCLUDE (t, i)=("(1,1),(1,1)") INCLUDE (1, null)
 (1 row)
->>>>>>> REL_16_9
 
 DROP TABLE test_gist;
diff --git a/contrib/pageinspect/expected/page.out 
b/contrib/pageinspect/expected/page.out
index 93d7e7d84e4..24f7c257166 100644
--- a/contrib/pageinspect/expected/page.out
+++ b/contrib/pageinspect/expected/page.out
@@ -241,8 +241,6 @@ SELECT page_checksum(decode(repeat('00', :block_size), 
'hex'), 1);
               
 (1 row)
 
-<<<<<<< HEAD
-=======
 -- tests for sequences
 create sequence test_sequence start 72057594037927937;
 select tuple_data_split('test_sequence'::regclass, t_data, t_infomask, 
t_infomask2, t_bits)
@@ -253,4 +251,3 @@ select tuple_data_split('test_sequence'::regclass, t_data, 
t_infomask, t_infomas
 (1 row)
 
 drop sequence test_sequence;
->>>>>>> REL_16_9
diff --git a/contrib/pageinspect/sql/brin.sql b/contrib/pageinspect/sql/brin.sql
index 540c3a83fc6..96b4645187e 100644
--- a/contrib/pageinspect/sql/brin.sql
+++ b/contrib/pageinspect/sql/brin.sql
@@ -15,14 +15,6 @@ SELECT * FROM brin_revmap_data(get_raw_page('test1_a_idx', 
1)) LIMIT 5;
 SELECT * FROM brin_page_items(get_raw_page('test1_a_idx', 2), 'test1_a_idx')
     ORDER BY blknum, attnum LIMIT 5;
 
-<<<<<<< HEAD
--- Failure for non-BRIN index.
-CREATE INDEX test1_a_btree ON test1 (a);
-SELECT brin_page_items(get_raw_page('test1_a_btree', 0), 'test1_a_btree');
-
--- Mask DETAIL messages as these are not portable across architectures.
-\set VERBOSITY terse
-=======
 -- Mask DETAIL messages as these are not portable across architectures.
 \set VERBOSITY terse
 
@@ -31,7 +23,6 @@ CREATE INDEX test1_a_btree ON test1 (a);
 SELECT brin_page_items(get_raw_page('test1_a_btree', 0), 'test1_a_btree');
 SELECT brin_page_items(get_raw_page('test1_a_btree', 0), 'test1_a_idx');
 
->>>>>>> REL_16_9
 -- Invalid special area size
 SELECT brin_page_type(get_raw_page('test1', 0));
 SELECT * FROM brin_metapage_info(get_raw_page('test1', 0));
diff --git a/contrib/pageinspect/sql/btree.sql 
b/contrib/pageinspect/sql/btree.sql
index 712fe387a68..aeeac0c35c3 100644
--- a/contrib/pageinspect/sql/btree.sql
+++ b/contrib/pageinspect/sql/btree.sql
@@ -1,10 +1,7 @@
-<<<<<<< HEAD
 -- start_matchsubs
 -- m/ERROR:  block number out of range.*/
 -- s/ERROR:  block number out of range.*/ERROR:  block number out of range/
 -- end_matchsubs
-=======
->>>>>>> REL_16_9
 CREATE TABLE test1 (a int8, b int4range);
 INSERT INTO test1 VALUES (72057594037927937, '[0,1)');
 CREATE INDEX test1_a_idx ON test1 USING btree (a);
diff --git a/contrib/pageinspect/sql/gist.sql b/contrib/pageinspect/sql/gist.sql
index 3598e550595..d263542ba15 100644
--- a/contrib/pageinspect/sql/gist.sql
+++ b/contrib/pageinspect/sql/gist.sql
@@ -26,16 +26,6 @@ SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 
1), 'test_gist_idx')
 -- platform-dependent (endianness), so omit the actual key data from the 
output.
 SELECT itemoffset, ctid, itemlen FROM 
gist_page_items_bytea(get_raw_page('test_gist_idx', 0));
 
-<<<<<<< HEAD
--- Failure with non-GiST index.
-CREATE INDEX test_gist_btree on test_gist(t);
-SELECT gist_page_items(get_raw_page('test_gist_btree', 0), 'test_gist_btree');
-
--- Failure with various modes.
--- Suppress the DETAIL message, to allow the tests to work across various
--- page sizes and architectures.
-\set VERBOSITY terse
-=======
 -- Suppress the DETAIL message, to allow the tests to work across various
 -- page sizes and architectures.
 \set VERBOSITY terse
@@ -46,7 +36,6 @@ SELECT gist_page_items(get_raw_page('test_gist_btree', 0), 
'test_gist_btree');
 SELECT gist_page_items(get_raw_page('test_gist_btree', 0), 'test_gist_idx');
 
 -- Failure with various modes.
->>>>>>> REL_16_9
 -- invalid page size
 SELECT gist_page_items_bytea('aaa'::bytea);
 SELECT gist_page_items('aaa'::bytea, 'test_gist_idx'::regclass);
@@ -63,8 +52,6 @@ SELECT gist_page_items_bytea(decode(repeat('00', 
:block_size), 'hex'));
 SELECT gist_page_items(decode(repeat('00', :block_size), 'hex'), 
'test_gist_idx'::regclass);
 SELECT gist_page_opaque_info(decode(repeat('00', :block_size), 'hex'));
 
-<<<<<<< HEAD
-=======
 -- Test gist_page_items with included columns.
 -- Non-leaf pages contain only the key attributes, and leaf pages contain
 -- the included attributes.
@@ -79,5 +66,4 @@ SELECT keys AS keys_leaf_1
   FROM gist_page_items(get_raw_page('test_gist_idx_inc', 1), 
'test_gist_idx_inc')
   WHERE itemoffset = 1;
 
->>>>>>> REL_16_9
 DROP TABLE test_gist;
diff --git a/contrib/pageinspect/sql/page.sql b/contrib/pageinspect/sql/page.sql
index e9e901bc91a..346e4ee142c 100644
--- a/contrib/pageinspect/sql/page.sql
+++ b/contrib/pageinspect/sql/page.sql
@@ -98,12 +98,9 @@ SHOW block_size \gset
 SELECT fsm_page_contents(decode(repeat('00', :block_size), 'hex'));
 SELECT page_header(decode(repeat('00', :block_size), 'hex'));
 SELECT page_checksum(decode(repeat('00', :block_size), 'hex'), 1);
-<<<<<<< HEAD
-=======
 
 -- tests for sequences
 create sequence test_sequence start 72057594037927937;
 select tuple_data_split('test_sequence'::regclass, t_data, t_infomask, 
t_infomask2, t_bits)
   from heap_page_items(get_raw_page('test_sequence', 0));
 drop sequence test_sequence;
->>>>>>> REL_16_9
diff --git a/contrib/passwordcheck/expected/passwordcheck.out 
b/contrib/passwordcheck/expected/passwordcheck.out
index cbaac017582..3b72c1ffb00 100644
--- a/contrib/passwordcheck/expected/passwordcheck.out
+++ b/contrib/passwordcheck/expected/passwordcheck.out
@@ -1,10 +1,6 @@
 LOAD 'passwordcheck';
-<<<<<<< HEAD
-CREATE USER regress_user1;
-NOTICE:  resource queue required -- using default resource queue "pg_default"
-=======
 CREATE USER regress_passwordcheck_user1;
->>>>>>> REL_16_9
+NOTICE:  resource queue required -- using default resource queue "pg_default"
 -- ok
 ALTER USER regress_passwordcheck_user1 PASSWORD 'a_nice_long_password';
 -- error: too short
diff --git a/contrib/pg_freespacemap/.gitignore 
b/contrib/pg_freespacemap/.gitignore
index abc19c32a3f..0f244a2217e 100644
--- a/contrib/pg_freespacemap/.gitignore
+++ b/contrib/pg_freespacemap/.gitignore
@@ -1,8 +1,5 @@
-<<<<<<< HEAD
 /pg_freespacemap.sql
-=======
 # Generated subdirectories
 /log/
 /results/
 /tmp_check/
->>>>>>> REL_16_9
diff --git a/contrib/pg_stat_statements/pg_stat_statements.c 
b/contrib/pg_stat_statements/pg_stat_statements.c
index f88baf0b019..20248f016bc 100644
--- a/contrib/pg_stat_statements/pg_stat_statements.c
+++ b/contrib/pg_stat_statements/pg_stat_statements.c
@@ -56,7 +56,6 @@
 #include "jit/jit.h"
 #include "mb/pg_wchar.h"
 #include "miscadmin.h"
-#include "nodes/queryjumble.h"
 #include "optimizer/planner.h"
 #include "parser/analyze.h"
 #include "parser/parsetree.h"
diff --git a/contrib/pg_trgm/expected/pg_trgm.out 
b/contrib/pg_trgm/expected/pg_trgm.out
index 6fd1903a07a..31f3a43a22e 100644
--- a/contrib/pg_trgm/expected/pg_trgm.out
+++ b/contrib/pg_trgm/expected/pg_trgm.out
@@ -5416,29 +5416,16 @@ SELECT similarity('Szczecin', 'Warsaw');
 EXPLAIN (COSTS OFF)
 SELECT DISTINCT city, similarity(city, 'Warsaw'), show_limit()
   FROM restaurants WHERE city % 'Warsaw';
-<<<<<<< HEAD
-                               QUERY PLAN                               
-------------------------------------------------------------------------
+                      QUERY PLAN                       
+-------------------------------------------------------
  Gather Motion 3:1  (slice1; segments: 3)
    ->  HashAggregate
-         Group Key: city, similarity(city, 'Warsaw'::text), '0.3'::real
+         Group Key: city, similarity(city, 'Warsaw'::text)
          ->  Bitmap Heap Scan on restaurants
                Recheck Cond: (city % 'Warsaw'::text)
                ->  Bitmap Index Scan on restaurants_city_idx
                      Index Cond: (city % 'Warsaw'::text)
- Optimizer: Postgres query optimizer
 (8 rows)
-=======
-                      QUERY PLAN                       
--------------------------------------------------------
- HashAggregate
-   Group Key: city, similarity(city, 'Warsaw'::text)
-   ->  Bitmap Heap Scan on restaurants
-         Recheck Cond: (city % 'Warsaw'::text)
-         ->  Bitmap Index Scan on restaurants_city_idx
-               Index Cond: (city % 'Warsaw'::text)
-(6 rows)
->>>>>>> REL_16_9
 
 SELECT set_limit(0.3);
  set_limit 
diff --git a/contrib/pgcrypto/expected/blowfish_1.out 
b/contrib/pgcrypto/expected/blowfish_1.out
index 422764db26d..e52abf1d299 100644
--- a/contrib/pgcrypto/expected/blowfish_1.out
+++ b/contrib/pgcrypto/expected/blowfish_1.out
@@ -1,100 +1,6 @@
 --
 -- Blowfish cipher
 --
-<<<<<<< HEAD
--- ensure consistent test output regardless of the default bytea format
-SET bytea_output TO escape;
--- some standard Blowfish testvalues
-SELECT encode(encrypt(
-decode('0000000000000000', 'hex'),
-decode('0000000000000000', 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-SELECT encode(encrypt(
-decode('ffffffffffffffff', 'hex'),
-decode('ffffffffffffffff', 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-SELECT encode(encrypt(
-decode('1000000000000001', 'hex'),
-decode('3000000000000000', 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-SELECT encode(encrypt(
-decode('1111111111111111', 'hex'),
-decode('1111111111111111', 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-SELECT encode(encrypt(
-decode('0123456789abcdef', 'hex'),
-decode('fedcba9876543210', 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-SELECT encode(encrypt(
-decode('01a1d6d039776742', 'hex'),
-decode('fedcba9876543210', 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-SELECT encode(encrypt(
-decode('ffffffffffffffff', 'hex'),
-decode('0000000000000000', 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- setkey
-SELECT encode(encrypt(
-decode('fedcba9876543210', 'hex'),
-decode('f0e1d2c3b4a5968778695a4b3c2d1e0f', 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- with padding
-SELECT encode(encrypt(
-decode('01234567890123456789', 'hex'),
-decode('33443344334433443344334433443344', 'hex'),
-'bf-ecb'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- cbc
--- 28 bytes key
-SELECT encode(encrypt(
-decode('6b77b4d63006dee605b156e27403979358deb9e7154616d959f1652bd5', 'hex'),
-decode('37363534333231204e6f77206973207468652074696d6520666f7220', 'hex'),
-'bf-cbc'), 'hex');
-ERROR:  encrypt error: Key was too big
--- 29 bytes key
-SELECT encode(encrypt(
-decode('6b77b4d63006dee605b156e27403979358deb9e7154616d959f1652bd5ff92cc', 
'hex'),
-decode('37363534333231204e6f77206973207468652074696d6520666f722000', 'hex'),
-'bf-cbc'), 'hex');
-ERROR:  encrypt error: Key was too big
--- blowfish-448
-SELECT encode(encrypt(
-decode('fedcba9876543210', 'hex'),
-decode('f0e1d2c3b4a5968778695a4b3c2d1e0f001122334455667704689104c2fd3b2f584023641aba61761f1f1f1f0e0e0e0effffffffffffffff',
 'hex'),
-'bf-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Key was too big
--- result: c04504012e4e1f53
--- empty data
-select encode(encrypt('', 'foo', 'bf'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- 10 bytes key
-select encode(encrypt('foo', '0123456789', 'bf'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- 22 bytes key
-select encode(encrypt('foo', '0123456789012345678901', 'bf'), 'hex');
-ERROR:  encrypt error: Key was too big
--- decrypt
-select decrypt(encrypt('foo', '0123456', 'bf'), '0123456', 'bf');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- iv
-select encode(encrypt_iv('foo', '0123456', 'abcd', 'bf'), 'hex');
-ERROR:  encrypt_iv error: Cipher cannot be initialized ?
-select decrypt_iv(decode('95c7e89322525d59', 'hex'), '0123456', 'abcd', 'bf');
-ERROR:  decrypt_iv error: Cipher cannot be initialized ?
--- long message
-select encode(encrypt('Lets try a longer message.', '0123456789', 'bf'), 
'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-select decrypt(encrypt('Lets try a longer message.', '0123456789', 'bf'), 
'0123456789', 'bf');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-=======
 -- some standard Blowfish testvalues
 SELECT encrypt('\x0000000000000000', '\x0000000000000000', 'bf-ecb/pad:none');
 ERROR:  encrypt error: Cipher cannot be initialized
@@ -154,4 +60,3 @@ select encrypt('Lets try a longer message.', '0123456789', 
'bf');
 ERROR:  encrypt error: Cipher cannot be initialized
 select encode(decrypt(encrypt('Lets try a longer message.', '0123456789', 
'bf'), '0123456789', 'bf'), 'escape');
 ERROR:  encrypt error: Cipher cannot be initialized
->>>>>>> REL_16_9
diff --git a/contrib/pgcrypto/expected/cast5_1.out 
b/contrib/pgcrypto/expected/cast5_1.out
index 92d654019ef..175e0b0366b 100644
--- a/contrib/pgcrypto/expected/cast5_1.out
+++ b/contrib/pgcrypto/expected/cast5_1.out
@@ -1,53 +1,6 @@
 --
 -- Cast5 cipher
 --
-<<<<<<< HEAD
--- ensure consistent test output regardless of the default bytea format
-SET bytea_output TO escape;
--- test vectors from RFC2144
--- 128 bit key
-SELECT encode(encrypt(
-decode('01 23 45 67 89 AB CD EF', 'hex'),
-decode('01 23 45 67 12 34 56 78 23 45 67 89 34 56 78 9A', 'hex'),
-'cast5-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- result: 23 8B 4F E5 84 7E 44 B2
--- 80 bit key
-SELECT encode(encrypt(
-decode('01 23 45 67 89 AB CD EF', 'hex'),
-decode('01 23 45 67 12 34 56 78 23 45', 'hex'),
-'cast5-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- result: EB 6A 71 1A 2C 02 27 1B
--- 40 bit key
-SELECT encode(encrypt(
-decode('01 23 45 67 89 AB CD EF', 'hex'),
-decode('01 23 45 67 12', 'hex'),
-'cast5-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- result: 7A C8 16 D1 6E 9B 30 2E
--- cbc
--- empty data
-select encode( encrypt('', 'foo', 'cast5'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- 10 bytes key
-select encode( encrypt('foo', '0123456789', 'cast5'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- decrypt
-select decrypt(encrypt('foo', '0123456', 'cast5'), '0123456', 'cast5');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- iv
-select encode(encrypt_iv('foo', '0123456', 'abcd', 'cast5'), 'hex');
-ERROR:  encrypt_iv error: Cipher cannot be initialized ?
-select decrypt_iv(decode('384a970695ce016a', 'hex'),
-                '0123456', 'abcd', 'cast5');
-ERROR:  decrypt_iv error: Cipher cannot be initialized ?
--- long message
-select encode(encrypt('Lets try a longer message.', '0123456789', 'cast5'), 
'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-select decrypt(encrypt('Lets try a longer message.', '0123456789', 'cast5'), 
'0123456789', 'cast5');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-=======
 -- test vectors from RFC2144
 -- 128 bit key
 SELECT encrypt('\x0123456789ABCDEF', '\x0123456712345678234567893456789A', 
'cast5-ecb/pad:none');
@@ -78,4 +31,3 @@ select encrypt('Lets try a longer message.', '0123456789', 
'cast5');
 ERROR:  encrypt error: Cipher cannot be initialized
 select encode(decrypt(encrypt('Lets try a longer message.', '0123456789', 
'cast5'), '0123456789', 'cast5'), 'escape');
 ERROR:  encrypt error: Cipher cannot be initialized
->>>>>>> REL_16_9
diff --git a/contrib/pgcrypto/expected/des_1.out 
b/contrib/pgcrypto/expected/des_1.out
index b9a3091c1af..5a76154ee2b 100644
--- a/contrib/pgcrypto/expected/des_1.out
+++ b/contrib/pgcrypto/expected/des_1.out
@@ -1,36 +1,6 @@
 --
 -- DES cipher
 --
-<<<<<<< HEAD
--- ensure consistent test output regardless of the default bytea format
-SET bytea_output TO escape;
--- no official test vectors atm
--- from blowfish.sql
-SELECT encode(encrypt(
-decode('0123456789abcdef', 'hex'),
-decode('fedcba9876543210', 'hex'),
-'des-ecb/pad:none'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- empty data
-select encode( encrypt('', 'foo', 'des'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- 8 bytes key
-select encode( encrypt('foo', '01234589', 'des'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- decrypt
-select decrypt(encrypt('foo', '0123456', 'des'), '0123456', 'des');
-ERROR:  encrypt error: Cipher cannot be initialized ?
--- iv
-select encode(encrypt_iv('foo', '0123456', 'abcd', 'des'), 'hex');
-ERROR:  encrypt_iv error: Cipher cannot be initialized ?
-select decrypt_iv(decode('50735067b073bb93', 'hex'), '0123456', 'abcd', 'des');
-ERROR:  decrypt_iv error: Cipher cannot be initialized ?
--- long message
-select encode(encrypt('Lets try a longer message.', '01234567', 'des'), 'hex');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-select decrypt(encrypt('Lets try a longer message.', '01234567', 'des'), 
'01234567', 'des');
-ERROR:  encrypt error: Cipher cannot be initialized ?
-=======
 -- no official test vectors atm
 -- from blowfish.sql
 SELECT encrypt('\x0123456789abcdef', '\xfedcba9876543210', 'des-ecb/pad:none');
@@ -54,4 +24,3 @@ select encrypt('Lets try a longer message.', '01234567', 
'des');
 ERROR:  encrypt error: Cipher cannot be initialized
 select encode(decrypt(encrypt('Lets try a longer message.', '01234567', 
'des'), '01234567', 'des'), 'escape');
 ERROR:  encrypt error: Cipher cannot be initialized
->>>>>>> REL_16_9
diff --git a/contrib/pgcrypto/expected/pgp-decrypt_1.out 
b/contrib/pgcrypto/expected/pgp-decrypt_1.out
index 917f9ed4cad..80a4c48613d 100644
--- a/contrib/pgcrypto/expected/pgp-decrypt_1.out
+++ b/contrib/pgcrypto/expected/pgp-decrypt_1.out
@@ -283,11 +283,7 @@ FwsDabdQUz5O7bgNSnxfmyw1OifGF+W2bIn/8W+0rDf8u3+O+Q==
 (1 row)
 
 -- Checking various data
-<<<<<<< HEAD
-select encode(digest(pgp_sym_decrypt(dearmor('
-=======
 select digest(pgp_sym_decrypt(dearmor('
->>>>>>> REL_16_9
 -----BEGIN PGP MESSAGE-----
 Comment: dat1.aes.sha1.mdc.s2k3.z0
 
@@ -295,16 +291,6 @@ 
jA0EBwMCGJ+SpuOysINg0kQBJfSjzsW0x4OVcAyr17O7FBvMTwIGeGcJd99oTQU8
 Xtx3kDqnhUq9Z1fS3qPbi5iNP2A9NxOBxPWz2JzxhydANlgbxg==
 =W/ik
 -----END PGP MESSAGE-----
-<<<<<<< HEAD
-'), '0123456789abcdefghij'), 'sha1'), 'hex');
-                  encode                  
-------------------------------------------
- 0225e3ede6f2587b076d021a189ff60aad67e066
-(1 row)
-
--- expected: 0225e3ede6f2587b076d021a189ff60aad67e066
-select encode(digest(pgp_sym_decrypt(dearmor('
-=======
 '), '0123456789abcdefghij'), 'sha1');
                    digest                   
 --------------------------------------------
@@ -312,7 +298,6 @@ select encode(digest(pgp_sym_decrypt(dearmor('
 (1 row)
 
 select digest(pgp_sym_decrypt(dearmor('
->>>>>>> REL_16_9
 -----BEGIN PGP MESSAGE-----
 Comment: dat2.aes.sha1.mdc.s2k3.z0
 
@@ -320,16 +305,6 @@ 
jA0EBwMCvdpDvidNzMxg0jUBvj8eS2+1t/9/zgemxvhtc0fvdKGGbjH7dleaTJRB
 SaV9L04ky1qECNDx3XjnoKLC+H7IOQ==
 =Fxen
 -----END PGP MESSAGE-----
-<<<<<<< HEAD
-'), '0123456789abcdefghij'), 'sha1'), 'hex');
-                  encode                  
-------------------------------------------
- da39a3ee5e6b4b0d3255bfef95601890afd80709
-(1 row)
-
--- expected: da39a3ee5e6b4b0d3255bfef95601890afd80709
-select encode(digest(pgp_sym_decrypt(dearmor('
-=======
 '), '0123456789abcdefghij'), 'sha1');
                    digest                   
 --------------------------------------------
@@ -337,7 +312,6 @@ select encode(digest(pgp_sym_decrypt(dearmor('
 (1 row)
 
 select digest(pgp_sym_decrypt(dearmor('
->>>>>>> REL_16_9
 -----BEGIN PGP MESSAGE-----
 Comment: dat3.aes.sha1.mdc.s2k3.z0
 
@@ -346,17 +320,6 @@ 
gFnkUKIE0PSaYFp+Yi1VlRfUtRQ/X/LYNGa7tWZS+4VQajz2Xtz4vUeAEiYFYPXk
 73Hb8m1yRhQK
 =ivrD
 -----END PGP MESSAGE-----
-<<<<<<< HEAD
-'), '0123456789abcdefghij'), 'sha1'), 'hex');
-                  encode                  
-------------------------------------------
- 5e5c135efc0dd00633efc6dfd6e731ea408a5b4c
-(1 row)
-
--- expected: 5e5c135efc0dd00633efc6dfd6e731ea408a5b4c
--- Checking CRLF
-select encode(digest(pgp_sym_decrypt(dearmor('
-=======
 '), '0123456789abcdefghij'), 'sha1');
                    digest                   
 --------------------------------------------
@@ -365,7 +328,6 @@ select encode(digest(pgp_sym_decrypt(dearmor('
 
 -- Checking CRLF
 select digest(pgp_sym_decrypt(dearmor('
->>>>>>> REL_16_9
 -----BEGIN PGP MESSAGE-----
 Comment: crlf mess
 
@@ -373,16 +335,6 @@ 
ww0ECQMCt7VAtby6l4Bi0lgB5KMIZiiF/b3CfMfUyY0eDncsGXtkbu1X+l9brjpMP8eJnY79Amms
 a3nsOzKTXUfS9VyaXo8IrncM6n7fdaXpwba/3tNsAhJG4lDv1k4g9v8Ix2dfv6Rs
 =mBP9
 -----END PGP MESSAGE-----
-<<<<<<< HEAD
-'), 'key', 'convert-crlf=0'), 'sha1'), 'hex');
-                  encode                  
-------------------------------------------
- 9353062be7720f1446d30b9e75573a4833886784
-(1 row)
-
--- expected: 9353062be7720f1446d30b9e75573a4833886784
-select encode(digest(pgp_sym_decrypt(dearmor('
-=======
 '), 'key', 'convert-crlf=0'), 'sha1');
                    digest                   
 --------------------------------------------
@@ -390,7 +342,6 @@ select encode(digest(pgp_sym_decrypt(dearmor('
 (1 row)
 
 select digest(pgp_sym_decrypt(dearmor('
->>>>>>> REL_16_9
 -----BEGIN PGP MESSAGE-----
 Comment: crlf mess
 
@@ -398,22 +349,12 @@ 
ww0ECQMCt7VAtby6l4Bi0lgB5KMIZiiF/b3CfMfUyY0eDncsGXtkbu1X+l9brjpMP8eJnY79Amms
 a3nsOzKTXUfS9VyaXo8IrncM6n7fdaXpwba/3tNsAhJG4lDv1k4g9v8Ix2dfv6Rs
 =mBP9
 -----END PGP MESSAGE-----
-<<<<<<< HEAD
-'), 'key', 'convert-crlf=1'), 'sha1'), 'hex');
-                  encode                  
-------------------------------------------
- 7efefcab38467f7484d6fa43dc86cf5281bd78e2
-(1 row)
-
--- expected: 7efefcab38467f7484d6fa43dc86cf5281bd78e2
-=======
 '), 'key', 'convert-crlf=1'), 'sha1');
                    digest                   
 --------------------------------------------
  \x7efefcab38467f7484d6fa43dc86cf5281bd78e2
 (1 row)
 
->>>>>>> REL_16_9
 -- check BUG #11905, problem with messages 6 less than a power of 2.
 select pgp_sym_decrypt(pgp_sym_encrypt(repeat('x',65530),'1'),'1') = 
repeat('x',65530);
  ?column? 
@@ -421,10 +362,6 @@ select 
pgp_sym_decrypt(pgp_sym_encrypt(repeat('x',65530),'1'),'1') = repeat('x',
  t
 (1 row)
 
-<<<<<<< HEAD
--- expected: true
-=======
->>>>>>> REL_16_9
 -- Negative tests
 -- Decryption with a certain incorrect key yields an apparent Literal Data
 -- packet reporting its content to be binary data.  Ciphertext source:
diff --git a/contrib/pgcrypto/expected/sha2.out 
b/contrib/pgcrypto/expected/sha2.out
index d3053b61ac1..6f67fe6eca0 100644
--- a/contrib/pgcrypto/expected/sha2.out
+++ b/contrib/pgcrypto/expected/sha2.out
@@ -137,38 +137,3 @@ SELECT 
digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklm
  
\x930d0cefcb30ff1133b6898121f1cf3d27578afcafe8677c5257cf069911f75d8f5831b56ebfda67b278e66dff8b84fe2b2870f742a580d8edb41987232850c9
 (1 row)
 
--- SM3 
--- `icw_bash` will used `--with-openssl` version.
--- but openssl version which cbdb required have not SM2/SM3/SM4
--- start_ignore
-SELECT encode(digest('', 'sm3'), 'hex');
-                              encode
-------------------------------------------------------------------
- 1ab21d8355cfa17f8e61194831e81a8f22bec8c728fefb747ed035eb5082aa2b
-(1 row)
-SELECT encode(digest('a', 'sm3'), 'hex');
-                              encode
-------------------------------------------------------------------
- 623476ac18f65a2909e43c7fec61b49c7e764a91a18ccb82f1917a29c86c5e88
-(1 row)
-SELECT encode(digest('abc', 'sm3'), 'hex');
-                              encode
-------------------------------------------------------------------
- 66c7f0f462eeedd9d1f2d46bdc10e4e24167c4875cf2f7a2297da02b8f4ba8e0
-(1 row)
-SELECT 
encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 
'sm3'), 'hex');
-                              encode
-------------------------------------------------------------------
- 639b6cc5e64d9e37a390b192df4fa1ea0720ab747ff692b9f38c4e66ad7b8c05
-(1 row)
-SELECT 
encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
 'sm3'), 'hex');
-                              encode
-------------------------------------------------------------------
- 78bcfb586acd983d7fae8e6930157f1562019e2caf68f1c98a855f1a95bb89bb
-(1 row)
-SELECT 
encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz',
 'sm3'), 'hex');
-                              encode
-------------------------------------------------------------------
- 4556fcdd169ca9c5b33b99b3f39f92072ba7382b0fb167c61f89aec1de9e5796
-(1 row)
--- end_ignore
\ No newline at end of file
diff --git a/contrib/pgcrypto/openssl.c b/contrib/pgcrypto/openssl.c
index f2b80b9a62e..8003cb6d34d 100644
--- a/contrib/pgcrypto/openssl.c
+++ b/contrib/pgcrypto/openssl.c
@@ -423,11 +423,7 @@ gen_ossl_decrypt(PX_Cipher *c, int padding, const uint8 
*data, unsigned dlen,
        {
                if (!EVP_DecryptInit_ex(od->evp_ctx, od->evp_ciph, NULL, NULL, 
NULL))
                        return PXE_CIPHER_INIT;
-<<<<<<< HEAD
-               if (!EVP_CIPHER_CTX_set_padding(od->evp_ctx, 0))
-=======
                if (!EVP_CIPHER_CTX_set_padding(od->evp_ctx, padding))
->>>>>>> REL_16_9
                        return PXE_CIPHER_INIT;
                if (!EVP_CIPHER_CTX_set_key_length(od->evp_ctx, od->klen))
                        return PXE_CIPHER_INIT;
@@ -457,11 +453,7 @@ gen_ossl_encrypt(PX_Cipher *c, int padding, const uint8 
*data, unsigned dlen,
        {
                if (!EVP_EncryptInit_ex(od->evp_ctx, od->evp_ciph, NULL, NULL, 
NULL))
                        return PXE_CIPHER_INIT;
-<<<<<<< HEAD
-               if (!EVP_CIPHER_CTX_set_padding(od->evp_ctx, 0))
-=======
                if (!EVP_CIPHER_CTX_set_padding(od->evp_ctx, padding))
->>>>>>> REL_16_9
                        return PXE_CIPHER_INIT;
                if (!EVP_CIPHER_CTX_set_key_length(od->evp_ctx, od->klen))
                        return PXE_CIPHER_INIT;
diff --git a/contrib/pgcrypto/pgcrypto.c b/contrib/pgcrypto/pgcrypto.c
index a3e33b0952e..98666cd4d3d 100644
--- a/contrib/pgcrypto/pgcrypto.c
+++ b/contrib/pgcrypto/pgcrypto.c
@@ -39,15 +39,12 @@
 #include "px.h"
 #include "utils/builtins.h"
 #include "utils/uuid.h"
-<<<<<<< HEAD
 #include "utils/guc.h"
 
 #include "px-crypt.h"
 #include "pgcrypto.h"
 #include "pgp.h"
-=======
 #include "varatt.h"
->>>>>>> REL_16_9
 
 PG_MODULE_MAGIC;
 
diff --git a/contrib/pgcrypto/sql/sha2.sql b/contrib/pgcrypto/sql/sha2.sql
index ffca965a340..3aafd354070 100644
--- a/contrib/pgcrypto/sql/sha2.sql
+++ b/contrib/pgcrypto/sql/sha2.sql
@@ -25,30 +25,9 @@ SELECT 
digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoi
 SELECT 
digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz',
 'sha384');
 
 -- SHA512
-<<<<<<< HEAD
-SELECT encode(digest('', 'sha512'), 'hex');
-SELECT encode(digest('a', 'sha512'), 'hex');
-SELECT encode(digest('abc', 'sha512'), 'hex');
-SELECT 
encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 
'sha512'), 'hex');
-SELECT 
encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
 'sha512'), 'hex');
-SELECT 
encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz',
 'sha512'), 'hex');
-
--- SM3 
--- `icw_bash` will used `--with-openssl` version.
--- but openssl version which cbdb required have not SM2/SM3/SM4
--- start_ignore
-SELECT encode(digest('', 'sm3'), 'hex');
-SELECT encode(digest('a', 'sm3'), 'hex');
-SELECT encode(digest('abc', 'sm3'), 'hex');
-SELECT 
encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 
'sm3'), 'hex');
-SELECT 
encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
 'sm3'), 'hex');
-SELECT 
encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz',
 'sm3'), 'hex');
--- end_ignore
-=======
 SELECT digest('', 'sha512');
 SELECT digest('a', 'sha512');
 SELECT digest('abc', 'sha512');
 SELECT digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 
'sha512');
 SELECT 
digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
 'sha512');
 SELECT 
digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz',
 'sha512');
->>>>>>> REL_16_9
diff --git a/contrib/pgrowlocks/.gitignore b/contrib/pgrowlocks/.gitignore
index 8c8bfe89b06..7349813e489 100644
--- a/contrib/pgrowlocks/.gitignore
+++ b/contrib/pgrowlocks/.gitignore
@@ -1,10 +1,7 @@
-<<<<<<< HEAD
 pgrowlocks.sql
-=======
 # Generated subdirectories
 /log/
 /results/
 /output_iso/
 /tmp_check/
 /tmp_check_iso/
->>>>>>> REL_16_9
diff --git a/contrib/postgres_fdw/expected/postgres_fdw.out 
b/contrib/postgres_fdw/expected/postgres_fdw.out
index 48c74119eaf..45bc36d9062 100644
--- a/contrib/postgres_fdw/expected/postgres_fdw.out
+++ b/contrib/postgres_fdw/expected/postgres_fdw.out
@@ -553,10 +553,6 @@ EXPLAIN (VERBOSE, COSTS OFF)
    Output: t1."C 1"
    ->  Gather Motion 3:1  (slice1; segments: 3)
          Output: t1."C 1"
-<<<<<<< HEAD
-         Merge Key: t1."C 1"
-         ->  Limit
-=======
          Inner Unique: true
          Merge Cond: (t3.c1 = t1."C 1")
          ->  Foreign Scan
@@ -564,7 +560,6 @@ EXPLAIN (VERBOSE, COSTS OFF)
                Relations: (public.ft1 t2) INNER JOIN (public.ft2 t3)
                Remote SQL: SELECT r3."C 1" FROM ("S 1"."T 1" r2 INNER JOIN "S 
1"."T 1" r3 ON (((r3."C 1" = r2."C 1")))) ORDER BY r2."C 1" ASC NULLS LAST
          ->  Index Only Scan using t1_pkey on "S 1"."T 1" t1
->>>>>>> REL_16_9
                Output: t1."C 1"
                ->  Merge Left Join
                      Output: t1."C 1"
@@ -834,25 +829,6 @@ EXPLAIN (VERBOSE, COSTS OFF)
 
-------------------------------------------------------------------------------------------------------------------
  Gather Motion 3:1  (slice1; segments: 3)
    Output: a."C 1", a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8, b.c1, b.c2, 
b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
-<<<<<<< HEAD
-   ->  Hash Join
-         Output: a."C 1", a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8, b.c1, 
b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
-         Inner Unique: true
-         Hash Cond: (b.c1 = a.c2)
-         ->  Redistribute Motion 1:3  (slice2)
-               Output: b.c1, b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
-               Hash Key: 47
-               ->  Foreign Scan on public.ft2 b
-                     Output: b.c1, b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
-                     Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM 
"S 1"."T 1"
-         ->  Hash
-               Output: a."C 1", a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8
-               ->  Seq Scan on "S 1"."T 1" a
-                     Output: a."C 1", a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8
-                     Filter: (a."C 1" = 47)
- Optimizer: Postgres query optimizer
-(18 rows)
-=======
    ->  Index Scan using t1_pkey on "S 1"."T 1" a
          Output: a."C 1", a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8
          Index Cond: (a."C 1" = 47)
@@ -860,7 +836,6 @@ EXPLAIN (VERBOSE, COSTS OFF)
          Output: b.c1, b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
          Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" 
WHERE (("C 1" = $1::integer))
 (8 rows)
->>>>>>> REL_16_9
 
 SELECT * FROM "S 1"."T 1" a, ft2 b WHERE a."C 1" = 47 AND b.c1 = a.c2;
  C 1 | c2 |  c3   |              c4              |            c5            | 
c6 |     c7     | c8  | c1 | c2 |  c3   |              c4              |        
    c5            | c6 |     c7     | c8  
@@ -879,21 +854,9 @@ EXPLAIN (VERBOSE, COSTS OFF)
    Hash Cond: ((b.c1 = a.c1) AND ((b.c7)::text = upper((a.c7)::text)))
    ->  Foreign Scan on public.ft2 b
          Output: b.c1, b.c2, b.c3, b.c4, b.c5, b.c6, b.c7, b.c8
-<<<<<<< HEAD
-         Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1"
-   ->  Hash
-         Output: a.c1, a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8
-         ->  Foreign Scan on public.ft2 a
-               Output: a.c1, a.c2, a.c3, a.c4, a.c5, a.c6, a.c7, a.c8
-               Filter: (a.c8 = 'foo'::user_enum)
-               Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 
1"."T 1" WHERE ((c2 = 6))
- Optimizer: Postgres query optimizer
-(13 rows)
-=======
          Filter: ((b.c7)::text = upper((a.c7)::text))
          Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 1"."T 1" 
WHERE (($1::integer = "C 1"))
 (10 rows)
->>>>>>> REL_16_9
 
 SELECT * FROM ft2 a, ft2 b
 WHERE a.c2 = 6 AND b.c1 = a.c1 AND a.c8 = 'foo' AND b.c7 = upper(a.c7);
@@ -1174,9 +1137,6 @@ SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 
limit 1;
   1 |  1 | 00001 | Fri Jan 02 00:00:00 1970 PST | Fri Jan 02 00:00:00 1970 | 1 
 | 1          | foo
 (1 row)
 
-<<<<<<< HEAD
--- check schema-qualification of regconfig constant
-=======
 -- Ensure we don't ship FETCH FIRST .. WITH TIES
 EXPLAIN (VERBOSE, COSTS OFF)
 SELECT t1.c2 FROM ft1 t1 WHERE t1.c1 > 960 ORDER BY t1.c2 FETCH FIRST 2 ROWS 
WITH TIES;
@@ -1290,14 +1250,11 @@ SELECT * FROM ft1 WHERE CASE c3 COLLATE "C" WHEN c6 
THEN true ELSE c3 < 'bar' EN
 
 -- a regconfig constant referring to this text search configuration
 -- is initially unshippable
->>>>>>> REL_16_9
 CREATE TEXT SEARCH CONFIGURATION public.custom_search
   (COPY = pg_catalog.english);
 EXPLAIN (VERBOSE, COSTS OFF)
 SELECT c1, to_tsvector('custom_search'::regconfig, c3) FROM ft1
 WHERE c1 = 642 AND length(to_tsvector('custom_search'::regconfig, c3)) > 0;
-<<<<<<< HEAD
-=======
                                QUERY PLAN                                
 -------------------------------------------------------------------------
  Foreign Scan on public.ft1
@@ -1320,7 +1277,6 @@ ALTER EXTENSION postgres_fdw ADD TEXT SEARCH 
CONFIGURATION public.custom_search;
 EXPLAIN (VERBOSE, COSTS OFF)
 SELECT c1, to_tsvector('custom_search'::regconfig, c3) FROM ft1
 WHERE c1 = 642 AND length(to_tsvector('custom_search'::regconfig, c3)) > 0;
->>>>>>> REL_16_9
                                                                   QUERY PLAN   
                                                               
 
----------------------------------------------------------------------------------------------------------------------------------------------
  Foreign Scan on public.ft1
@@ -1335,8 +1291,6 @@ WHERE c1 = 642 AND 
length(to_tsvector('custom_search'::regconfig, c3)) > 0;
  642 | '00642':1
 (1 row)
 
-<<<<<<< HEAD
-=======
 -- ===================================================================
 -- ORDER BY queries
 -- ===================================================================
@@ -1404,7 +1358,6 @@ SELECT * FROM (
          Remote SQL: SELECT "C 1" FROM "S 1"."T 1"
 (8 rows)
 
->>>>>>> REL_16_9
 -- ===================================================================
 -- JOIN queries
 -- ===================================================================
@@ -1445,29 +1398,9 @@ SELECT t1.c1, t2.c2, t3.c3 FROM ft1 t1 JOIN ft2 t2 ON 
(t1.c1 = t2.c1) JOIN ft4 t
 
------------------------------------------------------------------------------------------------------------------------------------------------------
  Limit
    Output: t1.c1, t2.c2, t3.c3, t1.c3
-<<<<<<< HEAD
-   ->  Sort
-         Output: t1.c1, t2.c2, t3.c3, t1.c3
-         Sort Key: t1.c3, t1.c1
-         ->  Hash Join
-               Output: t1.c1, t2.c2, t3.c3, t1.c3
-               Hash Cond: (t2.c1 = t1.c1)
-               ->  Foreign Scan on public.ft2 t2
-                     Output: t2.c2, t2.c1
-                     Remote SQL: SELECT "C 1", c2 FROM "S 1"."T 1"
-               ->  Hash
-                     Output: t1.c1, t1.c3, t3.c3, t3.c1
-                     ->  Foreign Scan
-                           Output: t1.c1, t1.c3, t3.c3, t3.c1
-                           Relations: (public.ft1 t1) INNER JOIN (public.ft4 
t3)
-                           Remote SQL: SELECT r1."C 1", r1.c3, r4.c3, r4.c1 
FROM ("S 1"."T 1" r1 INNER JOIN "S 1"."T 3" r4 ON (((r1."C 1" = r4.c1))))
- Optimizer: Postgres query optimizer
-(18 rows)
-=======
    Relations: ((public.ft1 t1) INNER JOIN (public.ft2 t2)) INNER JOIN 
(public.ft4 t3)
    Remote SQL: SELECT r1."C 1", r2.c2, r4.c3, r1.c3 FROM (("S 1"."T 1" r1 
INNER JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r1."C 1")))) INNER JOIN "S 1"."T 3" 
r4 ON (((r1."C 1" = r4.c1)))) ORDER BY r1.c3 ASC NULLS LAST, r1."C 1" ASC NULLS 
LAST LIMIT 10::bigint OFFSET 10::bigint
 (4 rows)
->>>>>>> REL_16_9
 
 SELECT t1.c1, t2.c2, t3.c3 FROM ft1 t1 JOIN ft2 t2 ON (t1.c1 = t2.c1) JOIN ft4 
t3 ON (t3.c1 = t1.c1) ORDER BY t1.c3, t1.c1 OFFSET 10 LIMIT 10;
  c1 | c2 |   c3   
@@ -2525,11 +2458,7 @@ SELECT t1."C 1" FROM "S 1"."T 1" t1, LATERAL (SELECT 
DISTINCT t2.c1, t3.c1 FROM
                            ->  Foreign Scan
                                  Output: t2.c1, t3.c1
                                  Relations: (public.ft1 t2) INNER JOIN 
(public.ft2 t3)
-<<<<<<< HEAD
-                                 Remote SQL: SELECT r1."C 1", r2."C 1" FROM 
("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r1."C 1" = r2."C 1")) AND 
((r1.c2 = $1::integer))))
-=======
                                  Remote SQL: SELECT r1."C 1", r2."C 1" FROM 
("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r1."C 1")) AND 
((r1.c2 = $1::integer))))
->>>>>>> REL_16_9
 (17 rows)
 
 SELECT t1."C 1" FROM "S 1"."T 1" t1, LATERAL (SELECT DISTINCT t2.c1, t3.c1 
FROM ft1 t2, ft2 t3 WHERE t2.c1 = t3.c1 AND t2.c2 = t1.c2) q ORDER BY t1."C 1" 
OFFSET 10 LIMIT 10;
@@ -3740,10 +3669,7 @@ select array_agg(c1 order by c1 using 
operator(public.<^)) from ft2 where c2 = 6
  {6,16,26,36,46,56,66,76,86,96}
 (1 row)
 
-<<<<<<< HEAD
-=======
 alter server loopback options (drop fdw_tuple_cost);
->>>>>>> REL_16_9
 -- This should be pushed too.
 explain (verbose, costs off)
 select * from ft2 order by c1 using operator(public.<^);
@@ -4674,8 +4600,6 @@ CONTEXT:  processing expression at position 2 in select 
list
 ANALYZE ft1; -- ERROR
 ERROR:  invalid input syntax for type integer: "foo"
 CONTEXT:  column "c8" of foreign table "ft1"
-<<<<<<< HEAD
-=======
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE user_enum;
 -- ===================================================================
 -- local type can be different from remote type in some cases,
@@ -4723,7 +4647,6 @@ SELECT * FROM ft1 WHERE c8::text LIKE 'foo' LIMIT 1; -- 
ERROR; cast not pushed d
 ERROR:  operator does not exist: public.user_enum ~~ unknown
 HINT:  No operator matches the given name and argument types. You might need 
to add explicit type casts.
 CONTEXT:  remote SQL command: SELECT "C 1", c2, c3, c4, c5, c6, c7, c8 FROM "S 
1"."T 1" WHERE ((c8 ~~ 'foo')) LIMIT 1::bigint
->>>>>>> REL_16_9
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE user_enum;
 -- ===================================================================
 -- subtransaction
@@ -7294,8 +7217,6 @@ select * from grem1;
 (2 rows)
 
 delete from grem1;
-<<<<<<< HEAD
-=======
 -- batch insert with foreign partitions.
 -- This schema uses two partitions, one local and one remote with a modulo
 -- to loop across all of them in batches.
@@ -7318,7 +7239,6 @@ select count(*) from tab_batch_sharded;
 drop table tab_batch_local;
 drop table tab_batch_sharded;
 drop table tab_batch_sharded_p1_remote;
->>>>>>> REL_16_9
 alter server loopback options (drop batch_size);
 -- ===================================================================
 -- test local triggers
@@ -10319,14 +10239,6 @@ WARNING:  there is no transaction in progress
 -- Change application_name of remote connection to special one
 -- so that we can easily terminate the connection later.
 ALTER SERVER loopback OPTIONS (application_name 'fdw_retry_check');
-<<<<<<< HEAD
--- If debug_discard_caches is active, it results in
--- dropping remote connections after every transaction, making it
--- impossible to test termination meaningfully.  So turn that off
--- for this test.
-SET debug_discard_caches = 0;
-=======
->>>>>>> REL_16_9
 -- Make sure we have a remote connection.
 SELECT 1 FROM ft1 LIMIT 1;
  ?column? 
@@ -10364,10 +10276,6 @@ SELECT 1 FROM ft1 LIMIT 1;    -- should fail
 ERROR:  08006
 \set VERBOSITY default
 COMMIT;
-<<<<<<< HEAD
-RESET debug_discard_caches;
-=======
->>>>>>> REL_16_9
 -- 
=============================================================================
 -- test connection invalidation cases and postgres_fdw_get_connections function
 -- 
=============================================================================
@@ -11523,8 +11431,6 @@ DROP TABLE local_tbl;
 DROP INDEX base_tbl1_idx;
 DROP INDEX base_tbl2_idx;
 DROP INDEX async_p3_idx;
-<<<<<<< HEAD
-=======
 -- UNION queries
 EXPLAIN (VERBOSE, COSTS OFF)
 INSERT INTO result_tbl
@@ -11607,7 +11513,6 @@ SELECT * FROM result_tbl ORDER BY a;
 (12 rows)
 
 DELETE FROM result_tbl;
->>>>>>> REL_16_9
 -- Disable async execution if we use gating Result nodes for pseudoconstant
 -- quals
 EXPLAIN (VERBOSE, COSTS OFF)
@@ -11634,8 +11539,6 @@ SELECT * FROM async_pt WHERE CURRENT_USER = 
SESSION_USER;
                Output: async_pt_3.a, async_pt_3.b, async_pt_3.c
 (18 rows)
 
-<<<<<<< HEAD
-=======
 EXPLAIN (VERBOSE, COSTS OFF)
 (SELECT * FROM async_p1 WHERE CURRENT_USER = SESSION_USER)
 UNION ALL
@@ -11676,7 +11579,6 @@ SELECT * FROM ((SELECT * FROM async_p1 WHERE b < 10) 
UNION ALL (SELECT * FROM as
                Remote SQL: SELECT a, b, c FROM public.base_tbl2 WHERE ((b < 
10))
 (13 rows)
 
->>>>>>> REL_16_9
 -- Test that pending requests are processed properly
 SET enable_mergejoin TO false;
 SET enable_hashjoin TO false;
@@ -12001,11 +11903,7 @@ DROP TABLE base_tbl;
 ALTER SERVER loopback OPTIONS (DROP async_capable);
 ALTER SERVER loopback2 OPTIONS (DROP async_capable);
 -- ===================================================================
-<<<<<<< HEAD
--- test invalid server and foreign table options
-=======
 -- test invalid server, foreign table and foreign data wrapper options
->>>>>>> REL_16_9
 -- ===================================================================
 -- Invalid fdw_startup_cost option
 CREATE SERVER inv_scst FOREIGN DATA WRAPPER postgres_fdw
@@ -12023,8 +11921,6 @@ ERROR:  invalid value for integer option "fetch_size": 
100$%$#$#
 CREATE FOREIGN TABLE inv_bsz (c1 int )
        SERVER loopback OPTIONS (batch_size '100$%$#$#');
 ERROR:  invalid value for integer option "batch_size": 100$%$#$#
-<<<<<<< HEAD
-=======
 -- No option is allowed to be specified at foreign data wrapper level
 ALTER FOREIGN DATA WRAPPER postgres_fdw OPTIONS (nonexistent 'fdw');
 ERROR:  invalid option "nonexistent"
@@ -12247,4 +12143,3 @@ ANALYZE analyze_table;
 -- cleanup
 DROP FOREIGN TABLE analyze_ftable;
 DROP TABLE analyze_table;
->>>>>>> REL_16_9
diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql 
b/contrib/postgres_fdw/sql/postgres_fdw.sql
index b9f48309cc7..e3f59f4237b 100644
--- a/contrib/postgres_fdw/sql/postgres_fdw.sql
+++ b/contrib/postgres_fdw/sql/postgres_fdw.sql
@@ -416,9 +416,6 @@ EXPLAIN (VERBOSE, COSTS OFF)
   SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 limit 1;
 SELECT * FROM ft1 t1 WHERE t1.c1 === t1.c2 order by t1.c2 limit 1;
 
-<<<<<<< HEAD
--- check schema-qualification of regconfig constant
-=======
 -- Ensure we don't ship FETCH FIRST .. WITH TIES
 EXPLAIN (VERBOSE, COSTS OFF)
 SELECT t1.c2 FROM ft1 t1 WHERE t1.c1 > 960 ORDER BY t1.c2 FETCH FIRST 2 ROWS 
WITH TIES;
@@ -455,7 +452,6 @@ SELECT * FROM ft1 WHERE CASE c3 COLLATE "C" WHEN c6 THEN 
true ELSE c3 < 'bar' EN
 
 -- a regconfig constant referring to this text search configuration
 -- is initially unshippable
->>>>>>> REL_16_9
 CREATE TEXT SEARCH CONFIGURATION public.custom_search
   (COPY = pg_catalog.english);
 EXPLAIN (VERBOSE, COSTS OFF)
@@ -463,8 +459,6 @@ SELECT c1, to_tsvector('custom_search'::regconfig, c3) FROM 
ft1
 WHERE c1 = 642 AND length(to_tsvector('custom_search'::regconfig, c3)) > 0;
 SELECT c1, to_tsvector('custom_search'::regconfig, c3) FROM ft1
 WHERE c1 = 642 AND length(to_tsvector('custom_search'::regconfig, c3)) > 0;
-<<<<<<< HEAD
-=======
 -- but if it's in a shippable extension, it can be shipped
 ALTER EXTENSION postgres_fdw ADD TEXT SEARCH CONFIGURATION 
public.custom_search;
 -- however, that doesn't flush the shippability cache, so do a quick reconnect
@@ -500,7 +494,6 @@ SELECT * FROM (
     UNION ALL
     SELECT 2 AS type,c1 FROM ft2
 ) a ORDER BY type;
->>>>>>> REL_16_9
 
 -- ===================================================================
 -- JOIN queries
@@ -1285,8 +1278,6 @@ SELECT ftx.x1, ft2.c2, ftx FROM ft1 
ftx(x1,x2,x3,x4,x5,x6,x7,x8), ft2
   WHERE ftx.x1 = ft2.c1 AND ftx.x1 = 1; -- ERROR
 SELECT sum(c2), array_agg(c8) FROM ft1 GROUP BY c8; -- ERROR
 ANALYZE ft1; -- ERROR
-<<<<<<< HEAD
-=======
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE user_enum;
 
 -- ===================================================================
@@ -1305,7 +1296,6 @@ SELECT * FROM ft1 WHERE 'foo' = c8 LIMIT 1;
 -- with that remote type
 SELECT * FROM ft1 WHERE c8 LIKE 'foo' LIMIT 1; -- ERROR
 SELECT * FROM ft1 WHERE c8::text LIKE 'foo' LIMIT 1; -- ERROR; cast not pushed 
down
->>>>>>> REL_16_9
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE user_enum;
 
 -- ===================================================================
@@ -1756,8 +1746,6 @@ insert into grem1 (a) values (1), (2);
 select * from gloc1;
 select * from grem1;
 delete from grem1;
-<<<<<<< HEAD
-=======
 -- batch insert with foreign partitions.
 -- This schema uses two partitions, one local and one remote with a modulo
 -- to loop across all of them in batches.
@@ -1776,7 +1764,6 @@ drop table tab_batch_local;
 drop table tab_batch_sharded;
 drop table tab_batch_sharded_p1_remote;
 
->>>>>>> REL_16_9
 alter server loopback options (drop batch_size);
 
 -- ===================================================================
@@ -3224,15 +3211,6 @@ ROLLBACK;
 -- so that we can easily terminate the connection later.
 ALTER SERVER loopback OPTIONS (application_name 'fdw_retry_check');
 
-<<<<<<< HEAD
--- If debug_discard_caches is active, it results in
--- dropping remote connections after every transaction, making it
--- impossible to test termination meaningfully.  So turn that off
--- for this test.
-SET debug_discard_caches = 0;
-
-=======
->>>>>>> REL_16_9
 -- Make sure we have a remote connection.
 SELECT 1 FROM ft1 LIMIT 1;
 
@@ -3263,11 +3241,6 @@ SELECT 1 FROM ft1 LIMIT 1;    -- should fail
 \set VERBOSITY default
 COMMIT;
 
-<<<<<<< HEAD
-RESET debug_discard_caches;
-
-=======
->>>>>>> REL_16_9
 -- 
=============================================================================
 -- test connection invalidation cases and postgres_fdw_get_connections function
 -- 
=============================================================================
@@ -3821,8 +3794,6 @@ DROP INDEX base_tbl1_idx;
 DROP INDEX base_tbl2_idx;
 DROP INDEX async_p3_idx;
 
-<<<<<<< HEAD
-=======
 -- UNION queries
 EXPLAIN (VERBOSE, COSTS OFF)
 INSERT INTO result_tbl
@@ -3850,14 +3821,11 @@ UNION ALL
 SELECT * FROM result_tbl ORDER BY a;
 DELETE FROM result_tbl;
 
->>>>>>> REL_16_9
 -- Disable async execution if we use gating Result nodes for pseudoconstant
 -- quals
 EXPLAIN (VERBOSE, COSTS OFF)
 SELECT * FROM async_pt WHERE CURRENT_USER = SESSION_USER;
 
-<<<<<<< HEAD
-=======
 EXPLAIN (VERBOSE, COSTS OFF)
 (SELECT * FROM async_p1 WHERE CURRENT_USER = SESSION_USER)
 UNION ALL
@@ -3866,7 +3834,6 @@ UNION ALL
 EXPLAIN (VERBOSE, COSTS OFF)
 SELECT * FROM ((SELECT * FROM async_p1 WHERE b < 10) UNION ALL (SELECT * FROM 
async_p2 WHERE b < 10)) s WHERE CURRENT_USER = SESSION_USER;
 
->>>>>>> REL_16_9
 -- Test that pending requests are processed properly
 SET enable_mergejoin TO false;
 SET enable_hashjoin TO false;
@@ -3970,11 +3937,7 @@ ALTER SERVER loopback OPTIONS (DROP async_capable);
 ALTER SERVER loopback2 OPTIONS (DROP async_capable);
 
 -- ===================================================================
-<<<<<<< HEAD
--- test invalid server and foreign table options
-=======
 -- test invalid server, foreign table and foreign data wrapper options
->>>>>>> REL_16_9
 -- ===================================================================
 -- Invalid fdw_startup_cost option
 CREATE SERVER inv_scst FOREIGN DATA WRAPPER postgres_fdw
@@ -3988,8 +3951,6 @@ CREATE FOREIGN TABLE inv_fsz (c1 int )
 -- Invalid batch_size option
 CREATE FOREIGN TABLE inv_bsz (c1 int )
        SERVER loopback OPTIONS (batch_size '100$%$#$#');
-<<<<<<< HEAD
-=======
 
 -- No option is allowed to be specified at foreign data wrapper level
 ALTER FOREIGN DATA WRAPPER postgres_fdw OPTIONS (nonexistent 'fdw');
@@ -4153,4 +4114,3 @@ ANALYZE analyze_table;
 -- cleanup
 DROP FOREIGN TABLE analyze_ftable;
 DROP TABLE analyze_table;
->>>>>>> REL_16_9
diff --git a/contrib/seg/expected/seg.out b/contrib/seg/expected/seg.out
index 093616dc208..3d62e4c092f 100644
--- a/contrib/seg/expected/seg.out
+++ b/contrib/seg/expected/seg.out
@@ -1274,16 +1274,6 @@ FROM test_seg WHERE s @> '11.2..11.3' OR s IS NULL ORDER 
BY s;
            |            |          
 (144 rows)
 
-<<<<<<< HEAD
--- Test that has all opclasses
-select opcname,amname from pg_opclass opc,  pg_am am  where 
am.oid=opc.opcmethod and opcintype='seg'::regtype;
-   opcname    | amname
---------------+--------
- seg_ops      | btree
- gist_seg_ops | gist
- seg_ops      | bitmap
-(3 rows)
-=======
 -- test non error throwing API
 SELECT str as seg,
        pg_input_is_valid(str,'seg') as ok,
@@ -1307,5 +1297,4 @@ FROM unnest(ARRAY['-1 .. 1'::text,
  1 e7     | f  | 42601          | bad seg representation                | 
syntax error at or near "e"  | 
  1e700    | f  | 22003          | "1e700" is out of range for type real |      
                        | 
 (6 rows)
->>>>>>> REL_16_9
 
diff --git a/contrib/seg/sql/seg.sql b/contrib/seg/sql/seg.sql
index d9bd77767f3..c30f1f6bef1 100644
--- a/contrib/seg/sql/seg.sql
+++ b/contrib/seg/sql/seg.sql
@@ -239,10 +239,6 @@ SELECT * FROM test_seg WHERE s @> '11..11.3' GROUP BY s;
 SELECT seg_lower(s), seg_center(s), seg_upper(s)
 FROM test_seg WHERE s @> '11.2..11.3' OR s IS NULL ORDER BY s;
 
-<<<<<<< HEAD
--- Test that has all opclasses
-select opcname,amname from pg_opclass opc,  pg_am am  where 
am.oid=opc.opcmethod and opcintype='citext'::regtype;
-=======
 
 -- test non error throwing API
 
@@ -259,4 +255,3 @@ FROM unnest(ARRAY['-1 .. 1'::text,
                   '1 e7',
                   '1e700']) str,
      LATERAL pg_input_error_info(str, 'seg') as errinfo;
->>>>>>> REL_16_9
diff --git a/contrib/sepgsql/expected/ddl.out b/contrib/sepgsql/expected/ddl.out
index 6a073d17ce9..15d2b9c5e7d 100644
--- a/contrib/sepgsql/expected/ddl.out
+++ b/contrib/sepgsql/expected/ddl.out
@@ -23,11 +23,7 @@ LOG:  SELinux: allowed { getattr } 
scontext=unconfined_u:unconfined_r:sepgsql_re
 LOG:  SELinux: allowed { create } 
scontext=unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0 
tcontext=unconfined_u:object_r:sepgsql_db_t:s0 tclass=db_database 
name="sepgsql_test_regression" permissive=0
 CREATE USER regress_sepgsql_test_user;
 CREATE SCHEMA regtest_schema;
-<<<<<<< HEAD
-LOG:  SELinux: allowed { create } 
scontext=unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0 
tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema 
name="regtest_schema"
-=======
 LOG:  SELinux: allowed { create } 
scontext=unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0 
tcontext=unconfined_u:object_r:sepgsql_schema_t:s0 tclass=db_schema 
name="regtest_schema" permissive=0
->>>>>>> REL_16_9
 GRANT ALL ON SCHEMA regtest_schema TO regress_sepgsql_test_user;
 SET search_path = regtest_schema, public;
 CREATE TABLE regtest_table (x serial primary key, y text);
diff --git a/contrib/test_decoding/expected/replorigin.out 
b/contrib/test_decoding/expected/replorigin.out
index e8a28297840..c85e1a01b23 100644
--- a/contrib/test_decoding/expected/replorigin.out
+++ b/contrib/test_decoding/expected/replorigin.out
@@ -267,8 +267,6 @@ SELECT pg_replication_origin_drop('regress_test_decoding: 
regression_slot_no_lsn
  
 (1 row)
 
-<<<<<<< HEAD
-=======
 -- Test that the pgoutput correctly filters changes corresponding to the 
provided origin value.
 SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 
'pgoutput');
  ?column? 
@@ -325,4 +323,3 @@ SELECT pg_replication_origin_drop('regress_test_decoding: 
regression_slot');
 (1 row)
 
 DROP PUBLICATION pub;
->>>>>>> REL_16_9
diff --git a/contrib/test_decoding/sql/replorigin.sql 
b/contrib/test_decoding/sql/replorigin.sql
index a31e2b472a5..e71ee02d050 100644
--- a/contrib/test_decoding/sql/replorigin.sql
+++ b/contrib/test_decoding/sql/replorigin.sql
@@ -124,8 +124,6 @@ SELECT data FROM 
pg_logical_slot_get_changes('regression_slot_no_lsn', NULL, NUL
 SELECT pg_replication_origin_session_reset();
 SELECT pg_drop_replication_slot('regression_slot_no_lsn');
 SELECT pg_replication_origin_drop('regress_test_decoding: 
regression_slot_no_lsn');
-<<<<<<< HEAD
-=======
 
 -- Test that the pgoutput correctly filters changes corresponding to the 
provided origin value.
 SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 
'pgoutput');
@@ -148,4 +146,3 @@ SELECT pg_replication_origin_session_reset();
 SELECT pg_drop_replication_slot('regression_slot');
 SELECT pg_replication_origin_drop('regress_test_decoding: regression_slot');
 DROP PUBLICATION pub;
->>>>>>> REL_16_9
diff --git a/src/include/utils/numeric.h b/src/include/utils/numeric.h
index 494972d5c6d..d175e858879 100644
--- a/src/include/utils/numeric.h
+++ b/src/include/utils/numeric.h
@@ -15,6 +15,7 @@
 #define _PG_NUMERIC_H_
 
 #include "fmgr.h"
+#include "nodes/nodes.h"
 
 /*
  * Limits on the precision and scale specifiable in a NUMERIC typmod.  The


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