20 files changed, 366 insertions, 30 deletions
diff --git a/cmake/maintainer.cmake b/cmake/maintainer.cmake
index 8c2deeb8e40..9c51cb797bb 100644
--- a/cmake/maintainer.cmake
+++ b/cmake/maintainer.cmake
@@ -1,4 +1,5 @@
 # Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2020, MariaDB
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -28,11 +29,16 @@ SET(MY_WARNING_FLAGS
   -Woverloaded-virtual
   -Wvla
   -Wwrite-strings
-  -Werror
   )
 
+FOREACH(F ${MY_WARNING_FLAGS})
+  MY_CHECK_AND_SET_COMPILER_FLAG(${F} DEBUG RELWITHDEBINFO)
+ENDFOREACH()
+
+SET(MY_ERROR_FLAGS -Werror)
+
 IF(CMAKE_COMPILER_IS_GNUCC AND CMAKE_C_COMPILER_VERSION VERSION_LESS "6.0.0")
-  SET(MY_WARNING_FLAGS ${MY_WARNING_FLAGS} -Wno-error=maybe-uninitialized)
+  SET(MY_ERROR_FLAGS ${MY_ERROR_FLAGS} -Wno-error=maybe-uninitialized)
 ENDIF()
 
 IF(MYSQL_MAINTAINER_MODE MATCHES "OFF")
@@ -41,7 +47,7 @@ ELSEIF(MYSQL_MAINTAINER_MODE MATCHES "AUTO")
   SET(WHERE DEBUG)
 ENDIF()
 
-FOREACH(F ${MY_WARNING_FLAGS})
+FOREACH(F ${MY_ERROR_FLAGS})
   MY_CHECK_AND_SET_COMPILER_FLAG(${F} ${WHERE})
 ENDFOREACH()
 
diff --git a/mysql-test/lib/My/Tee.pm b/mysql-test/lib/My/Tee.pm
index 5985fe33739..8d6b4ddd52f 100644
--- a/mysql-test/lib/My/Tee.pm
+++ b/mysql-test/lib/My/Tee.pm
@@ -10,7 +10,7 @@ sub PUSHED
   open($copyfh, '>', "$::opt_vardir/log/stdout.log")
     or die "open(>$::opt_vardir/log/stdout.log): $!"
       unless $copyfh;
- bless { }, shift;
+  bless { }, shift;
 }
 
 sub WRITE
diff --git a/mysql-test/lib/mtr_report.pm b/mysql-test/lib/mtr_report.pm
index 3701ad79b15..a3282704dd2 100644
--- a/mysql-test/lib/mtr_report.pm
+++ b/mysql-test/lib/mtr_report.pm
@@ -20,7 +20,9 @@
 # same name.
 
 package mtr_report;
+
 use strict;
+use Sys::Hostname;
 
 use base qw(Exporter);
 our @EXPORT= qw(report_option mtr_print_line mtr_print_thick_line
@@ -253,6 +255,7 @@ sub mtr_report_stats ($$$$) {
   # Find out how we where doing
   # ----------------------------------------------------------------------
 
+  my $tot_disabled = 0;
   my $tot_skipped= 0;
   my $tot_skipdetect= 0;
   my $tot_passed= 0;
@@ -273,6 +276,7 @@ sub mtr_report_stats ($$$$) {
     {
       # Test was skipped (disabled not counted)
       $tot_skipped++ unless $tinfo->{'disable'};
+      $tot_disabled++ if $tinfo->{'disable'};
       $tot_skipdetect++ if $tinfo->{'skip_detected_by_test'};
     }
     elsif ( $tinfo->{'result'} eq 'MTR_RES_PASSED' )
@@ -402,6 +406,92 @@ sub mtr_report_stats ($$$$) {
     print "All $tot_tests tests were successful.\n\n";
   }
 
+  if ($::opt_xml_report) {
+    my $xml_report = "";
+    my @sorted_tests = sort {$a->{'name'} cmp $b->{'name'}} @$tests;
+    my $last_suite = "";
+    my $current_suite = "";
+    my $timest = isotime(time);
+    my %suite_totals;
+    my %suite_time;
+    my %suite_tests;
+    my %suite_failed;
+    my %suite_disabled;
+    my %suite_skipped;
+    my $host = hostname;
+    my $suiteNo = 0;
+
+    # loop through test results to count totals
+    foreach my $test ( @sorted_tests ) {
+      $current_suite = $test->{'suite'}->{'name'};
+
+      if ($test->{'timer'} eq "") {
+        $test->{'timer'} = 0;
+      }
+
+      $suite_time{$current_suite} = $suite_time{$current_suite} + $test->{'timer'};
+      $suite_tests{$current_suite} = $suite_tests{$current_suite} + 1;
+
+      if ($test->{'result'} eq "MTR_RES_FAILED") {
+        $suite_failed{$current_suite} = $suite_failed{$current_suite} + 1;
+      } elsif ($test->{'result'} eq "MTR_RES_SKIPPED" && $test->{'disable'}) {
+        $suite_disabled{$current_suite} = $suite_disabled{$current_suite} + 1;
+      } elsif ($test->{'result'} eq "MTR_RES_SKIPPED") {
+        $suite_skipped{$current_suite} = $suite_skipped{$current_suite} + 1;
+      }
+
+      $suite_totals{"all_time"} = $suite_totals{"all_time"} + $test->{'timer'};
+    }
+
+    my $all_time = sprintf("%.3f", $suite_totals{"all_time"} / 1000);
+    my $suite_time = 0;
+    my $test_time = 0;
+
+    # generate xml
+    $xml_report = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
+    $xml_report .= qq(<testsuites disabled="$tot_disabled" errors="" failures="$tot_failed" name="" tests="$tot_tests" time="$all_time">\n);
+
+    foreach my $test ( @sorted_tests ) {
+      $current_suite = $test->{'suite'}->{'name'};
+
+      if ($current_suite ne $last_suite) {
+        if ($last_suite ne "") {
+          $xml_report .= "\t</testsuite>\n";
+          $suiteNo++;
+        }
+
+        $suite_time = sprintf("%.3f", $suite_time{$current_suite} / 1000);
+        $xml_report .= qq(\t<testsuite disabled="$suite_disabled{$current_suite}" errors="" failures="$suite_failed{$current_suite}" hostname="$host" id="$suiteNo" name="$current_suite" package="" skipped="$suite_skipped{$current_suite}" tests="$suite_tests{$current_suite}" time="$suite_time" timestamp="$timest">\n);
+        $last_suite = $current_suite;
+      }
+
+      $test_time = sprintf("%.3f", $test->{timer} / 1000);
+      $xml_report .= qq(\t\t<testcase assertions="" classname="$current_suite" name="$test->{'name'}" status="$test->{'result'}" time="$test_time");
+
+      my $comment = $test->{'comment'};
+      $comment =~ s/[\"]//g;
+
+      if ($test->{'result'} eq "MTR_RES_FAILED") {
+        $xml_report .= qq(>\n\t\t\t<failure message="" type="$test->{'result'}">\n<![CDATA[$test->{'logfile'}]]>\n\t\t\t</failure>\n\t\t</testcase>\n);
+      } elsif ($test->{'result'} eq "MTR_RES_SKIPPED" && $test->{'disable'}) {
+        $xml_report .= qq(>\n\t\t\t<disabled message="$comment" type="$test->{'result'}"/>\n\t\t</testcase>\n);
+      } elsif ($test->{'result'} eq "MTR_RES_SKIPPED") {
+        $xml_report .= qq(>\n\t\t\t<skipped message="$comment" type="$test->{'result'}"/>\n\t\t</testcase>\n);
+      } else {
+        $xml_report .= " />\n";
+      }
+    }
+
+    $xml_report .= "\t</testsuite>\n</testsuites>\n";
+
+    # save to file
+    my $xml_file = $::opt_xml_report;
+
+    open XML_FILE, ">", $xml_file or die "Cannot create file $xml_file: $!";
+    print XML_FILE $xml_report;
+    close XML_FILE;
+  }
+
   if (@$extra_warnings)
   {
     print <<MSG;
diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 2df95f9ffe7..2026f0aefed 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -128,6 +128,8 @@ our $path_testlog;
 our $default_vardir;
 our $opt_vardir;                # Path to use for var/ dir
 our $plugindir;
+our $opt_xml_report;            # XML output
+
 my $path_vardir_trace;          # unix formatted opt_vardir for trace files
 my $opt_tmpdir;                 # Path to use for tmp/ dir
 my $opt_tmpdir_pid;
@@ -730,7 +732,6 @@ sub main {
   mtr_print_line();
 
   print_total_times($opt_parallel) if $opt_report_times;
-
   mtr_report_stats($prefix, $fail, $completed, $extra_warnings);
 
   if ($opt_gcov) {
@@ -1233,6 +1234,7 @@ sub print_global_resfile {
   resfile_global("warnings", $opt_warnings ? 1 : 0);
   resfile_global("max-connections", $opt_max_connections);
   resfile_global("product", "MySQL");
+  resfile_global("xml-report", $opt_xml_report);
   # Somewhat hacky code to convert numeric version back to dot notation
   my $v1= int($mysql_version_id / 10000);
   my $v2= int(($mysql_version_id % 10000)/100);
@@ -1398,7 +1400,8 @@ sub command_line_setup {
              'help|h'                   => \$opt_usage,
 	     # list-options is internal, not listed in help
 	     'list-options'             => \$opt_list_options,
-             'skip-test-list=s'         => \@opt_skip_test_list
+             'skip-test-list=s'         => \@opt_skip_test_list,
+             'xml-report=s'             => \$opt_xml_report
            );
 
   # fix options (that take an optional argument and *only* after = sign
@@ -6603,6 +6606,7 @@ Misc options
                         phases of test execution.
   stress=ARGS           Run stress test, providing options to
                         mysql-stress-test.pl. Options are separated by comma.
+  xml-report=<file>     Output jUnit xml file of the results.
 
 Some options that control enabling a feature for normal test runs,
 can be turned off by prepending 'no' to the option, e.g. --notimer.
diff --git a/mysql-test/r/index_merge_myisam.result b/mysql-test/r/index_merge_myisam.result
index ccb7a65ecc3..5a23092457d 100644
--- a/mysql-test/r/index_merge_myisam.result
+++ b/mysql-test/r/index_merge_myisam.result
@@ -1688,6 +1688,58 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 DROP TABLE t1;
 set optimizer_switch= @optimizer_switch_save;
 #
+# MDEV-21932: ROR union with index_merge_sort_union=off
+#
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+insert into t0 select a+10 from t0;
+insert into t0 select a+20 from t0;
+insert into t0 select a+40 from t0;
+insert into t0 select a+80 from t0;
+insert into t0 select a+160 from t0;
+delete from t0 where a > 300;
+create table t1 (
+f1 int, f2 int, f3 int, f4 int,
+primary key (f1),  key (f3),  key(f4)
+) engine=myisam;
+insert into t1 select a+100, a+100, a+100, a+100 from t0;
+insert into t1 VALUES (9,0,2,6), (9930,0,0,NULL);
+analyze table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	OK
+set optimizer_switch='index_merge_sort_union=off';
+set optimizer_switch='index_merge_union=on';
+explain select * from t1
+where (( f3 = 1 or f1 = 7 )  and f1 < 10) or
+(f3 between 2 and 2 and ( f3 = 1 or f4 < 7 ));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index_merge	PRIMARY,f3,f4	f3,PRIMARY,f3	5,4,5	NULL	3	Using union(f3,PRIMARY,f3); Using where
+select * from t1
+where (( f3 = 1 or f1 = 7 )  and f1 < 10) or
+(f3 between 2 and 2 and ( f3 = 1 or f4 < 7 ));
+f1	f2	f3	f4
+9	0	2	6
+insert into t1 values (52,0,1,0),(53,0,1,0);
+insert into t1 values (50,0,1,0),(51,0,1,0);
+insert into t1 values (48,0,1,0),(49,0,1,0);
+insert into t1 values (46,0,1,0),(47,0,1,0);
+insert into t1 values (44,0,1,0),(45,0,1,0);
+analyze table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	OK
+explain select * from t1
+where (( f3 = 1 or f1 = 7 )  and f1 < 10) or
+(f3 between 2 and 2 and ( f3 = 1 or f4 < 7 ));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index_merge	PRIMARY,f3,f4	f3,PRIMARY,f3	5,4,5	NULL	13	Using union(f3,PRIMARY,f3); Using where
+select * from t1
+where (( f3 = 1 or f1 = 7 )  and f1 < 10) or
+(f3 between 2 and 2 and ( f3 = 1 or f4 < 7 ));
+f1	f2	f3	f4
+9	0	2	6
+drop table t0,t1;
+set optimizer_switch= @optimizer_switch_save;
+#
 # MDEV-16695: Estimate for rows of derived tables is very high when we are using index_merge union
 #
 create table t0
@@ -1722,3 +1774,4 @@ key1	key2	key3	key8
 3	3	3	1021
 set @@optimizer_switch= @optimizer_switch_save;
 drop table t0;
+# End of 10.1 tests
diff --git a/mysql-test/r/mysqldump.result b/mysql-test/r/mysqldump.result
index e527dbffe43..bbd7163552e 100644
--- a/mysql-test/r/mysqldump.result
+++ b/mysql-test/r/mysqldump.result
@@ -3756,7 +3756,7 @@ DROP TABLE t1;
 #
 CREATE TABLE t1(a int);
 INSERT INTO t1 VALUES (1), (2);
-mysqldump: Input filename too long: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+mysqldump: Input filename too long: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
 DROP TABLE t1;
 CREATE TABLE t2 (a INT) ENGINE=MyISAM;
 CREATE TABLE t3 (a INT) ENGINE=MyISAM;
diff --git a/mysql-test/r/range.result b/mysql-test/r/range.result
index b55b462c8ef..26ea2c6d323 100644
--- a/mysql-test/r/range.result
+++ b/mysql-test/r/range.result
@@ -2136,6 +2136,26 @@ value1	1003560	12345
 value1	1004807	12345
 drop table t1;
 #
+# MDEV-22191: Range access is not picked when index_merge_sort_union is turned off
+#
+set @save_optimizer_switch=@@optimizer_switch;
+set @save_optimizer_switch="index_merge_sort_union=OFF";
+CREATE TABLE t1 (a INT, INDEX(a));
+INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+explain
+SELECT * FROM t1 WHERE a > 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	a	a	5	NULL	5	Using where; Using index
+SELECT * FROM t1 WHERE a > 5;
+a
+6
+7
+8
+9
+set @@optimizer_switch=@save_optimizer_switch;
+drop table t1;
+# End of 5.5 tests
+#
 # BUG#13731380: RANGE OPTIMIZER CALLS RECORDS_IN_RANGE() FOR OPEN RANGE
 #
 CREATE TABLE t1 (pk INT PRIMARY KEY);
diff --git a/mysql-test/r/range_innodb.result b/mysql-test/r/range_innodb.result
index 38a8964bb61..f2349f26571 100644
--- a/mysql-test/r/range_innodb.result
+++ b/mysql-test/r/range_innodb.result
@@ -37,6 +37,33 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	10	
 1	SIMPLE	t2	range	a,b	b	5	NULL	201	Using where; Using join buffer (flat, BNL join)
 drop table t0,t1,t2;
+#
+# MDEV-10466: constructing an invalid SEL_ARG
+#
+create table t1 (
+pk int, a int, b int,
+primary key (pk), index idx1(b), index idx2(b)
+) engine=innodb;
+Warnings:
+Note	1831	Duplicate index `idx2`. This is deprecated and will be disallowed in a future release
+insert into t1 values (1,6,0),(2,1,0),(3,5,2),(4,8,0);
+create table t2 (c int) engine=innodb;
+insert into t2 values (1),(2);
+create table t3 (d int) engine=innodb;
+insert into t3 values (3),(-1),(4);
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='extended_keys=on';
+explain
+select pk, a, b from t1,t2,t3 where b >= d and pk < c and b = '0';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	
+1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	3	Using join buffer (flat, BNL join)
+1	SIMPLE	t1	ALL	PRIMARY,idx1,idx2	NULL	NULL	NULL	4	Using where; Using join buffer (incremental, BNL join)
+select pk, a, b from t1,t2,t3 where b >= d and pk < c and b = '0';
+pk	a	b
+1	6	0
+set optimizer_switch=@save_optimizer_switch;
+drop table t1,t2,t3;
 CREATE TABLE t1 (
 pk INT PRIMARY KEY, f1 INT, f2 CHAR(1), f3 CHAR(1),
 KEY(f1), KEY(f2)
@@ -80,3 +107,4 @@ ERROR HY000: Table definition has changed, please retry transaction
 DROP TABLE t0,t1;
 SET @@GLOBAL.debug_dbug = @saved_dbug;
 set @@optimizer_switch= @optimizer_switch_save;
+# End of 10.1 tests
diff --git a/mysql-test/r/range_mrr_icp.result b/mysql-test/r/range_mrr_icp.result
index 2584fc5a8bf..fe4eb99f31f 100644
--- a/mysql-test/r/range_mrr_icp.result
+++ b/mysql-test/r/range_mrr_icp.result
@@ -2138,6 +2138,26 @@ value1	1003560	12345
 value1	1004807	12345
 drop table t1;
 #
+# MDEV-22191: Range access is not picked when index_merge_sort_union is turned off
+#
+set @save_optimizer_switch=@@optimizer_switch;
+set @save_optimizer_switch="index_merge_sort_union=OFF";
+CREATE TABLE t1 (a INT, INDEX(a));
+INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+explain
+SELECT * FROM t1 WHERE a > 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	a	a	5	NULL	5	Using where; Using index
+SELECT * FROM t1 WHERE a > 5;
+a
+6
+7
+8
+9
+set @@optimizer_switch=@save_optimizer_switch;
+drop table t1;
+# End of 5.5 tests
+#
 # BUG#13731380: RANGE OPTIMIZER CALLS RECORDS_IN_RANGE() FOR OPEN RANGE
 #
 CREATE TABLE t1 (pk INT PRIMARY KEY);
diff --git a/mysql-test/r/range_vs_index_merge.result b/mysql-test/r/range_vs_index_merge.result
index 4f3c36b7660..faab314896c 100644
--- a/mysql-test/r/range_vs_index_merge.result
+++ b/mysql-test/r/range_vs_index_merge.result
@@ -1659,7 +1659,7 @@ SELECT * FROM t1 FORCE KEY (PRIMARY,f3,f4)
 WHERE ( f3 = 1 OR f1 = 7 ) AND f1 < 10
 OR f3 BETWEEN 2 AND 2 AND ( f3 = 1 OR f4 != 1 );
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	PRIMARY,f3,f4	NULL	NULL	NULL	2	Using where
+1	SIMPLE	t1	index_merge	PRIMARY,f3,f4	f3,PRIMARY,f3	5,4,5	NULL	3	Using union(f3,PRIMARY,f3); Using where
 SELECT * FROM t1 FORCE KEY (PRIMARY,f3,f4)
 WHERE ( f3 = 1 OR f1 = 7 ) AND f1 < 10
 OR f3 BETWEEN 2 AND 2 AND ( f3 = 1 OR f4 != 1 );
diff --git a/mysql-test/t/index_merge_myisam.test b/mysql-test/t/index_merge_myisam.test
index 2cee768706b..b2216bf9485 100644
--- a/mysql-test/t/index_merge_myisam.test
+++ b/mysql-test/t/index_merge_myisam.test
@@ -244,6 +244,55 @@ DROP TABLE t1;
 set optimizer_switch= @optimizer_switch_save;
 
 --echo #
+--echo # MDEV-21932: ROR union with index_merge_sort_union=off
+--echo #
+
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+insert into t0 select a+10 from t0;
+insert into t0 select a+20 from t0;
+insert into t0 select a+40 from t0;
+insert into t0 select a+80 from t0;
+insert into t0 select a+160 from t0;
+delete from t0 where a > 300;
+
+create table t1 (
+  f1 int, f2 int, f3 int, f4 int,
+  primary key (f1),  key (f3),  key(f4)
+) engine=myisam;
+insert into t1 select a+100, a+100, a+100, a+100 from t0;
+insert into t1 VALUES (9,0,2,6), (9930,0,0,NULL);
+analyze table t1;
+
+set optimizer_switch='index_merge_sort_union=off';
+set optimizer_switch='index_merge_union=on';
+
+let $q1=
+select * from t1
+   where (( f3 = 1 or f1 = 7 )  and f1 < 10) or
+              (f3 between 2 and 2 and ( f3 = 1 or f4 < 7 ));
+eval explain $q1;
+eval $q1;
+
+insert into t1 values (52,0,1,0),(53,0,1,0);
+insert into t1 values (50,0,1,0),(51,0,1,0);
+insert into t1 values (48,0,1,0),(49,0,1,0);
+insert into t1 values (46,0,1,0),(47,0,1,0);
+insert into t1 values (44,0,1,0),(45,0,1,0);
+analyze table t1;
+
+let $q2=
+select * from t1
+   where (( f3 = 1 or f1 = 7 )  and f1 < 10) or
+              (f3 between 2 and 2 and ( f3 = 1 or f4 < 7 ));
+eval explain $q2;
+eval $q2;
+
+drop table t0,t1;
+
+set optimizer_switch= @optimizer_switch_save;
+
+--echo #
 --echo # MDEV-16695: Estimate for rows of derived tables is very high when we are using index_merge union
 --echo #
 
@@ -270,3 +319,5 @@ explain select * from (select * from t0 where key1 = 3 or key2 =3) as Z where Z.
 select * from (select * from t0 where key1 = 3 or key2 =3) as Z where Z.key8 > 5;
 set @@optimizer_switch= @optimizer_switch_save;
 drop table t0;
+
+--echo # End of 10.1 tests
diff --git a/mysql-test/t/range.test b/mysql-test/t/range.test
index 2558ae4e404..67d876d5f10 100644
--- a/mysql-test/t/range.test
+++ b/mysql-test/t/range.test
@@ -1721,6 +1721,22 @@ select * from t1;
 drop table t1;
 
 --echo #
+--echo # MDEV-22191: Range access is not picked when index_merge_sort_union is turned off
+--echo #
+
+set @save_optimizer_switch=@@optimizer_switch;
+set @save_optimizer_switch="index_merge_sort_union=OFF";
+CREATE TABLE t1 (a INT, INDEX(a));
+INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+explain
+SELECT * FROM t1 WHERE a > 5;
+SELECT * FROM t1 WHERE a > 5;
+set @@optimizer_switch=@save_optimizer_switch;
+drop table t1;
+
+--echo # End of 5.5 tests
+
+--echo #
 --echo # BUG#13731380: RANGE OPTIMIZER CALLS RECORDS_IN_RANGE() FOR OPEN RANGE
 --echo #
 
diff --git a/mysql-test/t/range_innodb.test b/mysql-test/t/range_innodb.test
index 928ed74f784..428e5c26e5c 100644
--- a/mysql-test/t/range_innodb.test
+++ b/mysql-test/t/range_innodb.test
@@ -46,6 +46,32 @@ explain select * from t0 left join t2 on t2.a <t0.a and t2.b between 50 and 250;
 
 drop table t0,t1,t2;
 
+
+--echo #
+--echo # MDEV-10466: constructing an invalid SEL_ARG
+--echo #
+
+create table t1 (
+  pk int, a int, b int,
+  primary key (pk), index idx1(b), index idx2(b)
+) engine=innodb;
+insert into t1 values (1,6,0),(2,1,0),(3,5,2),(4,8,0);
+create table t2 (c int) engine=innodb;
+insert into t2 values (1),(2);
+create table t3 (d int) engine=innodb;
+insert into t3 values (3),(-1),(4);
+
+set @save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='extended_keys=on';
+
+explain
+select pk, a, b from t1,t2,t3 where b >= d and pk < c and b = '0';
+select pk, a, b from t1,t2,t3 where b >= d and pk < c and b = '0';
+
+set optimizer_switch=@save_optimizer_switch;
+
+drop table t1,t2,t3;
+
 CREATE TABLE t1 (
   pk INT PRIMARY KEY, f1 INT, f2 CHAR(1), f3 CHAR(1),
   KEY(f1), KEY(f2)
@@ -88,3 +114,5 @@ select * from t1 where a=10 and b=10;
 DROP TABLE t0,t1;
 SET @@GLOBAL.debug_dbug = @saved_dbug;
 set @@optimizer_switch= @optimizer_switch_save;
+
+--echo # End of 10.1 tests
diff --git a/scripts/galera_recovery.sh b/scripts/galera_recovery.sh
index 709c4b0eed5..8df2abc3fd5 100644
--- a/scripts/galera_recovery.sh
+++ b/scripts/galera_recovery.sh
@@ -101,8 +101,7 @@ wsrep_recover_position() {
 
 # Safety checks
 if [ -n "$log_file" -a -f "$log_file" ]; then
-  [ "$euid" = "0" ] && chown $user $log_file
-      chmod 600 $log_file
+  chmod 600 $log_file
 else
   log "WSREP: mktemp failed"
 fi
diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index 99508cf0b50..6663f092bc8 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -358,7 +358,8 @@ QUICK_RANGE_SELECT *get_quick_select(PARAM *param,uint index,
 static TRP_RANGE *get_key_scans_params(PARAM *param, SEL_TREE *tree,
                                        bool index_read_must_be_used,
                                        bool update_tbl_stats,
-                                       double read_time);
+                                       double read_time,
+                                       bool ror_scans_required);
 static
 TRP_INDEX_INTERSECT *get_best_index_intersect(PARAM *param, SEL_TREE *tree,
                                               double read_time);
@@ -2592,7 +2593,7 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use,
 
       /* Get best 'range' plan and prepare data for making other plans */
       if ((range_trp= get_key_scans_params(&param, tree, FALSE, TRUE,
-                                           best_read_time)))
+                                           best_read_time, FALSE)))
       {
         best_trp= range_trp;
         best_read_time= best_trp->read_cost;
@@ -4716,7 +4717,8 @@ TABLE_READ_PLAN *get_best_disjunct_quick(PARAM *param, SEL_IMERGE *imerge,
   {
     DBUG_EXECUTE("info", print_sel_tree(param, *ptree, &(*ptree)->keys_map,
                                         "tree in SEL_IMERGE"););
-    if (!(*cur_child= get_key_scans_params(param, *ptree, TRUE, FALSE, read_time)))
+    if (!(*cur_child= get_key_scans_params(param, *ptree, TRUE, FALSE,
+                                           read_time, TRUE)))
     {
       /*
         One of index scans in this index_merge is more expensive than entire
@@ -5038,7 +5040,7 @@ TABLE_READ_PLAN *merge_same_index_scans(PARAM *param, SEL_IMERGE *imerge,
          index merge retrievals are not well calibrated
     */
     trp= get_key_scans_params(param, *imerge->trees, FALSE, TRUE,
-                              read_time);
+                              read_time, TRUE);
   }
 
   DBUG_RETURN(trp); 
@@ -6766,6 +6768,7 @@ TRP_ROR_INTERSECT *get_best_covering_ror_intersect(PARAM *param,
       index_read_must_be_used if TRUE, assume 'index only' option will be set
                              (except for clustered PK indexes)
       read_time    don't create read plans with cost > read_time.
+      ror_scans_required           set to TRUE for index merge
   RETURN
     Best range read plan
     NULL if no plan found or error occurred
@@ -6774,7 +6777,8 @@ TRP_ROR_INTERSECT *get_best_covering_ror_intersect(PARAM *param,
 static TRP_RANGE *get_key_scans_params(PARAM *param, SEL_TREE *tree,
                                        bool index_read_must_be_used, 
                                        bool update_tbl_stats,
-                                       double read_time)
+                                       double read_time,
+                                       bool ror_scans_required)
 {
   uint idx, UNINIT_VAR(best_idx);
   SEL_ARG *key_to_read= NULL;
@@ -6822,6 +6826,13 @@ static TRP_RANGE *get_key_scans_params(PARAM *param, SEL_TREE *tree,
                                         update_tbl_stats, &mrr_flags,
                                         &buf_size, &cost);
 
+      if (ror_scans_required && !param->is_ror_scan &&
+          !optimizer_flag(param->thd, OPTIMIZER_SWITCH_INDEX_MERGE_SORT_UNION))
+      {
+        /* The scan is not a ROR-scan, just skip it */
+        continue;
+      }
+
       if (found_records != HA_POS_ERROR && tree->index_scans &&
           (index_scan= (INDEX_SCAN_INFO *)alloc_root(param->mem_root,
 						     sizeof(INDEX_SCAN_INFO))))
@@ -9069,7 +9080,7 @@ key_and(RANGE_OPT_PARAM *param, SEL_ARG *key1, SEL_ARG *key2, uint clone_flag)
       if (key2->next_key_part)
       {
 	key1->use_count--;			// Incremented in and_all_keys
-	return and_all_keys(param, key1, key2, clone_flag);
+        return and_all_keys(param, key1, key2->next_key_part, clone_flag);
       }
       key2->use_count--;			// Key2 doesn't have a tree
     }
diff --git a/support-files/mariadb.service.in b/support-files/mariadb.service.in
index 49d7c3efb74..1c79a0d8678 100644
--- a/support-files/mariadb.service.in
+++ b/support-files/mariadb.service.in
@@ -75,7 +75,7 @@ PermissionsStartOnly=true
 # Do not panic if galera_recovery script is not available. (MDEV-10538)
 ExecStartPre=/bin/sh -c "systemctl unset-environment _WSREP_START_POSITION"
 ExecStartPre=/bin/sh -c "[ ! -e @bindir@/galera_recovery ] && VAR= || \
- VAR=`@bindir@/galera_recovery`; [ $? -eq 0 ] \
+ VAR=`cd @bindir@/..; @bindir@/galera_recovery`; [ $? -eq 0 ] \
  && systemctl set-environment _WSREP_START_POSITION=$VAR || exit 1"
 
 # Needed to create system tables etc.
diff --git a/support-files/mariadb@.service.in b/support-files/mariadb@.service.in
index 184298dab47..79402287592 100644
--- a/support-files/mariadb@.service.in
+++ b/support-files/mariadb@.service.in
@@ -84,14 +84,14 @@ PermissionsStartOnly=true
 ExecStartPre=/bin/sh -c "systemctl unset-environment _WSREP_START_POSITION%I"
 
 ExecStartPre=/bin/sh -c "[ ! -e @bindir@/galera_recovery ] && VAR= || \
- VAR=`@bindir@/galera_recovery --defaults-file=@sysconf2dir@/my%I.cnf`; [ $? -eq 0 ] \
+ VAR=`cd @bindir@/..; @bindir@/galera_recovery --defaults-file=@sysconf2dir@/my%I.cnf`; [ $? -eq 0 ] \
  && systemctl set-environment _WSREP_START_POSITION%I=$VAR || exit 1"
 
 # Alternate: (remove ConditionPathExists above)
 # use [mysqld.INSTANCENAME] as sections in my.cnf
 #
 #ExecStartPre=/bin/sh -c "[ ! -e @bindir@/galera_recovery ] && VAR= || \
-# VAR=`@bindir@/galera_recovery --defaults-group-suffix=%I`; [ $? -eq 0 ] \
+# VAR=`cd @bindir@/..; @bindir@/galera_recovery --defaults-group-suffix=%I`; [ $? -eq 0 ] \
 # && systemctl set-environment _WSREP_START_POSITION%I=$VAR || exit 1"
 
 # Needed to create system tables etc.
diff --git a/support-files/rpm/my.cnf b/support-files/rpm/my.cnf
index 913b88f8328..8c6a7139de5 100644
--- a/support-files/rpm/my.cnf
+++ b/support-files/rpm/my.cnf
@@ -5,7 +5,7 @@
 [client-server]
 
 #
-# include all files from the config directory
+# include *.cnf from the config directory
 #
 !includedir /etc/my.cnf.d
 
diff --git a/win/packaging/heidisql.cmake b/win/packaging/heidisql.cmake
index a3d884adb56..6290ada9704 100644
--- a/win/packaging/heidisql.cmake
+++ b/win/packaging/heidisql.cmake
@@ -1,4 +1,4 @@
-SET(HEIDISQL_BASE_NAME "HeidiSQL_10.2_32_Portable")
+SET(HEIDISQL_BASE_NAME "HeidiSQL_11.0_32_Portable")
 SET(HEIDISQL_ZIP "${HEIDISQL_BASE_NAME}.zip")
 SET(HEIDISQL_URL "http://www.heidisql.com/downloads/releases/${HEIDISQL_ZIP}")
 SET(HEIDISQL_DOWNLOAD_DIR ${THIRD_PARTY_DOWNLOAD_LOCATION}/${HEIDISQL_BASE_NAME})
diff --git a/win/packaging/heidisql.wxi.in b/win/packaging/heidisql.wxi.in
index 4244b47d0d8..58d95210783 100644
--- a/win/packaging/heidisql.wxi.in
+++ b/win/packaging/heidisql.wxi.in
@@ -33,20 +33,25 @@
       <RegistryValue  Root="HKCU" Key="Software\@CPACK_WIX_PACKAGE_NAME@\Uninstall" Name="shortcuts.heidisql" Value="1" Type="string" KeyPath="yes"  />
       <Shortcut Id="startmenuHeidiSQL" Directory="ShortcutFolder" Name="HeidiSQL"  Target="[D.HeidiSQL]\heidisql.exe"/>
     </Component>
+
+
     <Component Id="component.HeidiSQL_libmysql.dll" Guid="*" Win64="no">
       <File Id="heidisql.libmysql.dll" Name="libmysql.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libmysql.dll" />
     </Component>
+    <Component Id="component.HeidiSQL_libmysql_6.1.dll" Guid="*" Win64="no">
+      <File Id="heidisql.libmysql_6.1.dll" Name="libmysql-6.1.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libmysql-6.1.dll" />
+    </Component>
     <Component Id="component.HeidiSQL_libmariadb.dll" Guid="*" Win64="no">
       <File Id="heidisql.libmariadb.dll" Name="libmariadb.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libmariadb.dll" />
     </Component>
-    <Component Id="component.HeidiSQL_libeay32.dll" Guid="*" Win64="no">
-      <File Id="heidisql.libeay32.dll" Name="libeay32.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libeay32.dll" />
+    <Component Id="component.HeidiSQL_libssl_1_1.dll" Guid="*" Win64="no">
+      <File Id="heidisql.libssl_1_1.dll" Name="libssl-1_1.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libssl-1_1.dll" />
     </Component>
-    <Component Id="component.HeidiSQL_libpq.dll" Guid="*" Win64="no">
-      <File Id="heidisql.libpq.dll" Name="libpq.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libpq.dll" />
+    <Component Id="component.HeidiSQL_libpq_10.dll" Guid="*" Win64="no">
+      <File Id="heidisql.libpq_10.dll" Name="libpq-10.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libpq-10.dll" />
     </Component>
-    <Component Id="component.HeidiSQL_ssleay32.dll" Guid="*" Win64="no">
-      <File Id="heidisql.ssleay32.dll" Name="ssleay32.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\ssleay32.dll" />
+    <Component Id="component.HeidiSQL_libcrypto_1_1.dll" Guid="*" Win64="no">
+      <File Id="heidisql.libcrypto_1_1.dll" Name="libcrypto-1_1.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libcrypto-1_1.dll" />
     </Component>
     <Component Id="component.HeidiSQL_libintl_8.dll" Guid="*" Win64="no">
       <File Id="heidisql.libintl_8.dll" Name="libintl-8.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libintl-8.dll" />
@@ -54,6 +59,9 @@
     <Component Id="component.HeidiSQL_libiconv_2.dll" Guid="*" Win64="no">
       <File Id="heidisql.libiconv_2.dll" Name="libiconv-2.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\libiconv-2.dll" />
     </Component>
+    <Component Id="component.HeidiSQL_sqlite3.dll" Guid="*" Win64="no">
+      <File Id="heidisql.sqlite3.dll" Name="sqlite3.dll" Source="${HEIDISQL_DOWNLOAD_DIR}\sqlite3.dll" />
+    </Component>
 
     <Directory Id="D.HeidiSQL.plugins" Name="plugins">
       <?foreach dll in $(var.pluginlist) ?>
@@ -76,11 +84,13 @@
   <ComponentRef Id="component.HeidiSQL_MenuShortcut"/>
   <ComponentRef Id="component.HeidiSQL_libmysql.dll"/>
   <ComponentRef Id="component.HeidiSQL_libmariadb.dll"/>
-  <ComponentRef Id="component.HeidiSQL_libeay32.dll" />
-  <ComponentRef Id="component.HeidiSQL_libpq.dll" />
-  <ComponentRef Id="component.HeidiSQL_ssleay32.dll" />
+  <ComponentRef Id="component.HeidiSQL_libssl_1_1.dll" />
+  <ComponentRef Id="component.HeidiSQL_libpq_10.dll" />
+  <ComponentRef Id="component.HeidiSQL_libcrypto_1_1.dll" />
   <ComponentRef Id="component.HeidiSQL_libintl_8.dll" />
   <ComponentRef Id="component.HeidiSQL_libiconv_2.dll" />
+  <ComponentRef Id="component.HeidiSQL_sqlite3.dll" />
+  <ComponentRef Id="component.HeidiSQL_libmysql_6.1.dll" />
   <?foreach dll in $(var.pluginlist)?>
     <ComponentRef Id="component.HeidiSQL_$(var.dll)" />
   <?endforeach?>