Merge branch '5.5' into 10.0

64 files changed, 1244 insertions, 273 deletions

diff --git a/client/mysqlcheck.c b/client/mysqlcheck.c
index c1fec38ca8c..0c34ef35966 100644
--- a/client/mysqlcheck.c
+++ b/client/mysqlcheck.c
@@ -240,7 +240,7 @@ static int process_selected_tables(char *db, char **table_names, int tables);
 static int process_all_tables_in_db(char *database);
 static int process_one_db(char *database);
 static int use_db(char *database);
-static int handle_request_for_tables(char *tables, size_t length, my_bool view);
+static int handle_request_for_tables(char *, size_t, my_bool, my_bool);
 static int dbConnect(char *host, char *user,char *passwd);
 static void dbDisconnect(char *host);
 static void DBerror(MYSQL *mysql, const char *when);
@@ -577,7 +577,7 @@ static int process_selected_tables(char *db, char **table_names, int tables)
     }
     *--end = 0;
     handle_request_for_tables(table_names_comma_sep + 1, tot_length - 1,
-                              opt_do_views != 0);
+                              opt_do_views != 0, opt_all_in_1);
     my_free(table_names_comma_sep);
   }
   else
@@ -588,7 +588,7 @@ static int process_selected_tables(char *db, char **table_names, int tables)
       view= is_view(table);
       if (view < 0)
         continue;
-      handle_request_for_tables(table, table_len, (view == 1));
+      handle_request_for_tables(table, table_len, view == 1, opt_all_in_1);
     }
   DBUG_RETURN(0);
 } /* process_selected_tables */
@@ -616,13 +616,9 @@ static char *fix_table_name(char *dest, char *src)
   *dest++= '`';
   for (; *src; src++)
   {
-    switch (*src) {
-    case '`':            /* escape backtick character */
+    if (*src == '`')
       *dest++= '`';
-      /* fall through */
-    default:
-      *dest++= *src;
-    }
+    *dest++= *src;
   }
   *dest++= '`';
 
@@ -711,9 +707,9 @@ static int process_all_tables_in_db(char *database)
     *--end = 0;
     *--views_end = 0;
     if (tot_length)
-      handle_request_for_tables(tables + 1, tot_length - 1, FALSE);
+      handle_request_for_tables(tables + 1, tot_length - 1, FALSE, opt_all_in_1);
     if (tot_views_length)
-      handle_request_for_tables(views + 1, tot_views_length - 1, TRUE);
+      handle_request_for_tables(views + 1, tot_views_length - 1, TRUE, opt_all_in_1);
     my_free(tables);
     my_free(views);
   }
@@ -739,7 +735,7 @@ static int process_all_tables_in_db(char *database)
            !strcmp(row[0], "slow_log")))
         continue;                               /* Skip logging tables */
 
-      handle_request_for_tables(row[0], fixed_name_length(row[0]), view);
+      handle_request_for_tables(row[0], fixed_name_length(row[0]), view, opt_all_in_1);
     }
   }
   mysql_free_result(res);
@@ -800,13 +796,11 @@ static int rebuild_table(char *name)
   int rc= 0;
   DBUG_ENTER("rebuild_table");
 
-  query= (char*)my_malloc(sizeof(char) * (12 + fixed_name_length(name) + 6 + 1),
+  query= (char*)my_malloc(sizeof(char) * (12 + strlen(name) + 6 + 1),
                           MYF(MY_WME));
   if (!query)
     DBUG_RETURN(1);
-  ptr= strmov(query, "ALTER TABLE ");
-  ptr= fix_table_name(ptr, name);
-  ptr= strxmov(ptr, " FORCE", NullS);
+  ptr= strxmov(query, "ALTER TABLE ", name, " FORCE", NullS);
   if (verbose >= 3)
     puts(query);
   if (mysql_real_query(sock, query, (ulong)(ptr - query)))
@@ -869,7 +863,8 @@ static int disable_binlog()
   return run_query(stmt, 0);
 }
 
-static int handle_request_for_tables(char *tables, size_t length, my_bool view)
+static int handle_request_for_tables(char *tables, size_t length,
+                                     my_bool view, my_bool dont_quote)
 {
   char *query, *end, options[100], message[100];
   char table_name_buff[NAME_CHAR_LEN*2*2+1], *table_name;
@@ -928,7 +923,7 @@ static int handle_request_for_tables(char *tables, size_t length, my_bool view)
 
   if (!(query =(char *) my_malloc(query_size, MYF(MY_WME))))
     DBUG_RETURN(1);
-  if (opt_all_in_1)
+  if (dont_quote)
   {
     DBUG_ASSERT(strlen(op)+strlen(tables)+strlen(options)+8+1 <= query_size);
 
@@ -973,6 +968,13 @@ static int handle_request_for_tables(char *tables, size_t length, my_bool view)
   DBUG_RETURN(0);
 }
 
+static void insert_table_name(DYNAMIC_ARRAY *arr, char *in, size_t dblen)
+{
+  char buf[NAME_LEN*2+2];
+  in[dblen]= 0;
+  my_snprintf(buf, sizeof(buf), "%`s.%`s", in, in + dblen + 1);
+  insert_dynamic(arr, (uchar*) buf);
+}
 
 static void print_result()
 {
@@ -980,16 +982,13 @@ static void print_result()
   MYSQL_ROW row;
   char prev[(NAME_LEN+9)*3+2];
   char prev_alter[MAX_ALTER_STR_SIZE];
-  char *db_name;
-  uint length_of_db;
+  size_t length_of_db= strlen(sock->db);
   uint i;
   my_bool found_error=0, table_rebuild=0;
   DYNAMIC_ARRAY *array4repair= &tables4repair;
   DBUG_ENTER("print_result");
 
   res = mysql_use_result(sock);
-  db_name= sock->db;
-  length_of_db= strlen(db_name);
 
   prev[0] = '\0';
   prev_alter[0]= 0;
@@ -1013,16 +1012,10 @@ static void print_result()
           if (prev_alter[0])
             insert_dynamic(&alter_table_cmds, (uchar*) prev_alter);
           else
-          {
-            char *table_name= prev + (length_of_db+1);
-            insert_dynamic(&tables4rebuild, (uchar*) table_name);
-          }
+            insert_table_name(&tables4rebuild, prev, length_of_db);
         }
         else
-        {
-          char *table_name= prev + (length_of_db+1);
-          insert_dynamic(array4repair, table_name);
-        }
+          insert_table_name(array4repair, prev, length_of_db);
       }
       array4repair= &tables4repair;
       found_error=0;
@@ -1067,16 +1060,10 @@ static void print_result()
       if (prev_alter[0])
         insert_dynamic(&alter_table_cmds, prev_alter);
       else
-      {
-        char *table_name= prev + (length_of_db+1);
-        insert_dynamic(&tables4rebuild, table_name);
-      }
+        insert_table_name(&tables4rebuild, prev, length_of_db);
     }
     else
-    {
-      char *table_name= prev + (length_of_db+1);
-      insert_dynamic(array4repair, table_name);
-    }
+      insert_table_name(array4repair, prev, length_of_db);
   }
   mysql_free_result(res);
   DBUG_VOID_RETURN;
@@ -1221,7 +1208,7 @@ int main(int argc, char **argv)
     for (i = 0; i < tables4repair.elements ; i++)
     {
       char *name= (char*) dynamic_array_ptr(&tables4repair, i);
-      handle_request_for_tables(name, fixed_name_length(name), FALSE);
+      handle_request_for_tables(name, fixed_name_length(name), FALSE, TRUE);
     }
     for (i = 0; i < tables4rebuild.elements ; i++)
       rebuild_table((char*) dynamic_array_ptr(&tables4rebuild, i));
@@ -1232,7 +1219,7 @@ int main(int argc, char **argv)
     for (i = 0; i < views4repair.elements ; i++)
     {
       char *name= (char*) dynamic_array_ptr(&views4repair, i);
-      handle_request_for_tables(name, fixed_name_length(name), TRUE);
+      handle_request_for_tables(name, fixed_name_length(name), TRUE, TRUE);
     }
   }
   ret= MY_TEST(first_error);
diff --git a/client/mysqlimport.c b/client/mysqlimport.c
index 5b15155e039..aee445d387d 100644
--- a/client/mysqlimport.c
+++ b/client/mysqlimport.c
@@ -37,6 +37,7 @@
 
 /* Global Thread counter */
 uint counter= 0;
+pthread_mutex_t init_mutex;
 pthread_mutex_t counter_mutex;
 pthread_cond_t count_threshhold;
 
@@ -421,8 +422,19 @@ static MYSQL *db_connect(char *host, char *database,
   MYSQL *mysql;
   if (verbose)
     fprintf(stdout, "Connecting to %s\n", host ? host : "localhost");
-  if (!(mysql= mysql_init(NULL)))
-    return 0;
+  if (opt_use_threads && !lock_tables)
+  {
+    pthread_mutex_lock(&init_mutex);
+    if (!(mysql= mysql_init(NULL)))
+    {
+      pthread_mutex_unlock(&init_mutex);
+      return 0;
+    }
+    pthread_mutex_unlock(&init_mutex);
+  }
+  else
+    if (!(mysql= mysql_init(NULL)))
+      return 0;
   if (opt_compress)
     mysql_options(mysql,MYSQL_OPT_COMPRESS,NullS);
   if (opt_local_file)
@@ -614,7 +626,7 @@ error:
   pthread_cond_signal(&count_threshhold);
   pthread_mutex_unlock(&counter_mutex);
   mysql_thread_end();
-
+  pthread_exit(0);
   return 0;
 }
 
@@ -638,15 +650,31 @@ int main(int argc, char **argv)
 
   if (opt_use_threads && !lock_tables)
   {
-    pthread_t mainthread;            /* Thread descriptor */
-    pthread_attr_t attr;          /* Thread attributes */
+    char **save_argv;
+    uint worker_thread_count= 0, table_count= 0, i= 0;
+    pthread_t *worker_threads;       /* Thread descriptor */
+    pthread_attr_t attr;             /* Thread attributes */
     pthread_attr_init(&attr);
     pthread_attr_setdetachstate(&attr,
-                                PTHREAD_CREATE_DETACHED);
+                                PTHREAD_CREATE_JOINABLE);
 
+    pthread_mutex_init(&init_mutex, NULL);
     pthread_mutex_init(&counter_mutex, NULL);
     pthread_cond_init(&count_threshhold, NULL);
 
+    /* Count the number of tables. This number denotes the total number
+       of threads spawn.
+    */
+    save_argv= argv;
+    for (table_count= 0; *argv != NULL; argv++)
+      table_count++;
+    argv= save_argv;
+
+    if (!(worker_threads= (pthread_t*) my_malloc(table_count *
+                                                 sizeof(*worker_threads),
+                                                 MYF(0))))
+      return -2;
+
     for (counter= 0; *argv != NULL; argv++) /* Loop through tables */
     {
       pthread_mutex_lock(&counter_mutex);
@@ -661,15 +689,16 @@ int main(int argc, char **argv)
       counter++;
       pthread_mutex_unlock(&counter_mutex);
       /* now create the thread */
-      if (pthread_create(&mainthread, &attr, worker_thread, 
-                         (void *)*argv) != 0)
+      if (pthread_create(&worker_threads[worker_thread_count], &attr,
+                         worker_thread, (void *)*argv) != 0)
       {
         pthread_mutex_lock(&counter_mutex);
         counter--;
         pthread_mutex_unlock(&counter_mutex);
-        fprintf(stderr,"%s: Could not create thread\n",
-                my_progname);
+        fprintf(stderr,"%s: Could not create thread\n", my_progname);
+        continue;
       }
+      worker_thread_count++;
     }
 
     /*
@@ -684,9 +713,18 @@ int main(int argc, char **argv)
       pthread_cond_timedwait(&count_threshhold, &counter_mutex, &abstime);
     }
     pthread_mutex_unlock(&counter_mutex);
+    pthread_mutex_destroy(&init_mutex);
     pthread_mutex_destroy(&counter_mutex);
     pthread_cond_destroy(&count_threshhold);
     pthread_attr_destroy(&attr);
+
+    for(i= 0; i < worker_thread_count; i++)
+    {
+      if (pthread_join(worker_threads[i], NULL))
+        fprintf(stderr,"%s: Could not join worker thread.\n", my_progname);
+    }
+
+    my_free(worker_threads);
   }
   else
   {
diff --git a/mysql-test/include/report-features.test b/mysql-test/include/report-features.test
deleted file mode 100644
index 75879f67165..00000000000
--- a/mysql-test/include/report-features.test
+++ /dev/null
@@ -1,12 +0,0 @@
-#
-# show server variables
-#
-
---disable_query_log
---echo ===== ENGINES =====
-show engines; 
---echo ===== VARIABLES =====
-show variables; 
---echo ===== STOP =====
---enable_query_log
-exit;
diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index f75f65f0644..5af19c8b9b6 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -279,7 +279,6 @@ my $opt_port_base= $ENV{'MTR_PORT_BASE'} || "auto";
 my $build_thread= 0;
 
 my $opt_record;
-my $opt_report_features;
 
 our $opt_resfile= $ENV{'MTR_RESULT_FILE'} || 0;
 
@@ -434,21 +433,6 @@ sub main {
     exit 0;
   }
 
-  if ( $opt_report_features ) {
-    # Put "report features" as the first test to run
-    my $tinfo = My::Test->new
-      (
-       name           => 'report_features',
-       # No result_file => Prints result
-       path           => 'include/report-features.test',
-       template_path  => "include/default_my.cnf",
-       master_opt     => [],
-       slave_opt      => [],
-       suite          => 'main',
-      );
-    unshift(@$tests, $tinfo);
-  }
-
   #######################################################################
   my $num_tests= @$tests;
   if ( $opt_parallel eq "auto" ) {
@@ -1214,7 +1198,6 @@ sub command_line_setup {
              'client-libdir=s'          => \$path_client_libdir,
 
              # Misc
-             'report-features'          => \$opt_report_features,
              'comment=s'                => \$opt_comment,
              'fast'                     => \$opt_fast,
 	     'force-restart'            => \$opt_force_restart,
@@ -6634,7 +6617,6 @@ Misc options
   gprof                 Collect profiling information using gprof.
   experimental=<file>   Refer to list of tests considered experimental;
                         failures will be marked exp-fail instead of fail.
-  report-features       First run a "test" that reports mysql features
   timestamp             Print timestamp before each test report line
   timediff              With --timestamp, also print time passed since
                         *previous* test started
diff --git a/mysql-test/r/func_group.result b/mysql-test/r/func_group.result
index ac076ec4348..38fae2f0a4f 100644
--- a/mysql-test/r/func_group.result
+++ b/mysql-test/r/func_group.result
@@ -2270,3 +2270,42 @@ t2_id	GROUP_CONCAT(IF (t6.b, t6.f, t5.f) ORDER BY 1)
 EXECUTE stmt;
 t2_id	GROUP_CONCAT(IF (t6.b, t6.f, t5.f) ORDER BY 1)
 DROP TABLE t1,t2,t3,t4,t5,t6;
+#
+# MDEV-10500 CASE/IF Statement returns multiple values and shifts further result values to the next column
+#
+CREATE TABLE t1 (
+id int not null AUTO_INCREMENT,
+active bool not null,
+data1 bigint,
+data2 bigint,
+data3 bigint,
+primary key (id)
+);
+INSERT INTO t1 (active,data1,data2,data3) VALUES (1,null,100,200);
+SELECT
+CASE WHEN active THEN SUM(data1) END AS C_1,
+SUM(data2) AS C_2,
+SUM(data3) AS C_3
+FROM t1;
+C_1	C_2	C_3
+NULL	100	200
+SELECT
+IF(active, SUM(data1), 5) AS C_1,
+SUM(data2) AS C_2,
+SUM(data3) AS C_3
+FROM t1;
+C_1	C_2	C_3
+NULL	100	200
+DROP TABLE t1;
+#
+# MDEV-10468 Assertion `nr >= 0.0' failed in Item_sum_std::val_real()
+#
+SELECT STDDEV_POP(f) FROM (SELECT "1e+309" AS f UNION SELECT "-1e+309" AS f) tbl;
+STDDEV_POP(f)
+1.7976931348623157e308
+Warnings:
+Warning	1292	Truncated incorrect DOUBLE value: '1e+309'
+Warning	1292	Truncated incorrect DOUBLE value: '-1e+309'
+SELECT STDDEV(f) FROM (SELECT 1.7976931348623157e+308 AS f UNION SELECT -1.7976931348623157e+308 AS f) tbl;
+STDDEV(f)
+1.7976931348623157e308
diff --git a/mysql-test/r/func_math.result b/mysql-test/r/func_math.result
index 1259661f0b6..32352dddd86 100644
--- a/mysql-test/r/func_math.result
+++ b/mysql-test/r/func_math.result
@@ -777,10 +777,16 @@ select 5.9 div 2, 1.23456789e3 DIV 2, 1.23456789e9 DIV 2, 1.23456789e19 DIV 2;
 5.9 div 2	1.23456789e3 DIV 2	1.23456789e9 DIV 2	1.23456789e19 DIV 2
 2	617	617283945	6172839450000000000
 #
-# End of 5.5 tests
+# MDEV-10467 Assertion `nr >= 0.0' failed in Item_sum_std::val_real()
 #
+CREATE TABLE t1 (i INT);
+INSERT INTO t1 VALUES (1),(2);
+SELECT STDDEV_SAMP(ROUND('0', 309)) FROM t1;
+STDDEV_SAMP(ROUND('0', 309))
+0
+DROP TABLE t1;
 #
-# Start of 10.0 tests
+# End of 5.5 tests
 #
 #
 # MDEV-5781 Item_sum_std::val_real(): Assertion `nr >= 0.0' fails on query with STDDEV_POP, ROUND and variable
diff --git a/mysql-test/r/func_misc.result b/mysql-test/r/func_misc.result
index bab360d677d..580982f1ede 100644
--- a/mysql-test/r/func_misc.result
+++ b/mysql-test/r/func_misc.result
@@ -571,6 +571,13 @@ AND 57813X540X1723 = 'Test';
 N	AVG
 0	NULL
 drop table t1;
+SELECT NAME_CONST('a', -(1 OR 2)) OR 1;
+ERROR HY000: Incorrect arguments to NAME_CONST
+SELECT NAME_CONST('a', -(1 AND 2)) OR 1;
+ERROR HY000: Incorrect arguments to NAME_CONST
+SELECT NAME_CONST('a', -(1)) OR 1;
+NAME_CONST('a', -(1)) OR 1
+1
 #
 # End of 5.5 tests
 #
diff --git a/mysql-test/r/loaddata.result b/mysql-test/r/loaddata.result
index 2d67d24bedd..2f2a3579eec 100644
--- a/mysql-test/r/loaddata.result
+++ b/mysql-test/r/loaddata.result
@@ -507,7 +507,7 @@ DROP TABLE t1;
 # Bug#11765139  58069: LOAD DATA INFILE: VALGRIND REPORTS INVALID MEMORY READS AND WRITES WITH U
 #
 CREATE TABLE t1(f1 INT);
-SELECT 0xE1BB30 INTO OUTFILE 't1.dat';
+SELECT 0xE1C330 INTO OUTFILE 't1.dat';
 LOAD DATA INFILE 't1.dat' IGNORE INTO TABLE t1 CHARACTER SET utf8;
 DROP TABLE t1;
 #
@@ -532,3 +532,27 @@ FIELDS TERMINATED BY 't' LINES TERMINATED BY '';
 Got one of the listed errors
 SET @@sql_mode= @old_mode;
 DROP TABLE t1;
+
+#
+#  Bug#23080148 - Backport of Bug#20683959.
+#  Bug#20683959 LOAD DATA INFILE IGNORES A SPECIFIC ROW SILENTLY
+#               UNDER DB CHARSET IS UTF8.
+#
+CREATE DATABASE d1 CHARSET latin1;
+USE d1;
+CREATE TABLE t1 (val TEXT);
+LOAD DATA INFILE '../../std_data/bug20683959loaddata.txt' INTO TABLE t1;
+SELECT COUNT(*) FROM t1;
+COUNT(*)
+1
+SELECT HEX(val) FROM t1;
+HEX(val)
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
+CREATE DATABASE d2 CHARSET utf8;
+USE d2;
+CREATE TABLE t1 (val TEXT);
+LOAD DATA INFILE '../../std_data/bug20683959loaddata.txt' INTO TABLE t1;
+ERROR HY000: Invalid utf8 character string: 'Ã"RT @niouzechun: \9058\221A'
+DROP TABLE d1.t1, d2.t1;
+DROP DATABASE d1;
+DROP DATABASE d2;
diff --git a/mysql-test/r/myisam_enable_keys-10506.result b/mysql-test/r/myisam_enable_keys-10506.result
new file mode 100644
index 00000000000..e7ffba787f0
--- /dev/null
+++ b/mysql-test/r/myisam_enable_keys-10506.result
@@ -0,0 +1,114 @@
+CREATE TABLE t1 (
+pk INT AUTO_INCREMENT,
+i INT,
+d DATE,
+dt DATETIME,
+v VARCHAR(1),
+PRIMARY KEY (pk),
+KEY (dt)
+) ENGINE=MyISAM;
+INSERT INTO t1 (i, d, dt, v) VALUES 
+(9, '2005-07-23', '2004-05-13 01:01:39', 't'),
+(2, '2009-11-01', '2003-12-24 07:39:29', 'h'),
+(6, NULL, '2008-07-03 05:32:22', 'l'),
+(6, '2007-07-16', '2008-08-28 18:46:11', 'j'),
+(5, NULL, '2001-07-12 21:27:00', 'h'),
+(3, '2007-07-22', '1900-01-01 00:00:00', 'p'),
+(2, '2000-11-21', '2007-05-25 11:58:54', 'g'),
+(6, '1900-01-01', '2009-06-03 17:11:10', 'i'),
+(2, '2008-02-10', '2001-06-15 16:20:07', 'p'),
+(3, '2009-06-04', '1900-01-01 00:00:00', 'h'),
+(9, '2007-04-25', '1900-01-01 00:00:00', 'e'),
+(9, '2006-03-02', '1900-01-01 00:00:00', 'e'),
+(1, '1900-01-01', '2002-11-08 09:33:27', 'u'),
+(7, '2008-07-13', '2007-08-07 17:35:52', 'j'),
+(0, '2004-11-12', '2006-05-01 00:00:00', 'e'),
+(0, '1900-01-01', '2003-05-01 00:00:00', 'z'),
+(1, '2009-09-02', '2007-02-12 09:30:49', 'w'),
+(0, '2004-11-06', '1900-01-01 00:00:00', 't'),
+(4, '2003-01-06', '2002-07-03 02:51:11', 'i'),
+(6, '2006-01-14', '2008-02-26 04:57:32', 'i'),
+(0, '2002-01-19', '2009-02-12 00:00:00', 'i'),
+(8, '2007-02-12', '1900-01-01 00:00:00', 'b'),
+(4, '1900-01-01', '2001-05-16 05:28:40', 'm'),
+(2, '2005-07-16', NULL, 'j'),
+(1, '2004-09-04', '2001-01-24 21:45:18', 'v'),
+(3, '2009-07-01', NULL, NULL),
+(2, '2009-07-21', '2002-07-24 00:00:00', 'h'),
+(4, NULL, '2001-11-03 12:22:30', 'q'),
+(1, '2002-06-22', '2008-06-17 03:17:59', 'f'),
+(7, '2005-06-23', '2005-12-24 00:00:00', 'p'),
+(6, '2001-05-20', '2008-10-23 00:00:00',  NULL),
+(3, '2001-10-01', '2000-10-12 16:32:35', 'o'),
+(3, '2001-01-07', '2005-09-11 10:09:54', 'w'),
+(6, '2007-11-02', '2009-09-10 01:44:18', 'l'),
+(6, NULL, NULL, 'i'),
+(9, NULL, '2002-05-18 15:21:55', 'd'),
+(4, '2008-12-21', '2004-10-15 10:09:54', 'j'),
+(6, '2003-10-05', '2009-07-13 03:51:02', 'e'),
+(2, '2001-03-03', '1900-01-01 00:00:00', 'e'),
+(2, '2007-04-04', '2001-11-08 21:14:52', 'q'),
+(5, NULL, '2006-12-02 00:00:00', 'm'),
+(0, '2009-01-04', '1900-01-01 00:00:00', NULL),
+(8, '2008-04-03', '2005-01-01 11:55:18', 'q'),
+(8, NULL, '2005-02-28 03:44:02', 'w'),
+(0, '2003-08-22', NULL, 'c'),
+(9, '1900-01-01', NULL, 'y'),
+(NULL, NULL, '2006-08-25 16:28:09', 'g'),
+(5, '2004-07-04', '2002-08-11 00:00:00', 'z'),
+(1, '1900-01-01', '2007-07-22 21:19:18', 'm'),
+(2, '2007-02-04', '2006-02-10 18:41:38', 't'),
+(2, '1900-01-01', '2009-02-16 14:58:58', 'd'),
+(7, '2001-03-14', '2007-08-14 00:00:00', 'h'),
+(0, NULL, '1900-01-01 00:00:00', NULL),
+(1, '2008-10-05', NULL, 'f'),
+(6, '2001-11-25', '2008-12-03 06:59:23', 'l'),
+(NULL, '2003-01-27', '2008-10-04 00:00:00', 'g'),
+(8, '2008-08-08', '2009-07-07 07:00:21', 'v'),
+(8, '2006-07-03', '2001-04-15 00:00:00', NULL),
+(5, '2002-11-21', '2007-07-08 04:01:58', 'm'),
+(5, '2006-04-08', '2007-09-23 00:01:35', 'i'),
+(5, '2001-05-06', '2008-05-15 00:00:00', 'h'),
+(7, '1900-01-01', '1900-01-01 00:00:00', 'u'),
+(30, '2007-04-16', '2004-03-05 23:35:38', 'o'),
+(NULL, '1900-01-01', '2007-08-25 01:32:47', 'z'),
+(6, '2004-12-03', '1900-01-01 00:00:00', 'o'),
+(8, '2001-06-23', '1900-01-01 00:00:00', 'f'),
+(NULL, '2008-12-15', '2001-05-19 08:28:28', 'a'),
+(9, '2000-02-15', '2009-09-03 06:07:22', 'd'),
+(2, '2001-08-05', '2006-10-08 07:17:27', 'k'),
+(5, '2004-01-17', '2003-09-06 20:36:01', 'd'),
+(4, '2003-10-01', '2001-02-05 18:10:49', 'u'),
+(4, '2003-07-28', '2001-01-07 16:11:37', 'h'),
+(0, '1900-01-01', '2008-08-01 05:26:38', 'w'),
+(9, '1900-01-01', '2001-05-08 00:00:00', 't'),
+(1, '2000-04-17', '2008-07-10 21:26:28', 'i'),
+(8, '2002-01-05', '2006-08-06 20:56:35', 'k'),
+(9, '2001-04-10', '2003-02-17 00:00:00', 'z'),
+(0, '2009-12-04', NULL, 'h'),
+(7, NULL, '2004-10-27 00:29:57', 'h'),
+(2, '2006-03-07', '2008-03-04 06:14:13', 'b'),
+(0, '2001-10-15', '2001-03-17 00:00:00', 'm'),
+(5, '1900-01-01', '2009-02-21 11:35:50', 'i'),
+(4, NULL, '1900-01-01 00:00:00', 'w'),
+(5, '2009-04-05', '1900-01-01 00:00:00', 'm'),
+(6, '2001-03-19', '2001-04-12 00:00:00', 'q'),
+(NULL, '2009-12-08', '2001-12-04 20:21:01', 'k'),
+(2, '2005-02-09', '2001-05-27 08:41:01', 'l'),
+(9, '2004-05-25', '2004-09-18 00:00:00', 'c'),
+(3, '2005-01-17', '2002-09-12 11:18:48', 'd'),
+(0, '2003-08-28', '1900-01-01 00:00:00', 'k'),
+(6, '2006-10-11', '2003-10-28 03:31:02', 'a'),
+(5, '1900-01-01', '2001-08-22 10:20:09', 'p'),
+(8, '1900-01-01', '2008-04-24 00:00:00', 'o'),
+(4, '2005-08-18', '2006-11-10 10:08:49', 'e'),
+(NULL, '2007-03-12', '2007-10-16 00:00:00', 'n'),
+(1, '2000-11-18', '2009-05-27 12:25:07', 't'),
+(4, '2001-03-03', NULL, 'u'),
+(3, '2003-09-11', '2001-09-10 18:10:10', 'f'),
+(4, '2007-06-17', '1900-01-01 00:00:00', 't'),
+(NULL, '2008-09-11', '2004-06-07 23:17:09', 'k');
+ALTER TABLE t1 ADD UNIQUE KEY ind1 (pk, d, i, v);
+ALTER TABLE t1 ADD UNIQUE KEY ind2 (d, v);
+ERROR 23000: Duplicate entry '2008-09-11-k' for key 'ind2'
+DROP TABLE t1;
diff --git a/mysql-test/r/mysqlcheck.result b/mysql-test/r/mysqlcheck.result
index b86f3a7e1aa..256b1375b6b 100644
--- a/mysql-test/r/mysqlcheck.result
+++ b/mysql-test/r/mysqlcheck.result
@@ -343,10 +343,37 @@ DROP TABLE bug47205;
 #
 #MDEV-6128:[PATCH] mysqlcheck wrongly escapes '.' in table names
 #
-CREATE TABLE test.`t.1` (id int);
+create table `t.1` (id int);
+create view `v.1` as select 1;
 mysqlcheck test t.1
 test.t.1                                           OK
-drop table test.`t.1`;
+mysqlcheck --all-in-1 test t.1
+test.t.1                                           OK
+mysqlcheck --all-in-1 --databases --process-views test
+test.t.1                                           OK
+test.v.1                                           OK
+create table `t.2`(a varchar(20) primary key) default character set utf8 collate utf8_general_ci engine=innodb;
+flush table `t.2`;
+mysqlcheck --check-upgrade --auto-repair test
+test.t.1                                           OK
+test.t.2
+error    : Table rebuild required. Please do "ALTER TABLE `t.2` FORCE" or dump/reload to fix it!
+test.t.3                                           Needs upgrade
+
+Repairing tables
+test.t.3                                           OK
+check table `t.1`, `t.2`, `t.3`;
+Table	Op	Msg_type	Msg_text
+test.t.1	check	status	OK
+test.t.2	check	status	OK
+test.t.3	check	status	OK
+check table `t.1`, `t.2`, `t.3` for upgrade;
+Table	Op	Msg_type	Msg_text
+test.t.1	check	status	OK
+test.t.2	check	status	OK
+test.t.3	check	status	OK
+drop view `v.1`;
+drop table test.`t.1`, `t.2`, `t.3`;
 #
 # MDEV-8123 mysqlcheck: new --process-views option conflicts with --quick, --extended and such
 #
@@ -381,6 +408,57 @@ show tables;
 Tables_in_test
 t1`1
 drop table `t1``1`;
+call mtr.add_suppression("ha_myisam");
+call mtr.add_suppression("Checking table");
+create database mysqltest1;
+create table mysqltest1.t1 (a int) engine=myisam;
+create table t2 (a int);
+check table mysqltest1.t1;
+Table	Op	Msg_type	Msg_text
+mysqltest1.t1	check	warning	Size of datafile is: 4       Should be: 0
+mysqltest1.t1	check	error	got error: 0 when reading datafile at record: 0
+mysqltest1.t1	check	error	Corrupt
+mtr.global_suppressions                            Table is already up to date
+mtr.test_suppressions                              Table is already up to date
+mysql.column_stats                                 Table is already up to date
+mysql.columns_priv                                 Table is already up to date
+mysql.db                                           Table is already up to date
+mysql.event                                        Table is already up to date
+mysql.func                                         Table is already up to date
+mysql.gtid_slave_pos                               Table is already up to date
+mysql.help_category                                Table is already up to date
+mysql.help_keyword                                 Table is already up to date
+mysql.help_relation                                Table is already up to date
+mysql.help_topic                                   Table is already up to date
+mysql.host                                         Table is already up to date
+mysql.index_stats                                  Table is already up to date
+mysql.innodb_index_stats                           OK
+mysql.innodb_table_stats                           OK
+mysql.plugin                                       Table is already up to date
+mysql.proc                                         Table is already up to date
+mysql.procs_priv                                   Table is already up to date
+mysql.proxies_priv                                 Table is already up to date
+mysql.roles_mapping                                Table is already up to date
+mysql.servers                                      Table is already up to date
+mysql.table_stats                                  Table is already up to date
+mysql.tables_priv                                  Table is already up to date
+mysql.time_zone                                    Table is already up to date
+mysql.time_zone_leap_second                        Table is already up to date
+mysql.time_zone_name                               Table is already up to date
+mysql.time_zone_transition                         Table is already up to date
+mysql.time_zone_transition_type                    Table is already up to date
+mysql.user                                         Table is already up to date
+mysqltest1.t1
+warning  : Table is marked as crashed
+warning  : Size of datafile is: 4       Should be: 0
+error    : got error: 0 when reading datafile at record: 0
+error    : Corrupt
+test.t2                                            Table is already up to date
+
+Repairing tables
+mysqltest1.t1                                      OK
+drop table t2;
+drop database mysqltest1;
 #
 #MDEV-7384 [PATCH] add PERSISENT FOR ALL option to mysqlanalyze/mysqlcheck
 #
diff --git a/mysql-test/r/range.result b/mysql-test/r/range.result
index 89fac898414..51e4e313eac 100644
--- a/mysql-test/r/range.result
+++ b/mysql-test/r/range.result
@@ -2114,6 +2114,37 @@ a	b
 1	1
 drop table t2;
 #
+# MDEV-10228: Delete missing rows with OR conditions
+#  (The example uses UPDATE, because UPDATE allows to use index hints
+#   and so it's possible to make an example that works with any storage
+#   engine)
+#
+CREATE TABLE t1 (
+key1varchar varchar(14) NOT NULL,
+key2int int(11) NOT NULL DEFAULT '0',
+col1 int,
+PRIMARY KEY (key1varchar,key2int),
+KEY key1varchar (key1varchar),
+KEY key2int (key2int)
+) DEFAULT CHARSET=utf8;
+insert into t1 values 
+('value1',0, 0),
+('value1',1, 0),
+('value1',1000685, 0),
+('value1',1003560, 0),
+('value1',1004807, 0);
+update t1 force index (PRIMARY) set col1=12345
+where (key1varchar='value1' AND (key2int <=1 OR  key2int > 1));
+# The following must show col1=12345 for all rows:
+select * from t1;
+key1varchar	key2int	col1
+value1	0	12345
+value1	1	12345
+value1	1000685	12345
+value1	1003560	12345
+value1	1004807	12345
+drop table t1;
+#
 # 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_mrr_icp.result b/mysql-test/r/range_mrr_icp.result
index 0350e36eec9..16c0825b2e2 100644
--- a/mysql-test/r/range_mrr_icp.result
+++ b/mysql-test/r/range_mrr_icp.result
@@ -2116,6 +2116,37 @@ a	b
 1	1
 drop table t2;
 #
+# MDEV-10228: Delete missing rows with OR conditions
+#  (The example uses UPDATE, because UPDATE allows to use index hints
+#   and so it's possible to make an example that works with any storage
+#   engine)
+#
+CREATE TABLE t1 (
+key1varchar varchar(14) NOT NULL,
+key2int int(11) NOT NULL DEFAULT '0',
+col1 int,
+PRIMARY KEY (key1varchar,key2int),
+KEY key1varchar (key1varchar),
+KEY key2int (key2int)
+) DEFAULT CHARSET=utf8;
+insert into t1 values 
+('value1',0, 0),
+('value1',1, 0),
+('value1',1000685, 0),
+('value1',1003560, 0),
+('value1',1004807, 0);
+update t1 force index (PRIMARY) set col1=12345
+where (key1varchar='value1' AND (key2int <=1 OR  key2int > 1));
+# The following must show col1=12345 for all rows:
+select * from t1;
+key1varchar	key2int	col1
+value1	0	12345
+value1	1	12345
+value1	1000685	12345
+value1	1003560	12345
+value1	1004807	12345
+drop table t1;
+#
 # BUG#13731380: RANGE OPTIMIZER CALLS RECORDS_IN_RANGE() FOR OPEN RANGE
 #
 CREATE TABLE t1 (pk INT PRIMARY KEY);
diff --git a/mysql-test/r/sp-prelocking.result b/mysql-test/r/sp-prelocking.result
index 9e82a966268..5b594e9ea55 100644
--- a/mysql-test/r/sp-prelocking.result
+++ b/mysql-test/r/sp-prelocking.result
@@ -320,3 +320,23 @@ c2
 DROP TRIGGER t1_ai;
 DROP TABLE t1, t2;
 End of 5.0 tests
+#
+# Bug#21142859: FUNCTION UPDATING A VIEW FAILS TO FIND TABLE THAT ACTUALLY EXISTS
+#
+CREATE TABLE t1 SELECT 1 AS fld1, 'A' AS fld2;
+CREATE TABLE t2 (fld3 INT, fld4 CHAR(1));
+CREATE VIEW v1 AS SELECT * FROM t1;
+CREATE TRIGGER t1_au AFTER UPDATE ON t1
+FOR EACH ROW INSERT INTO t2 VALUES (new.fld1, new.fld2);
+CREATE FUNCTION f1() RETURNS INT
+BEGIN
+UPDATE v1 SET fld2='B' WHERE fld1=1;
+RETURN row_count();
+END !
+# Without the patch, an error was getting reported.
+SELECT f1();
+f1()
+1
+DROP FUNCTION f1;
+DROP VIEW v1;
+DROP TABLE t1,t2;
diff --git a/mysql-test/r/type_date.result b/mysql-test/r/type_date.result
index 7e5ac85a552..ea21115a755 100644
--- a/mysql-test/r/type_date.result
+++ b/mysql-test/r/type_date.result
@@ -165,6 +165,7 @@ str_to_date( '', a )
 NULL
 DROP TABLE t1;
 CREATE TABLE t1 (a DATE, b INT, PRIMARY KEY (a,b));
+SET timestamp=UNIX_TIMESTAMP('2016-07-21 14:48:18');
 INSERT INTO t1 VALUES (DATE(NOW()), 1);
 SELECT COUNT(*) FROM t1 WHERE a = NOW();
 COUNT(*)
@@ -192,6 +193,7 @@ COUNT(*)
 EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+SET timestamp=DEFAULT;
 DROP TABLE t1;
 CREATE TABLE t1 (a DATE);
 CREATE TABLE t2 (a DATE);
diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result
index 96c35d9dcb3..a92ccbdde94 100644
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@@ -5518,6 +5518,21 @@ test.v1	check	Error	'test.v1' is not BASE TABLE
 test.v1	check	status	Operation failed
 drop view v1;
 drop table t1;
+#
+# MDEV-10419: crash in mariadb 10.1.16-MariaDB-1~trusty
+#
+CREATE TABLE t1 (c1 CHAR(13));
+CREATE TABLE t2 (c2 CHAR(13));
+CREATE FUNCTION f() RETURNS INT RETURN 0;
+CREATE OR REPLACE VIEW v1 AS select f() from t1 where c1 in (select c2 from t2);
+DROP FUNCTION f;
+SHOW CREATE VIEW v1;
+View	Create View	character_set_client	collation_connection
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `f`() AS `f()` from `t1` where `test`.`t1`.`c1` in (select `test`.`t2`.`c2` from `t2`)	latin1	latin1_swedish_ci
+Warnings:
+Warning	1356	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
+drop view v1;
+drop table t1,t2;
 # -----------------------------------------------------------------
 # -- End of 5.5 tests.
 # -----------------------------------------------------------------
diff --git a/mysql-test/r/xtradb_mrr.result b/mysql-test/r/xtradb_mrr.result
index 15b750d2fd3..c238d0530af 100644
--- a/mysql-test/r/xtradb_mrr.result
+++ b/mysql-test/r/xtradb_mrr.result
@@ -311,10 +311,10 @@ concat('c-', 1000 + C.a, '-c'),
 'filler'
 from t1 A, t1 B, t1 C;
 explain
-select count(length(a) + length(filler)) from t2 where a>='a-1000-a' and a <'a-1001-a';
+select count(length(a) + length(filler)) from t2 force index (a) where a>='a-1000-a' and a <'a-1001-a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t2	range	a	a	9	NULL	99	Using index condition; Rowid-ordered scan
-select count(length(a) + length(filler)) from t2 where a>='a-1000-a' and a <'a-1001-a';
+select count(length(a) + length(filler)) from t2 force index (a) where a>='a-1000-a' and a <'a-1001-a';
 count(length(a) + length(filler))
 100
 drop table t2;
diff --git a/mysql-test/std_data/bug20683959loaddata.txt b/mysql-test/std_data/bug20683959loaddata.txt
new file mode 100644
index 00000000000..1878cc78879
--- /dev/null
+++ b/mysql-test/std_data/bug20683959loaddata.txt
@@ -0,0 +1 @@
+Ã"RT @niouzechun: é�˜âˆšõ€�®ç¹�上ャç¹�æ–�õ€‡³ç¹§ï½¨ç¹�ï½³ç¹�牙耳縺ｪ繧薙□縺代ｌ縺ｩ縲√ã�„ç¹�ï½³ç¹�上ャç¹�æ–�õ€‡³ç¹§ï½¨ç¹�ï½³ç¹�峨ｄ諠ｨ蜉õ€”Žå™ªç¸ºï½ªç¸ºé¡˜ï½©ï½±ç¹§å�µâ‰ ç¸ºï½¾ç¹§é¡”ｩ肴･ｵ逧õ€‹–↓鞫ょå�™ç¸ºåŠ±â†‘縺õ€‹šç‚Šé€•ï½±ç¸ºï½¯ç¸²âˆ«æ¨Ÿèž³æº˜õ€�­èŽ ï½ºé€•æº˜õ€�®è�“ｺ譛ｬ逧õ€‹–↓縺õ€‘Žâˆªç¸ºä¸Šï¼žç¸ºä¹�↑縺õ€‹–ï¼ è�³æ¦Šï½¹ï½³é�²å³¨â–¡ç¸ºç¤¼ç‚Šè�³æ¦Šï½°ï½½ç¸º ç¸ºè‹“ｾ帙＞
diff --git a/mysql-test/suite/binlog/r/binlog_dmls_on_tmp_tables_readonly.result b/mysql-test/suite/binlog/r/binlog_dmls_on_tmp_tables_readonly.result
new file mode 100644
index 00000000000..1dfac08e762
--- /dev/null
+++ b/mysql-test/suite/binlog/r/binlog_dmls_on_tmp_tables_readonly.result
@@ -0,0 +1,58 @@
+DROP TABLE IF EXISTS t1 ;
+# READ_ONLY does nothing to SUPER users
+# so we use a non-SUPER one:
+GRANT CREATE, SELECT, DROP ON *.* TO test@localhost;
+connect  con1,localhost,test,,test;
+connection default;
+SET GLOBAL READ_ONLY=1;
+connection con1;
+CREATE TEMPORARY TABLE t1 (a INT) ENGINE=INNODB;
+# Test INSERTS with autocommit being off and on.
+BEGIN;
+INSERT INTO t1 VALUES (10);
+COMMIT;
+INSERT INTO t1 VALUES (20);
+# Test UPDATES with autocommit being off and on.
+BEGIN;
+UPDATE t1 SET a=30 WHERE a=10;
+COMMIT;
+UPDATE t1 SET a=40 WHERE a=20;
+connection default;
+SET GLOBAL READ_ONLY=0;
+# Test scenario where global read_only is enabled in the middle of transaction.
+# Test INSERT operations on temporary tables, INSERTs should be successful even
+# when global read_only is enabled.
+connection con1;
+BEGIN;
+INSERT INTO t1 VALUES(50);
+connection default;
+SET GLOBAL READ_ONLY=1;
+connection con1;
+SELECT @@GLOBAL.READ_ONLY;
+@@GLOBAL.READ_ONLY
+1
+COMMIT;
+connection default;
+SET GLOBAL READ_ONLY=0;
+# Test UPDATE operations on temporary tables, UPDATEs should be successful even
+# when global read_only is enabled.
+connection con1;
+BEGIN;
+UPDATE t1 SET a=60 WHERE a=50;
+connection default;
+SET GLOBAL READ_ONLY=1;
+connection con1;
+SELECT @@GLOBAL.READ_ONLY;
+@@GLOBAL.READ_ONLY
+1
+COMMIT;
+SELECT * FROM t1;
+a
+30
+40
+60
+# Clean up
+connection default;
+SET GLOBAL READ_ONLY=0;
+disconnect con1;
+DROP USER test@localhost;
diff --git a/mysql-test/suite/binlog/t/binlog_dmls_on_tmp_tables_readonly.test b/mysql-test/suite/binlog/t/binlog_dmls_on_tmp_tables_readonly.test
new file mode 100644
index 00000000000..cf3910eb229
--- /dev/null
+++ b/mysql-test/suite/binlog/t/binlog_dmls_on_tmp_tables_readonly.test
@@ -0,0 +1,91 @@
+# ==== Purpose ====
+#
+# Check that DMLs are allowed on temporary tables, when server is in read only
+# mode and binary log is enabled with binlog-format being stmt/mixed mode.
+#
+# ==== Implementation ====
+#
+# Start the server with binary log being enabled. Mark the server as read only.
+# Create a non-SUPER user and let the user to create a temporary table and
+# perform DML operations on that temporary table. DMLs should not be blocked
+# with a 'server read-only mode' error.
+#
+# ==== References ====
+#
+# Bug#12818255: READ-ONLY OPTION DOES NOT ALLOW INSERTS/UPDATES ON TEMPORARY
+# TABLES
+# Bug#14294223: CHANGES NOT ALLOWED TO TEMPORARY TABLES ON READ-ONLY SERVERS
+###############################################################################
+--source include/have_log_bin.inc
+--source include/have_innodb.inc
+--disable_warnings
+DROP TABLE IF EXISTS t1 ;
+--enable_warnings
+
+--enable_connect_log
+--echo # READ_ONLY does nothing to SUPER users
+--echo # so we use a non-SUPER one:
+GRANT CREATE, SELECT, DROP ON *.* TO test@localhost;
+
+connect (con1,localhost,test,,test);
+
+connection default;
+SET GLOBAL READ_ONLY=1;
+
+connection con1;
+CREATE TEMPORARY TABLE t1 (a INT) ENGINE=INNODB;
+
+--echo # Test INSERTS with autocommit being off and on.
+BEGIN;
+INSERT INTO t1 VALUES (10);
+COMMIT;
+INSERT INTO t1 VALUES (20);
+
+--echo # Test UPDATES with autocommit being off and on.
+BEGIN;
+UPDATE t1 SET a=30 WHERE a=10;
+COMMIT;
+UPDATE t1 SET a=40 WHERE a=20;
+
+connection default;
+SET GLOBAL READ_ONLY=0;
+
+--echo # Test scenario where global read_only is enabled in the middle of transaction.
+--echo # Test INSERT operations on temporary tables, INSERTs should be successful even
+--echo # when global read_only is enabled.
+connection con1;
+BEGIN;
+INSERT INTO t1 VALUES(50);
+
+connection default;
+SET GLOBAL READ_ONLY=1;
+
+connection con1;
+SELECT @@GLOBAL.READ_ONLY;
+COMMIT;
+
+connection default;
+SET GLOBAL READ_ONLY=0;
+
+--echo # Test UPDATE operations on temporary tables, UPDATEs should be successful even
+--echo # when global read_only is enabled.
+connection con1;
+BEGIN;
+UPDATE t1 SET a=60 WHERE a=50;
+
+connection default;
+SET GLOBAL READ_ONLY=1;
+
+connection con1;
+SELECT @@GLOBAL.READ_ONLY;
+COMMIT;
+
+SELECT * FROM t1;
+
+--echo # Clean up
+connection default;
+SET GLOBAL READ_ONLY=0;
+
+disconnect con1;
+DROP USER test@localhost;
+--disable_connect_log
diff --git a/mysql-test/suite/plugins/r/pam_cleartext.result b/mysql-test/suite/plugins/r/pam_cleartext.result
index 00e0e94618e..b9eee74ec3e 100644
--- a/mysql-test/suite/plugins/r/pam_cleartext.result
+++ b/mysql-test/suite/plugins/r/pam_cleartext.result
@@ -5,6 +5,9 @@ grant proxy on pam_test to test_pam;
 show variables like 'pam%';
 Variable_name	Value
 pam_use_cleartext_plugin	ON
+#
+# same test as in pam.test now fails
+#
 drop user test_pam;
 drop user pam_test;
 uninstall plugin pam;
diff --git a/mysql-test/suite/plugins/t/pam.test b/mysql-test/suite/plugins/t/pam.test
index 1871e5801a3..8a95d6baed2 100644
--- a/mysql-test/suite/plugins/t/pam.test
+++ b/mysql-test/suite/plugins/t/pam.test
@@ -29,5 +29,6 @@ EOF
 --remove_file $MYSQLTEST_VARDIR/tmp/pam_bad.txt
 drop user test_pam;
 drop user pam_test;
+let $count_sessions= 1;
+--source include/wait_until_count_sessions.inc
 uninstall plugin pam;
-
diff --git a/mysql-test/suite/plugins/t/pam_cleartext.test b/mysql-test/suite/plugins/t/pam_cleartext.test
index 6b9bf087ce5..8476c39fd89 100644
--- a/mysql-test/suite/plugins/t/pam_cleartext.test
+++ b/mysql-test/suite/plugins/t/pam_cleartext.test
@@ -3,11 +3,22 @@
 
 show variables like 'pam%';
 
+--write_file $MYSQLTEST_VARDIR/tmp/pam_good.txt
+not very secret challenge
+9225
+select user(), current_user(), database();
+EOF
+
+--echo #
+--echo # same test as in pam.test now fails
+--echo #
 --error 1
---exec echo FAIL | $MYSQL_TEST -u test_pam --plugin-dir=$plugindir
+--exec $MYSQL_TEST -u test_pam --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/pam_good.txt
+
+--remove_file $MYSQLTEST_VARDIR/tmp/pam_good.txt
 
 drop user test_pam;
 drop user pam_test;
---disable_warnings
+let $count_sessions= 1;
+--source include/wait_until_count_sessions.inc
 uninstall plugin pam;
-
diff --git a/mysql-test/suite/sys_vars/r/general_log_file_basic.result b/mysql-test/suite/sys_vars/r/general_log_file_basic.result
index 369ef7844db..c7c24f155ca 100644
--- a/mysql-test/suite/sys_vars/r/general_log_file_basic.result
+++ b/mysql-test/suite/sys_vars/r/general_log_file_basic.result
@@ -12,6 +12,16 @@ SET @@global.general_log_file = mytest.log;
 ERROR 42000: Incorrect argument type to variable 'general_log_file'
 SET @@global.general_log_file = 12;
 ERROR 42000: Incorrect argument type to variable 'general_log_file'
+SET @@global.general_log_file = 'my.cnf';
+ERROR 42000: Variable 'general_log_file' can't be set to the value of 'my.cnf'
+SET @@global.general_log_file = '/tmp/my.cnf';
+ERROR 42000: Variable 'general_log_file' can't be set to the value of '/tmp/my.cnf'
+SET @@global.general_log_file = '.my.cnf';
+ERROR 42000: Variable 'general_log_file' can't be set to the value of '.my.cnf'
+SET @@global.general_log_file = 'my.cnf\0foo';
+ERROR 42000: Variable 'general_log_file' can't be set to the value of 'my.cnf'
+SET @@global.general_log_file = 'my.ini';
+ERROR 42000: Variable 'general_log_file' can't be set to the value of 'my.ini'
 '#----------------------FN_DYNVARS_004_03------------------------#'
 SELECT @@global.general_log_file = VARIABLE_VALUE 
 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
diff --git a/mysql-test/suite/sys_vars/r/slow_query_log_file_basic.result b/mysql-test/suite/sys_vars/r/slow_query_log_file_basic.result
index f45c568ff4a..a64666f6298 100644
--- a/mysql-test/suite/sys_vars/r/slow_query_log_file_basic.result
+++ b/mysql-test/suite/sys_vars/r/slow_query_log_file_basic.result
@@ -9,6 +9,16 @@ SET @@global.slow_query_log_file = mytest.log;
 ERROR 42000: Incorrect argument type to variable 'slow_query_log_file'
 SET @@global.slow_query_log_file = 12;
 ERROR 42000: Incorrect argument type to variable 'slow_query_log_file'
+SET @@global.slow_query_log_file = 'my.cnf';
+ERROR 42000: Variable 'slow_query_log_file' can't be set to the value of 'my.cnf'
+SET @@global.slow_query_log_file = '/tmp/my.cnf';
+ERROR 42000: Variable 'slow_query_log_file' can't be set to the value of '/tmp/my.cnf'
+SET @@global.general_log_file = '.my.cnf';
+ERROR 42000: Variable 'general_log_file' can't be set to the value of '.my.cnf'
+SET @@global.general_log_file = 'my.cnf\0foo';
+ERROR 42000: Variable 'general_log_file' can't be set to the value of 'my.cnf'
+SET @@global.general_log_file = 'my.ini';
+ERROR 42000: Variable 'general_log_file' can't be set to the value of 'my.ini'
 '#----------------------FN_DYNVARS_004_03------------------------#'
 SELECT @@global.slow_query_log_file = VARIABLE_VALUE 
 FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
diff --git a/mysql-test/suite/sys_vars/t/general_log_file_basic.test b/mysql-test/suite/sys_vars/t/general_log_file_basic.test
index 12362fa123c..0a169b472e2 100644
--- a/mysql-test/suite/sys_vars/t/general_log_file_basic.test
+++ b/mysql-test/suite/sys_vars/t/general_log_file_basic.test
@@ -58,6 +58,20 @@ SET @@global.general_log_file = mytest.log;
 --error ER_WRONG_TYPE_FOR_VAR
 SET @@global.general_log_file = 12;
 
+#
+# MDEV-10465
+#
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.general_log_file = 'my.cnf';
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.general_log_file = '/tmp/my.cnf';
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.general_log_file = '.my.cnf';
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.general_log_file = 'my.cnf\0foo';
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.general_log_file = 'my.ini';
+
 
 --echo '#----------------------FN_DYNVARS_004_03------------------------#'
 ############################################################################## 
diff --git a/mysql-test/suite/sys_vars/t/slow_query_log_file_basic.test b/mysql-test/suite/sys_vars/t/slow_query_log_file_basic.test
index 28fc17f6077..69ca5f21f62 100644
--- a/mysql-test/suite/sys_vars/t/slow_query_log_file_basic.test
+++ b/mysql-test/suite/sys_vars/t/slow_query_log_file_basic.test
@@ -56,6 +56,20 @@ SET @@global.slow_query_log_file = mytest.log;
 --error ER_WRONG_TYPE_FOR_VAR
 SET @@global.slow_query_log_file = 12;
 
+#
+# MDEV-10465
+#
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.slow_query_log_file = 'my.cnf';
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.slow_query_log_file = '/tmp/my.cnf';
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.general_log_file = '.my.cnf';
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.general_log_file = 'my.cnf\0foo';
+--error ER_WRONG_VALUE_FOR_VAR
+SET @@global.general_log_file = 'my.ini';
+
 --echo '#----------------------FN_DYNVARS_004_03------------------------#'
 ############################################################################## 
 # Check if the value in GLOBAL Tables matches values in variable             #
diff --git a/mysql-test/t/func_group.test b/mysql-test/t/func_group.test
index bd3ed4ad32d..7013009fae7 100644
--- a/mysql-test/t/func_group.test
+++ b/mysql-test/t/func_group.test
@@ -1565,3 +1565,34 @@ EXECUTE stmt;
 EXECUTE stmt;
 
 DROP TABLE t1,t2,t3,t4,t5,t6;
+
+--echo #
+--echo # MDEV-10500 CASE/IF Statement returns multiple values and shifts further result values to the next column
+--echo #
+
+CREATE TABLE t1 (
+  id int not null AUTO_INCREMENT,
+  active bool not null,
+  data1 bigint,
+  data2 bigint,
+  data3 bigint,
+  primary key (id)
+);
+INSERT INTO t1 (active,data1,data2,data3) VALUES (1,null,100,200);
+SELECT
+  CASE WHEN active THEN SUM(data1) END AS C_1,
+  SUM(data2) AS C_2,
+  SUM(data3) AS C_3
+FROM t1;
+SELECT
+  IF(active, SUM(data1), 5) AS C_1,
+  SUM(data2) AS C_2,
+  SUM(data3) AS C_3
+FROM t1;
+DROP TABLE t1;
+
+--echo #
+--echo # MDEV-10468 Assertion `nr >= 0.0' failed in Item_sum_std::val_real()
+--echo #
+SELECT STDDEV_POP(f) FROM (SELECT "1e+309" AS f UNION SELECT "-1e+309" AS f) tbl;
+SELECT STDDEV(f) FROM (SELECT 1.7976931348623157e+308 AS f UNION SELECT -1.7976931348623157e+308 AS f) tbl;
diff --git a/mysql-test/t/func_math.test b/mysql-test/t/func_math.test
index 5d1f87e74a2..904e8700d26 100644
--- a/mysql-test/t/func_math.test
+++ b/mysql-test/t/func_math.test
@@ -578,11 +578,15 @@ select 5 div 2.0;
 select 5.9 div 2, 1.23456789e3 DIV 2, 1.23456789e9 DIV 2, 1.23456789e19 DIV 2;
 
 --echo #
---echo # End of 5.5 tests
+--echo # MDEV-10467 Assertion `nr >= 0.0' failed in Item_sum_std::val_real()
 --echo #
+CREATE TABLE t1 (i INT);
+INSERT INTO t1 VALUES (1),(2);
+SELECT STDDEV_SAMP(ROUND('0', 309)) FROM t1;
+DROP TABLE t1;
 
 --echo #
---echo # Start of 10.0 tests
+--echo # End of 5.5 tests
 --echo #
 
 --echo #
@@ -590,7 +594,6 @@ select 5.9 div 2, 1.23456789e3 DIV 2, 1.23456789e9 DIV 2, 1.23456789e19 DIV 2;
 --echo #
 SELECT STDDEV_POP(ROUND(0,@A:=2009)) FROM (SELECT 1 UNION SELECT 2) fake_table;
 
-
 --echo #
 --echo # End of 10.0 tests
 --echo #
diff --git a/mysql-test/t/func_misc.test b/mysql-test/t/func_misc.test
index 26e379299fc..04fbfb713e2 100644
--- a/mysql-test/t/func_misc.test
+++ b/mysql-test/t/func_misc.test
@@ -596,6 +596,16 @@ AND 57813X540X1723 = 'Test';
 
 drop table t1;
 
+#
+# Bug#12735545 - PARSER STACK OVERFLOW WITH NAME_CONST
+#                CONTAINING OR EXPRESSION
+#
+--error ER_WRONG_ARGUMENTS
+SELECT NAME_CONST('a', -(1 OR 2)) OR 1;
+--error ER_WRONG_ARGUMENTS
+SELECT NAME_CONST('a', -(1 AND 2)) OR 1;
+SELECT NAME_CONST('a', -(1)) OR 1;
+
 --echo #
 --echo # End of 5.5 tests
 --echo #
diff --git a/mysql-test/t/loaddata.test b/mysql-test/t/loaddata.test
index 35243864c04..7d0f3852b66 100644
--- a/mysql-test/t/loaddata.test
+++ b/mysql-test/t/loaddata.test
@@ -612,7 +612,7 @@ disconnect con1;
 --echo #
 
 CREATE TABLE t1(f1 INT);
-EVAL SELECT 0xE1BB30 INTO OUTFILE 't1.dat';
+EVAL SELECT 0xE1C330 INTO OUTFILE 't1.dat';
 --disable_warnings
 LOAD DATA INFILE 't1.dat' IGNORE INTO TABLE t1 CHARACTER SET utf8;
 --enable_warnings
@@ -658,3 +658,26 @@ SET @@sql_mode= @old_mode;
 --remove_file $MYSQLTEST_VARDIR/mysql
 DROP TABLE t1;
 
+--echo
+--echo #
+--echo #  Bug#23080148 - Backport of Bug#20683959.
+--echo #  Bug#20683959 LOAD DATA INFILE IGNORES A SPECIFIC ROW SILENTLY
+--echo #               UNDER DB CHARSET IS UTF8.
+--echo #
+
+CREATE DATABASE d1 CHARSET latin1;
+USE d1;
+CREATE TABLE t1 (val TEXT);
+LOAD DATA INFILE '../../std_data/bug20683959loaddata.txt' INTO TABLE t1;
+SELECT COUNT(*) FROM t1;
+SELECT HEX(val) FROM t1;
+
+CREATE DATABASE d2 CHARSET utf8;
+USE d2;
+CREATE TABLE t1 (val TEXT);
+--error ER_INVALID_CHARACTER_STRING
+LOAD DATA INFILE '../../std_data/bug20683959loaddata.txt' INTO TABLE t1;
+
+DROP TABLE d1.t1, d2.t1;
+DROP DATABASE d1;
+DROP DATABASE d2;
diff --git a/mysql-test/t/myisam_enable_keys-10506.test b/mysql-test/t/myisam_enable_keys-10506.test
new file mode 100644
index 00000000000..8e1c058c3f0
--- /dev/null
+++ b/mysql-test/t/myisam_enable_keys-10506.test
@@ -0,0 +1,117 @@
+#
+# MDEV-10506 Protocol::end_statement(): Assertion `0' failed upon ALTER TABLE
+#
+CREATE TABLE t1 (
+    pk INT AUTO_INCREMENT,
+    i INT,
+    d DATE,
+    dt DATETIME,
+    v VARCHAR(1),
+    PRIMARY KEY (pk),
+    KEY (dt)
+) ENGINE=MyISAM;
+INSERT INTO t1 (i, d, dt, v) VALUES 
+    (9, '2005-07-23', '2004-05-13 01:01:39', 't'),
+    (2, '2009-11-01', '2003-12-24 07:39:29', 'h'),
+    (6, NULL, '2008-07-03 05:32:22', 'l'),
+    (6, '2007-07-16', '2008-08-28 18:46:11', 'j'),
+    (5, NULL, '2001-07-12 21:27:00', 'h'),
+    (3, '2007-07-22', '1900-01-01 00:00:00', 'p'),
+    (2, '2000-11-21', '2007-05-25 11:58:54', 'g'),
+    (6, '1900-01-01', '2009-06-03 17:11:10', 'i'),
+    (2, '2008-02-10', '2001-06-15 16:20:07', 'p'),
+    (3, '2009-06-04', '1900-01-01 00:00:00', 'h'),
+    (9, '2007-04-25', '1900-01-01 00:00:00', 'e'),
+    (9, '2006-03-02', '1900-01-01 00:00:00', 'e'),
+    (1, '1900-01-01', '2002-11-08 09:33:27', 'u'),
+    (7, '2008-07-13', '2007-08-07 17:35:52', 'j'),
+    (0, '2004-11-12', '2006-05-01 00:00:00', 'e'),
+    (0, '1900-01-01', '2003-05-01 00:00:00', 'z'),
+    (1, '2009-09-02', '2007-02-12 09:30:49', 'w'),
+    (0, '2004-11-06', '1900-01-01 00:00:00', 't'),
+    (4, '2003-01-06', '2002-07-03 02:51:11', 'i'),
+    (6, '2006-01-14', '2008-02-26 04:57:32', 'i'),
+    (0, '2002-01-19', '2009-02-12 00:00:00', 'i'),
+    (8, '2007-02-12', '1900-01-01 00:00:00', 'b'),
+    (4, '1900-01-01', '2001-05-16 05:28:40', 'm'),
+    (2, '2005-07-16', NULL, 'j'),
+    (1, '2004-09-04', '2001-01-24 21:45:18', 'v'),
+    (3, '2009-07-01', NULL, NULL),
+    (2, '2009-07-21', '2002-07-24 00:00:00', 'h'),
+    (4, NULL, '2001-11-03 12:22:30', 'q'),
+    (1, '2002-06-22', '2008-06-17 03:17:59', 'f'),
+    (7, '2005-06-23', '2005-12-24 00:00:00', 'p'),
+    (6, '2001-05-20', '2008-10-23 00:00:00',  NULL),
+    (3, '2001-10-01', '2000-10-12 16:32:35', 'o'),
+    (3, '2001-01-07', '2005-09-11 10:09:54', 'w'),
+    (6, '2007-11-02', '2009-09-10 01:44:18', 'l'),
+    (6, NULL, NULL, 'i'),
+    (9, NULL, '2002-05-18 15:21:55', 'd'),
+    (4, '2008-12-21', '2004-10-15 10:09:54', 'j'),
+    (6, '2003-10-05', '2009-07-13 03:51:02', 'e'),
+    (2, '2001-03-03', '1900-01-01 00:00:00', 'e'),
+    (2, '2007-04-04', '2001-11-08 21:14:52', 'q'),
+    (5, NULL, '2006-12-02 00:00:00', 'm'),
+    (0, '2009-01-04', '1900-01-01 00:00:00', NULL),
+    (8, '2008-04-03', '2005-01-01 11:55:18', 'q'),
+    (8, NULL, '2005-02-28 03:44:02', 'w'),
+    (0, '2003-08-22', NULL, 'c'),
+    (9, '1900-01-01', NULL, 'y'),
+    (NULL, NULL, '2006-08-25 16:28:09', 'g'),
+    (5, '2004-07-04', '2002-08-11 00:00:00', 'z'),
+    (1, '1900-01-01', '2007-07-22 21:19:18', 'm'),
+    (2, '2007-02-04', '2006-02-10 18:41:38', 't'),
+    (2, '1900-01-01', '2009-02-16 14:58:58', 'd'),
+    (7, '2001-03-14', '2007-08-14 00:00:00', 'h'),
+    (0, NULL, '1900-01-01 00:00:00', NULL),
+    (1, '2008-10-05', NULL, 'f'),
+    (6, '2001-11-25', '2008-12-03 06:59:23', 'l'),
+    (NULL, '2003-01-27', '2008-10-04 00:00:00', 'g'),
+    (8, '2008-08-08', '2009-07-07 07:00:21', 'v'),
+    (8, '2006-07-03', '2001-04-15 00:00:00', NULL),
+    (5, '2002-11-21', '2007-07-08 04:01:58', 'm'),
+    (5, '2006-04-08', '2007-09-23 00:01:35', 'i'),
+    (5, '2001-05-06', '2008-05-15 00:00:00', 'h'),
+    (7, '1900-01-01', '1900-01-01 00:00:00', 'u'),
+    (30, '2007-04-16', '2004-03-05 23:35:38', 'o'),
+    (NULL, '1900-01-01', '2007-08-25 01:32:47', 'z'),
+    (6, '2004-12-03', '1900-01-01 00:00:00', 'o'),
+    (8, '2001-06-23', '1900-01-01 00:00:00', 'f'),
+    (NULL, '2008-12-15', '2001-05-19 08:28:28', 'a'),
+    (9, '2000-02-15', '2009-09-03 06:07:22', 'd'),
+    (2, '2001-08-05', '2006-10-08 07:17:27', 'k'),
+    (5, '2004-01-17', '2003-09-06 20:36:01', 'd'),
+    (4, '2003-10-01', '2001-02-05 18:10:49', 'u'),
+    (4, '2003-07-28', '2001-01-07 16:11:37', 'h'),
+    (0, '1900-01-01', '2008-08-01 05:26:38', 'w'),
+    (9, '1900-01-01', '2001-05-08 00:00:00', 't'),
+    (1, '2000-04-17', '2008-07-10 21:26:28', 'i'),
+    (8, '2002-01-05', '2006-08-06 20:56:35', 'k'),
+    (9, '2001-04-10', '2003-02-17 00:00:00', 'z'),
+    (0, '2009-12-04', NULL, 'h'),
+    (7, NULL, '2004-10-27 00:29:57', 'h'),
+    (2, '2006-03-07', '2008-03-04 06:14:13', 'b'),
+    (0, '2001-10-15', '2001-03-17 00:00:00', 'm'),
+    (5, '1900-01-01', '2009-02-21 11:35:50', 'i'),
+    (4, NULL, '1900-01-01 00:00:00', 'w'),
+    (5, '2009-04-05', '1900-01-01 00:00:00', 'm'),
+    (6, '2001-03-19', '2001-04-12 00:00:00', 'q'),
+    (NULL, '2009-12-08', '2001-12-04 20:21:01', 'k'),
+    (2, '2005-02-09', '2001-05-27 08:41:01', 'l'),
+    (9, '2004-05-25', '2004-09-18 00:00:00', 'c'),
+    (3, '2005-01-17', '2002-09-12 11:18:48', 'd'),
+    (0, '2003-08-28', '1900-01-01 00:00:00', 'k'),
+    (6, '2006-10-11', '2003-10-28 03:31:02', 'a'),
+    (5, '1900-01-01', '2001-08-22 10:20:09', 'p'),
+    (8, '1900-01-01', '2008-04-24 00:00:00', 'o'),
+    (4, '2005-08-18', '2006-11-10 10:08:49', 'e'),
+    (NULL, '2007-03-12', '2007-10-16 00:00:00', 'n'),
+    (1, '2000-11-18', '2009-05-27 12:25:07', 't'),
+    (4, '2001-03-03', NULL, 'u'),
+    (3, '2003-09-11', '2001-09-10 18:10:10', 'f'),
+    (4, '2007-06-17', '1900-01-01 00:00:00', 't'),
+    (NULL, '2008-09-11', '2004-06-07 23:17:09', 'k');
+ALTER TABLE t1 ADD UNIQUE KEY ind1 (pk, d, i, v);
+--error ER_DUP_ENTRY
+ALTER TABLE t1 ADD UNIQUE KEY ind2 (d, v);
+DROP TABLE t1;
diff --git a/mysql-test/t/mysqlcheck.test b/mysql-test/t/mysqlcheck.test
index e479a2232f0..779ea8d13d4 100644
--- a/mysql-test/t/mysqlcheck.test
+++ b/mysql-test/t/mysqlcheck.test
@@ -309,15 +309,36 @@ CHECK TABLE bug47205 FOR UPGRADE;
 
 DROP TABLE bug47205;
 
+
 --echo #
 --echo #MDEV-6128:[PATCH] mysqlcheck wrongly escapes '.' in table names
 --echo #
-CREATE TABLE test.`t.1` (id int);
+create table `t.1` (id int);
+create view `v.1` as select 1;
 
 --echo mysqlcheck test t.1
 --exec $MYSQL_CHECK test t.1
+--echo mysqlcheck --all-in-1 test t.1
+--exec $MYSQL_CHECK --all-in-1 test t.1
+--echo mysqlcheck --all-in-1 --databases --process-views test
+--exec $MYSQL_CHECK --all-in-1 --databases --process-views test
+
+create table `t.2`(a varchar(20) primary key) default character set utf8 collate utf8_general_ci engine=innodb;
+flush table `t.2`;
+--remove_file $MYSQLD_DATADIR/test/t@002e2.frm
+--copy_file std_data/bug47205.frm $MYSQLD_DATADIR/test/t@002e2.frm
+
+--copy_file std_data/bug36055.frm $MYSQLD_DATADIR/test/t@002e3.frm
+--copy_file std_data/bug36055.MYD $MYSQLD_DATADIR/test/t@002e3.MYD
+--copy_file std_data/bug36055.MYI $MYSQLD_DATADIR/test/t@002e3.MYI
 
-drop table test.`t.1`;
+--echo mysqlcheck --check-upgrade --auto-repair test
+--exec $MYSQL_CHECK --check-upgrade --auto-repair test
+
+check table `t.1`, `t.2`, `t.3`;
+check table `t.1`, `t.2`, `t.3` for upgrade;
+drop view `v.1`;
+drop table test.`t.1`, `t.2`, `t.3`;
 
 --echo #
 --echo # MDEV-8123 mysqlcheck: new --process-views option conflicts with --quick, --extended and such
@@ -355,6 +376,28 @@ create table `#mysql50#t1``1` (a int) engine=myisam;
 show tables;
 drop table `t1``1`;
 
+#
+#     MDEV-9440 mysqlcheck -A --auto-repair selects wrong database when trying to repair broken table
+#
+call mtr.add_suppression("ha_myisam");
+call mtr.add_suppression("Checking table");
+create database mysqltest1;
+create table mysqltest1.t1 (a int) engine=myisam;
+create table t2 (a int);
+
+let $datadir= `select @@datadir`;
+remove_file $datadir/mysqltest1/t1.MYD;
+write_file $datadir/mysqltest1/t1.MYD;
+foo
+EOF
+
+check table mysqltest1.t1;
+
+--exec $MYSQL_CHECK -A --auto-repair --fast
+
+drop table t2;
+drop database mysqltest1;
+
 --echo #
 --echo #MDEV-7384 [PATCH] add PERSISENT FOR ALL option to mysqlanalyze/mysqlcheck
 --echo #
diff --git a/mysql-test/t/named_pipe.test b/mysql-test/t/named_pipe.test
index 8dcab3329e4..af74c200e96 100644
--- a/mysql-test/t/named_pipe.test
+++ b/mysql-test/t/named_pipe.test
@@ -22,3 +22,12 @@ connect(pipe_con,localhost,root,,,,,PIPE);
 
 connection default;
 disconnect pipe_con;
+
+# MDEV-10383 : check that other server cannot 'bind' on the same pipe
+let $MYSQLD_DATADIR= `select @@datadir`;
+--error  1
+--exec $MYSQLD_CMD --enable-named-pipe --skip-networking --log-error=second-mysqld.err
+let SEARCH_FILE=$MYSQLD_DATADIR/second-mysqld.err;
+let SEARCH_RANGE= -50;
+let SEARCH_PATTERN=\[ERROR\] Create named pipe failed;
+source include/search_pattern_in_file.inc;
diff --git a/mysql-test/t/range.test b/mysql-test/t/range.test
index 5c6dfdc9dd1..7cd1c44ec24 100644
--- a/mysql-test/t/range.test
+++ b/mysql-test/t/range.test
@@ -1691,6 +1691,35 @@ select a, b from t2 where (a, b) in ((0, 0), (1, 1));
 drop table t2;
 
 --echo #
+--echo # MDEV-10228: Delete missing rows with OR conditions
+--echo #  (The example uses UPDATE, because UPDATE allows to use index hints
+--echo #   and so it's possible to make an example that works with any storage
+--echo #   engine)
+--echo #
+
+CREATE TABLE t1 (
+  key1varchar varchar(14) NOT NULL,
+  key2int int(11) NOT NULL DEFAULT '0',
+  col1 int,
+  PRIMARY KEY (key1varchar,key2int),
+  KEY key1varchar (key1varchar),
+  KEY key2int (key2int)
+) DEFAULT CHARSET=utf8;
+ 
+insert into t1 values 
+  ('value1',0, 0),
+  ('value1',1, 0),
+  ('value1',1000685, 0),
+  ('value1',1003560, 0),
+  ('value1',1004807, 0);
+
+update t1 force index (PRIMARY) set col1=12345
+where (key1varchar='value1' AND (key2int <=1 OR  key2int > 1));
+--echo # The following must show col1=12345 for all rows:
+select * from t1;
+drop table t1;
+
+--echo #
 --echo # BUG#13731380: RANGE OPTIMIZER CALLS RECORDS_IN_RANGE() FOR OPEN RANGE
 --echo #
 
diff --git a/mysql-test/t/sp-prelocking.test b/mysql-test/t/sp-prelocking.test
index 966c59a5789..c1378d59196 100644
--- a/mysql-test/t/sp-prelocking.test
+++ b/mysql-test/t/sp-prelocking.test
@@ -388,3 +388,29 @@ DROP TABLE t1, t2;
 
 --echo End of 5.0 tests
 
+--echo #
+--echo # Bug#21142859: FUNCTION UPDATING A VIEW FAILS TO FIND TABLE THAT ACTUALLY EXISTS
+--echo #
+
+CREATE TABLE t1 SELECT 1 AS fld1, 'A' AS fld2;
+CREATE TABLE t2 (fld3 INT, fld4 CHAR(1));
+
+CREATE VIEW v1 AS SELECT * FROM t1;
+
+CREATE TRIGGER t1_au AFTER UPDATE ON t1
+FOR EACH ROW INSERT INTO t2 VALUES (new.fld1, new.fld2);
+
+DELIMITER !;
+CREATE FUNCTION f1() RETURNS INT
+BEGIN
+ UPDATE v1 SET fld2='B' WHERE fld1=1;
+ RETURN row_count();
+END !
+DELIMITER ;!
+
+--echo # Without the patch, an error was getting reported.
+SELECT f1();
+
+DROP FUNCTION f1;
+DROP VIEW v1;
+DROP TABLE t1,t2;
diff --git a/mysql-test/t/type_date.test b/mysql-test/t/type_date.test
index e7e53fb4c37..91f9774969b 100644
--- a/mysql-test/t/type_date.test
+++ b/mysql-test/t/type_date.test
@@ -169,18 +169,8 @@ DROP TABLE t1;
 #
 
 CREATE TABLE t1 (a DATE, b INT, PRIMARY KEY (a,b));
-## The current sub test could fail (difference to expected result) if we
-## have just reached midnight.
-## (Bug#41776 type_date.test may fail if run around midnight)
-## Therefore we sleep a bit if we are too close to midnight.
-## The complete test itself needs in average less than 1 second.
-## Therefore a time_distance to midnight of 5 seconds should be sufficient.
-if (`SELECT CURTIME() > SEC_TO_TIME(24 * 3600 - 5)`)
-{
-   # We are here when CURTIME() is between '23:59:56' and '23:59:59'.
-   # So a sleep time of 5 seconds brings us between '00:00:01' and '00:00:04'.
-   --real_sleep 5
-}
+
+SET timestamp=UNIX_TIMESTAMP('2016-07-21 14:48:18');
 INSERT INTO t1 VALUES (DATE(NOW()), 1);
 SELECT COUNT(*) FROM t1 WHERE a = NOW();
 EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
@@ -192,6 +182,7 @@ EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
 ALTER TABLE t1 DROP PRIMARY KEY;
 SELECT COUNT(*) FROM t1 WHERE a = NOW();
 EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
+SET timestamp=DEFAULT;
 
 DROP TABLE t1;
 
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index b962903d0dc..241b3b414f6 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -5490,6 +5490,21 @@ alter table v1 check partition p1;
 drop view v1;
 drop table t1;
 
+
+--echo #
+--echo # MDEV-10419: crash in mariadb 10.1.16-MariaDB-1~trusty
+--echo #
+CREATE TABLE t1 (c1 CHAR(13));
+CREATE TABLE t2 (c2 CHAR(13));
+ 
+CREATE FUNCTION f() RETURNS INT RETURN 0;
+CREATE OR REPLACE VIEW v1 AS select f() from t1 where c1 in (select c2 from t2);
+DROP FUNCTION f;
+ 
+SHOW CREATE VIEW v1;
+
+drop view v1;
+drop table t1,t2;
 --echo # -----------------------------------------------------------------
 --echo # -- End of 5.5 tests.
 --echo # -----------------------------------------------------------------
diff --git a/mysql-test/t/xtradb_mrr.test b/mysql-test/t/xtradb_mrr.test
index 260eb9f3955..d994c182ccc 100644
--- a/mysql-test/t/xtradb_mrr.test
+++ b/mysql-test/t/xtradb_mrr.test
@@ -33,8 +33,8 @@ insert into t2 select
 from t1 A, t1 B, t1 C;
 
 explain
-select count(length(a) + length(filler)) from t2 where a>='a-1000-a' and a <'a-1001-a';
-select count(length(a) + length(filler)) from t2 where a>='a-1000-a' and a <'a-1001-a';
+select count(length(a) + length(filler)) from t2 force index (a) where a>='a-1000-a' and a <'a-1001-a';
+select count(length(a) + length(filler)) from t2 force index (a) where a>='a-1000-a' and a <'a-1001-a';
 drop table t2;
 
 # Try a very big rowid
diff --git a/mysys/my_context.c b/mysys/my_context.c
index e4ca4143baf..017cebdc110 100644
--- a/mysys/my_context.c
+++ b/mysys/my_context.c
@@ -696,30 +696,27 @@ my_context_destroy(struct my_context *c)
 int
 my_context_spawn(struct my_context *c, void (*f)(void *), void *d)
 {
-  void *current_fiber;
   c->user_func= f;
   c->user_arg= d;
+  return my_context_continue(c);
+}
+
+int
+my_context_continue(struct my_context *c)
+{
   /*
     This seems to be a common trick to run ConvertThreadToFiber() only on the
     first occurence in a thread, in a way that works on multiple Windows
     versions.
   */
-  current_fiber= GetCurrentFiber();
+  void *current_fiber= GetCurrentFiber();
   if (current_fiber == NULL || current_fiber == (void *)0x1e00)
     current_fiber= ConvertThreadToFiber(c);
   c->app_fiber= current_fiber;
   DBUG_SWAP_CODE_STATE(&c->dbug_state);
   SwitchToFiber(c->lib_fiber);
   DBUG_SWAP_CODE_STATE(&c->dbug_state);
-  return c->return_value;
-}
 
-int
-my_context_continue(struct my_context *c)
-{
-  DBUG_SWAP_CODE_STATE(&c->dbug_state);
-  SwitchToFiber(c->lib_fiber);
-  DBUG_SWAP_CODE_STATE(&c->dbug_state);
   return c->return_value;
 }
 
diff --git a/scripts/mysql_secure_installation.pl.in b/scripts/mysql_secure_installation.pl.in
index 188a6bd7104..32331c3d601 100644
--- a/scripts/mysql_secure_installation.pl.in
+++ b/scripts/mysql_secure_installation.pl.in
@@ -217,7 +217,7 @@ sub remove_remote_root {
 
 sub remove_test_database {
   print " - Dropping test database...\n";
-  if (do_query("DROP DATABASE test;")) {
+  if (do_query("DROP DATABASE IF EXISTS test;")) {
     print " ... Success!\n";
   } else {
     print " ... Failed!  Not critical, keep moving...\n";
diff --git a/scripts/mysql_secure_installation.sh b/scripts/mysql_secure_installation.sh
index 82ea1b60a17..2c3b2f8dc8c 100644
--- a/scripts/mysql_secure_installation.sh
+++ b/scripts/mysql_secure_installation.sh
@@ -332,7 +332,7 @@ remove_remote_root() {
 
 remove_test_database() {
     echo " - Dropping test database..."
-    do_query "DROP DATABASE test;"
+    do_query "DROP DATABASE IF EXISTS test;"
     if [ $? -eq 0 ]; then
 	echo " ... Success!"
     else
diff --git a/sql/handler.cc b/sql/handler.cc
index 136bc422a4f..1816b9aa7eb 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -1337,7 +1337,8 @@ int ha_commit_trans(THD *thd, bool all)
 
   uint rw_ha_count= ha_check_and_coalesce_trx_read_only(thd, ha_info, all);
   /* rw_trans is TRUE when we in a transaction changing data */
-  bool rw_trans= is_real_trans && (rw_ha_count > 0);
+  bool rw_trans= is_real_trans &&
+                 (rw_ha_count > !thd->is_current_stmt_binlog_disabled());
   MDL_request mdl_request;
   DBUG_PRINT("info", ("is_real_trans: %d  rw_trans:  %d  rw_ha_count: %d",
                       is_real_trans, rw_trans, rw_ha_count));
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index a07e3498256..5cdfa427997 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -3763,7 +3763,7 @@ int subselect_uniquesubquery_engine::scan_table()
   }
 
   table->file->extra_opt(HA_EXTRA_CACHE,
-                         current_thd->variables.read_buff_size);
+                         get_thd()->variables.read_buff_size);
   table->null_row= 0;
   for (;;)
   {
@@ -4201,7 +4201,7 @@ table_map subselect_union_engine::upper_select_const_tables()
 void subselect_single_select_engine::print(String *str,
                                            enum_query_type query_type)
 {
-  select_lex->print(thd, str, query_type);
+  select_lex->print(get_thd(), str, query_type);
 }
 
 
@@ -4732,6 +4732,7 @@ my_bitmap_init_memroot(MY_BITMAP *map, uint n_bits, MEM_ROOT *mem_root)
 
 bool subselect_hash_sj_engine::init(List<Item> *tmp_columns, uint subquery_id)
 {
+  THD *thd= get_thd();
   select_union *result_sink;
   /* Options to create_tmp_table. */
   ulonglong tmp_create_options= thd->variables.option_bits | TMP_TABLE_ALL_COLUMNS;
@@ -5959,6 +5960,7 @@ bool
 subselect_rowid_merge_engine::init(MY_BITMAP *non_null_key_parts,
                                    MY_BITMAP *partial_match_key_parts)
 {
+  THD *thd= get_thd();
   /* The length in bytes of the rowids (positions) of tmp_table. */
   uint rowid_length= tmp_table->file->ref_length;
   ha_rows row_count= tmp_table->file->stats.records;
@@ -6497,7 +6499,7 @@ bool subselect_table_scan_engine::partial_match()
   }
 
   tmp_table->file->extra_opt(HA_EXTRA_CACHE,
-                             current_thd->variables.read_buff_size);
+                             get_thd()->variables.read_buff_size);
   for (;;)
   {
     error= tmp_table->file->ha_rnd_next(tmp_table->record[0]);
diff --git a/sql/item_subselect.h b/sql/item_subselect.h
index c0746d08db7..0c62c3f8d02 100644
--- a/sql/item_subselect.h
+++ b/sql/item_subselect.h
@@ -751,7 +751,8 @@ public:
                          ROWID_MERGE_ENGINE, TABLE_SCAN_ENGINE};
 
   subselect_engine(Item_subselect *si,
-                   select_result_interceptor *res)
+                   select_result_interceptor *res):
+    thd(NULL)
   {
     result= res;
     item= si;
@@ -767,7 +768,7 @@ public:
     Should be called before prepare().
   */
   void set_thd(THD *thd_arg);
-  THD * get_thd() { return thd; }
+  THD * get_thd() { return thd ? thd : current_thd; }
   virtual int prepare(THD *)= 0;
   virtual void fix_length_and_dec(Item_cache** row)= 0;
   /*
diff --git a/sql/item_sum.cc b/sql/item_sum.cc
index e9f52a8c27b..d1ab102c709 100644
--- a/sql/item_sum.cc
+++ b/sql/item_sum.cc
@@ -1479,7 +1479,7 @@ my_decimal *Item_sum_sum::val_decimal(my_decimal *val)
   if (aggr)
     aggr->endup();
   if (hybrid_type == DECIMAL_RESULT)
-    return (dec_buffs + curr_dec_buff);
+    return null_value ? NULL : (dec_buffs + curr_dec_buff);
   return val_decimal_from_real(val);
 }
 
@@ -1779,6 +1779,8 @@ double Item_sum_std::val_real()
 {
   DBUG_ASSERT(fixed == 1);
   double nr= Item_sum_variance::val_real();
+  if (my_isinf(nr))
+    return DBL_MAX;
   DBUG_ASSERT(nr >= 0.0);
   return sqrt(nr);
 }
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 4dfe45683d6..dd4b3953256 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -2563,26 +2563,17 @@ static void network_init(void)
     saPipeSecurity.lpSecurityDescriptor = &sdPipeDescriptor;
     saPipeSecurity.bInheritHandle = FALSE;
     if ((hPipe= CreateNamedPipe(pipe_name,
-				PIPE_ACCESS_DUPLEX|FILE_FLAG_OVERLAPPED,
-				PIPE_TYPE_BYTE |
-				PIPE_READMODE_BYTE |
-				PIPE_WAIT,
-				PIPE_UNLIMITED_INSTANCES,
-				(int) global_system_variables.net_buffer_length,
-				(int) global_system_variables.net_buffer_length,
-				NMPWAIT_USE_DEFAULT_WAIT,
-				&saPipeSecurity)) == INVALID_HANDLE_VALUE)
-      {
-	LPVOID lpMsgBuf;
-	int error=GetLastError();
-	FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-		      FORMAT_MESSAGE_FROM_SYSTEM,
-		      NULL, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-		      (LPTSTR) &lpMsgBuf, 0, NULL );
-	sql_perror((char *)lpMsgBuf);
-	LocalFree(lpMsgBuf);
-	unireg_abort(1);
-      }
+        PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED | FILE_FLAG_FIRST_PIPE_INSTANCE,
+        PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
+        PIPE_UNLIMITED_INSTANCES,
+        (int) global_system_variables.net_buffer_length,
+        (int) global_system_variables.net_buffer_length,
+        NMPWAIT_USE_DEFAULT_WAIT,
+        &saPipeSecurity)) == INVALID_HANDLE_VALUE)
+    {
+      sql_perror("Create named pipe failed");
+      unireg_abort(1);
+    }
   }
 #endif
 
diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index ae5899d8de4..18859c3ad37 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -10999,8 +10999,10 @@ get_quick_keys(PARAM *param,QUICK_RANGE_SELECT *quick,KEY_PART *key,
       KEY *table_key=quick->head->key_info+quick->index;
       flag=EQ_RANGE;
       if ((table_key->flags & HA_NOSAME) &&
+          min_part == key_tree->part &&
           key_tree->part == table_key->user_defined_key_parts-1)
       {
+        DBUG_ASSERT(min_part == max_part);
         if ((table_key->flags & HA_NULL_PART_KEY) &&
             null_part_in_key(key,
                              param->min_key,
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index fc1d716667e..7fbe800287d 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -1,4 +1,4 @@
-/* Copyright (c) 2000, 2015, Oracle and/or its affiliates.
+/* Copyright (c) 2000, 2016, Oracle and/or its affiliates.
    Copyright (c) 2010, 2016, MariaDB
 
    This program is free software; you can redistribute it and/or modify
@@ -4862,6 +4862,15 @@ handle_view(THD *thd, Query_tables_list *prelocking_ctx,
                                  &table_list->view->sroutines_list,
                                  table_list->top_table());
   }
+
+  /*
+    If a trigger was defined on one of the associated tables then assign the
+    'trg_event_map' value of the view to the next table in table_list. When a
+    Stored function is invoked, all the associated tables including the tables
+    associated with the trigger are prelocked.
+  */
+  if (table_list->trg_event_map && table_list->next_global)
+    table_list->next_global->trg_event_map= table_list->trg_event_map;
   return FALSE;
 }
 
diff --git a/sql/sql_insert.cc b/sql/sql_insert.cc
index d89f5cc44ea..ef4b4703455 100644
--- a/sql/sql_insert.cc
+++ b/sql/sql_insert.cc
@@ -3281,6 +3281,7 @@ bool Delayed_insert::handle_inserts(void)
   max_rows= 0;                                  // For DBUG output
 #endif
   /* Remove all not used rows */
+  mysql_mutex_lock(&mutex);
   while ((row=rows.get()))
   {
     if (table->s->blob_fields)
@@ -3297,7 +3298,6 @@ bool Delayed_insert::handle_inserts(void)
   }
   DBUG_PRINT("error", ("dropped %lu rows after an error", max_rows));
   thread_safe_increment(delayed_insert_errors, &LOCK_delayed_status);
-  mysql_mutex_lock(&mutex);
   DBUG_RETURN(1);
 }
 #endif /* EMBEDDED_LIBRARY */
diff --git a/sql/sql_load.cc b/sql/sql_load.cc
index 5d631027900..a21fc692ecc 100644
--- a/sql/sql_load.cc
+++ b/sql/sql_load.cc
@@ -1405,7 +1405,7 @@ READ_INFO::READ_INFO(File file_par, uint tot_length, CHARSET_INFO *cs,
   set_if_bigger(length,line_start.length());
   stack=stack_pos=(int*) sql_alloc(sizeof(int)*length);
 
-  if (!(buffer=(uchar*) my_malloc(buff_length+1,MYF(MY_THREAD_SPECIFIC))))
+  if (!(buffer=(uchar*) my_malloc(buff_length+1,MYF(MY_WME | MY_THREAD_SPECIFIC))))
     error=1; /* purecov: inspected */
   else
   {
@@ -1597,37 +1597,50 @@ int READ_INFO::read_field()
 	}
       }
 #ifdef USE_MB
-      if (my_mbcharlen(read_charset, chr) > 1 &&
-          to + my_mbcharlen(read_charset, chr) <= end_of_buff)
-      {
-        uchar* p= to;
-        int ml, i;
-        *to++ = chr;
-
-        ml= my_mbcharlen(read_charset, chr);
+        uint ml= my_mbcharlen(read_charset, chr);
+        if (ml == 0)
+        {
+          *to= '\0';
+          my_error(ER_INVALID_CHARACTER_STRING, MYF(0),
+                   read_charset->csname, buffer);
+          error= true;
+          return 1;
+        }
 
-        for (i= 1; i < ml; i++) 
+        if (ml > 1 &&
+            to + ml <= end_of_buff)
         {
-          chr= GET;
-          if (chr == my_b_EOF)
+          uchar* p= to;
+          *to++ = chr;
+
+          for (uint i= 1; i < ml; i++)
           {
-            /*
-             Need to back up the bytes already ready from illformed
-             multi-byte char 
-            */
-            to-= i;
-            goto found_eof;
+            chr= GET;
+            if (chr == my_b_EOF)
+            {
+              /*
+                Need to back up the bytes already ready from illformed
+                multi-byte char 
+              */
+              to-= i;
+              goto found_eof;
+            }
+            *to++ = chr;
           }
-          *to++ = chr;
-        }
-        if (my_ismbchar(read_charset,
+          if (my_ismbchar(read_charset,
                         (const char *)p,
                         (const char *)to))
-          continue;
-        for (i= 0; i < ml; i++)
-          PUSH(*--to);
-        chr= GET;
-      }
+            continue;
+          for (uint i= 0; i < ml; i++)
+            PUSH(*--to);
+          chr= GET;
+        }
+        else if (ml > 1)
+        {
+          // Buffer is too small, exit while loop, and reallocate.
+          PUSH(chr);
+          break;
+        }
 #endif
       *to++ = (uchar) chr;
     }
@@ -1871,7 +1884,15 @@ int READ_INFO::read_value(int delim, String *val)
   for (chr= GET; my_tospace(chr) != delim && chr != my_b_EOF;)
   {
 #ifdef USE_MB
-    if (my_mbcharlen(read_charset, chr) > 1)
+    uint ml= my_mbcharlen(read_charset, chr);
+    if (ml == 0)
+    {
+      chr= my_b_EOF;
+      val->length(0);
+      return chr;
+    }
+
+    if (ml > 1)
     {
       DBUG_PRINT("read_xml",("multi byte"));
       int i, ml= my_mbcharlen(read_charset, chr);
diff --git a/sql/sql_plugin.cc b/sql/sql_plugin.cc
index 5977cfb8618..a42aebfd728 100644
--- a/sql/sql_plugin.cc
+++ b/sql/sql_plugin.cc
@@ -2937,68 +2937,8 @@ static uchar *intern_sys_var_ptr(THD* thd, int offset, bool global_lock)
   if (!thd->variables.dynamic_variables_ptr ||
       (uint)offset > thd->variables.dynamic_variables_head)
   {
-    uint idx;
-
     mysql_rwlock_rdlock(&LOCK_system_variables_hash);
-
-    thd->variables.dynamic_variables_ptr= (char*)
-      my_realloc(thd->variables.dynamic_variables_ptr,
-                 global_variables_dynamic_size,
-                 MYF(MY_WME | MY_FAE | MY_ALLOW_ZERO_PTR));
-
-    if (global_lock)
-      mysql_mutex_lock(&LOCK_global_system_variables);
-
-    mysql_mutex_assert_owner(&LOCK_global_system_variables);
-
-    memcpy(thd->variables.dynamic_variables_ptr +
-             thd->variables.dynamic_variables_size,
-           global_system_variables.dynamic_variables_ptr +
-             thd->variables.dynamic_variables_size,
-           global_system_variables.dynamic_variables_size -
-             thd->variables.dynamic_variables_size);
-
-    /*
-      now we need to iterate through any newly copied 'defaults'
-      and if it is a string type with MEMALLOC flag, we need to strdup
-    */
-    for (idx= 0; idx < bookmark_hash.records; idx++)
-    {
-      sys_var_pluginvar *pi;
-      sys_var *var;
-      st_bookmark *v= (st_bookmark*) my_hash_element(&bookmark_hash,idx);
-
-      if (v->version <= thd->variables.dynamic_variables_version)
-        continue; /* already in thd->variables */
-
-      if (!(var= intern_find_sys_var(v->key + 1, v->name_len)) ||
-          !(pi= var->cast_pluginvar()) ||
-          v->key[0] != plugin_var_bookmark_key(pi->plugin_var->flags))
-        continue;
-
-      /* Here we do anything special that may be required of the data types */
-
-      if ((pi->plugin_var->flags & PLUGIN_VAR_TYPEMASK) == PLUGIN_VAR_STR &&
-          pi->plugin_var->flags & PLUGIN_VAR_MEMALLOC)
-      {
-         char **pp= (char**) (thd->variables.dynamic_variables_ptr +
-                             *(int*)(pi->plugin_var + 1));
-         if ((*pp= *(char**) (global_system_variables.dynamic_variables_ptr +
-                             *(int*)(pi->plugin_var + 1))))
-           *pp= my_strdup(*pp, MYF(MY_WME|MY_FAE));
-      }
-    }
-
-    if (global_lock)
-      mysql_mutex_unlock(&LOCK_global_system_variables);
-
-    thd->variables.dynamic_variables_version=
-           global_system_variables.dynamic_variables_version;
-    thd->variables.dynamic_variables_head=
-           global_system_variables.dynamic_variables_head;
-    thd->variables.dynamic_variables_size=
-           global_system_variables.dynamic_variables_size;
-
+    sync_dynamic_session_variables(thd, global_lock);
     mysql_rwlock_unlock(&LOCK_system_variables_hash);
   }
   DBUG_RETURN((uchar*)thd->variables.dynamic_variables_ptr + offset);
@@ -3078,6 +3018,70 @@ void plugin_thdvar_init(THD *thd)
 }
 
 
+
+void sync_dynamic_session_variables(THD* thd, bool global_lock)
+{
+  uint idx;
+
+  thd->variables.dynamic_variables_ptr= (char*)
+    my_realloc(thd->variables.dynamic_variables_ptr,
+               global_variables_dynamic_size,
+               MYF(MY_WME | MY_FAE | MY_ALLOW_ZERO_PTR));
+
+  if (global_lock)
+    mysql_mutex_lock(&LOCK_global_system_variables);
+
+  mysql_mutex_assert_owner(&LOCK_global_system_variables);
+
+  memcpy(thd->variables.dynamic_variables_ptr +
+           thd->variables.dynamic_variables_size,
+         global_system_variables.dynamic_variables_ptr +
+           thd->variables.dynamic_variables_size,
+         global_system_variables.dynamic_variables_size -
+           thd->variables.dynamic_variables_size);
+
+  /*
+    now we need to iterate through any newly copied 'defaults'
+    and if it is a string type with MEMALLOC flag, we need to strdup
+  */
+  for (idx= 0; idx < bookmark_hash.records; idx++)
+  {
+    sys_var_pluginvar *pi;
+    sys_var *var;
+    st_bookmark *v= (st_bookmark*) my_hash_element(&bookmark_hash,idx);
+
+    if (v->version <= thd->variables.dynamic_variables_version)
+      continue; /* already in thd->variables */
+
+    if (!(var= intern_find_sys_var(v->key + 1, v->name_len)) ||
+        !(pi= var->cast_pluginvar()) ||
+        v->key[0] != plugin_var_bookmark_key(pi->plugin_var->flags))
+      continue;
+
+    /* Here we do anything special that may be required of the data types */
+
+    if ((pi->plugin_var->flags & PLUGIN_VAR_TYPEMASK) == PLUGIN_VAR_STR &&
+        pi->plugin_var->flags & PLUGIN_VAR_MEMALLOC)
+    {
+      int offset= ((thdvar_str_t *)(pi->plugin_var))->offset;
+      char **pp= (char**) (thd->variables.dynamic_variables_ptr + offset);
+      if (*pp)
+        *pp= my_strdup(*pp, MYF(MY_WME|MY_FAE));
+    }
+  }
+
+  if (global_lock)
+    mysql_mutex_unlock(&LOCK_global_system_variables);
+
+  thd->variables.dynamic_variables_version=
+         global_system_variables.dynamic_variables_version;
+  thd->variables.dynamic_variables_head=
+         global_system_variables.dynamic_variables_head;
+  thd->variables.dynamic_variables_size=
+         global_system_variables.dynamic_variables_size;
+}
+
+
 /*
   Unlocks all system variables which hold a reference
 */
diff --git a/sql/sql_plugin.h b/sql/sql_plugin.h
index e5f985aa082..bd42f00e0fe 100644
--- a/sql/sql_plugin.h
+++ b/sql/sql_plugin.h
@@ -188,6 +188,8 @@ typedef my_bool (plugin_foreach_func)(THD *thd,
 #define plugin_foreach(A,B,C,D) plugin_foreach_with_mask(A,B,C,PLUGIN_IS_READY,D)
 extern bool plugin_foreach_with_mask(THD *thd, plugin_foreach_func *func,
                                      int type, uint state_mask, void *arg);
+extern void sync_dynamic_session_variables(THD* thd, bool global_lock);
+
 extern bool plugin_dl_foreach(THD *thd, const LEX_STRING *dl,
                               plugin_foreach_func *func, void *arg);
 #endif
diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index 97f6b863058..ea9f9ec2cca 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -7409,19 +7409,30 @@ int fill_variables(THD *thd, TABLE_LIST *tables, COND *cond)
   const char *wild= lex->wild ? lex->wild->ptr() : NullS;
   enum enum_schema_tables schema_table_idx=
     get_schema_table_idx(tables->schema_table);
-  enum enum_var_type option_type= OPT_SESSION;
+  enum enum_var_type scope= OPT_SESSION;
   bool upper_case_names= (schema_table_idx != SCH_VARIABLES);
   bool sorted_vars= (schema_table_idx == SCH_VARIABLES);
 
   if ((sorted_vars && lex->option_type == OPT_GLOBAL) ||
       schema_table_idx == SCH_GLOBAL_VARIABLES)
-    option_type= OPT_GLOBAL;
+    scope= OPT_GLOBAL;
 
   COND *partial_cond= make_cond_for_info_schema(cond, tables);
 
   mysql_rwlock_rdlock(&LOCK_system_variables_hash);
-  res= show_status_array(thd, wild, enumerate_sys_vars(thd, sorted_vars, option_type),
-                         option_type, NULL, "", tables->table,
+
+  /*
+    Avoid recursive LOCK_system_variables_hash acquisition in
+    intern_sys_var_ptr() by pre-syncing dynamic session variables.
+  */
+  if (scope == OPT_SESSION &&
+      (!thd->variables.dynamic_variables_ptr ||
+       global_system_variables.dynamic_variables_head >
+       thd->variables.dynamic_variables_head))
+    sync_dynamic_session_variables(thd, true);
+
+  res= show_status_array(thd, wild, enumerate_sys_vars(thd, sorted_vars, scope),
+                         scope, NULL, "", tables->table,
                          upper_case_names, partial_cond);
   mysql_rwlock_unlock(&LOCK_system_variables_hash);
   DBUG_RETURN(res);
diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index 71875433c39..cfa907b9ddc 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -893,6 +893,12 @@ bool st_select_lex_unit::cleanup()
       join->tables_list= 0;
       join->table_count= 0;
       join->top_join_tab_count= 0;
+      if (join->tmp_join && join->tmp_join != join)
+      {
+        join->tmp_join->tables_list= 0;
+        join->tmp_join->table_count= 0;
+        join->tmp_join->top_join_tab_count= 0;
+      }
     }
     error|= fake_select_lex->cleanup();
     /*
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc
index 060441bed72..5b2b6e32314 100644
--- a/sql/sys_vars.cc
+++ b/sql/sys_vars.cc
@@ -3832,14 +3832,16 @@ static bool check_log_path(sys_var *self, THD *thd, set_var *var)
   if (!var->save_result.string_value.str)
     return true;
 
-  if (var->save_result.string_value.length > FN_REFLEN)
+  LEX_STRING *val= &var->save_result.string_value;
+
+  if (val->length > FN_REFLEN)
   { // path is too long
     my_error(ER_PATH_LENGTH, MYF(0), self->name.str);
     return true;
   }
 
   char path[FN_REFLEN];
-  size_t path_length= unpack_filename(path, var->save_result.string_value.str);
+  size_t path_length= unpack_filename(path, val->str);
 
   if (!path_length)
     return true;
@@ -3852,6 +3854,17 @@ static bool check_log_path(sys_var *self, THD *thd, set_var *var)
      return true;
   }
 
+  static const LEX_CSTRING my_cnf= { STRING_WITH_LEN("my.cnf") };
+  static const LEX_CSTRING my_ini= { STRING_WITH_LEN("my.ini") };
+  if (path_length >= my_cnf.length)
+  {
+    if (strcasecmp(path + path_length - my_cnf.length, my_cnf.str) == 0)
+      return true; // log file name ends with "my.cnf"
+    DBUG_ASSERT(my_cnf.length == my_ini.length);
+    if (strcasecmp(path + path_length - my_ini.length, my_ini.str) == 0)
+      return true; // log file name ends with "my.ini"
+  }
+
   MY_STAT f_stat;
 
   if (my_stat(path, &f_stat, MYF(0)))
@@ -3861,9 +3874,9 @@ static bool check_log_path(sys_var *self, THD *thd, set_var *var)
     return false;
   }
 
-  (void) dirname_part(path, var->save_result.string_value.str, &path_length);
+  (void) dirname_part(path, val->str, &path_length);
 
-  if (var->save_result.string_value.length - path_length >= FN_LEN)
+  if (val->length - path_length >= FN_LEN)
   { // filename is too long
       my_error(ER_PATH_LENGTH, MYF(0), self->name.str);
       return true;
diff --git a/storage/innobase/include/os0sync.h b/storage/innobase/include/os0sync.h
index 1cf4e9ce501..bd9acb13028 100644
--- a/storage/innobase/include/os0sync.h
+++ b/storage/innobase/include/os0sync.h
@@ -479,20 +479,13 @@ os_atomic_test_and_set(volatile lock_word_t* ptr)
 }
 
 /** Do an atomic release.
-
-In theory __sync_lock_release should be used to release the lock.
-Unfortunately, it does not work properly alone. The workaround is
-that more conservative __sync_lock_test_and_set is used instead.
-
-Performance regression was observed at some conditions for Intel
-architecture. Disable release barrier on Intel architecture for now.
 @param[in,out]	ptr		Memory location to write to
 @return the previous value */
 inline
-lock_word_t
+void
 os_atomic_clear(volatile lock_word_t* ptr)
 {
-	return(__sync_lock_test_and_set(ptr, 0));
+	__sync_lock_release(ptr);
 }
 
 # elif defined(HAVE_IB_GCC_ATOMIC_TEST_AND_SET)
@@ -861,7 +854,7 @@ for synchronization */
 architecture. Disable memory barrier for Intel architecture for now. */
 # define os_rmb do { } while(0)
 # define os_wmb do { } while(0)
-# define os_isync do { } while(0)
+# define os_mb do { } while(0)
 # define IB_MEMORY_BARRIER_STARTUP_MSG \
 	"Memory barrier is not used"
 #elif defined(HAVE_IB_GCC_ATOMIC_THREAD_FENCE)
diff --git a/storage/innobase/include/sync0sync.ic b/storage/innobase/include/sync0sync.ic
index 55f728fd744..84a9be971b9 100644
--- a/storage/innobase/include/sync0sync.ic
+++ b/storage/innobase/include/sync0sync.ic
@@ -178,6 +178,11 @@ mutex_exit_func(
 	to wake up possible hanging threads if
 	they are missed in mutex_signal_object. */
 
+	/* We add a memory barrier to prevent reading of the
+	number of waiters before releasing the lock. */
+
+	os_mb;
+
 	if (mutex_get_waiters(mutex) != 0) {
 
 		mutex_signal_object(mutex);
diff --git a/storage/innobase/page/page0cur.cc b/storage/innobase/page/page0cur.cc
index f5f7e1299ce..28368182b3e 100644
--- a/storage/innobase/page/page0cur.cc
+++ b/storage/innobase/page/page0cur.cc
@@ -1055,6 +1055,26 @@ use_heap:
 	insert_rec = rec_copy(insert_buf, rec, offsets);
 	rec_offs_make_valid(insert_rec, index, offsets);
 
+	/* This is because assertion below is debug assertion */
+#ifdef UNIV_DEBUG
+	if (UNIV_UNLIKELY(current_rec == insert_rec)) {
+		ulint extra_len, data_len;
+		extra_len = rec_offs_extra_size(offsets);
+		data_len = rec_offs_data_size(offsets);
+
+		fprintf(stderr, "InnoDB: Error: current_rec == insert_rec "
+			" extra_len %lu data_len %lu insert_buf %p rec %p\n",
+			extra_len, data_len, insert_buf, rec);
+		fprintf(stderr, "InnoDB; Physical record: \n");
+		rec_print(stderr, rec, index);
+		fprintf(stderr, "InnoDB: Inserted record: \n");
+		rec_print(stderr, insert_rec, index);
+		fprintf(stderr, "InnoDB: Current record: \n");
+		rec_print(stderr, current_rec, index);
+		ut_a(current_rec != insert_rec);
+	}
+#endif /* UNIV_DEBUG */
+
 	/* 4. Insert the record in the linked list of records */
 	ut_ad(current_rec != insert_rec);
 
diff --git a/storage/myisam/ha_myisam.cc b/storage/myisam/ha_myisam.cc
index d97aa503d42..dac01b8af89 100644
--- a/storage/myisam/ha_myisam.cc
+++ b/storage/myisam/ha_myisam.cc
@@ -1454,6 +1454,7 @@ int ha_myisam::enable_indexes(uint mode)
   else if (mode == HA_KEY_SWITCH_NONUNIQ_SAVE)
   {
     THD *thd= table->in_use;
+    int was_error= thd->is_error();
     HA_CHECK &param= *(HA_CHECK*) thd->alloc(sizeof(param));
     const char *save_proc_info=thd->proc_info;
 
@@ -1499,7 +1500,7 @@ int ha_myisam::enable_indexes(uint mode)
         might have been set by the first repair. They can still be seen
         with SHOW WARNINGS then.
       */
-      if (! error)
+      if (! error && ! was_error)
         thd->clear_error();
     }
     info(HA_STATUS_CONST);
diff --git a/storage/xtradb/include/log0online.h b/storage/xtradb/include/log0online.h
index 67dc0d72b4b..5706f3af4b0 100644
--- a/storage/xtradb/include/log0online.h
+++ b/storage/xtradb/include/log0online.h
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
+Street, Fifth Floor, Boston, MA 02110-1301, USA
 
 *****************************************************************************/
 
diff --git a/storage/xtradb/include/os0sync.h b/storage/xtradb/include/os0sync.h
index 0f93f3ff074..c7a9318c841 100644
--- a/storage/xtradb/include/os0sync.h
+++ b/storage/xtradb/include/os0sync.h
@@ -530,20 +530,13 @@ os_atomic_test_and_set(volatile lock_word_t* ptr)
 }
 
 /** Do an atomic release.
-
-In theory __sync_lock_release should be used to release the lock.
-Unfortunately, it does not work properly alone. The workaround is
-that more conservative __sync_lock_test_and_set is used instead.
-
-Performance regression was observed at some conditions for Intel
-architecture. Disable release barrier on Intel architecture for now.
 @param[in,out]	ptr		Memory location to write to
 @return the previous value */
 inline
-lock_word_t
+void
 os_atomic_clear(volatile lock_word_t* ptr)
 {
-	return(__sync_lock_test_and_set(ptr, 0));
+	__sync_lock_release(ptr);
 }
 
 # elif defined(HAVE_IB_GCC_ATOMIC_TEST_AND_SET)
@@ -912,7 +905,7 @@ for synchronization */
 architecture. Disable memory barrier for Intel architecture for now. */
 # define os_rmb do { } while(0)
 # define os_wmb do { } while(0)
-# define os_isync do { } while(0)
+# define os_mb do { } while(0)
 # define IB_MEMORY_BARRIER_STARTUP_MSG \
 	"Memory barrier is not used"
 #elif defined(HAVE_IB_GCC_ATOMIC_THREAD_FENCE)
diff --git a/storage/xtradb/include/sync0sync.ic b/storage/xtradb/include/sync0sync.ic
index 00db854341a..823389d4cbe 100644
--- a/storage/xtradb/include/sync0sync.ic
+++ b/storage/xtradb/include/sync0sync.ic
@@ -181,6 +181,11 @@ mutex_exit_func(
 	to wake up possible hanging threads if
 	they are missed in mutex_signal_object. */
 
+	/* We add a memory barrier to prevent reading of the
+	number of waiters before releasing the lock. */
+
+	os_mb;
+
 	if (mutex_get_waiters(mutex) != 0) {
 
 		mutex_signal_object(mutex);
diff --git a/storage/xtradb/log/log0online.cc b/storage/xtradb/log/log0online.cc
index 4aa9174328d..65176548532 100644
--- a/storage/xtradb/log/log0online.cc
+++ b/storage/xtradb/log/log0online.cc
@@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA
+this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
+Street, Fifth Floor, Boston, MA 02110-1301, USA
 
 *****************************************************************************/
 
diff --git a/storage/xtradb/page/page0cur.cc b/storage/xtradb/page/page0cur.cc
index f5f7e1299ce..28368182b3e 100644
--- a/storage/xtradb/page/page0cur.cc
+++ b/storage/xtradb/page/page0cur.cc
@@ -1055,6 +1055,26 @@ use_heap:
 	insert_rec = rec_copy(insert_buf, rec, offsets);
 	rec_offs_make_valid(insert_rec, index, offsets);
 
+	/* This is because assertion below is debug assertion */
+#ifdef UNIV_DEBUG
+	if (UNIV_UNLIKELY(current_rec == insert_rec)) {
+		ulint extra_len, data_len;
+		extra_len = rec_offs_extra_size(offsets);
+		data_len = rec_offs_data_size(offsets);
+
+		fprintf(stderr, "InnoDB: Error: current_rec == insert_rec "
+			" extra_len %lu data_len %lu insert_buf %p rec %p\n",
+			extra_len, data_len, insert_buf, rec);
+		fprintf(stderr, "InnoDB; Physical record: \n");
+		rec_print(stderr, rec, index);
+		fprintf(stderr, "InnoDB: Inserted record: \n");
+		rec_print(stderr, insert_rec, index);
+		fprintf(stderr, "InnoDB: Current record: \n");
+		rec_print(stderr, current_rec, index);
+		ut_a(current_rec != insert_rec);
+	}
+#endif /* UNIV_DEBUG */
+
 	/* 4. Insert the record in the linked list of records */
 	ut_ad(current_rec != insert_rec);