Merge msvensson.mysql.internal:mysql/mysql-5.1-maint

into  shellback.(none):/home/msvensson/mysql/mysql-5.1-maint

BitKeeper/triggers/post-commit

@@ -8,6 +8,12 @@ LIMIT=10000
 VERSION="5.1"
 BKROOT=`bk root`
 
+if [ -x /usr/sbin/sendmail ]; then
+  SENDMAIL=/usr/sbin/sendmail
+else
+  SENDMAIL=sendmail
+fi
+
 if [ "$REAL_EMAIL" = "" ]
 then
  echo "Warning: you must set REAL_EMAIL in your profile"
@@ -61,7 +67,7 @@ EOF
   bk cset -r+ -d
  ) > $BKROOT/BitKeeper/tmp/dev_public.txt
 
-bk sendmail -t < $BKROOT/BitKeeper/tmp/dev_public.txt
+$SENDMAIL -t < $BKROOT/BitKeeper/tmp/dev_public.txt
 
 #++
 # commits@ mail
@@ -87,7 +93,7 @@ EOF
   bk cset -r+ -d
  ) | bk sed -e ${LIMIT}q > $BKROOT/BitKeeper/tmp/commits.txt
 
-bk sendmail -t < $BKROOT/BitKeeper/tmp/commits.txt
+$SENDMAIL -t < $BKROOT/BitKeeper/tmp/commits.txt
 
 #++
 # docs-commit@ mail
@@ -108,7 +114,7 @@ EOF
   bk changes -v -r+
   bk cset -r+ -d
  ) > $BKROOT/BitKeeper/tmp/docs.txt
- bk sendmail -t < $BKROOT/BitKeeper/tmp/docs.txt
+ $SENDMAIL -t < $BKROOT/BitKeeper/tmp/docs.txt
  fi
 
 else

client/mysql.cc

@@ -2301,10 +2301,8 @@ print_table_data(MYSQL_RES *result)
   MYSQL_ROW	cur;
   MYSQL_FIELD	*field;
   bool		*num_flag;
-  bool		*not_null_flag;
 
   num_flag=(bool*) my_alloca(sizeof(bool)*mysql_num_fields(result));
-  not_null_flag=(bool*) my_alloca(sizeof(bool)*mysql_num_fields(result));
   if (info_flag)
   {
     print_field_types(result);
@@ -2343,7 +2341,6 @@ print_table_data(MYSQL_RES *result)
                                             MAX_COLUMN_LENGTH),
                   field->name);
       num_flag[off]= IS_NUM(field->type);
-      not_null_flag[off]= IS_NOT_NULL(field->flags);
     }
     (void) tee_fputs("\n", PAGER);
     tee_puts((char*) separator.ptr(), PAGER);
@@ -2364,7 +2361,7 @@ print_table_data(MYSQL_RES *result)
       uint visible_length;
       uint extra_padding;
 
-      if (! not_null_flag[off] && (cur[off] == NULL))
+      if (cur[off] == NULL)
       {
         buffer= "NULL";
         data_length= 4;
@@ -2404,7 +2401,6 @@ print_table_data(MYSQL_RES *result)
   }
   tee_puts((char*) separator.ptr(), PAGER);
   my_afree((gptr) num_flag);
-  my_afree((gptr) not_null_flag);
 }
 
 

client/mysql_upgrade.c

@@ -200,7 +200,7 @@ retry_open:
   }
   buffer_end= strnmov(buffer, "\n[client]", sizeof(buffer));
   if (opt_password)
-    buffer_end= strxnmov(buffer, sizeof(buffer),
+    buffer_end= strxnmov(buffer_end, sizeof(buffer),
                          "\npassword=", opt_password, NullS);
   error= my_write(defaults_file, buffer, (int) (buffer_end - buffer),
                   MYF(MY_WME | MY_FNABP));

client/mysqldump.c

@@ -86,7 +86,7 @@ static char *alloc_query_str(ulong size);
 static char *field_escape(char *to,const char *from,uint length);
 static my_bool  verbose= 0, opt_no_create_info= 0, opt_no_data= 0,
                 quick= 1, extended_insert= 1,
-                lock_tables=1,ignore_errors=0,flush_logs=0,
+                lock_tables=1,ignore_errors=0,flush_logs=0,flush_privileges=0,
                 opt_drop=1,opt_keywords=0,opt_lock=1,opt_compress=0,
                 opt_delayed=0,create_options=1,opt_quoted=0,opt_databases=0,
                 opt_alldbs=0,opt_create_db=0,opt_lock_all_tables=0,
@@ -266,6 +266,12 @@ static struct my_option my_long_options[] =
    "--lock-all-tables or --master-data with --flush-logs",
    (gptr*) &flush_logs, (gptr*) &flush_logs, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
    0, 0},
+  {"flush-privileges", OPT_ESC, "Emit a FLUSH PRIVILEGES statement "
+   "after dumping the mysql database.  This option should be used any "
+   "time the dump contains the mysql database and any other database "
+   "that depends on the data in the mysql database for proper restore. ",
+   (gptr*) &flush_privileges, (gptr*) &flush_privileges, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
+   0, 0},
   {"force", 'f', "Continue even if we get an sql-error.",
    (gptr*) &ignore_errors, (gptr*) &ignore_errors, 0, GET_BOOL, NO_ARG,
    0, 0, 0, 0, 0, 0},
@@ -3037,6 +3043,7 @@ static int dump_all_tables_in_db(char *database)
 
   char hash_key[2*NAME_LEN+2];  /* "db.tablename" */
   char *afterdot;
+  int using_mysql_db= my_strcasecmp(&my_charset_latin1, database, "mysql");
 
   afterdot= strmov(hash_key, database);
   *afterdot++= '.';
@@ -3099,6 +3106,11 @@ static int dump_all_tables_in_db(char *database)
   }
   if (lock_tables)
     VOID(mysql_query_with_error_report(mysql, 0, "UNLOCK TABLES"));
+  if (flush_privileges && using_mysql_db == 0)
+  {
+    fprintf(md_result_file,"\n--\n-- Flush Grant Tables \n--\n");
+    fprintf(md_result_file,"\n/*! FLUSH PRIVILEGES */;\n");
+  }
   return 0;
 } /* dump_all_tables_in_db */
 

mysql-test/r/insert_select.result

@@ -695,6 +695,16 @@ CREATE TABLE t2 (z int, y int);
 CREATE TABLE t3 (a int, b int);
 INSERT INTO t3 (SELECT x, y FROM t1 JOIN t2 USING (y) WHERE z = 1);
 DROP TABLE IF EXISTS t1,t2,t3;
+CREATE DATABASE bug21774_1;
+CREATE DATABASE bug21774_2;
+CREATE TABLE bug21774_1.t1(id VARCHAR(10) NOT NULL,label VARCHAR(255));
+CREATE TABLE bug21774_2.t1(id VARCHAR(10) NOT NULL,label VARCHAR(255));
+CREATE TABLE bug21774_1.t2(id VARCHAR(10) NOT NULL,label VARCHAR(255));
+INSERT INTO bug21774_2.t1 SELECT t1.* FROM bug21774_1.t1;
+use bug21774_1;
+INSERT INTO bug21774_2.t1 SELECT t1.* FROM t1;
+DROP DATABASE bug21774_1;
+DROP DATABASE bug21774_2;
 CREATE DATABASE meow;
 CREATE TABLE table_target   ( mexs_id CHAR(8), messzeit TIMESTAMP, PRIMARY KEY (mexs_id));
 CREATE TABLE table_target2  ( mexs_id CHAR(8), messzeit TIMESTAMP, PRIMARY KEY (mexs_id));

mysql-test/r/mysql.result

@@ -85,6 +85,12 @@ c_cp932
 | NULL | NULL | Τη γλώσσα                 | 
 | NULL | NULL | ᛖᚴ ᚷᛖᛏ                    | 
 +------+------+---------------------------+
+i	j	k
+NULL	1	NULL
+Field	Type	Null	Key	Default	Extra
+i	int(11)	YES		NULL	
+j	int(11)	NO			
+k	int(11)	YES		NULL	
 +------+---+------+
 | i    | j | k    |
 +------+---+------+
@@ -97,6 +103,10 @@ c_cp932
 | j     | int(11) | NO   |     |         |       | 
 | k     | int(11) | YES  |     | NULL    |       | 
 +-------+---------+------+-----+---------+-------+
+i	s1
+1	x
+2	NULL
+3	
 +------+------+
 | i    | s1   |
 +------+------+
@@ -104,6 +114,13 @@ c_cp932
 |    2 | NULL | 
 |    3 |      | 
 +------+------+
+unhex('zz')
+NULL
++-------------+
+| unhex('zz') |
++-------------+
+| NULL        | 
++-------------+
 create table t1(a int, b varchar(255), c int);
 Field	Type	Null	Key	Default	Extra
 a	int(11)	YES		NULL	

mysql-test/r/mysqldump.result

@@ -2923,14 +2923,32 @@ drop user mysqltest_1@localhost;
 create database mysqldump_myDB;
 use mysqldump_myDB;
 create user myDB_User;
-grant create view, select on mysqldump_myDB.* to myDB_User@localhost;
+grant create, create view, select, insert on mysqldump_myDB.* to myDB_User@localhost;
 create table t1 (c1 int);
 insert into t1 values (3);
 use mysqldump_myDB;
+create table u1 (f1 int);
+insert into u1 values (4);
 create view v1 (c1) as select * from t1;
 use mysqldump_myDB;
 drop view v1;
 drop table t1;
+drop table u1;
+revoke all privileges on mysqldump_myDB.* from myDB_User@localhost;
+drop user myDB_User;
+drop database mysqldump_myDB;
+flush privileges;
+use mysqldump_myDB;
+select * from mysqldump_myDB.v1;
+c1
+3
+select * from mysqldump_myDB.u1;
+f1
+4
+use mysqldump_myDB;
+drop view v1;
+drop table t1;
+drop table u1;
 revoke all privileges on mysqldump_myDB.* from myDB_User@localhost;
 drop user myDB_User;
 drop database mysqldump_myDB;

mysql-test/t/insert_select.test

@@ -248,6 +248,24 @@ CREATE TABLE t3 (a int, b int);
 INSERT INTO t3 (SELECT x, y FROM t1 JOIN t2 USING (y) WHERE z = 1);
 DROP TABLE IF EXISTS t1,t2,t3;
 
+#
+# Bug #21774: Column count doesn't match value count at row x
+#
+CREATE DATABASE bug21774_1;
+CREATE DATABASE bug21774_2;
+
+CREATE TABLE bug21774_1.t1(id VARCHAR(10) NOT NULL,label VARCHAR(255));
+CREATE TABLE bug21774_2.t1(id VARCHAR(10) NOT NULL,label VARCHAR(255));
+CREATE TABLE bug21774_1.t2(id VARCHAR(10) NOT NULL,label VARCHAR(255));
+
+INSERT INTO bug21774_2.t1 SELECT t1.* FROM bug21774_1.t1;
+
+use bug21774_1;
+INSERT INTO bug21774_2.t1 SELECT t1.* FROM t1;
+
+DROP DATABASE bug21774_1;
+DROP DATABASE bug21774_2;
+
 #
 # Bug #20989: View '(null).(null)' references invalid table(s)... on
 #             SQL SECURITY INVOKER

mysql-test/t/mysql.test

@@ -70,13 +70,21 @@ drop table t1;
 #
 # "DESCRIBE" commands may return strange NULLness flags.
 #
+--exec $MYSQL --default-character-set utf8 test -e "create table t1 (i int, j int not null, k int); insert into t1 values (null, 1, null); select * from t1; describe t1; drop table t1;"
 --exec $MYSQL -t --default-character-set utf8 test -e "create table t1 (i int, j int not null, k int); insert into t1 values (null, 1, null); select * from t1; describe t1; drop table t1;"
 
 #
 # Bug#19564: mysql displays NULL instead of space
 #
+--exec $MYSQL test -e "create table b19564 (i int, s1 char(1)); insert into b19564 values (1, 'x'); insert into b19564 values (2, NULL); insert into b19564 values (3, ' '); select * from b19564 order by i; drop table b19564;" 
 --exec $MYSQL -t test -e "create table b19564 (i int, s1 char(1)); insert into b19564 values (1, 'x'); insert into b19564 values (2, NULL); insert into b19564 values (3, ' '); select * from b19564 order by i; drop table b19564;" 
 
+#
+# Bug#21618: NULL shown as empty string in client
+#
+--exec $MYSQL test -e "select unhex('zz');" 
+--exec $MYSQL -t test -e "select unhex('zz');" 
+
 #
 # Bug#19265 describe command does not work from mysql prompt
 #

mysql-test/t/mysqldump.test

@@ -1325,28 +1325,59 @@ drop user mysqltest_1@localhost;
 # Bug #21527 mysqldump incorrectly tries to LOCK TABLES on the 
 # information_schema database.
 #
+# Bug #21424 mysqldump failing to export/import views
+#
+
+# Do as root
 connect (root,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK);
 connection root;
 create database mysqldump_myDB;
 use mysqldump_myDB;
 create user myDB_User;
-grant create view, select on mysqldump_myDB.* to myDB_User@localhost;
+grant create, create view, select, insert on mysqldump_myDB.* to myDB_User@localhost;
 create table t1 (c1 int);
 insert into t1 values (3);
 
+# Do as a user
 connect (user1,localhost,myDB_User,,mysqldump_myDB,$MASTER_MYPORT,$MASTER_MYSOCK);
 connection user1;
 use mysqldump_myDB;
+create table u1 (f1 int);
+insert into u1 values (4);
 create view v1 (c1) as select * from t1;
 
-# Backup should not fail.
---exec $MYSQL_DUMP --all-databases --add-drop-table > $MYSQLTEST_VARDIR/tmp/bug21527.sql
+# Backup should not fail for Bug #21527. Flush priviliges test begins.
+--exec $MYSQL_DUMP --skip-comments --add-drop-table --flush-privileges --ignore-table=mysql.general_log --ignore-table=mysql.slow_log --databases mysqldump_myDB mysql > $MYSQLTEST_VARDIR/tmp/bug21527.sql
 
 # Clean up
 connection root;
 use mysqldump_myDB;
 drop view v1;
 drop table t1;
+drop table u1;
+revoke all privileges on mysqldump_myDB.* from myDB_User@localhost;
+drop user myDB_User;
+drop database mysqldump_myDB;
+flush privileges;
+
+# Bug #21424 continues from here.
+# Restore. Flush Privileges test ends.  
+--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug21527.sql;
+
+# Do as a user
+connection user1;
+use mysqldump_myDB;
+
+# Ultimate test for correct data.
+select * from mysqldump_myDB.v1;
+select * from mysqldump_myDB.u1;
+
+#Final cleanup.
+connection root;
+use mysqldump_myDB;
+drop view v1;
+drop table t1;
+drop table u1;
 revoke all privileges on mysqldump_myDB.* from myDB_User@localhost;
 drop user myDB_User;
 drop database mysqldump_myDB;

sql/sql_base.cc

@@ -5371,7 +5371,20 @@ bool setup_tables(THD *thd, Name_resolution_context *context,
   uint tablenr= 0;
   DBUG_ENTER("setup_tables");
 
-  context->table_list= context->first_name_resolution_table= tables;
+  /*
+    Due to the various call paths that lead to setup_tables() it may happen
+    that context->table_list and context->first_name_resolution_table can be
+    NULL (this is typically done when creating TABLE_LISTs internally).
+    TODO:
+    Investigate all cases when this my happen, initialize the name resolution
+    context correctly in all those places, and remove the context reset below.
+  */
+  if (!context->table_list || !context->first_name_resolution_table)
+  {
+    /* Test whether the context is in a consistent state. */
+    DBUG_ASSERT(!context->first_name_resolution_table && !context->table_list);
+    context->table_list= context->first_name_resolution_table= tables;
+  }
 
   /*
     this is used for INSERT ... SELECT.

sql/sql_insert.cc

@@ -395,6 +395,15 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
   table= table_list->table;
 
   context= &thd->lex->select_lex.context;
+  /*
+    These three asserts test the hypothesis that the resetting of the name
+    resolution context below is not necessary at all since the list of local
+    tables for INSERT always consists of one table.
+  */
+  DBUG_ASSERT(!table_list->next_local);
+  DBUG_ASSERT(!context->table_list->next_local);
+  DBUG_ASSERT(!context->first_name_resolution_table->next_name_resolution_table);
+
   /* Save the state of the current name resolution context. */
   ctx_state.save_state(context, table_list);
 

sql/sql_parse.cc

@@ -3383,8 +3383,6 @@ end_with_restore_list:
     DBUG_ASSERT(first_table == all_tables && first_table != 0);
     if ((res= insert_precheck(thd, all_tables)))
       break;
-    /* Skip first table, which is the table we are inserting in */
-    select_lex->context.table_list= first_table->next_local;
 
     if (!thd->locked_tables &&
         !(need_start_waiting= !wait_if_global_read_lock(thd, 0, 1)))

storage/archive/ha_archive.cc

@@ -728,7 +728,7 @@ int ha_archive::create(const char *name, TABLE *table_arg,
       goto error;
     }
   }
-  if (!azdopen(&archive, dup(create_file), O_WRONLY|O_BINARY))
+  if (!azdopen(&archive, create_file, O_WRONLY|O_BINARY))
   {
     error= errno;
     goto error2;