Merge kboortz@bk-internal.mysql.com:/home/bk/mysql-5.0

into mysql.com:/Users/kent/mysql/bk/mysql-5.0

mysql-test/mysql-test-run.pl

@@ -1639,6 +1639,7 @@ sub mysqld_arguments ($$$$$) {
   mtr_add_arg($args, "%s--basedir=%s", $prefix, $path_my_basedir);
   mtr_add_arg($args, "%s--character-sets-dir=%s", $prefix, $path_charsetsdir);
   mtr_add_arg($args, "%s--core", $prefix);
+  mtr_add_arg($args, "%s--log-bin-trust-routine-creators", $prefix);
   mtr_add_arg($args, "%s--default-character-set=latin1", $prefix);
   mtr_add_arg($args, "%s--language=%s", $prefix, $path_language);
   mtr_add_arg($args, "%s--tmpdir=$opt_tmpdir", $prefix);

mysql-test/mysql_test_run_new.c

@@ -486,6 +486,7 @@ void start_master()
 #endif
   add_arg(&al, "--local-infile");
   add_arg(&al, "--core");
+  add_arg(&al, "--log-bin-trust-routine-creators");
   add_arg(&al, "--datadir=%s", master_dir);
 #ifndef __WIN__
   add_arg(&al, "--pid-file=%s", master_pid);

mysql-test/r/grant.result

@@ -586,3 +586,8 @@ use test;
 REVOKE ALL PRIVILEGES, GRANT OPTION FROM dummy@localhost;
 DROP USER dummy@localhost;
 DROP DATABASE mysqltest;
+use mysql;
+insert into tables_priv values ('','test_db','mysqltest_1','test_table','test_grantor',CURRENT_TIMESTAMP,'Select','Select');
+flush privileges;
+delete from tables_priv where host = '' and user = 'mysqltest_1';
+flush privileges;

mysql-test/r/information_schema.result

@@ -738,7 +738,7 @@ x_real	NULL	NULL
 x_float	NULL	NULL
 x_double_precision	NULL	NULL
 drop table t1;
-create user mysqltest_4@localhost;
+grant select on test.* to mysqltest_4@localhost;
 SELECT TABLE_NAME, COLUMN_NAME, PRIVILEGES FROM INFORMATION_SCHEMA.COLUMNS 
 where COLUMN_NAME='TABLE_NAME';
 TABLE_NAME	COLUMN_NAME	PRIVILEGES
@@ -751,6 +751,7 @@ COLUMN_PRIVILEGES	TABLE_NAME	select
 TABLE_CONSTRAINTS	TABLE_NAME	select
 KEY_COLUMN_USAGE	TABLE_NAME	select
 delete from mysql.user where user='mysqltest_4';
+delete from mysql.db where user='mysqltest_4';
 flush privileges;
 SELECT table_schema, count(*) FROM information_schema.TABLES GROUP BY TABLE_SCHEMA;
 table_schema	count(*)

mysql-test/r/mysqldump.result

@@ -1665,7 +1665,7 @@ v2	VIEW
 v3	VIEW
 show create view v1;
 View	Create View
-v1	CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select `test`.`v3`.`a` AS `a`,`test`.`v3`.`b` AS `b`,`test`.`v3`.`c` AS `c` from `test`.`v3` where (`test`.`v3`.`b` in (1,2,3,4,5,6,7))
+v1	CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select `v3`.`a` AS `a`,`v3`.`b` AS `b`,`v3`.`c` AS `c` from `test`.`v3` where (`v3`.`b` in (1,2,3,4,5,6,7))
 select * from v1;
 a	b	c
 1	2	one

mysql-test/r/sp-error.result

@@ -665,3 +665,43 @@ TEMP_SUM
 0
 drop procedure SP001;
 drop table t1, t2;
+drop function if exists bug11394|
+drop function if exists bug11394_1|
+drop function if exists bug11394_2|
+drop procedure if exists bug11394|
+create function bug11394(i int) returns int
+begin
+if i <= 0 then
+return 0;
+else
+return (i in (100, 200, bug11394(i-1), 400));
+end if;
+end|
+select bug11394(2)|
+ERROR HY000: Recursive stored routines are not allowed.
+drop function bug11394|
+create function bug11394_1(i int) returns int
+begin
+if i <= 0 then
+return 0;
+else
+return (select bug11394_1(i-1));
+end if;
+end|
+select bug11394_1(2)|
+ERROR HY000: Recursive stored routines are not allowed.
+drop function bug11394_1|
+create function bug11394_2(i int) returns int return i|
+select bug11394_2(bug11394_2(10))|
+bug11394_2(bug11394_2(10))
+10
+drop function bug11394_2|
+create procedure bug11394(i int, j int)
+begin
+if i > 0 then
+call bug11394(i - 1,(select 1));
+end if;
+end|
+call bug11394(2, 1)|
+ERROR HY000: Recursive stored routines are not allowed.
+drop procedure bug11394|

mysql-test/r/sp.result

@@ -1257,60 +1257,6 @@ drop procedure opp|
 drop procedure ip|
 show procedure status like '%p%'|
 Db	Name	Type	Definer	Modified	Created	Security_type	Comment
-drop table if exists fib|
-create table fib ( f bigint unsigned not null )|
-drop procedure if exists fib|
-create procedure fib(n int unsigned)
-begin
-if n > 1 then
-begin
-declare x, y bigint unsigned;
-declare c cursor for select f from fib order by f desc limit 2;
-open c;
-fetch c into y;
-fetch c into x;
-close c;
-insert into fib values (x+y);
-call fib(n-1);
-end;
-end if;
-end|
-insert into fib values (0), (1)|
-call fib(3)|
-select * from fib order by f asc|
-f
-0
-1
-1
-2
-delete from fib|
-insert into fib values (0), (1)|
-call fib(20)|
-select * from fib order by f asc|
-f
-0
-1
-1
-2
-3
-5
-8
-13
-21
-34
-55
-89
-144
-233
-377
-610
-987
-1597
-2584
-4181
-6765
-drop table fib|
-drop procedure fib|
 drop procedure if exists bar|
 create procedure bar(x char(16), y int)
 comment "111111111111" sql security invoker
@@ -2367,20 +2313,6 @@ s1
 1
 drop procedure bug4905|
 drop table t3|
-drop function if exists bug6022|
-drop function if exists bug6022|
-create function bug6022(x int) returns int
-begin
-if x < 0 then
-return 0;
-else
-return bug6022(x-1);
-end if;
-end|
-select bug6022(5)|
-bug6022(5)
-0
-drop function bug6022|
 drop procedure if exists bug6029|
 drop procedure if exists bug6029|
 create procedure bug6029()

mysql-test/r/sql_mode.result

@@ -420,4 +420,41 @@ t1	CREATE TABLE `t1` (
   `a` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
+SET @@SQL_MODE='';
+create function `foo` () returns int return 5;
+show create function `foo`;
+Function	sql_mode	Create Function
+foo		CREATE FUNCTION `test`.`foo`() RETURNS int(11)
+return 5
+SET @@SQL_MODE='ANSI_QUOTES';
+show create function `foo`;
+Function	sql_mode	Create Function
+foo		CREATE FUNCTION `test`.`foo`() RETURNS int(11)
+return 5
+drop function `foo`;
+create function `foo` () returns int return 5;
+show create function `foo`;
+Function	sql_mode	Create Function
+foo	ANSI_QUOTES	CREATE FUNCTION "test"."foo"() RETURNS int(11)
+return 5
+SET @@SQL_MODE='';
+show create function `foo`;
+Function	sql_mode	Create Function
+foo	ANSI_QUOTES	CREATE FUNCTION "test"."foo"() RETURNS int(11)
+return 5
+drop function `foo`;
+SET @@SQL_MODE='';
+create table t1 (a int);
+create table t2 (a int);
+create view v1 as select a from t1;
+show create view v1;
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select `test`.`t1`.`a` AS `a` from `test`.`t1`
+SET @@SQL_MODE='ANSI_QUOTES';
+show create view v1;
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED VIEW "test"."v1" AS select "test"."t1"."a" AS "a" from "test"."t1"
+create view v2 as select a from t2 where a in (select a from v1);
+drop view v2, v1;
+drop table t1, t2;
 SET @@SQL_MODE=@OLD_SQL_MODE;

mysql-test/r/view.result

@@ -550,7 +550,7 @@ create table t1 ("a*b" int);
 create view v1 as select "a*b" from t1;
 show create view v1;
 View	Create View
-v1	CREATE VIEW "test"."v1" AS select `test`.`t1`.`a*b` AS `a*b` from `test`.`t1`
+v1	CREATE VIEW "test"."v1" AS select "test"."t1"."a*b" AS "a*b" from "test"."t1"
 drop view v1;
 drop table t1;
 set sql_mode=default;
@@ -760,7 +760,7 @@ a	b
 1	1
 show create view v3;
 View	Create View
-v3	CREATE ALGORITHM=UNDEFINED VIEW `test`.`v3` AS select `v1`.`col1` AS `a`,`v2`.`col1` AS `b` from `test`.`v1` join `test`.`v2` where (`v1`.`col1` = `v2`.`col1`)
+v3	CREATE ALGORITHM=UNDEFINED VIEW `test`.`v3` AS select `v1`.`col1` AS `a`,`v2`.`col1` AS `b` from (`test`.`v1` join `test`.`v2`) where (`v1`.`col1` = `v2`.`col1`)
 drop view v3, v2, v1;
 drop table t2, t1;
 create function `f``1` () returns int return 5;

mysql-test/t/grant.test

@@ -470,3 +470,12 @@ use test;
 REVOKE ALL PRIVILEGES, GRANT OPTION FROM dummy@localhost;
 DROP USER dummy@localhost;
 DROP DATABASE mysqltest;
+#
+# Bug #11330: Entry in tables_priv with host = '' causes crash
+#
+connection default;
+use mysql;
+insert into tables_priv values ('','test_db','mysqltest_1','test_table','test_grantor',CURRENT_TIMESTAMP,'Select','Select');
+flush privileges;
+delete from tables_priv where host = '' and user = 'mysqltest_1';
+flush privileges;

mysql-test/t/information_schema.test

@@ -489,13 +489,14 @@ drop table t1;
 # Bug#10261  INFORMATION_SCHEMA.COLUMNS, incomplete result for non root user
 #
 
-create user mysqltest_4@localhost;
+grant select on test.* to mysqltest_4@localhost;
 connect (user4,localhost,mysqltest_4,,);
 connection user4;
 SELECT TABLE_NAME, COLUMN_NAME, PRIVILEGES FROM INFORMATION_SCHEMA.COLUMNS 
 where COLUMN_NAME='TABLE_NAME';
 connection default;
 delete from mysql.user where user='mysqltest_4';
+delete from mysql.db where user='mysqltest_4';
 flush privileges;
 
 #
@@ -516,9 +517,9 @@ grant select on mysqltest.t2 to user2@localhost;
 grant select on mysqltest.* to user3@localhost;
 grant select on *.* to user4@localhost;
 
-connect (con1,localhost,user1,,);
-connect (con2,localhost,user2,,);
-connect (con3,localhost,user3,,);
+connect (con1,localhost,user1,,mysqltest);
+connect (con2,localhost,user2,,mysqltest);
+connect (con3,localhost,user3,,mysqltest);
 connect (con4,localhost,user4,,);
 connection con1;
 select * from information_schema.column_privileges;

mysql-test/t/sp-error.test

@@ -971,3 +971,58 @@ delimiter ;|
 call SP001();
 drop procedure SP001;
 drop table t1, t2;
+
+# Bug #11394 "Recursion in SP crash server" and bug #11600 "Stored
+# procedures: crash with function calling itself".
+# We have to disable recursion since in many cases LEX and many
+# Item's can't be used in reentrant way nowdays.
+delimiter |;
+--disable_warnings
+drop function if exists bug11394|
+drop function if exists bug11394_1|
+drop function if exists bug11394_2|
+drop procedure if exists bug11394|
+--enable_warnings
+create function bug11394(i int) returns int
+begin
+  if i <= 0 then
+    return 0;
+  else
+    return (i in (100, 200, bug11394(i-1), 400));
+  end if;
+end|
+# If we allow recursive functions without additional modifications
+# this will crash server since Item for "IN" is not reenterable.
+--error 1424
+select bug11394(2)|
+drop function bug11394|
+create function bug11394_1(i int) returns int
+begin
+  if i <= 0 then
+    return 0;
+  else
+    return (select bug11394_1(i-1));
+  end if;
+end|
+# The following statement will crash because some LEX members responsible
+# for selects cannot be used in reentrant fashion.
+--error 1424
+select bug11394_1(2)|
+drop function bug11394_1|
+# Note that the following should be allowed since it does not contains
+# recursion
+create function bug11394_2(i int) returns int return i|
+select bug11394_2(bug11394_2(10))|
+drop function bug11394_2|
+create procedure bug11394(i int, j int)
+begin
+  if i > 0 then
+    call bug11394(i - 1,(select 1));
+  end if;
+end|
+# Again if we allow recursion for stored procedures (without 
+# additional efforts) the following statement will crash the server.
+--error 1424
+call bug11394(2, 1)|
+drop procedure bug11394|
+delimiter |;

mysql-test/t/sp.test

@@ -1498,54 +1498,56 @@ show procedure status like '%p%'|
 
 
 # Fibonacci, for recursion test. (Yet Another Numerical series :)
-
---disable_warnings
-drop table if exists fib|
---enable_warnings
-create table fib ( f bigint unsigned not null )|
-
-# We deliberately do it the awkward way, fetching the last two
-# values from the table, in order to exercise various statements
-# and table accesses at each turn.
---disable_warnings
-drop procedure if exists fib|
---enable_warnings
-create procedure fib(n int unsigned)
-begin
-  if n > 1 then
-    begin
-      declare x, y bigint unsigned;
-      declare c cursor for select f from fib order by f desc limit 2;
-
-      open c;
-      fetch c into y;
-      fetch c into x;
-      close c;
-      insert into fib values (x+y);
-      call fib(n-1);
-    end;
-  end if;
-end|
-
-# Minimum test: recursion of 3 levels
-
-insert into fib values (0), (1)|
-
-call fib(3)|
-
-select * from fib order by f asc|
-
-delete from fib|
-
-# Original test: 20 levels (may run into memory limits!)
-
-insert into fib values (0), (1)|
-
-call fib(20)|
-
-select * from fib order by f asc|
-drop table fib|
-drop procedure fib|
+#
+# This part of test is disabled until we implement support for
+# recursive stored procedures.
+#--disable_warnings
+#drop table if exists fib|
+#--enable_warnings
+#create table fib ( f bigint unsigned not null )|
+#
+## We deliberately do it the awkward way, fetching the last two
+## values from the table, in order to exercise various statements
+## and table accesses at each turn.
+#--disable_warnings
+#drop procedure if exists fib|
+#--enable_warnings
+#create procedure fib(n int unsigned)
+#begin
+#  if n > 1 then
+#    begin
+#      declare x, y bigint unsigned;
+#      declare c cursor for select f from fib order by f desc limit 2;
+#
+#      open c;
+#      fetch c into y;
+#      fetch c into x;
+#      close c;
+#      insert into fib values (x+y);
+#      call fib(n-1);
+#    end;
+#  end if;
+#end|
+#
+## Minimum test: recursion of 3 levels
+#
+#insert into fib values (0), (1)|
+#
+#call fib(3)|
+#
+#select * from fib order by f asc|
+#
+#delete from fib|
+#
+## Original test: 20 levels (may run into memory limits!)
+#
+#insert into fib values (0), (1)|
+#
+#call fib(20)|
+#
+#select * from fib order by f asc|
+#drop table fib|
+#drop procedure fib|
 
 
 #
@@ -2879,24 +2881,26 @@ drop table t3|
 #
 # BUG#6022: Stored procedure shutdown problem with self-calling function.
 #
---disable_warnings
-drop function if exists bug6022|
---enable_warnings
-
---disable_warnings
-drop function if exists bug6022|
---enable_warnings
-create function bug6022(x int) returns int
-begin
-  if x < 0 then
-    return 0;
-  else
-    return bug6022(x-1);
-  end if;
-end|
-
-select bug6022(5)|
-drop function bug6022|
+# This part of test is disabled until we implement support for
+# recursive stored functions.
+#--disable_warnings
+#drop function if exists bug6022|
+#--enable_warnings
+#
+#--disable_warnings
+#drop function if exists bug6022|
+#--enable_warnings
+#create function bug6022(x int) returns int
+#begin
+#  if x < 0 then
+#    return 0;
+#  else
+#    return bug6022(x-1);
+#  end if;
+#end|
+#
+#select bug6022(5)|
+#drop function bug6022|
 
 #
 # BUG#6029: Stored procedure specific handlers should have priority

mysql-test/t/sql_mode.test

@@ -189,7 +189,6 @@ SET @@SQL_MODE='';
 SELECT 'a\\b', 'a\\\"b', 'a''\\b', 'a''\\\"b';
 SELECT "a\\b", "a\\\'b", "a""\\b", "a""\\\'b";
 
-
 #
 # Bug#6877: MySQL should give an error if the requested table type 
 #           is not available
@@ -208,5 +207,37 @@ create table t1 (a int) engine=isam;
 show create table t1;
 drop table t1;
 
+#
+# Bug #6903: ANSI_QUOTES does not come into play with SHOW CREATE FUNCTION
+# or PROCEDURE because it displays the SQL_MODE used to create the routine.
+#
+SET @@SQL_MODE='';
+create function `foo` () returns int return 5;
+show create function `foo`;
+SET @@SQL_MODE='ANSI_QUOTES';
+show create function `foo`;
+drop function `foo`;
+
+create function `foo` () returns int return 5;
+show create function `foo`;
+SET @@SQL_MODE='';
+show create function `foo`;
+drop function `foo`;
+
+# 
+# Bug #6903: ANSI_QUOTES should have effect for SHOW CREATE VIEW (Bug #6903)
+#
+SET @@SQL_MODE='';
+create table t1 (a int);
+create table t2 (a int);
+create view v1 as select a from t1;
+show create view v1;
+SET @@SQL_MODE='ANSI_QUOTES';
+show create view v1;
+# Test a view with a subselect, which will get shown incorrectly without
+# thd->lex->view_prepare_mode set properly.
+create view v2 as select a from t2 where a in (select a from v1);
+drop view v2, v1;
+drop table t1, t2;
 
 SET @@SQL_MODE=@OLD_SQL_MODE;

scripts/mysql_config.sh

@@ -60,11 +60,19 @@ fix_path ()
 
 get_full_path ()
 {
-  case $1 in
-    /*)	echo "$1";;
-    ./*) tmp=`pwd`/$1; echo $tmp | sed -e 's;/\./;/;' ;;
-     *) which $1 ;;
-   esac
+  file=$1
+
+  # if the file is a symlink, try to resolve it
+  if [ -h $file ];
+  then
+    file=`ls -l $file | awk '{ print $NF }'`
+  fi
+
+  case $file in
+    /*) echo "$file";;
+    */*) tmp=`pwd`/$file; echo $tmp | sed -e 's;/\./;/;' ;;
+    *) which $file ;;
+  esac
 }
 
 me=`get_full_path $0`

sql/share/errmsg.txt

@@ -5360,3 +5360,5 @@ ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG
         eng "Explicit or implicit commit is not allowed in stored function or trigger."
 ER_NO_DEFAULT_FOR_VIEW_FIELD
         eng "Field of view '%-.64s.%-.64s' underlying table doesn't have a default value"
+ER_SP_NO_RECURSION
+        eng "Recursive stored routines are not allowed."

sql/sp_head.cc

@@ -312,7 +312,8 @@ sp_head::operator delete(void *ptr, size_t size)
 sp_head::sp_head()
   :Query_arena(&main_mem_root, INITIALIZED_FOR_SP),
    m_returns_cs(NULL), m_has_return(FALSE),
-   m_simple_case(FALSE), m_multi_results(FALSE), m_in_handler(FALSE)
+   m_simple_case(FALSE), m_multi_results(FALSE), m_in_handler(FALSE),
+   m_is_invoked(FALSE)
 {
   extern byte *
     sp_table_key(const byte *ptr, uint *plen, my_bool first);
@@ -587,6 +588,28 @@ sp_head::execute(THD *thd)
     DBUG_RETURN(-1);
   }
 
+  if (m_is_invoked)
+  {
+    /*
+      We have to disable recursion for stored routines since in
+      many cases LEX structure and many Item's can't be used in
+      reentrant way now.
+
+      TODO: We can circumvent this problem by using separate
+      sp_head instances for each recursive invocation.
+
+      NOTE: Theoretically arguments of procedure can be evaluated
+      before its invocation so there should be no problem with
+      recursion. But since we perform cleanup for CALL statement
+      as for any other statement only after its execution, its LEX
+      structure is not reusable for recursive calls. Thus we have
+      to prohibit recursion for stored procedures too.
+    */
+    my_error(ER_SP_NO_RECURSION, MYF(0));
+    DBUG_RETURN(-1);
+  }
+  m_is_invoked= TRUE;
+
   dbchanged= FALSE;
   if (m_db.length &&
       (ret= sp_use_new_db(thd, m_db.str, olddb, sizeof(olddb), 0, &dbchanged)))
@@ -710,6 +733,7 @@ sp_head::execute(THD *thd)
     if (! thd->killed)
       ret= sp_change_db(thd, olddb, 0);
   }
+  m_is_invoked= FALSE;
   DBUG_RETURN(ret);
 }
 

sql/sp_head.h

@@ -259,6 +259,9 @@ private:
   */
   HASH m_sptabs;
 
+  /* Used for tracking of routine invocations and preventing recursion. */
+  bool m_is_invoked;
+
   int
   execute(THD *thd);
 

sql/sql_acl.cc

@@ -2035,7 +2035,8 @@ GRANT_TABLE::GRANT_TABLE(TABLE *form, TABLE *col_privs)
   {
     uint key_prefix_len;
     KEY_PART_INFO *key_part= col_privs->key_info->key_part;
-    col_privs->field[0]->store(host.hostname,(uint) strlen(host.hostname),
+    col_privs->field[0]->store(host.hostname,
+                               host.hostname ? (uint) strlen(host.hostname) : 0,
                                system_charset_info);
     col_privs->field[1]->store(db,(uint) strlen(db), system_charset_info);
     col_privs->field[2]->store(user,(uint) strlen(user), system_charset_info);

sql/sql_show.cc

@@ -347,6 +347,9 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
   DBUG_PRINT("enter",("db: %s  table: %s",table_list->db,
                       table_list->table_name));
 
+  /* We want to preserve the tree for views. */
+  thd->lex->view_prepare_mode= TRUE;
+
   /* Only one table for now, but VIEW can involve several tables */
   if (open_normal_and_derived_tables(thd, table_list))
   {
@@ -1068,7 +1071,13 @@ view_store_create_info(THD *thd, TABLE_LIST *table, String *buff)
   buff->append('.');
   append_identifier(thd, buff, table->view_name.str, table->view_name.length);
   buff->append(" AS ", 4);
-  buff->append(table->query.str, table->query.length);
+
+  /*
+    We can't just use table->query, because our SQL_MODE may trigger
+    a different syntax, like when ANSI_QUOTES is defined.
+  */
+  table->view->unit.print(buff);
+
   if (table->with_check != VIEW_CHECK_NONE)
   {
     if (table->with_check == VIEW_CHECK_LOCAL)

sql/sql_table.cc

@@ -1550,14 +1550,12 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
       /* Check if table exists */
   if (create_info->options & HA_LEX_CREATE_TMP_TABLE)
   {
-    char tmp_table_name[tmp_file_prefix_length+22+22+22+3];
-    my_snprintf(tmp_table_name, sizeof(tmp_table_name), "%s%lx_%lx_%x",
-		tmp_file_prefix, current_pid, thd->thread_id,
-		thd->tmp_table++);
+    my_snprintf(path, sizeof(path), "%s%s%lx_%lx_%x%s",
+		mysql_tmpdir, tmp_file_prefix, current_pid, thd->thread_id,
+		thd->tmp_table++, reg_ext);
     if (lower_case_table_names)
-      my_casedn_str(files_charset_info, tmp_table_name);
+      my_casedn_str(files_charset_info, path);
     create_info->table_options|=HA_CREATE_DELAY_KEY_WRITE;
-    build_table_path(path, sizeof(path), db, tmp_table_name, reg_ext);
   }
   else
     build_table_path(path, sizeof(path), db, alias, reg_ext);