Commit 4c872f74 authored by unknown's avatar unknown
Browse files

fix for bug#14089 FROM list subquery always fails when 

                  information_schema is current database
  skip the check of I_S tables if table is derived table


mysql-test/r/information_schema.result:
  fix for bug#14089 FROM list subquery always fails when 
                    information_schema is current database
    test case
mysql-test/t/information_schema.test:
  fix for bug#14089 FROM list subquery always fails when 
                    information_schema is current database
    test case
parent ad731d38

mysql-test/r/information_schema.result

+12 −0
Original line number Diff line number Diff line
@@ -1013,3 +1013,15 @@ grant all on information_schema.* to 'user1'@'localhost'; 
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'

grant select on information_schema.* to 'user1'@'localhost';

ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'

use test;

create table t1(id int);

insert into t1(id) values (1);

select 1 from (select 1 from test.t1) a;

1

1

use information_schema;

select 1 from (select 1 from test.t1) a;

1

1

use test;

drop table t1;

mysql-test/t/information_schema.test

+12 −0
Original line number Diff line number Diff line
@@ -715,3 +715,15 @@ select ROUTINE_NAME from routines; 
grant all on information_schema.* to 'user1'@'localhost';

--error 1044

grant select on information_schema.* to 'user1'@'localhost';



#

# Bug#14089 FROM list subquery always fails when information_schema is current database

#

use test;

create table t1(id int);

insert into t1(id) values (1);

select 1 from (select 1 from test.t1) a;

use information_schema;

select 1 from (select 1 from test.t1) a;

use test;

drop table t1;

sql/sql_parse.cc

+2 −2
Original line number Diff line number Diff line
@@ -6197,7 +6197,7 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd, 
  ptr->force_index= test(table_options & TL_OPTION_FORCE_INDEX);

  ptr->ignore_leaves= test(table_options & TL_OPTION_IGNORE_LEAVES);

  ptr->derived=	    table->sel;

  if (!my_strcasecmp(system_charset_info, ptr->db,

  if (!ptr->derived && !my_strcasecmp(system_charset_info, ptr->db,

                                      information_schema_name.str))

  {

    ST_SCHEMA_TABLE *schema_table= find_schema_table(thd, ptr->table_name);