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fix for bug#14089 FROM list subquery always fails when

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information_schema is current database
  skip the check of I_S tables if table is derived table
This commit is contained in:
gluh@eagle.intranet.mysql.r18.ru 2005-10-21 13:14:54 +05:00
parent 977187eb30
commit e8d52711ad
3 changed files with 26 additions and 2 deletions
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12
mysql-test/r/information_schema.result
View file

@ -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;

12
mysql-test/t/information_schema.test
View file

@ -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;

2
sql/sql_parse.cc
View file

@ -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);