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Bug#29408 Cannot find view in columns table if the selection contains a function

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Use view db name as thread default database, in order to ensure
that the view is parsed and prepared correctly.


mysql-test/r/sp.result:
  test result
mysql-test/t/sp.test:
  test case
sql/sql_parse.cc:
  copy thd->db_length to table_list->db_length
sql/sql_view.cc:
  Use view db name as thread default database, in order to ensure
  that the view is parsed and prepared correctly.
This commit is contained in:
unknown 2007-09-03 12:22:56 +05:00
parent b25b8cbc72
commit ee0b7d895d
4 changed files with 70 additions and 1 deletions
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22
mysql-test/r/sp.result
View File

@ -6314,4 +6314,26 @@ CALL p1();
NULL
SET NAMES default;
DROP PROCEDURE p1;
create function f1()
returns int(11)
not deterministic
contains sql
sql security definer
comment ''
begin
declare x int(11);
set x=-1;
return x;
end|
create view v1 as select 1 as one, f1() as days;
show create view test.v1;
View Create View
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `test`.`v1` AS select 1 AS `one`,`f1`() AS `days`
select column_name from information_schema.columns
where table_name='v1' and table_schema='test';
column_name
one
days
drop view v1;
drop function f1;
End of 5.0 tests

33
mysql-test/t/sp.test
View File

@ -7299,4 +7299,37 @@ CALL p1();
SET NAMES default;
DROP PROCEDURE p1;
#
# Bug#29408 Cannot find view in columns table if the selection contains a function
#
delimiter |;
create function f1()
returns int(11)
not deterministic
contains sql
sql security definer
comment ''
begin
declare x int(11);
set x=-1;
return x;
end|
delimiter ;|
create view v1 as select 1 as one, f1() as days;
connect (bug29408, localhost, root,,*NO-ONE*);
connection bug29408;
show create view test.v1;
select column_name from information_schema.columns
where table_name='v1' and table_schema='test';
connection default;
disconnect bug29408;
drop view v1;
drop function f1;
--echo End of 5.0 tests

2
sql/sql_parse.cc
View File

@ -1864,7 +1864,7 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
statistic_increment(thd->status_var.com_stat[SQLCOM_SHOW_FIELDS],
&LOCK_status);
bzero((char*) &table_list,sizeof(table_list));
if (thd->copy_db_to(&table_list.db, 0))
if (thd->copy_db_to(&table_list.db, &table_list.db_length))
break;
pend= strend(packet);
thd->convert_string(&conv_name, system_charset_info,

14
sql/sql_view.cc
View File

@ -1008,8 +1008,19 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table,
table->view= lex= thd->lex= (LEX*) new(thd->mem_root) st_lex_local;
{
char old_db_buf[NAME_LEN+1];
LEX_STRING old_db= { old_db_buf, sizeof(old_db_buf) };
bool dbchanged;
Lex_input_stream lip(thd, table->query.str, table->query.length);
thd->m_lip= &lip;
/*
Use view db name as thread default database, in order to ensure
that the view is parsed and prepared correctly.
*/
if ((result= sp_use_new_db(thd, table->view_db, &old_db, 1, &dbchanged)))
goto end;
lex_start(thd);
view_select= &lex->select_lex;
view_select->select_number= ++thd->select_number;
@ -1051,6 +1062,9 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table,
thd->variables.character_set_client= save_cs;
thd->variables.sql_mode= save_mode;
if (dbchanged && mysql_change_db(thd, &old_db, TRUE))
goto err;
}
if (!res && !thd->is_fatal_error)
{