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Fix for bug#18224 VIEW on information_schema crashes the server

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additional check for subselect


mysql-test/r/information_schema.result:
  Fix for bug#18224 VIEW on information_schema crashes the server
    test case
mysql-test/t/information_schema.test:
  Fix for bug#18224 VIEW on information_schema crashes the server
    test case
This commit is contained in:
unknown 2006-03-20 14:17:47 +04:00
parent ce39d29493
commit 53862e6060
3 changed files with 14 additions and 1 deletions
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7
mysql-test/r/information_schema.result
View File

@ -281,6 +281,13 @@ sub1 sub1
select count(*) from information_schema.ROUTINES;
count(*)
2
create view v1 as select routine_schema, routine_name from information_schema.routines
order by routine_schema, routine_name;
select * from v1;
routine_schema routine_name
test sel2
test sub1
drop view v1;
select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;
ROUTINE_NAME ROUTINE_DEFINITION
show create function sub1;

5
mysql-test/t/information_schema.test
View File

@ -142,6 +142,11 @@ select a.ROUTINE_NAME, b.name from information_schema.ROUTINES a,
mysql.proc b where a.ROUTINE_NAME = convert(b.name using utf8) order by 1;
select count(*) from information_schema.ROUTINES;
create view v1 as select routine_schema, routine_name from information_schema.routines
order by routine_schema, routine_name;
select * from v1;
drop view v1;
connect (user1,localhost,mysqltest_1,,);
connection user1;
select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;

3
sql/sql_show.cc
View File

@ -3864,7 +3864,8 @@ bool get_schema_tables_result(JOIN *join)
TABLE_LIST *table_list= tab->table->pos_in_table_list;
if (table_list->schema_table && thd->fill_derived_tables())
{
bool is_subselect= (&lex->unit != lex->current_select->master_unit());
bool is_subselect= (&lex->unit != lex->current_select->master_unit() &&
lex->current_select->master_unit()->item);
/*
The schema table is already processed and
the statement is not a subselect.