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Bug #48985: show create table crashes if previous access to the table was killed

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When checking for an error after removing the special view error handler the code
was not taking into account that open_tables() may fail because of the current
statement being killed. 
Added a check for thd->killed.
Added a client program to test it.
This commit is contained in:
Georgi Kodinov 2009-12-03 14:07:46 +02:00
commit 1457d7b367
3 changed files with 29 additions and 1 deletions
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2
sql/sql_show.cc
View file

@ -719,7 +719,7 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
thd->push_internal_handler(&view_error_suppressor);
bool error= open_normal_and_derived_tables(thd, table_list, 0);
thd->pop_internal_handler();
if (error && thd->main_da.is_error())
if (error && (thd->killed || thd->main_da.is_error()))
DBUG_RETURN(TRUE);
}