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Bug#27499 DROP TABLE race with SHOW TABLE STATUS

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They can drop table after table names list creation and before table opening.
We open non existing table and get ER_NO_SUCH_TABLE error.
In this case we do not store the record into I_S table and clear error.
This commit is contained in:
gluh@mysql.com/eagle.(none) 2007-04-19 16:49:21 +05:00
parent 6ad81b4e13
commit 16223f0d75
1 changed files with 25 additions and 11 deletions
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14
sql/sql_show.cc
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@ -2314,6 +2314,19 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
res= open_normal_and_derived_tables(thd, show_table_list,
MYSQL_LOCK_IGNORE_FLUSH);
lex->sql_command= save_sql_command;
/*
They can drop table after table names list creation and
before table opening. We open non existing table and
get ER_NO_SUCH_TABLE error. In this case we do not store
the record into I_S table and clear error.
*/
if (thd->net.last_errno == ER_NO_SUCH_TABLE)
{
res= 0;
thd->clear_error();
}
else
{
/*
We should use show_table_list->alias instead of
show_table_list->table_name because table_name
@ -2326,6 +2339,7 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
show_table_list->alias);
close_tables_for_reopen(thd, &show_table_list);
DBUG_ASSERT(!lex->query_tables_own_last);
}
if (res)
goto err;
}