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- stackoverflow check added for view of view processing

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- fixed bug in join view processing
- postreview fixes (BUG#9398 & BUG#8703)
This commit is contained in:
bell@sanja.is.com.ua
2005-04-03 01:23:45 +03:00
parent 05c9defefa
commit e2a83fca56
4 changed files with 62 additions and 27 deletions
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45
sql/sql_base.cc
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@ -724,31 +724,34 @@ TABLE_LIST *find_table_in_list(TABLE_LIST *table,
TABLE_LIST* unique_table(TABLE_LIST *table, TABLE_LIST *table_list)
{
TABLE_LIST *res;
const char *d_name= table->db, *t_name= table->table_name;
char d_name_buff[MAX_ALIAS_NAME], t_name_buff[MAX_ALIAS_NAME];
const char *d_name, *t_name;
DBUG_ENTER("unique_table");
DBUG_PRINT("enter", ("table alias: %s", table->alias));
/* temporary table is always unique */
if (table->table && table->table->s->tmp_table != NO_TMP_TABLE)
DBUG_RETURN(0);
if (table->view)
/*
If this function called for query which update table (INSERT/UPDATE/...)
then we have in table->table pointer to TABLE object which we are
updating even if it is VIEW so we need TABLE_LIST of this TABLE object
to get right names (even if lower_case_table_names used).
If this function called for CREATE command that we have not opened table
(table->table equal to 0) and right names is in current TABLE_LIST
object.
*/
if (table->table)
{
/* it is view and table opened */
if (lower_case_table_names)
{
strmov(t_name_buff, table->table->alias);
my_casedn_str(files_charset_info, t_name_buff);
t_name= t_name_buff;
strmov(d_name_buff, table->table->s->db);
my_casedn_str(files_charset_info, d_name_buff);
d_name= d_name_buff;
}
else
{
d_name= table->table->s->db;
t_name= table->table->alias;
}
/* temporary table is always unique */
if (table->table && table->table->s->tmp_table != NO_TMP_TABLE)
DBUG_RETURN(0);
table= table->find_underlying_table(table->table);
/*
as far as we have table->table we have to find real TABLE_LIST of
it in underlying tables
*/
DBUG_ASSERT(table);
}
d_name= table->db;
t_name= table->table_name;
DBUG_PRINT("info", ("real table: %s.%s", d_name, t_name));
for(;;)