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- stackoverflow check added for view of view processing

Browse Source 
- 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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33
sql/table.cc
View File

@ -1716,7 +1716,7 @@ void st_table_list::restore_want_privilege()
check_opt_type - WHITH CHECK OPTION type (VIEW_CHECK_NONE,
VIEW_CHECK_LOCAL, VIEW_CHECK_CASCADED)
NOTES
ancestor is list of tables and views used by view
ancestor is list of tables and views used by view (underlying tables/views)
DESCRIPTION
It is:
@ -1750,6 +1750,9 @@ bool st_table_list::setup_ancestor(THD *thd, Item **conds,
bool res= FALSE;
DBUG_ENTER("st_table_list::setup_ancestor");
if (check_stack_overrun(thd, (char *)&res))
return TRUE;
for (tbl= ancestor; tbl; tbl= tbl->next_local)
{
if (tbl->ancestor &&
@ -1986,6 +1989,34 @@ ok:
}
/*
Find underlying base tables (TABLE_LIST) which represent given
table_to_find (TABLE)
SYNOPSIS
st_table_list::find_underlying_table()
table_to_find table to find
RETURN
0 table is not found
found table reference
*/
st_table_list *st_table_list::find_underlying_table(TABLE *table_to_find)
{
/* is this real table and table which we are looking for? */
if (table == table_to_find && ancestor == 0)
return this;
for (TABLE_LIST *tbl= ancestor; tbl; tbl= tbl->next_local)
{
TABLE_LIST *result;
if ((result= tbl->find_underlying_table(table_to_find)))
return result;
}
return 0;
}
/*
cleunup items belonged to view fields translation table