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fixed mechanism of detection selection from table wich we update

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(BUG##9398, BUG#8703)
fixed wrong join view detection in multi-delete which lead to server crash
This commit is contained in:
bell@sanja.is.com.ua
2005-03-28 15:13:31 +03:00
parent eeeedd31b9
commit 1659dacab1
15 changed files with 561 additions and 165 deletions
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9
sql/sql_select.cc
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@ -316,6 +316,13 @@ JOIN::prepare(Item ***rref_pointer_array,
join_list= &select_lex->top_join_list;
union_part= (unit_arg->first_select()->next_select() != 0);
/*
If we have already executed SELECT, then it have not sense to prevent
its table from update (see unique_table())
*/
if (thd->derived_tables_processing)
select_lex->exclude_from_table_unique_test= TRUE;
/* Check that all tables, fields, conds and order are ok */
if ((!(select_options & OPTION_SETUP_TABLES_DONE) &&
@ -1157,7 +1164,7 @@ JOIN::exec()
{
int tmp_error;
DBUG_ENTER("JOIN::exec");
error= 0;
if (procedure)
{