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Better handling of ensuring that setup_tables() are not called twice

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This fixed a bug in prepared statements when used with outher joins
Fixed a bug in SUM(DISTINCT) when used with prepared statements.
Some safety fixes in test scripts to ensure that previous test failures shouldn't affect other tests


mysql-test/r/mysqldump.result:
  Safety fix if a previous test would fail
mysql-test/r/show_check.result:
  Safety fix if a previous test would fail
mysql-test/r/sp.result:
  Fix for --ps-protocol
mysql-test/r/synchronization.result:
  Safety fix if a previous test would fail
mysql-test/r/system_mysql_db.result:
  Safety fix if a previous test would fail
mysql-test/t/mysqldump.test:
  Safety fix if a previous test would fail
mysql-test/t/select.test:
  Safety fix if a previous test would fail
mysql-test/t/show_check.test:
  Safety fix if a previous test would fail
mysql-test/t/sp.test:
  fix for --ps-protocol
mysql-test/t/strict.test:
  Fix for --ps-protocol
mysql-test/t/synchronization.test:
  Safety fix if a previous test would fail
mysql-test/t/system_mysql_db.test:
  Safety fix if a previous test would fail
sql/item_sum.cc:
  Fix bug in SUM(DISTINCT...) when using with prepared statements
sql/item_sum.h:
  Fix bug in SUM(DISTINCT...) when using with prepared statements
sql/mysql_priv.h:
  Better handling of ensuring that setup_tables() are not called twice
sql/sql_base.cc:
  Better handling of ensuring that setup_tables() are not called twice
sql/sql_insert.cc:
  Better handling of ensuring that setup_tables() are not called twice
sql/sql_parse.cc:
  Better handling of ensuring that setup_tables() are not called twice
sql/sql_prepare.cc:
  Better handling of ensuring that setup_tables() are not called twice
sql/sql_select.cc:
  Better handling of ensuring that setup_tables() are not called twice
sql/sql_union.cc:
  Better handling of ensuring that setup_tables() are not called twice
sql/sql_update.cc:
  Better handling of ensuring that setup_tables() are not called twice
sql/table.h:
  Better handling of ensuring that setup_tables() are not called twice
This commit is contained in:
unknown
2005-01-03 21:04:33 +02:00
parent 79e05c8317
commit 2bcaed348d
23 changed files with 87 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
sql/sql_select.cc
View File

@ -206,18 +206,24 @@ static void add_group_and_distinct_keys(JOIN *join, JOIN_TAB *join_tab);
This handles SELECT with and without UNION
*/
bool handle_select(THD *thd, LEX *lex, select_result *result)
bool handle_select(THD *thd, LEX *lex, select_result *result,
ulong setup_tables_done_option)
{
bool res;
register SELECT_LEX *select_lex = &lex->select_lex;
DBUG_ENTER("handle_select");
if (select_lex->next_select())
res= mysql_union(thd, lex, result, &lex->unit);
res= mysql_union(thd, lex, result, &lex->unit, setup_tables_done_option);
else
{
SELECT_LEX_UNIT *unit= &lex->unit;
unit->set_limit(unit->global_parameters, select_lex);
/*
'options' of mysql_select will be set in JOIN, as far as JOIN for
every PS/SP execution new, we will not need reset this flag if
setup_tables_done_option changed for next rexecution
*/
res= mysql_select(thd, &select_lex->ref_pointer_array,
(TABLE_LIST*) select_lex->table_list.first,
select_lex->with_wild, select_lex->item_list,
@ -228,7 +234,8 @@ bool handle_select(THD *thd, LEX *lex, select_result *result)
(ORDER*) select_lex->group_list.first,
select_lex->having,
(ORDER*) lex->proc_list.first,
select_lex->options | thd->options,
select_lex->options | thd->options |
setup_tables_done_option,
result, unit, select_lex);
}
DBUG_PRINT("info",("res: %d report_error: %d", res,
@ -311,8 +318,9 @@ JOIN::prepare(Item ***rref_pointer_array,
/* Check that all tables, fields, conds and order are ok */
if (setup_tables(thd, tables_list, &conds, &select_lex->leaf_tables,
FALSE, FALSE) ||
if ((!(select_options & OPTION_SETUP_TABLES_DONE) &&
setup_tables(thd, tables_list, &conds, &select_lex->leaf_tables,
FALSE, FALSE)) ||
setup_wild(thd, tables_list, fields_list, &all_fields, wild_num) ||
select_lex->setup_ref_array(thd, og_num) ||
setup_fields(thd, (*rref_pointer_array), tables_list, fields_list, 1,
@ -1082,7 +1090,6 @@ JOIN::reinit()
/* conds should not be used here, it is added just for safety */
if (tables_list)
{
tables_list->setup_is_done= 0;
if (setup_tables(thd, tables_list, &conds, &select_lex->leaf_tables,
TRUE, FALSE))
DBUG_RETURN(1);