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New multi-table-update code

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New (simpler) internal timestamp handling.
More debuging to heap tables.
Small cleanups to multi-table-delete
false -> 0 and true -> 1  (We should use TRUE and FALSE)
This commit is contained in:
monty@mashka.mysql.fi
2002-11-29 16:40:18 +02:00
parent fa7798596d
commit 6603d75213
29 changed files with 776 additions and 636 deletions
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19
sql/sql_union.cc
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@@ -33,7 +33,7 @@ int mysql_union(THD *thd, LEX *lex,select_result *result)
TABLE *table;
int describe=(lex->select_lex.options & SELECT_DESCRIBE) ? 1 : 0;
int res;
bool found_rows_for_union=false;
bool found_rows_for_union= 0;
TABLE_LIST result_table_list;
TABLE_LIST *first_table=(TABLE_LIST *)lex->select_lex.table_list.first;
TMP_TABLE_PARAM tmp_table_param;
@@ -53,7 +53,7 @@ int mysql_union(THD *thd, LEX *lex,select_result *result)
if (cursor->do_redirect) // False if CUBE/ROLLUP
{
cursor->table= ((TABLE_LIST*) cursor->table)->table;
cursor->do_redirect=false;
cursor->do_redirect= 0;
}
}
}
@@ -138,7 +138,7 @@ int mysql_union(THD *thd, LEX *lex,select_result *result)
res= -1;
goto exit;
}
union_result->save_time_stamp=!describe;
union_result->not_describe= !describe;
union_result->tmp_table_param=&tmp_table_param;
for (sl= &lex->select_lex; sl; sl=sl->next)
{
@@ -150,14 +150,17 @@ int mysql_union(THD *thd, LEX *lex,select_result *result)
if (thd->select_limit == HA_POS_ERROR)
sl->options&= ~OPTION_FOUND_ROWS;
res=mysql_select(thd, (describe && sl->linkage==NOT_A_SELECT) ? first_table : (TABLE_LIST*) sl->table_list.first,
res=mysql_select(thd, (describe && sl->linkage==NOT_A_SELECT) ?
first_table : (TABLE_LIST*) sl->table_list.first,
sl->item_list,
sl->where,
(sl->braces) ? (ORDER *)sl->order_list.first : (ORDER *) 0,
(sl->braces) ? (ORDER *)sl->order_list.first :
(ORDER *) 0,
(ORDER*) sl->group_list.first,
sl->having,
(ORDER*) NULL,
sl->options | thd->options | SELECT_NO_UNLOCK | ((describe) ? SELECT_DESCRIBE : 0),
sl->options | thd->options | SELECT_NO_UNLOCK |
((describe) ? SELECT_DESCRIBE : 0),
union_result);
if (res)
goto exit;
@@ -226,7 +229,7 @@ exit:
***************************************************************************/
select_union::select_union(TABLE *table_par)
:table(table_par)
:table(table_par), not_describe(0)
{
bzero((char*) &info,sizeof(info));
/*
@@ -243,7 +246,7 @@ select_union::~select_union()
int select_union::prepare(List<Item> &list)
{
if (save_time_stamp && list.elements != table->fields)
if (not_describe && list.elements != table->fields)
{
my_message(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT,
ER(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT),MYF(0));