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Merge bk-internal:/home/bk/mysql-5.0

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into  mysql.com:/home/jimw/my/mysql-5.0-clean
This commit is contained in:
jimw@mysql.com
2005-07-19 19:59:32 -07:00
parent ef1d27e02a 63c6ece728
commit 2a06e5756e
21 changed files with 321 additions and 249 deletions
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12
sql/sql_select.cc
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@ -1207,14 +1207,18 @@ JOIN::exec()
else
{
error= (int) result->send_eof();
send_records=1;
send_records= ((select_options & OPTION_FOUND_ROWS) ? 1 :
thd->sent_row_count);
}
}
else
{
error=(int) result->send_eof();
send_records= 0;
}
}
/* Single select (without union and limit) always returns 1 row */
thd->limit_found_rows= 1;
/* Single select (without union) always returns 0 or 1 row */
thd->limit_found_rows= send_records;
thd->examined_row_count= 0;
DBUG_VOID_RETURN;
}
@ -5200,6 +5204,7 @@ static void add_not_null_conds(JOIN *join)
if (tab->ref.null_rejecting & (1 << keypart))
{
Item *item= tab->ref.items[keypart];
Item *notnull;
DBUG_ASSERT(item->type() == Item::FIELD_ITEM);
Item_field *not_null_item= (Item_field*)item;
JOIN_TAB *referred_tab= not_null_item->field->table->reginfo.join_tab;
@ -5210,7 +5215,6 @@ static void add_not_null_conds(JOIN *join)
*/
if (!referred_tab || referred_tab->join != join)
continue;
Item *notnull;
if (!(notnull= new Item_func_isnotnull(not_null_item)))
DBUG_VOID_RETURN;
/*