Commit 4d39221a authored by unknown's avatar unknown
Browse files

Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.0 

into sanja.is.com.ua:/home/bell/mysql/bk/work-qc-4.0
parents 306942c9 073de02c

mysql-test/r/range.result

+1 −1
Original line number Diff line number Diff line
@@ -255,7 +255,7 @@ t1 ref y y 5 const 1 Using where 
t2	range	x	x	5	NULL	2	Using where

explain select count(*) from t1 where x in (1);

table	type	possible_keys	key	key_len	ref	rows	Extra

t1	range	x	x	5	NULL	1	Using where; Using index

t1	ref	x	x	5	const	1	Using where; Using index

explain select count(*) from t1 where x in (1,2);

table	type	possible_keys	key	key_len	ref	rows	Extra

t1	range	x	x	5	NULL	2	Using where; Using index

sql/sql_select.cc

+3 −1
Original line number Diff line number Diff line
@@ -1590,12 +1590,14 @@ add_key_fields(JOIN_TAB *stat,KEY_FIELD **key_fields,uint *and_level, 
    // BETWEEN or IN

    if (cond_func->key_item()->type() == Item::FIELD_ITEM)

      add_key_field(key_fields,*and_level,

		    ((Item_field*) (cond_func->key_item()))->field, 0,

		    ((Item_field*) (cond_func->key_item()))->field,

#ifndef TO_BE_REMOVED_IN_4_1

                    /* special treatment for IN. Not necessary in 4.1 */

                    cond_func->argument_count() == 1,

                    cond_func->arguments()      + (cond_func->functype() != Item_func::IN_FUNC),

                    cond_func->argument_count() - (cond_func->functype() != Item_func::IN_FUNC),

#else

                    cond_func->argument_count() == 2,

                    cond_func->arguments()+1, cond_func->argument_count()-1,

#endif

                    usable_tables);