Commit 4bf2408e authored by gshchepa@devsrv-b.mysql.com's avatar gshchepa@devsrv-b.mysql.com
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Merge gshchepa@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

into  devsrv-b.mysql.com:/data0/gshchepa/mysql-5.0-opt
parents e6e56ccc 0133bc63
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+97 −0
Original line number Diff line number Diff line
@@ -1114,4 +1114,101 @@ c b
3	1
3	2
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a), INDEX b (b)) ENGINE=InnoDB;
INSERT INTO t1(a,b) VALUES (1,1), (2,2), (3,2);
EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
id	1
select_type	SIMPLE
table	t1
type	ref
possible_keys	b
key	b
key_len	5
ref	const
rows	1
Extra	Using where; Using index
SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
a	b
2	2
3	2
EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
id	1
select_type	SIMPLE
table	t1
type	ref
possible_keys	b
key	b
key_len	5
ref	const
rows	1
Extra	Using where; Using index
SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
a	b
3	2
2	2
EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a ASC;
id	1
select_type	SIMPLE
table	t1
type	index
possible_keys	NULL
key	b
key_len	5
ref	NULL
rows	3
Extra	Using index
SELECT * FROM t1 ORDER BY b ASC, a ASC;
a	b
1	1
2	2
3	2
EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a DESC;
id	1
select_type	SIMPLE
table	t1
type	index
possible_keys	NULL
key	b
key_len	5
ref	NULL
rows	3
Extra	Using index
SELECT * FROM t1 ORDER BY b DESC, a DESC;
a	b
3	2
2	2
1	1
EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a DESC;
id	1
select_type	SIMPLE
table	t1
type	index
possible_keys	NULL
key	b
key_len	5
ref	NULL
rows	3
Extra	Using index; Using filesort
SELECT * FROM t1 ORDER BY b ASC, a DESC;
a	b
1	1
3	2
2	2
EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a ASC;
id	1
select_type	SIMPLE
table	t1
type	index
possible_keys	NULL
key	b
key_len	5
ref	NULL
rows	3
Extra	Using index; Using filesort
SELECT * FROM t1 ORDER BY b DESC, a ASC;
a	b
2	2
3	2
1	1
DROP TABLE t1;
End of 5.0 tests
+15 −0
Original line number Diff line number Diff line
@@ -657,4 +657,19 @@ b
#
#
DROP TABLE t1;
CREATE TABLE t1 (a int, b bit(2));
INSERT INTO t1 VALUES (3, 2), (2, 3), (2, 0), (3, 2), (3, 1);
SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a;
COUNT(DISTINCT b)
2
2
DROP TABLE t1;
create table t2 (a int, b bit(2), c char(10));
INSERT INTO t2 VALUES (3, 2, 'two'), (2, 3, 'three'), (2, 0, 'zero'), 
(3, 2, 'two'), (3, 1, 'one');
SELECT COUNT(DISTINCT b,c) FROM t2 GROUP BY a;
COUNT(DISTINCT b,c)
2
2
DROP TABLE t2;
End of 5.0 tests
+23 −0
Original line number Diff line number Diff line
@@ -937,4 +937,27 @@ SELECT c,b FROM t1 GROUP BY c,b;

DROP TABLE t1;

#
# Bug #31001: ORDER BY DESC in InnoDB not working
#
CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a), INDEX b (b)) ENGINE=InnoDB;
INSERT INTO t1(a,b) VALUES (1,1), (2,2), (3,2);

#The two queries below should produce different results, but they don't.
query_vertical EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
query_vertical EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;

query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a ASC;
SELECT * FROM t1 ORDER BY b ASC, a ASC;
query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a DESC;
SELECT * FROM t1 ORDER BY b DESC, a DESC;
query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a DESC;
SELECT * FROM t1 ORDER BY b ASC, a DESC;
query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a ASC;
SELECT * FROM t1 ORDER BY b DESC, a ASC;

DROP TABLE t1;

--echo End of 5.0 tests
+14 −0
Original line number Diff line number Diff line
@@ -304,4 +304,18 @@ SELECT b FROM t1 GROUP BY b;
--disable_metadata
DROP TABLE t1;

#
# BUG#30324 Wrong query result for COUNT(DISTINCT(bit_column))
#
CREATE TABLE t1 (a int, b bit(2));
INSERT INTO t1 VALUES (3, 2), (2, 3), (2, 0), (3, 2), (3, 1);
SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a;
DROP TABLE t1;

create table t2 (a int, b bit(2), c char(10));
INSERT INTO t2 VALUES (3, 2, 'two'), (2, 3, 'three'), (2, 0, 'zero'), 
                      (3, 2, 'two'), (3, 1, 'one');
SELECT COUNT(DISTINCT b,c) FROM t2 GROUP BY a;
DROP TABLE t2;

--echo End of 5.0 tests
+17 −0
Original line number Diff line number Diff line
@@ -2464,6 +2464,23 @@ bool Item_sum_count_distinct::setup(THD *thd)
  count_field_types(select_lex, tmp_table_param, list, 0);
  tmp_table_param->force_copy_fields= force_copy_fields;
  DBUG_ASSERT(table == 0);
  /*
    Make create_tmp_table() convert BIT columns to BIGINT.
    This is needed because BIT fields store parts of their data in table's
    null bits, and we don't have methods to compare two table records, which
    is needed by Unique which is used when HEAP table is used.
  */
  {
    List_iterator_fast<Item> li(list);
    Item *item;
    while ((item= li++))
    {
      if (item->type() == Item::FIELD_ITEM &&
          ((Item_field*)item)->field->type() == FIELD_TYPE_BIT)
        item->marker=4;
    }
  }

  if (!(table= create_tmp_table(thd, tmp_table_param, list, (ORDER*) 0, 1,
				0,
				(select_lex->options | thd->options),
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