Commit a186bd51 authored by unknown's avatar unknown
Browse files

Merge ibabaev@bk-internal.mysql.com:/home/bk/mysql-4.1

into rurik.mysql.com:/home/igor/mysql-4.1


sql/sql_select.cc:
  Auto merged
parents 0745a2b7 b9120c19
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+36 −0
Original line number Diff line number Diff line
@@ -271,3 +271,39 @@ i i COUNT(*)
100	NULL	2
NULL	NULL	2
drop table t1,t2;
CREATE TABLE user_day(
user_id INT NOT NULL,
date DATE NOT NULL,
UNIQUE INDEX user_date (user_id, date)
);
INSERT INTO user_day VALUES
(1, '2004-06-06' ),
(1, '2004-06-07' ),
(2, '2004-06-06' );
SELECT
d.date AS day,
COUNT(d.user_id) as sample,
COUNT(next_day.user_id) AS not_cancelled
FROM user_day d
LEFT JOIN user_day next_day 
ON next_day.user_id=d.user_id AND 
next_day.date= DATE_ADD( d.date, interval 1 day )
GROUP BY day;
day	sample	not_cancelled
2004-06-06	2	1
2004-06-07	1	0
SELECT
d.date AS day,
COUNT(d.user_id) as sample,
COUNT(next_day.user_id) AS not_cancelled
FROM user_day d
LEFT JOIN user_day next_day 
ON next_day.user_id=d.user_id AND 
next_day.date= DATE_ADD( d.date, interval 1 day )
GROUP BY day
WITH ROLLUP;
day	sample	not_cancelled
2004-06-06	2	1
2004-06-07	1	0
NULL	3	1
DROP TABLE user_day;
+37 −0
Original line number Diff line number Diff line
@@ -88,3 +88,40 @@ INSERT INTO t2 VALUES (100),(200);
SELECT i, COUNT(*) FROM t1 GROUP BY i WITH ROLLUP;
SELECT t1.i, t2.i, COUNT(*) FROM t1,t2 GROUP BY t1.i,t2.i WITH ROLLUP;
drop table t1,t2;

#bug #4767: ROLLUP with LEFT JOIN 

CREATE TABLE user_day(
  user_id INT NOT NULL,
  date DATE NOT NULL,
  UNIQUE INDEX user_date (user_id, date)
);

INSERT INTO user_day VALUES
  (1, '2004-06-06' ),
  (1, '2004-06-07' ),
  (2, '2004-06-06' );

SELECT
       d.date AS day,
       COUNT(d.user_id) as sample,
       COUNT(next_day.user_id) AS not_cancelled
  FROM user_day d
       LEFT JOIN user_day next_day 
       ON next_day.user_id=d.user_id AND 
          next_day.date= DATE_ADD( d.date, interval 1 day )
  GROUP BY day;

SELECT
       d.date AS day,
       COUNT(d.user_id) as sample,
       COUNT(next_day.user_id) AS not_cancelled
  FROM user_day d
       LEFT JOIN user_day next_day 
       ON next_day.user_id=d.user_id AND 
          next_day.date= DATE_ADD( d.date, interval 1 day )
  GROUP BY day
    WITH ROLLUP;

DROP TABLE user_day;
+3 −0
Original line number Diff line number Diff line
@@ -159,7 +159,10 @@ Item *Item_sum::get_tmp_table_item(THD *thd)
      if (!arg->const_item())
      {
	if (arg->type() == Item::FIELD_ITEM)
        {
           arg->maybe_null= result_field_tmp->maybe_null();
	  ((Item_field*) arg)->field= result_field_tmp++;
        }
	else
	  sum_item->args[i]= new Item_field(result_field_tmp++);
      }
+2 −0
Original line number Diff line number Diff line
@@ -4997,6 +4997,8 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
	    blob_count++;
	  }
	  ((Item_sum*) item)->args[i]= new Item_field(new_field);
          if (((Item_sum*) item)->arg_count == 1)
            ((Item_sum*) item)->result_field= new_field;
	}
      }
    }