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

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


sql/sql_select.cc:
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unknown
2004-08-20 14:09:50 -07:00
parent 0745a2b783 b9120c1979
commit a186bd5110
4 changed files with 78 additions and 0 deletions
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36
mysql-test/r/olap.result
View File

@ -271,3 +271,39 @@ i i COUNT(*)
100 NULL 2 100 NULL 2
NULL NULL 2 NULL NULL 2
drop table t1,t2; 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
mysql-test/t/olap.test
View File

@ -88,3 +88,40 @@ INSERT INTO t2 VALUES (100),(200);
SELECT i, COUNT(*) FROM t1 GROUP BY i WITH ROLLUP; 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; SELECT t1.i, t2.i, COUNT(*) FROM t1,t2 GROUP BY t1.i,t2.i WITH ROLLUP;
drop table t1,t2; 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
sql/item_sum.cc
View File

@ -159,7 +159,10 @@ Item *Item_sum::get_tmp_table_item(THD *thd)
if (!arg->const_item()) if (!arg->const_item())
{ {
if (arg->type() == Item::FIELD_ITEM) if (arg->type() == Item::FIELD_ITEM)
{
arg->maybe_null= result_field_tmp->maybe_null();
((Item_field*) arg)->field= result_field_tmp++; ((Item_field*) arg)->field= result_field_tmp++;
}
else else
sum_item->args[i]= new Item_field(result_field_tmp++); sum_item->args[i]= new Item_field(result_field_tmp++);
} }

2
sql/sql_select.cc
View File

@ -4997,6 +4997,8 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
blob_count++; blob_count++;
} }
((Item_sum*) item)->args[i]= new Item_field(new_field); ((Item_sum*) item)->args[i]= new Item_field(new_field);
if (((Item_sum*) item)->arg_count == 1)
((Item_sum*) item)->result_field= new_field;
} }
} }
} }