mariadb/mysql-test/t/olap.test

--disable_warnings
drop table if exists t1,t2;
--enable_warnings

create table t1 (product varchar(32), country_id int not null, year int, profit int);
insert into t1  values ( 'Computer', 2,2000, 1200),
( 'TV', 1, 1999, 150),
( 'Calculator', 1, 1999,50),
( 'Computer', 1, 1999,1500),
( 'Computer', 1, 2000,1500),
( 'TV', 1, 2000, 150),
( 'TV', 2, 2000, 100),
( 'TV', 2, 2000, 100),
( 'Calculator', 1, 2000,75),
( 'Calculator', 2, 2000,75),
( 'TV', 1, 1999, 100),
( 'Computer', 1, 1999,1200),
( 'Computer', 2, 2000,1500),
( 'Calculator', 2, 2000,75),
( 'Phone', 3, 2003,10)
;

create table t2 (country_id int primary key, country char(20) not null);
insert into t2 values (1, 'USA'),(2,'India'), (3,'Finland');

# First simple rollups, with just grand total
select product, sum(profit) from t1 group by product;
select product, sum(profit) from t1 group by product with rollup;
select product, sum(profit) from t1 group by 1 with rollup;
select product, sum(profit),avg(profit) from t1 group by product with rollup;

# Sub totals
select product, country_id , year, sum(profit) from t1 group by product, country_id, year;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
explain extended select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
select product, country_id , sum(profit) from t1 group by product desc, country_id with rollup;

# limit
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup limit 5;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup limit 3,3;

select product, country_id, count(*), count(distinct year) from t1 group by product, country_id;
select product, country_id, count(*), count(distinct year) from t1 group by product, country_id with rollup;

# Test of having
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having country_id = 1;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having sum(profit) > 200;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having sum(profit) > 7000;

# Functions
select concat(product,':',country_id) as 'prod', concat(":",year,":") as 'year',1+1, sum(profit)/count(*) from t1 group by 1,2 with rollup;
select product, sum(profit)/count(*) from t1 group by product with rollup;
select left(product,4) as prod, sum(profit)/count(*) from t1 group by prod with rollup;
select concat(product,':',country_id), 1+1, sum(profit)/count(*) from t1 group by concat(product,':',country_id) with rollup;

# Joins
select product, country , year, sum(profit) from t1,t2 where t1.country_id=t2.country_id group by product, country, year with rollup;

# Derived tables and sub selects
select product, `sum` from (select product, sum(profit) as 'sum' from t1 group by product with rollup) as tmp where product is null;
select product from t1 where exists (select product, country_id , sum(profit) from t1 as t2 where t1.product=t2.product group by product, country_id with rollup having sum(profit) > 6000);

# The following doesn't return the expected answer, but this is a limitation
# in the implementation so we should just document it
select product, country_id , year, sum(profit) from t1 group by product, country_id, year having country_id is NULL;
select concat(':',product,':'), sum(profit),avg(profit) from t1 group by product with rollup;

# Error handling

# Cube is not yet implemented
--error 1235
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with cube;
--error 1235
explain select product, country_id , year, sum(profit) from t1 group by product, country_id, year with cube;
--error 1235
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with cube union all select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;

drop table t1,t2;

#
# Test bug with const tables
#

CREATE TABLE t1 (i int);
INSERT INTO t1 VALUES(100);
CREATE TABLE t2 (i int);
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;