Edit File: olap.result
drop table if exists t1,t2; set @sav_dpi= @@div_precision_increment; set div_precision_increment= 5; show variables like 'div_precision_increment'; Variable_name Value div_precision_increment 5 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'); select product, sum(profit) from t1 group by product; product sum(profit) Calculator 275 Computer 6900 Phone 10 TV 600 select product, sum(profit) from t1 group by product with rollup; product sum(profit) Calculator 275 Computer 6900 Phone 10 TV 600 NULL 7785 select product, sum(profit) from t1 group by 1 with rollup; product sum(profit) Calculator 275 Computer 6900 Phone 10 TV 600 NULL 7785 select product, sum(profit),avg(profit) from t1 group by product with rollup; product sum(profit) avg(profit) Calculator 275 68.75000 Computer 6900 1380.00000 Phone 10 10.00000 TV 600 120.00000 NULL 7785 519.00000 select product, country_id , year, sum(profit) from t1 group by product, country_id, year; product country_id year sum(profit) Calculator 1 1999 50 Calculator 1 2000 75 Calculator 2 2000 150 Computer 1 1999 2700 Computer 1 2000 1500 Computer 2 2000 2700 Phone 3 2003 10 TV 1 1999 250 TV 1 2000 150 TV 2 2000 200 select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup; product country_id year sum(profit) Calculator 1 1999 50 Calculator 1 2000 75 Calculator 1 NULL 125 Calculator 2 2000 150 Calculator 2 NULL 150 Calculator NULL NULL 275 Computer 1 1999 2700 Computer 1 2000 1500 Computer 1 NULL 4200 Computer 2 2000 2700 Computer 2 NULL 2700 Computer NULL NULL 6900 Phone 3 2003 10 Phone 3 NULL 10 Phone NULL NULL 10 TV 1 1999 250 TV 1 2000 150 TV 1 NULL 400 TV 2 2000 200 TV 2 NULL 200 TV NULL NULL 600 NULL NULL NULL 7785 explain extended select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 15 100.00 Using filesort Warnings: Note 1003 select `test`.`t1`.`product` AS `product`,`test`.`t1`.`country_id` AS `country_id`,`test`.`t1`.`year` AS `year`,sum(`test`.`t1`.`profit`) AS `sum(profit)` from `test`.`t1` group by `test`.`t1`.`product`,`test`.`t1`.`country_id`,`test`.`t1`.`year` with rollup select product, country_id , sum(profit) from t1 group by product desc, country_id with rollup; product country_id sum(profit) TV 1 400 TV 2 200 TV NULL 600 Phone 3 10 Phone NULL 10 Computer 1 4200 Computer 2 2700 Computer NULL 6900 Calculator 1 125 Calculator 2 150 Calculator NULL 275 NULL NULL 7785 select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup limit 5; product country_id year sum(profit) Calculator 1 1999 50 Calculator 1 2000 75 Calculator 1 NULL 125 Calculator 2 2000 150 Calculator 2 NULL 150 select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup limit 3,3; product country_id year sum(profit) Calculator 2 2000 150 Calculator 2 NULL 150 Calculator NULL NULL 275 select product, country_id, count(*), count(distinct year) from t1 group by product, country_id; product country_id count(*) count(distinct year) Calculator 1 2 2 Calculator 2 2 1 Computer 1 3 2 Computer 2 2 1 Phone 3 1 1 TV 1 3 2 TV 2 2 1 select product, country_id, count(*), count(distinct year) from t1 group by product, country_id with rollup; product country_id count(*) count(distinct year) Calculator 1 2 2 Calculator 2 2 1 Calculator NULL 4 2 Computer 1 3 2 Computer 2 2 1 Computer NULL 5 2 Phone 3 1 1 Phone NULL 1 1 TV 1 3 2 TV 2 2 1 TV NULL 5 2 NULL NULL 15 3 select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having country_id = 1; product country_id year sum(profit) Calculator 1 1999 50 Calculator 1 2000 75 Calculator 1 NULL 125 Computer 1 1999 2700 Computer 1 2000 1500 Computer 1 NULL 4200 TV 1 1999 250 TV 1 2000 150 TV 1 NULL 400 select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having sum(profit) > 200; product country_id year sum(profit) Calculator NULL NULL 275 Computer 1 1999 2700 Computer 1 2000 1500 Computer 1 NULL 4200 Computer 2 2000 2700 Computer 2 NULL 2700 Computer NULL NULL 6900 TV 1 1999 250 TV 1 NULL 400 TV NULL NULL 600 NULL NULL NULL 7785 select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup having sum(profit) > 7000; product country_id year sum(profit) NULL NULL NULL 7785 select concat(product,':',country_id) as 'prod', concat(":",year,":") as 'year',1+1, sum(profit)/count(*) from t1 group by 1,2 with rollup; prod year 1+1 sum(profit)/count(*) Calculator:1 :1999: 2 50.00000 Calculator:1 :2000: 2 75.00000 Calculator:1 NULL 2 62.50000 Calculator:2 :2000: 2 75.00000 Calculator:2 NULL 2 75.00000 Computer:1 :1999: 2 1350.00000 Computer:1 :2000: 2 1500.00000 Computer:1 NULL 2 1400.00000 Computer:2 :2000: 2 1350.00000 Computer:2 NULL 2 1350.00000 Phone:3 :2003: 2 10.00000 Phone:3 NULL 2 10.00000 TV:1 :1999: 2 125.00000 TV:1 :2000: 2 150.00000 TV:1 NULL 2 133.33333 TV:2 :2000: 2 100.00000 TV:2 NULL 2 100.00000 NULL NULL 2 519.00000 select product, sum(profit)/count(*) from t1 group by product with rollup; product sum(profit)/count(*) Calculator 68.75000 Computer 1380.00000 Phone 10.00000 TV 120.00000 NULL 519.00000 select left(product,4) as prod, sum(profit)/count(*) from t1 group by prod with rollup; prod sum(profit)/count(*) Calc 68.75000 Comp 1380.00000 Phon 10.00000 TV 120.00000 NULL 519.00000 select concat(product,':',country_id), 1+1, sum(profit)/count(*) from t1 group by concat(product,':',country_id) with rollup; concat(product,':',country_id) 1+1 sum(profit)/count(*) Calculator:1 2 62.50000 Calculator:2 2 75.00000 Computer:1 2 1400.00000 Computer:2 2 1350.00000 Phone:3 2 10.00000 TV:1 2 133.33333 TV:2 2 100.00000 NULL 2 519.00000 select product, country , year, sum(profit) from t1,t2 where t1.country_id=t2.country_id group by product, country, year with rollup; product country year sum(profit) Calculator India 2000 150 Calculator India NULL 150 Calculator USA 1999 50 Calculator USA 2000 75 Calculator USA NULL 125 Calculator NULL NULL 275 Computer India 2000 2700 Computer India NULL 2700 Computer USA 1999 2700 Computer USA 2000 1500 Computer USA NULL 4200 Computer NULL NULL 6900 Phone Finland 2003 10 Phone Finland NULL 10 Phone NULL NULL 10 TV India 2000 200 TV India NULL 200 TV USA 1999 250 TV USA 2000 150 TV USA NULL 400 TV NULL NULL 600 NULL NULL NULL 7785 select product, `sum` from (select product, sum(profit) as 'sum' from t1 group by product with rollup) as tmp where product is null; product sum NULL 7785 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); product Computer Computer Computer Computer Computer select product, country_id , year, sum(profit) from t1 group by product, country_id, year having country_id is NULL; product country_id year sum(profit) select concat(':',product,':'), sum(profit),avg(profit) from t1 group by product with rollup; concat(':',product,':') sum(profit) avg(profit) :Calculator: 275 68.75000 :Computer: 6900 1380.00000 :Phone: 10 10.00000 :TV: 600 120.00000 NULL 7785 519.00000 select product, country_id , year, sum(profit) from t1 group by product, country_id, year with cube; ERROR 42000: This version of MySQL doesn't yet support 'CUBE' explain select product, country_id , year, sum(profit) from t1 group by product, country_id, year with cube; ERROR 42000: This version of MySQL doesn't yet support 'CUBE' 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; ERROR 42000: This version of MySQL doesn't yet support 'CUBE' drop table t1,t2; 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; i COUNT(*) 100 1 NULL 1 SELECT t1.i, t2.i, COUNT(*) FROM t1,t2 GROUP BY t1.i,t2.i WITH ROLLUP; i i COUNT(*) 100 100 1 100 200 1 100 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; CREATE TABLE t1 (a int, b int); INSERT INTO t1 VALUES (1,4), (2,2), (2,2), (4,1), (4,1), (4,1), (4,1), (2,1), (2,1); SELECT SUM(b) FROM t1 GROUP BY a WITH ROLLUP; SUM(b) 4 6 4 14 SELECT DISTINCT SUM(b) FROM t1 GROUP BY a WITH ROLLUP; SUM(b) 4 6 14 SELECT SUM(b), COUNT(DISTINCT b) FROM t1 GROUP BY a WITH ROLLUP; SUM(b) COUNT(DISTINCT b) 4 1 6 2 4 1 14 3 SELECT DISTINCT SUM(b), COUNT(DISTINCT b) FROM t1 GROUP BY a WITH ROLLUP; SUM(b) COUNT(DISTINCT b) 4 1 6 2 14 3 SELECT SUM(b), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP; SUM(b) COUNT(*) 4 1 6 4 4 4 14 9 SELECT DISTINCT SUM(b), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP; SUM(b) COUNT(*) 4 1 6 4 4 4 14 9 SELECT SUM(b), COUNT(DISTINCT b), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP; SUM(b) COUNT(DISTINCT b) COUNT(*) 4 1 1 6 2 4 4 1 4 14 3 9 SELECT DISTINCT SUM(b), COUNT(DISTINCT b), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP; SUM(b) COUNT(DISTINCT b) COUNT(*) 4 1 1 6 2 4 4 1 4 14 3 9 SELECT a, sum(b) FROM t1 GROUP BY a,b WITH ROLLUP; a sum(b) 1 4 1 4 2 2 2 4 2 6 4 4 4 4 NULL 14 SELECT DISTINCT a, sum(b) FROM t1 GROUP BY a,b WITH ROLLUP; a sum(b) 1 4 2 2 2 4 2 6 4 4 NULL 14 SELECT b, a, sum(b) FROM t1 GROUP BY a,b WITH ROLLUP; b a sum(b) 4 1 4 NULL 1 4 1 2 2 2 2 4 NULL 2 6 1 4 4 NULL 4 4 NULL NULL 14 SELECT DISTINCT b,a, sum(b) FROM t1 GROUP BY a,b WITH ROLLUP; b a sum(b) 4 1 4 NULL 1 4 1 2 2 2 2 4 NULL 2 6 1 4 4 NULL 4 4 NULL NULL 14 ALTER TABLE t1 ADD COLUMN c INT; SELECT a,b,sum(c) FROM t1 GROUP BY a,b,c WITH ROLLUP; a b sum(c) 1 4 NULL 1 4 NULL 1 NULL NULL 2 1 NULL 2 1 NULL 2 2 NULL 2 2 NULL 2 NULL NULL 4 1 NULL 4 1 NULL 4 NULL NULL NULL NULL NULL SELECT distinct a,b,sum(c) FROM t1 GROUP BY a,b,c WITH ROLLUP; a b sum(c) 1 4 NULL 1 NULL NULL 2 1 NULL 2 2 NULL 2 NULL NULL 4 1 NULL 4 NULL NULL NULL NULL NULL DROP TABLE t1; CREATE TABLE t1 (a int, b int); INSERT INTO t1 VALUES (1,4), (2,2), (2,2), (4,1), (4,1), (4,1), (4,1), (2,1), (2,1); SELECT a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1; a SUM(b) 1 4 SELECT SQL_CALC_FOUND_ROWS a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1; a SUM(b) 1 4 DROP TABLE t1; CREATE TABLE t1 (a int(11) NOT NULL); INSERT INTO t1 VALUES (1),(2); SELECT a, SUM(a) m FROM t1 GROUP BY a WITH ROLLUP; a m 1 1 2 2 NULL 3 SELECT * FROM ( SELECT a, SUM(a) m FROM t1 GROUP BY a WITH ROLLUP ) t2; a m 1 1 2 2 NULL 3 DROP TABLE t1; set div_precision_increment= @sav_dpi; CREATE TABLE t1 (a int(11)); INSERT INTO t1 VALUES (1),(2); SELECT a, SUM(a), SUM(a)+1 FROM (SELECT a FROM t1 UNION select 2) d GROUP BY a; a SUM(a) SUM(a)+1 1 1 2 2 2 3 SELECT a, SUM(a), SUM(a)+1 FROM (SELECT a FROM t1 UNION select 2) d GROUP BY a WITH ROLLUP; a SUM(a) SUM(a)+1 1 1 2 2 2 3 NULL 3 4 SELECT a, SUM(a), SUM(a)+1 FROM (SELECT 1 a UNION select 2) d GROUP BY a; a SUM(a) SUM(a)+1 1 1 2 2 2 3 SELECT a, SUM(a), SUM(a)+1 FROM (SELECT 1 a UNION select 2) d GROUP BY a WITH ROLLUP; a SUM(a) SUM(a)+1 1 1 2 2 2 3 NULL 3 4 SELECT a, SUM(a), SUM(a)+1, CONCAT(SUM(a),'x'), SUM(a)+SUM(a), SUM(a) FROM (SELECT 1 a, 2 b UNION SELECT 2,3 UNION SELECT 5,6 ) d GROUP BY a WITH ROLLUP; a SUM(a) SUM(a)+1 CONCAT(SUM(a),'x') SUM(a)+SUM(a) SUM(a) 1 1 2 1x 2 1 2 2 3 2x 4 2 5 5 6 5x 10 5 NULL 8 9 8x 16 8 DROP TABLE t1; CREATE TABLE t1 (a int(11)); INSERT INTO t1 VALUES (1),(2); SELECT a, a+1, SUM(a) FROM t1 GROUP BY a WITH ROLLUP; a a+1 SUM(a) 1 2 1 2 3 2 NULL NULL 3 SELECT a+1 FROM t1 GROUP BY a WITH ROLLUP; a+1 2 3 NULL SELECT a+SUM(a) FROM t1 GROUP BY a WITH ROLLUP; a+SUM(a) 2 4 NULL SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING b > 2; a b 2 3 SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NULL; a b NULL NULL SELECT a, a+1 as b FROM t1 GROUP BY a WITH ROLLUP HAVING b IS NULL; a b NULL NULL SELECT IFNULL(a, 'TEST') FROM t1 GROUP BY a WITH ROLLUP; IFNULL(a, 'TEST') 1 2 TEST CREATE TABLE t2 (a int, b int); INSERT INTO t2 VALUES (1,4), (2,2), (2,2), (4,1), (4,1), (4,1), (4,1), (2,1), (2,1); SELECT a,b,SUM(b) FROM t2 GROUP BY a,b WITH ROLLUP; a b SUM(b) 1 4 4 1 NULL 4 2 1 2 2 2 4 2 NULL 6 4 1 4 4 NULL 4 NULL NULL 14 SELECT a,b,SUM(b), a+b as c FROM t2 GROUP BY a,b WITH ROLLUP HAVING c IS NULL; a b SUM(b) c 1 NULL 4 NULL 2 NULL 6 NULL 4 NULL 4 NULL NULL NULL 14 NULL SELECT IFNULL(a, 'TEST'), COALESCE(b, 'TEST') FROM t2 GROUP BY a, b WITH ROLLUP; IFNULL(a, 'TEST') COALESCE(b, 'TEST') 1 4 1 TEST 2 1 2 2 2 TEST 4 1 4 TEST TEST TEST DROP TABLE t1,t2; CREATE TABLE t1 (a INT(10) NOT NULL, b INT(10) NOT NULL); INSERT INTO t1 VALUES (1, 1); INSERT INTO t1 VALUES (1, 2); SELECT a, b, a AS c, COUNT(*) AS count FROM t1 GROUP BY a, b, c WITH ROLLUP; a b c count 1 1 1 1 1 1 NULL 1 1 2 1 1 1 2 NULL 1 1 NULL NULL 2 NULL NULL NULL 2 DROP TABLE t1; CREATE TABLE t1 (a int(11) NOT NULL); INSERT INTO t1 VALUES (1),(2); SELECT * FROM (SELECT a, a + 1, COUNT(*) FROM t1 GROUP BY a WITH ROLLUP) t; a a + 1 COUNT(*) 1 2 1 2 3 1 NULL NULL 2 SELECT * FROM (SELECT a, LENGTH(a), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP) t; a LENGTH(a) COUNT(*) 1 1 1 2 1 1 NULL NULL 2 DROP TABLE t1; create table t1 ( a varchar(9), b int ); insert into t1 values('a',1),(null,2); select a, max(b) from t1 group by a with rollup; a max(b) NULL 2 a 1 NULL 2 select distinct a, max(b) from t1 group by a with rollup; a max(b) NULL 2 a 1 drop table t1; create table t1 (a varchar(22) not null , b int); insert into t1 values ("2006-07-01 21:30", 1), ("2006-07-01 23:30", 10); select left(a,10), a, sum(b) from t1 group by 1,2 with rollup; left(a,10) a sum(b) 2006-07-01 2006-07-01 21:30 1 2006-07-01 2006-07-01 23:30 10 2006-07-01 NULL 11 NULL NULL 11 select left(a,10) x, a, sum(b) from t1 group by x,a with rollup; x a sum(b) 2006-07-01 2006-07-01 21:30 1 2006-07-01 2006-07-01 23:30 10 2006-07-01 NULL 11 NULL NULL 11 drop table t1; CREATE TABLE t1 (a int, b int); INSERT INTO t1 VALUES (2,10),(3,30),(2,40),(1,10),(2,30),(1,20),(2,10); SELECT a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP; a SUM(b) 1 30 2 90 3 30 NULL 150 SELECT DISTINCT a, SUM(b) FROM t1 GROUP BY a WITH ROLLUP; a SUM(b) 1 30 2 90 3 30 NULL 150 SELECT a, b, COUNT(*) FROM t1 GROUP BY a,b WITH ROLLUP; a b COUNT(*) 1 10 1 1 20 1 1 NULL 2 2 10 2 2 30 1 2 40 1 2 NULL 4 3 30 1 3 NULL 1 NULL NULL 7 SELECT DISTINCT a, b, COUNT(*) FROM t1 GROUP BY a,b WITH ROLLUP; a b COUNT(*) 1 10 1 1 20 1 1 NULL 2 2 10 2 2 30 1 2 40 1 2 NULL 4 3 30 1 3 NULL 1 NULL NULL 7 SELECT 'x', a, SUM(b) FROM t1 GROUP BY 1,2 WITH ROLLUP; x a SUM(b) x 1 30 x 2 90 x 3 30 x NULL 150 NULL NULL 150 SELECT DISTINCT 'x', a, SUM(b) FROM t1 GROUP BY 1,2 WITH ROLLUP; x a SUM(b) x 1 30 x 2 90 x 3 30 x NULL 150 NULL NULL 150 SELECT DISTINCT 'x', a, SUM(b) FROM t1 GROUP BY 1,2 WITH ROLLUP; x a SUM(b) x 1 30 x 2 90 x 3 30 x NULL 150 NULL NULL 150 DROP TABLE t1; CREATE TABLE t1(id int, type char(1)); INSERT INTO t1 VALUES (1,"A"),(2,"C"),(3,"A"),(4,"A"),(5,"B"), (6,"B"),(7,"A"),(8,"C"),(9,"A"),(10,"C"); CREATE VIEW v1 AS SELECT * FROM t1; SELECT type FROM t1 GROUP BY type WITH ROLLUP; type A B C NULL SELECT type FROM v1 GROUP BY type WITH ROLLUP; type A B C NULL EXPLAIN SELECT type FROM v1 GROUP BY type WITH ROLLUP; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using filesort DROP VIEW v1; DROP TABLE t1; CREATE TABLE t1 (a int(11) NOT NULL); INSERT INTO t1 VALUES (1),(2); CREATE VIEW v1 AS SELECT a, LENGTH(a), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP; DESC v1; Field Type Null Key Default Extra a bigint(11) YES NULL LENGTH(a) bigint(10) YES NULL COUNT(*) bigint(21) NO 0 SELECT * FROM v1; a LENGTH(a) COUNT(*) 1 1 1 2 1 1 NULL NULL 2 DROP VIEW v1; DROP TABLE t1; CREATE TABLE t1 (a int, KEY (a)); INSERT INTO t1 VALUES (3), (1), (4), (1), (3), (1), (1); SELECT * FROM (SELECT a, SUM(a) FROM t1 GROUP BY a WITH ROLLUP) as t; a SUM(a) 1 4 3 6 4 4 NULL 14 DROP TABLE t1; # # Bug#31095: Unexpected NULL constant caused server crash. # create table t1(a int); insert into t1 values (1),(2),(3); select count(a) from t1 group by null with rollup; count(a) 3 3 drop table t1; ############################################################## CREATE TABLE t1(a INT); INSERT INTO t1 VALUES(0); SELECT 1 FROM t1 GROUP BY (DATE(NULL)) WITH ROLLUP; 1 1 1 DROP TABLE t1; # # Bug #48131: crash group by with rollup, distinct, # filesort, with temporary tables # CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY); INSERT INTO t1 VALUES (1), (2); CREATE TABLE t2 (b INT); INSERT INTO t2 VALUES (100); SELECT a, b FROM t1, t2 GROUP BY a, b WITH ROLLUP; a b 1 100 1 NULL 2 100 2 NULL NULL NULL SELECT DISTINCT b FROM t1, t2 GROUP BY a, b WITH ROLLUP; b 100 NULL DROP TABLE t1, t2; # # Bug #48475: DISTINCT is ignored with GROUP BY WITH ROLLUP # and only const tables CREATE TABLE t1 (a INT); CREATE TABLE t2 (b INT); INSERT INTO t1 VALUES (1); INSERT INTO t2 VALUES (1); SELECT DISTINCT b FROM t1, t2 GROUP BY a, b WITH ROLLUP; b 1 NULL DROP TABLE t1, t2; End of 5.0 tests
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