create table t2 (sal int(10)); create aggregate function f1(x INT) returns int begin declare continue handler for not found return 0; loop fetch group next row; insert into t2 (sal) values (x); end loop; end| create table t1 (sal int(10),id int(10)); INSERT INTO t1 (sal,id) VALUES (5000,1); INSERT INTO t1 (sal,id) VALUES (2000,1); INSERT INTO t1 (sal,id) VALUES (1000,1); select f1(sal) from t1 where id>= 1; f1(sal) 0 Warnings: Note 4094 At line 5 in test.f1 Note 4094 At line 5 in test.f1 Note 4094 At line 5 in test.f1 select * from t2; sal 5000 2000 1000 drop table t2; drop function f1; create aggregate function f1(x INT) returns INT begin insert into t1(sal) values (x); return x; end| ERROR HY000: Aggregate specific instruction(FETCH GROUP NEXT ROW) missing from the aggregate function create function f1(x INT) returns INT begin set x=5; fetch group next row; return x+1; end | ERROR HY000: Aggregate specific instruction (FETCH GROUP NEXT ROW) used in a wrong context create aggregate function f1(x INT) returns INT begin declare continue handler for not found return x; loop fetch group next row; end loop; end | select f1(1); f1(1) 1 show create function f1; Function sql_mode Create Function character_set_client collation_connection Database Collation f1 STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`root`@`localhost` AGGREGATE FUNCTION `f1`(x INT) RETURNS int(11) begin declare continue handler for not found return x; loop fetch group next row; end loop; end latin1 latin1_swedish_ci latin1_swedish_ci alter function f1 aggregate none; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'aggregate none' at line 1 show create function f1; Function sql_mode Create Function character_set_client collation_connection Database Collation f1 STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`root`@`localhost` AGGREGATE FUNCTION `f1`(x INT) RETURNS int(11) begin declare continue handler for not found return x; loop fetch group next row; end loop; end latin1 latin1_swedish_ci latin1_swedish_ci select f1(1); f1(1) 1 drop function f1; create aggregate function f2(i int) returns int begin FEtCH GROUP NEXT ROW; if i <= 0 then return 0; elseif i = 1 then return (select count(*) from t1 where id = i); else return (select count(*) + f2( i - 1) from t1 where id = i); end if; end| select f2(1)| f2(1) 3 select f2(2)| ERROR HY000: Recursive stored functions and triggers are not allowed select f2(3)| ERROR HY000: Recursive stored functions and triggers are not allowed drop function f2| create aggregate function f1(x int) returns int begin declare mini int default 0; declare continue handler for not found return mini; loop fetch group next row; set mini= mini+x; fetch group next row; end loop; end| select f1(10); f1(10) 10 select f1(sal) from t1; f1(sal) 6000 select f1(sal) from t1 where 1=0; f1(sal) NULL drop function f1; create aggregate function f1(x int) returns int begin declare mini int default 0; LOOP FETCH GROUP NEXT ROW; set mini = mini + x; END LOOP; end| ERROR 42000: No RETURN found in FUNCTION test.f1 create aggregate function f1(x int) returns int begin declare mini int default 0; LOOP FETCH GROUP NEXT ROW; set mini = mini + x; END LOOP; return -1; end| select f1(sal) from t1| ERROR 02000: No data - zero rows fetched, selected, or processed drop function f1| create aggregate function f1(x int) returns int begin declare mini int default 0; declare continue handler for not found return mini; FETCH GROUP NEXT ROW; set mini = mini + x; end| select f1(sal) from t1| ERROR 2F005: FUNCTION f1 ended without RETURN drop function f1| create aggregate function f1(x int) returns int begin declare mini int default 0; declare continue handler for not found set mini=-1; LOOP FETCH GROUP NEXT ROW; set mini = mini + x; END LOOP; return 0; end| select f1(sal) from t1| ERROR 2F005: FUNCTION f1 ended without RETURN drop function f1| drop table t1| create table t1 (sal int, id int, val int, counter int, primary key(id)); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 1, 10, 2); INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 2, 16, 2); INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 3, 18, 1); INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 4, 15, 3); INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 5, 11, 5); create aggregate function f1(x INT) returns double begin declare z double default 0; declare continue handler for not found return z; loop fetch group next row; set z= z+x; end loop; end| select id, f1(sal) from t1 where id>= 1 group by counter order by val; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1; id f1(sal) 1 17000 select id, f1(sal) from t1 where id>= 1; id f1(sal) 1 17000 select id, f1(sal) from t1 where id>= 1 group by counter; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by id; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by counter order by counter; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by counter order by val; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by counter order by id; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val order by counter; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val order by id; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val order by val; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 drop table t1; create table t1 (sal int, id int, val int, counter int, primary key(id), unique key(val)); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 1, 10, 2); INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 2, NULL, 2); INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 3, 18, 1); INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 4, 15, 3); INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 5, 11, 5); select id, f1(sal) from t1; id f1(sal) 1 17000 select id, f1(sal) from t1 where id>= 1; id f1(sal) 1 17000 select id, f1(sal) from t1 where id>= 1 group by counter; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by id; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by counter order by counter; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by counter order by val; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by counter order by id; id f1(sal) 1 3000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val order by counter; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val order by id; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val order by val; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 drop table t1; create table t1 (sal int, id int, val int, counter int, primary key(id), INDEX name (val,counter)); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 1, 10, 2); INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 2, 10, 4); INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 3, 18, 1); INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 4, 11, 3); INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 5, 11, 5); select id, f1(sal) from t1; id f1(sal) 1 17000 select id, f1(sal) from t1 where id>= 1; id f1(sal) 1 17000 select id, f1(sal) from t1 where id>= 1 group by counter; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by id; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val; id f1(sal) 1 3000 3 6000 4 8000 select id, f1(sal) from t1 where id>= 1 group by counter order by counter; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by counter order by val; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by counter order by id; id f1(sal) 1 1000 2 2000 3 6000 4 5000 5 3000 select id, f1(sal) from t1 where id>= 1 group by val order by counter; id f1(sal) 1 3000 3 6000 4 8000 select id, f1(sal) from t1 where id>= 1 group by val order by id; id f1(sal) 1 3000 3 6000 4 8000 select id, f1(sal) from t1 where id>= 1 group by val order by val; id f1(sal) 1 3000 3 6000 4 8000 drop table t1; drop function f1; create aggregate function f1(x INT) returns double begin declare z double default 0; declare continue handler for not found return z; loop fetch group next row; set z= z+x; end loop; end| create aggregate function f2() returns double begin declare z int default 0; declare continue handler for not found return z; loop fetch group next row; set z = z+1; end loop; end| create table t1 (sal int, id int, val int, counter int); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 2, 10, 2); INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 1, 16, 5); INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 2, 18, 1); INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 3, 15, 3); INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 4, 11, 4); prepare test from "select f2() from t1 where id>= ?"; set @param= 2; execute test using @param; f2() 4 execute test using @param; f2() 4 execute test using @param; f2() 4 execute test using @param; f2() 4 set @param= 1; execute test using @param; f2() 5 set @param= 3; execute test using @param; f2() 2 set @param= 4; execute test using @param; f2() 1 deallocate prepare test; prepare test from "select f1(sal) from t1 where id>= ?"; set @param= 2; execute test using @param; f1(sal) 15000 execute test using @param; f1(sal) 15000 execute test using @param; f1(sal) 15000 execute test using @param; f1(sal) 15000 set @param= 1; execute test using @param; f1(sal) 17000 set @param= 3; execute test using @param; f1(sal) 8000 set @param= 4; execute test using @param; f1(sal) 3000 set @param= 5; execute test using @param; f1(sal) NULL deallocate prepare test; drop function f2; prepare test from "select f1(sal) from t1 where id>= ?"; set @param= 2; execute test using @param; f1(sal) 15000 drop function f1; create function f1(x int) returns int return -1; execute test using @param; f1(sal) -1 -1 -1 -1 drop function f1; create aggregate function f1(x INT) returns double begin declare z double default 0; declare continue handler for not found return z; loop fetch group next row; set z= z+x; end loop; end| execute test using @param; f1(sal) 15000 deallocate prepare test; drop table t1; drop function f1; create table t1 (sal int, id int, val varchar(10), counter int); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 2, 'ab', 2); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 1, 'cd', 5); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 2, 'ef', 1); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 3, 'gh', 3); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 4, 'ij', 4); create table t2 (sal int, id int, val int, counter int); INSERT INTO t2 (sal, id, val, counter) VALUES (1000, 2, 10, 2); INSERT INTO t2 (sal, id, val, counter) VALUES (2000, 1, 16, 5); INSERT INTO t2 (sal, id, val, counter) VALUES (6000, 2, 18, 1); INSERT INTO t2 (sal, id, val, counter) VALUES (5000, 3, 15, 3); INSERT INTO t2 (sal, id, val, counter) VALUES (3000, 4, 11, 4); create aggregate function f1(x double) returns double begin declare z double default 0; declare continue handler for not found return z; loop fetch group next row; set z= z+x; end loop; end| create aggregate function f2(x INT) returns CHAR(10) begin declare mini INT default 0; declare continue handler for not found return mini; loop fetch group next row; set mini= mini + x; end loop; end| create aggregate function f3(x INT) returns CHAR(10) begin declare mini INT default 0; declare continue handler for not found return mini; loop fetch group next row; set mini= mini + x; fetch group next row; set mini= mini - x; end loop; end| create aggregate function f4(x INT, y varchar(10)) returns varchar(1000) begin declare str varchar(1000) default ''; declare continue handler for not found return str; loop fetch group next row; set str= concat(str,y); end loop; end| create aggregate function f5(x INT) returns varchar(1000) begin declare z int default 0; DECLARE cur1 CURSOR FOR SELECT sal FROM test.t2; declare continue handler for not found return 0; loop fetch group next row; set z = z+x; end loop; end| create function f6(x int) returns int return (select f1(sal) from t1)| select f1(sal) from t1; f1(sal) 5000 select f1(sal) from t1 where id>= 1 group by counter; f1(sal) 1000 1000 1000 1000 1000 select f3(sal) from t1; f3(sal) 1000 select f2(val) from t1; ERROR 22007: Incorrect integer value: 'ab' for column ``.``.`x` at row 1 select val, id, c from (select f1(sal) as c from t2) as t1, t2; val id c 10 2 17000 11 4 17000 15 3 17000 16 1 17000 18 2 17000 select f1(sal),f1(val), f1(id), f1(sal) from t2; f1(sal) f1(val) f1(id) f1(sal) 17000 70 12 17000 select f4(sal, val) from t1; f4(sal, val) abcdefghij select c from (select f1(sal) as c from t2) as t1; c 17000 select f1((select val from t2 where 0 > 1)) from t1; f1((select val from t2 where 0 > 1)) NULL select f1((select val from t2 where id= 1)) from t1; f1((select val from t2 where id= 1)) 80 select f5(sal) from t1; f5(sal) 0 SELECT f1(sal)*f1(sal) FROM t1; f1(sal)*f1(sal) 25000000 SELECT (SELECT f1(sal) FROM t1) FROM t2; (SELECT f1(sal) FROM t1) 5000 5000 5000 5000 5000 select id, f1(sal) from t1; id f1(sal) 2 5000 select id, f1(sal) from t1 where id>= 1; id f1(sal) 2 5000 select f1(sal), f1(sal) from t1 where id>= 1 group by counter; f1(sal) f1(sal) 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 select f1(sal), f1(sal) from t1 where id>= 1 group by id ; f1(sal) f1(sal) 1000 1000 1000 1000 1000 1000 2000 2000 select f1(sal) from t1 where id>= 1 group by id ; f1(sal) 1000 1000 1000 2000 select f1(sal) from t1 where id>= 1 order by counter; f1(sal) 5000 select f1(sal) from t1 where id>= 1 group by id order by counter; f1(sal) 2000 1000 1000 1000 select counter, id, f1(sal) from t1 where id>= 1 group by id order by counter; counter id f1(sal) 2 2 2000 3 3 1000 4 4 1000 5 1 1000 select id, f1(sal) from t1 where id>= 1 group by id order by counter; id f1(sal) 2 2000 3 1000 4 1000 1 1000 drop table t1; drop table t2; drop function f1; drop function f2; drop function f3; drop function f4; drop function f5; drop function f6; create aggregate function f1(x INT) returns INT begin declare z double default 1000; declare continue handler for not found return z; loop fetch group next row; set z= (z&x); end loop; end| create table t1 (sal int, id int, val int, counter int); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 2, 10, 2); INSERT INTO t1 (sal, id, val, counter) VALUES (7000, 1, 16, 5); INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 2, 18, 1); INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 3, 15, 3); INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 4, 11, 4); INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 5, 10, 7); INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 7, 13, 8); INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 6, 19, 9); INSERT INTO t1 (sal, id, val, counter) VALUES (7000, 7, 12, 0); INSERT INTO t1 (sal, id, val, counter) VALUES (4000, 6, 14, 1); INSERT INTO t1 (sal, id, val, counter) VALUES (8000, 5, 19, 3); INSERT INTO t1 (sal, id, val, counter) VALUES (9000, 4, 11, 4); INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 3, 11, 2); select f1(sal) from t1 where id>= 1; f1(sal) 768 drop function f1; create aggregate function f1(x INT) returns double begin declare z double default 0; declare count double default 0; declare continue handler for not found return z/count; loop fetch group next row; set z= z+x; set count= count+1; end loop; end| select f1(sal) from t1 where id>= 1; f1(sal) 4923.076923076923 drop function f1; create aggregate function f1(x INT) returns INT begin declare maxi INT default -1; declare continue handler for not found return maxi; loop fetch group next row; if maxi < x then set maxi= x; end if; end loop; end| select f1(sal) from t1 where id>= 1; f1(sal) 9000 drop function f1; create aggregate function f1(x INT) returns double begin declare mini INT default 100000; declare continue handler for not found return mini; loop fetch group next row; if mini > x then set mini = x; end if; end loop; end| select f1(sal) from t1 where id>= 1; f1(sal) 1000 drop function f1; create aggregate function f1(x INT) returns double begin declare z double default 0; declare continue handler for not found return z; loop fetch group next row; set z= z^x; end loop; end| select f1(sal) from t1 where id>= 1; f1(sal) 16288 drop function f1; create aggregate function f1(x INT) returns INT begin declare z int default 0; declare continue handler for not found return z; loop fetch group next row; set z= z+x; end loop; end| select f1(sal) from t1 where id>= 1; f1(sal) 64000 create aggregate function f2() returns INT begin declare z double default 0; declare continue handler for not found return z; loop fetch group next row; set z= z+1; end loop; end| select f2() from t1; f2() 13 create table t2 (sal int, id int); INSERT INTO t2 (sal, id) VALUES (NULL, 1); INSERT INTO t2 (sal, id) VALUES (2000, 1); INSERT INTO t2 (sal, id) VALUES (3000, 1); select f1(sal) from t2; f1(sal) NULL select f1(1); f1(1) 1 create function f3() returns int return (select f1(sal) from t1); select f3(); f3() 64000 create function f4() returns INT return 1; create aggregate function f5() returns INT begin declare z double default 0; declare continue handler for not found return z; loop fetch group next row; set z= z+f3(); end loop; end| select f5() from t2; f5() 192000 Warnings: Note 4094 At line 6 in test.f5 Note 4094 At line 6 in test.f5 Note 4094 At line 6 in test.f5 create aggregate function f6(x INT) returns INT begin declare z int default 0; declare continue handler for not found return z; loop fetch group next row; if x then set z= z+(select f1(sal) from t1); end if; end loop; end| select f6(sal) from t2; f6(sal) 128000 Warnings: Note 4094 At line 6 in test.f6 Note 4094 At line 6 in test.f6 select id, f1(sal) from t1 where id>= 1 group by id; id f1(sal) 1 7000 2 7000 3 6000 4 12000 5 10000 6 10000 7 12000 select counter, f1(sal) from t1 where id>= 1 group by counter; counter f1(sal) 0 7000 1 10000 2 2000 3 13000 4 12000 5 7000 7 2000 8 5000 9 6000 select val, f1(sal) from t1 where id>= 1 group by val; val f1(sal) 10 3000 11 13000 12 7000 13 5000 14 4000 15 5000 16 7000 18 6000 19 14000 select counter, f1(sal) from t1 where id>= 1 group by id order by counter; counter f1(sal) 0 12000 2 6000 2 7000 4 12000 5 7000 7 10000 9 10000 select counter, id, f1(sal), f1(sal) from t1 where id>= 1 group by id order by counter; counter id f1(sal) f1(sal) 0 7 12000 12000 2 2 7000 7000 2 3 6000 6000 4 4 12000 12000 5 1 7000 7000 7 5 10000 10000 9 6 10000 10000 select counter, id, f1(sal), sum(distinct sal) from t1 where id>= 1 group by id order by counter desc; counter id f1(sal) sum(distinct sal) 0 7 12000 12000 2 2 7000 7000 2 3 6000 6000 4 4 12000 12000 5 1 7000 7000 7 5 10000 10000 9 6 10000 10000 create table t3 (i int); INSERT INTO t3 (i) select f1(sal) from t1; select * from t3; i 64000 create aggregate function f7(x INT) returns INT begin declare z int default 0; DECLARE done BOOLEAN DEFAULT FALSE; DECLARE a,b,c INT; DECLARE cur1 CURSOR FOR SELECT id FROM test.t2; declare continue handler for not found return z; outer_loop: LOOP FETCH GROUP NEXT ROW; set z= z+x; inner_block: begin DECLARE cur2 CURSOR FOR SELECT id FROM test.t2; DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN cur2; read_loop: LOOP FETCH cur2 INTO a; IF done THEN CLOSE cur2; LEAVE read_loop; END IF; END LOOP read_loop; end inner_block; END LOOP outer_loop; end| select f7(sal) from t1; f7(sal) 64000 Warnings: Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 Note 4094 At line 9 in test.f7 drop table t1; drop table t2; drop table t3; drop function f1; drop function f2; drop function f3; drop function f4; drop function f5; drop function f6; drop function f7; create aggregate function f1(x date) returns date begin declare continue handler for not found return x; loop fetch group next row; end loop; end| select f1('2001-01-01'),cast(f1('2001-01-01') as time); f1('2001-01-01') cast(f1('2001-01-01') as time) 2001-01-01 00:00:00 drop function f1; # # MDEV-15957 Unexpected "Data too long" when doing CREATE..SELECT with stored functions # CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1),(2),(3); CREATE AGGREGATE FUNCTION f1(x INT) RETURNS INT(3) BEGIN DECLARE res INT DEFAULT 0; DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN res-200; LOOP FETCH GROUP NEXT ROW; SET res= res + x; END LOOP; RETURN res; END; $$ CREATE TABLE t2 AS SELECT CONCAT(f1(a)) FROM t1; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `CONCAT(f1(a))` varchar(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1,t2; DROP FUNCTION f1; CREATE AGGREGATE FUNCTION f1() RETURNS TINYTEXT CHARACTER SET latin1 BEGIN DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN ''; LOOP FETCH GROUP NEXT ROW; END LOOP; RETURN ''; END; $$ CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` tinytext DEFAULT NULL, `c2` tinytext DEFAULT NULL, `c3` varchar(255) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; DROP FUNCTION f1; CREATE AGGREGATE FUNCTION f1() RETURNS TEXT CHARACTER SET latin1 BEGIN DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN ''; LOOP FETCH GROUP NEXT ROW; END LOOP; RETURN ''; END; $$ CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` text DEFAULT NULL, `c2` text DEFAULT NULL, `c3` text DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; DROP FUNCTION f1; CREATE AGGREGATE FUNCTION f1() RETURNS MEDIUMTEXT CHARACTER SET latin1 BEGIN DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN ''; LOOP FETCH GROUP NEXT ROW; END LOOP; RETURN ''; END; $$ CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` mediumtext DEFAULT NULL, `c2` mediumtext DEFAULT NULL, `c3` mediumtext DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; DROP FUNCTION f1; CREATE AGGREGATE FUNCTION f1() RETURNS LONGTEXT CHARACTER SET latin1 BEGIN DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN ''; LOOP FETCH GROUP NEXT ROW; END LOOP; RETURN ''; END; $$ CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` longtext DEFAULT NULL, `c2` longtext DEFAULT NULL, `c3` longtext DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; DROP FUNCTION f1; CREATE AGGREGATE FUNCTION f1() RETURNS TINYTEXT CHARACTER SET utf8 BEGIN DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN ''; LOOP FETCH GROUP NEXT ROW; END LOOP; RETURN ''; END; $$ CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` tinytext CHARACTER SET utf8 DEFAULT NULL, `c2` text CHARACTER SET utf8 DEFAULT NULL, `c3` varchar(255) CHARACTER SET utf8 DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; DROP FUNCTION f1; CREATE AGGREGATE FUNCTION f1() RETURNS TEXT CHARACTER SET utf8 BEGIN DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN ''; LOOP FETCH GROUP NEXT ROW; END LOOP; RETURN ''; END; $$ CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` text CHARACTER SET utf8 DEFAULT NULL, `c2` mediumtext CHARACTER SET utf8 DEFAULT NULL, `c3` mediumtext CHARACTER SET utf8 DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; DROP FUNCTION f1; CREATE AGGREGATE FUNCTION f1() RETURNS MEDIUMTEXT CHARACTER SET utf8 BEGIN DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN ''; LOOP FETCH GROUP NEXT ROW; END LOOP; RETURN ''; END; $$ CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` mediumtext CHARACTER SET utf8 DEFAULT NULL, `c2` longtext CHARACTER SET utf8 DEFAULT NULL, `c3` longtext CHARACTER SET utf8 DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; DROP FUNCTION f1; CREATE AGGREGATE FUNCTION f1() RETURNS LONGTEXT CHARACTER SET utf8 BEGIN DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN ''; LOOP FETCH GROUP NEXT ROW; END LOOP; RETURN ''; END; $$ CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` longtext CHARACTER SET utf8 DEFAULT NULL, `c2` longtext CHARACTER SET utf8 DEFAULT NULL, `c3` longtext CHARACTER SET utf8 DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 DROP TABLE t1; DROP FUNCTION f1; # # MDEV-14520: Custom aggregate functions work incorrectly with WITH ROLLUP clause # create aggregate function agg_sum(x INT) returns INT begin declare z int default 0; declare continue handler for not found return z; loop fetch group next row; set z= z+x; end loop; end| create table t1 (i int); insert into t1 values (1),(2),(2),(3); select i, agg_sum(i) from t1 group by i with rollup; i agg_sum(i) 1 1 2 4 3 3 NULL 8 # # Compare with select i, sum(i) from t1 group by i with rollup; i sum(i) 1 1 2 4 3 3 NULL 8 drop function agg_sum; drop table t1; # # User defined aggregate functions not working correctly when the schema is changed # CREATE SCHEMA IF NOT EXISTS common_schema; CREATE SCHEMA IF NOT EXISTS another_schema; DROP FUNCTION IF EXISTS common_schema.add_ints | Warnings: Note 1305 FUNCTION common_schema.add_ints does not exist CREATE FUNCTION common_schema.add_ints(int_1 INT, int_2 INT) RETURNS INT NO SQL BEGIN RETURN int_1 + int_2; END | DROP FUNCTION IF EXISTS common_schema.sum_ints | Warnings: Note 1305 FUNCTION common_schema.sum_ints does not exist CREATE AGGREGATE FUNCTION common_schema.sum_ints(int_val INT) RETURNS INT BEGIN DECLARE result INT DEFAULT 0; DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN result; LOOP FETCH GROUP NEXT ROW; SET result = common_schema.add_ints(result, int_val); END LOOP; END | use common_schema; SELECT common_schema.sum_ints(seq) FROM (SELECT 1 seq UNION ALL SELECT 2) t; common_schema.sum_ints(seq) 3 USE another_schema; SELECT common_schema.sum_ints(seq) FROM (SELECT 1 seq UNION ALL SELECT 2) t; common_schema.sum_ints(seq) 3 drop database common_schema; drop database another_schema; USE test; # End of 10.3 tests # # MDEV-18813 PROCEDURE and anonymous blocks silently ignore FETCH GROUP NEXT ROW # CREATE PROCEDURE p1() BEGIN FETCH GROUP NEXT ROW; END; $$ ERROR HY000: Aggregate specific instruction (FETCH GROUP NEXT ROW) used in a wrong context BEGIN NOT ATOMIC FETCH GROUP NEXT ROW; END; $$ ERROR HY000: Aggregate specific instruction (FETCH GROUP NEXT ROW) used in a wrong context CREATE DEFINER=root@localhost FUNCTION f1() RETURNS INT BEGIN FETCH GROUP NEXT ROW; RETURN 0; END; $$ ERROR HY000: Aggregate specific instruction (FETCH GROUP NEXT ROW) used in a wrong context CREATE TABLE t1 (a INT); CREATE TRIGGER tr1 AFTER INSERT ON t1 FOR EACH ROW FETCH GROUP NEXT ROW; ERROR HY000: Aggregate specific instruction (FETCH GROUP NEXT ROW) used in a wrong context DROP TABLE t1; CREATE EVENT ev1 ON SCHEDULE EVERY 1 HOUR STARTS CURRENT_TIMESTAMP + INTERVAL 1 MONTH ENDS CURRENT_TIMESTAMP + INTERVAL 1 MONTH + INTERVAL 1 WEEK DO FETCH GROUP NEXT ROW; ERROR HY000: Aggregate specific instruction (FETCH GROUP NEXT ROW) used in a wrong context # End of 10.4 tests