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-rw-r--r--mysql-test/main/custom_aggregate_functions.result949
1 files changed, 949 insertions, 0 deletions
diff --git a/mysql-test/main/custom_aggregate_functions.result b/mysql-test/main/custom_aggregate_functions.result
new file mode 100644
index 00000000000..67be44c43f7
--- /dev/null
+++ b/mysql-test/main/custom_aggregate_functions.result
@@ -0,0 +1,949 @@
+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: Non-aggregate function contains aggregate specific instructions: (FETCH GROUP NEXT ROW)
+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;
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