mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 04:46:15 +01:00
1224 lines
29 KiB
Text
1224 lines
29 KiB
Text
create table t2 (sal int(10));
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create aggregate function f1(x INT) returns int
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begin
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declare continue handler for not found return 0;
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loop
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fetch group next row;
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insert into t2 (sal) values (x);
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end loop;
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end|
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create table t1 (sal int(10),id int(10));
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INSERT INTO t1 (sal,id) VALUES (5000,1);
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INSERT INTO t1 (sal,id) VALUES (2000,1);
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INSERT INTO t1 (sal,id) VALUES (1000,1);
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select f1(sal) from t1 where id>= 1;
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f1(sal)
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0
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Warnings:
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Note 4094 At line 5 in test.f1
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Note 4094 At line 5 in test.f1
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Note 4094 At line 5 in test.f1
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select * from t2;
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sal
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5000
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2000
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1000
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drop table t2;
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drop function f1;
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create aggregate function f1(x INT) returns INT
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begin
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insert into t1(sal) values (x);
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return x;
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end|
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ERROR HY000: Aggregate specific instruction(FETCH GROUP NEXT ROW) missing from the aggregate function
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create function f1(x INT) returns INT
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begin
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set x=5;
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fetch group next row;
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return x+1;
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end |
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ERROR HY000: Aggregate specific instruction (FETCH GROUP NEXT ROW) used in a wrong context
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create aggregate function f1(x INT) returns INT
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begin
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declare continue handler for not found return x;
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loop
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fetch group next row;
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end loop;
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end |
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select f1(1);
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f1(1)
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1
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show create function f1;
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Function sql_mode Create Function character_set_client collation_connection Database Collation
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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)
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begin
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declare continue handler for not found return x;
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loop
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fetch group next row;
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end loop;
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end latin1 latin1_swedish_ci latin1_swedish_ci
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alter function f1 aggregate none;
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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
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show create function f1;
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Function sql_mode Create Function character_set_client collation_connection Database Collation
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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)
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begin
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declare continue handler for not found return x;
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loop
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fetch group next row;
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end loop;
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end latin1 latin1_swedish_ci latin1_swedish_ci
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select f1(1);
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f1(1)
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1
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drop function f1;
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create aggregate function f2(i int) returns int
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begin
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FEtCH GROUP NEXT ROW;
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if i <= 0 then
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return 0;
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elseif i = 1 then
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return (select count(*) from t1 where id = i);
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else
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return (select count(*) + f2( i - 1) from t1 where id = i);
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end if;
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end|
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select f2(1)|
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f2(1)
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3
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select f2(2)|
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ERROR HY000: Recursive stored functions and triggers are not allowed
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select f2(3)|
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ERROR HY000: Recursive stored functions and triggers are not allowed
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drop function f2|
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create aggregate function f1(x int) returns int
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begin
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declare mini int default 0;
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declare continue handler for not found return mini;
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loop
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fetch group next row;
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set mini= mini+x;
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fetch group next row;
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end loop;
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end|
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select f1(10);
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f1(10)
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10
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select f1(sal) from t1;
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f1(sal)
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6000
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select f1(sal) from t1 where 1=0;
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f1(sal)
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NULL
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drop function f1;
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create aggregate function f1(x int) returns int
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begin
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declare mini int default 0;
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LOOP
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FETCH GROUP NEXT ROW;
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set mini = mini + x;
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END LOOP;
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end|
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ERROR 42000: No RETURN found in FUNCTION test.f1
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create aggregate function f1(x int) returns int
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begin
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declare mini int default 0;
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LOOP
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FETCH GROUP NEXT ROW;
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set mini = mini + x;
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END LOOP;
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return -1;
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end|
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select f1(sal) from t1|
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ERROR 02000: No data - zero rows fetched, selected, or processed
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drop function f1|
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create aggregate function f1(x int) returns int
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begin
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declare mini int default 0;
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declare continue handler for not found return mini;
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FETCH GROUP NEXT ROW;
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set mini = mini + x;
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end|
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select f1(sal) from t1|
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ERROR 2F005: FUNCTION f1 ended without RETURN
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drop function f1|
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create aggregate function f1(x int) returns int
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begin
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declare mini int default 0;
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declare continue handler for not found set mini=-1;
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LOOP
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FETCH GROUP NEXT ROW;
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set mini = mini + x;
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END LOOP;
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return 0;
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end|
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select f1(sal) from t1|
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ERROR 2F005: FUNCTION f1 ended without RETURN
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drop function f1|
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drop table t1|
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create table t1 (sal int, id int, val int, counter int, primary key(id));
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 1, 10, 2);
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INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 2, 16, 2);
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INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 3, 18, 1);
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INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 4, 15, 3);
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INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 5, 11, 5);
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create aggregate function f1(x INT) returns double
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begin
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declare z double default 0;
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declare continue handler for not found return z;
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loop
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fetch group next row;
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set z= z+x;
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end loop;
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end|
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select id, f1(sal) from t1 where id>= 1 group by counter order by val;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1;
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id f1(sal)
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1 17000
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select id, f1(sal) from t1 where id>= 1;
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id f1(sal)
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1 17000
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select id, f1(sal) from t1 where id>= 1 group by counter;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by id;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by counter order by counter;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by counter order by val;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by counter order by id;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val order by counter;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val order by id;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val order by val;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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drop table t1;
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create table t1 (sal int, id int, val int, counter int, primary key(id), unique key(val));
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 1, 10, 2);
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INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 2, NULL, 2);
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INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 3, 18, 1);
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INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 4, 15, 3);
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INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 5, 11, 5);
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select id, f1(sal) from t1;
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id f1(sal)
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1 17000
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select id, f1(sal) from t1 where id>= 1;
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id f1(sal)
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1 17000
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select id, f1(sal) from t1 where id>= 1 group by counter;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by id;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by counter order by counter;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by counter order by val;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by counter order by id;
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id f1(sal)
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1 3000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val order by counter;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val order by id;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val order by val;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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drop table t1;
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create table t1 (sal int, id int, val int, counter int, primary key(id), INDEX name (val,counter));
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 1, 10, 2);
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INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 2, 10, 4);
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INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 3, 18, 1);
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INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 4, 11, 3);
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INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 5, 11, 5);
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select id, f1(sal) from t1;
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id f1(sal)
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1 17000
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select id, f1(sal) from t1 where id>= 1;
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id f1(sal)
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1 17000
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select id, f1(sal) from t1 where id>= 1 group by counter;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by id;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val;
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id f1(sal)
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1 3000
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3 6000
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4 8000
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select id, f1(sal) from t1 where id>= 1 group by counter order by counter;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by counter order by val;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by counter order by id;
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id f1(sal)
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1 1000
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2 2000
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3 6000
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4 5000
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5 3000
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select id, f1(sal) from t1 where id>= 1 group by val order by counter;
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id f1(sal)
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1 3000
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3 6000
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4 8000
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select id, f1(sal) from t1 where id>= 1 group by val order by id;
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id f1(sal)
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1 3000
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3 6000
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4 8000
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select id, f1(sal) from t1 where id>= 1 group by val order by val;
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id f1(sal)
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1 3000
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3 6000
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4 8000
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drop table t1;
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drop function f1;
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create aggregate function f1(x INT) returns double
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begin
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declare z double default 0;
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declare continue handler for not found return z;
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loop
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fetch group next row;
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set z= z+x;
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end loop;
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end|
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create aggregate function f2() returns double
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begin
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declare z int default 0;
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declare continue handler for not found return z;
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loop
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fetch group next row;
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set z = z+1;
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end loop;
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end|
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create table t1 (sal int, id int, val int, counter int);
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 2, 10, 2);
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INSERT INTO t1 (sal, id, val, counter) VALUES (2000, 1, 16, 5);
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INSERT INTO t1 (sal, id, val, counter) VALUES (6000, 2, 18, 1);
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INSERT INTO t1 (sal, id, val, counter) VALUES (5000, 3, 15, 3);
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INSERT INTO t1 (sal, id, val, counter) VALUES (3000, 4, 11, 4);
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prepare test from "select f2() from t1 where id>= ?";
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set @param= 2;
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execute test using @param;
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f2()
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4
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execute test using @param;
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f2()
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4
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execute test using @param;
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f2()
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4
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execute test using @param;
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f2()
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4
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set @param= 1;
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execute test using @param;
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f2()
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5
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set @param= 3;
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execute test using @param;
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f2()
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2
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set @param= 4;
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execute test using @param;
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f2()
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1
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deallocate prepare test;
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prepare test from "select f1(sal) from t1 where id>= ?";
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set @param= 2;
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execute test using @param;
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f1(sal)
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15000
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execute test using @param;
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f1(sal)
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15000
|
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execute test using @param;
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f1(sal)
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15000
|
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execute test using @param;
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f1(sal)
|
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15000
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set @param= 1;
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execute test using @param;
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f1(sal)
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17000
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set @param= 3;
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execute test using @param;
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f1(sal)
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8000
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set @param= 4;
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execute test using @param;
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f1(sal)
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3000
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set @param= 5;
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execute test using @param;
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f1(sal)
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NULL
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deallocate prepare test;
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drop function f2;
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prepare test from "select f1(sal) from t1 where id>= ?";
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set @param= 2;
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execute test using @param;
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f1(sal)
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15000
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drop function f1;
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create function f1(x int) returns int
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return -1;
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execute test using @param;
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f1(sal)
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-1
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-1
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-1
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|
-1
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drop function f1;
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create aggregate function f1(x INT) returns double
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begin
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declare z double default 0;
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declare continue handler for not found return z;
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loop
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fetch group next row;
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set z= z+x;
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end loop;
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end|
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execute test using @param;
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f1(sal)
|
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15000
|
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deallocate prepare test;
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drop table t1;
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drop function f1;
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create table t1 (sal int, id int, val varchar(10), counter int);
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 2, 'ab', 2);
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 1, 'cd', 5);
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 2, 'ef', 1);
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 3, 'gh', 3);
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INSERT INTO t1 (sal, id, val, counter) VALUES (1000, 4, 'ij', 4);
|
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create table t2 (sal int, id int, val int, counter int);
|
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INSERT INTO t2 (sal, id, val, counter) VALUES (1000, 2, 10, 2);
|
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INSERT INTO t2 (sal, id, val, counter) VALUES (2000, 1, 16, 5);
|
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INSERT INTO t2 (sal, id, val, counter) VALUES (6000, 2, 18, 1);
|
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INSERT INTO t2 (sal, id, val, counter) VALUES (5000, 3, 15, 3);
|
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INSERT INTO t2 (sal, id, val, counter) VALUES (3000, 4, 11, 4);
|
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create aggregate function f1(x double) returns double
|
|
begin
|
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declare z double default 0;
|
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declare continue handler for not found return z;
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loop
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fetch group next row;
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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;
|
|
$$
|
|
CREATE TABLE t2 AS SELECT CONCAT(f1(a)) FROM t1;
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`CONCAT(f1(a))` varchar(11) DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
|
|
DROP TABLE t1,t2;
|
|
DROP FUNCTION f1;
|
|
CREATE AGGREGATE FUNCTION f1() RETURNS TINYTEXT CHARACTER SET latin1
|
|
BEGIN
|
|
DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN '';
|
|
LOOP
|
|
FETCH GROUP NEXT ROW;
|
|
END LOOP;
|
|
RETURN '';
|
|
END;
|
|
$$
|
|
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 COLLATE=latin1_swedish_ci
|
|
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;
|
|
$$
|
|
CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3;
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`c1` text DEFAULT NULL,
|
|
`c2` text DEFAULT NULL,
|
|
`c3` text DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
|
|
DROP TABLE t1;
|
|
DROP FUNCTION f1;
|
|
CREATE AGGREGATE FUNCTION f1() RETURNS MEDIUMTEXT CHARACTER SET latin1
|
|
BEGIN
|
|
DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN '';
|
|
LOOP
|
|
FETCH GROUP NEXT ROW;
|
|
END LOOP;
|
|
RETURN '';
|
|
END;
|
|
$$
|
|
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 COLLATE=latin1_swedish_ci
|
|
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;
|
|
$$
|
|
CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3;
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`c1` longtext DEFAULT NULL,
|
|
`c2` longtext DEFAULT NULL,
|
|
`c3` longtext DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
|
|
DROP TABLE t1;
|
|
DROP FUNCTION f1;
|
|
CREATE AGGREGATE FUNCTION f1() RETURNS TINYTEXT CHARACTER SET utf8
|
|
BEGIN
|
|
DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN '';
|
|
LOOP
|
|
FETCH GROUP NEXT ROW;
|
|
END LOOP;
|
|
RETURN '';
|
|
END;
|
|
$$
|
|
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 utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL,
|
|
`c2` text CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL,
|
|
`c3` varchar(255) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
|
|
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;
|
|
$$
|
|
CREATE TABLE t1 AS SELECT f1() AS c1, COALESCE(f1()) AS c2, CONCAT(f1()) AS c3;
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`c1` text CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL,
|
|
`c2` mediumtext CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL,
|
|
`c3` mediumtext CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
|
|
DROP TABLE t1;
|
|
DROP FUNCTION f1;
|
|
CREATE AGGREGATE FUNCTION f1() RETURNS MEDIUMTEXT CHARACTER SET utf8
|
|
BEGIN
|
|
DECLARE CONTINUE HANDLER FOR NOT FOUND RETURN '';
|
|
LOOP
|
|
FETCH GROUP NEXT ROW;
|
|
END LOOP;
|
|
RETURN '';
|
|
END;
|
|
$$
|
|
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 utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL,
|
|
`c2` longtext CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL,
|
|
`c3` longtext CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
|
|
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 utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL,
|
|
`c2` longtext CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL,
|
|
`c3` longtext CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
|
|
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
|