database/mariadb-columnstore-engine
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fix(aggregation): MCOL-5467 Add support for duplicate expressions in group by. (#3052)

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This patch adds support for duplicate expressions (builtin_functions) with
one argument in select statement and group by statement.
This commit is contained in:
Denis Khalikov
2023-12-05 18:29:44 +03:00
committed by GitHub
parent 71f6a39078
commit 58e18eeb56
6 changed files with 644 additions and 350 deletions
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71
mysql-test/columnstore/bugfixes/mcol-5476.result Normal file
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DROP DATABASE IF EXISTS `mcol-5476`;
CREATE DATABASE `mcol-5476`;
USE `mcol-5476`;
create table t1 (a int, b int) engine=columnstore;
insert into t1 values (1, 1), (2, 1), (3, 1), (4, 2), (5, 2);
select sum(a), abs(b), abs(b) from t1 group by abs(b), abs(b);
sum(a) abs(b) abs(b)
6 1 1
9 2 2
select sum(a), abs(b), abs(b) from t1 group by abs(b);
sum(a) abs(b) abs(b)
6 1 1
9 2 2
select sum(distinct a), abs(b), abs(b) from t1 group by abs(b), abs(b);
sum(distinct a) abs(b) abs(b)
6 1 1
9 2 2
select sum(distinct a), abs(b), abs(b) from t1 group by abs(b);
sum(distinct a) abs(b) abs(b)
6 1 1
9 2 2
create table t2 (a int, b int, c varchar(20)) engine=columnstore;
insert into t2 values (1, 1, "abc"), (2, 1, "abc"), (1, 2, "abcd"), (3, 2, "abcd");
select sum(a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), length(c);
sum(a) abs(b) length(c) abs(b) length(c)
3 1 3 1 3
4 2 4 2 4
select sum(a), abs(b), abs(b), length(c), length(c) from t2 group by abs(b), length(c);
sum(a) abs(b) abs(b) length(c) length(c)
3 1 1 3 3
4 2 2 4 4
select sum(a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), abs(b), length(c), length(c);
sum(a) abs(b) length(c) abs(b) length(c)
3 1 3 1 3
4 2 4 2 4
select sum(a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), length(c), length(c), abs(b);
sum(a) abs(b) length(c) abs(b) length(c)
3 1 3 1 3
4 2 4 2 4
select sum(distinct a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), length(c) order by abs(b);
sum(distinct a) abs(b) length(c) abs(b) length(c)
3 1 3 1 3
4 2 4 2 4
select sum(distinct a), abs(b), abs(b), length(c), length(c) from t2 group by abs(b), length(c) order by abs(b);
sum(distinct a) abs(b) abs(b) length(c) length(c)
3 1 1 3 3
4 2 2 4 4
select sum(distinct a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), abs(b), length(c), length(c);
sum(distinct a) abs(b) length(c) abs(b) length(c)
3 1 3 1 3
4 2 4 2 4
select sum(distinct a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), length(c), length(c), abs(b);
sum(distinct a) abs(b) length(c) abs(b) length(c)
3 1 3 1 3
4 2 4 2 4
select sum(distinct t1.a), abs(t2.b), abs(t2.b) from t1 join t2 on t1.a = t2.a group by abs(t2.b);
sum(distinct t1.a) abs(t2.b) abs(t2.b)
3 1 1
4 2 2
select sum(t1.a), abs(t2.b), abs(t2.b) from t1 join t2 on t1.a = t2.a group by abs(t2.b);
sum(t1.a) abs(t2.b) abs(t2.b)
3 1 1
4 2 2
create table t3 (a datetime, b int) engine=columnstore;
insert into t3 values ("2007-01-30 21:31:07", 1), ("2007-01-30 21:31:07", 3), ("2007-01-29 21:31:07", 1), ("2007-01-29 21:31:07", 2);
select distinct DAYOFWEEK(a) as C1, DAYOFWEEK(a) as C2, SUM(b) from t3 group by DAYOFWEEK(a), DAYOFWEEK(a);
C1 C2 SUM(b)
2 2 3
3 3 4
DROP TABLE t1, t2, t3;
DROP DATABASE `mcol-5476`;

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mysql-test/columnstore/bugfixes/mcol-5476.test Normal file
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-- source ../include/have_columnstore.inc
--disable_warnings
DROP DATABASE IF EXISTS `mcol-5476`;
--enable_warnings
CREATE DATABASE `mcol-5476`;
USE `mcol-5476`;
create table t1 (a int, b int) engine=columnstore;
insert into t1 values (1, 1), (2, 1), (3, 1), (4, 2), (5, 2);
#prep2aggregate
sorted_result;
select sum(a), abs(b), abs(b) from t1 group by abs(b), abs(b);
sorted_result;
select sum(a), abs(b), abs(b) from t1 group by abs(b);
#prep2distinctaggregate
sorted_result;
select sum(distinct a), abs(b), abs(b) from t1 group by abs(b), abs(b);
sorted_result;
select sum(distinct a), abs(b), abs(b) from t1 group by abs(b);
create table t2 (a int, b int, c varchar(20)) engine=columnstore;
insert into t2 values (1, 1, "abc"), (2, 1, "abc"), (1, 2, "abcd"), (3, 2, "abcd");
#prep2aggregate
sorted_result;
select sum(a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), length(c);
sorted_result;
select sum(a), abs(b), abs(b), length(c), length(c) from t2 group by abs(b), length(c);
sorted_result;
select sum(a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), abs(b), length(c), length(c);
sorted_result;
select sum(a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), length(c), length(c), abs(b);
#prep2distinctaggregate
sorted_result;
select sum(distinct a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), length(c) order by abs(b);
sorted_result;
select sum(distinct a), abs(b), abs(b), length(c), length(c) from t2 group by abs(b), length(c) order by abs(b);
sorted_result;
select sum(distinct a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), abs(b), length(c), length(c);
sorted_result;
select sum(distinct a), abs(b), length(c), abs(b), length(c) from t2 group by abs(b), length(c), length(c), abs(b);
#Joins
#prep1distinctaggregate
sorted_result;
select sum(distinct t1.a), abs(t2.b), abs(t2.b) from t1 join t2 on t1.a = t2.a group by abs(t2.b);
#prep1aggregate
sorted_result;
select sum(t1.a), abs(t2.b), abs(t2.b) from t1 join t2 on t1.a = t2.a group by abs(t2.b);
#User test case
create table t3 (a datetime, b int) engine=columnstore;
insert into t3 values ("2007-01-30 21:31:07", 1), ("2007-01-30 21:31:07", 3), ("2007-01-29 21:31:07", 1), ("2007-01-29 21:31:07", 2);
sorted_result;
select distinct DAYOFWEEK(a) as C1, DAYOFWEEK(a) as C2, SUM(b) from t3 group by DAYOFWEEK(a), DAYOFWEEK(a);
DROP TABLE t1, t2, t3;
DROP DATABASE `mcol-5476`;