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fix(group by, having): MCOL-5776: GROUP BY/HAVING closer to server's (#3371)

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This patch introduces an internal aggregate operator SELECT_SOME that
is automatically added to columns that are not in GROUP BY. It
"computes" some plausible value of the column (actually, last one
passed).

Along the way it fixes incorrect handling of HAVING being transferred
into WHERE, window function handling and a bit of other inconsistencies.
This commit is contained in:
Sergey Zefirov
2024-12-20 22:11:47 +03:00
committed by GitHub
parent 073f0b7f41
commit 60dc7550f1
20 changed files with 601 additions and 131 deletions
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14
mysql-test/columnstore/devregression/r/mcs7224_regression_MCOL-3503.result
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@ -14,14 +14,6 @@ sales 3 4800
sales 4 4800
select avg(salary),depname, moda(salary) over(partition by depname order by enroll_date) from empsalary group by depname order by depname, avg(salary);
avg(salary) depname moda(salary) over(partition by depname order by enroll_date)
NULL develop 5200
4200.0000 develop 5200
4500.0000 develop 5200
5200.0000 develop 5200
5200.0000 develop 5200
6000.0000 develop 6000
3500.0000 personnel 3500
3900.0000 personnel 3900
4800.0000 sales 4800
4800.0000 sales 4800
5000.0000 sales 5000
5020.0000 develop 0
3700.0000 personnel 3900
4866.6667 sales 4800