Database Administrators Asked on December 17, 2021
I have a table with columns with severities like:
name | critical | major | trivial
----------------------------------------
Apache |2 |3 |2
Eclipse|5 |0 |4
TestNg |0 |0 |5
JUnit |0 |2 |7
I want to list the rows in the order by their severities in descending order – critical, major and trivial.
For the above example, I’d like to get back:
name | critical | major | trivial
----------------------------------------
Eclipse|5 |0 |4
Apache |2 |3 |2
JUnit |0 |2 |7
TestNg |0 |0 |5
critical has highest severity, then comes major and then trivial. Notice eclipse has to come first since 5 > 2 (Critical, internal sorting)
Simply order them with the right orde4r with DESC
for descending
Schema (PostgreSQL v9.6)
CREATE TABLE test (
"name" VARCHAR(7),
"critical" INTEGER,
"major" INTEGER,
"trivial" INTEGER
);
INSERT INTO test
("name", "critical", "major", "trivial")
VALUES
('Apache', '2', '3', '2'),
('Eclipse', '5', '0', '4'),
('TestNg', '0', '0', '5'),
('JUnit', '0', '2', '7');
Query #1
SELECT * FROM test
ORDER BY "critical" DESC, "major" DESC, "trivial" DESC;
| name | critical | major | trivial |
| ------- | -------- | ----- | ------- |
| Eclipse | 5 | 0 | 4 |
| Apache | 2 | 3 | 2 |
| JUnit | 0 | 2 | 7 |
| TestNg | 0 | 0 | 5 |
Answered by nbk on December 17, 2021
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