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feat: impl date_add/date_sub functions (#2881)

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* feat: adds date_add and date_sub function

* test: add date function

* fix: adds interval to date returns wrong result

* fix: header

* fix: typo

* fix: timestamp resolution

* fix: capacity

* chore: apply suggestion

* fix: wrong behavior when adding intervals to timestamp, date and datetime

* chore: remove unused error

* test: refactor and add some tests
This commit is contained in:
dennis zhuang
2023-12-07 11:02:15 +08:00
committed by GitHub
parent ea80570cb1
commit 43f32f4499
14 changed files with 1076 additions and 6 deletions
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42
tests/cases/standalone/common/function/date.sql Normal file
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SELECT date_add('2023-12-06 07:39:46.222'::TIMESTAMP_MS, INTERVAL '5 day');
SELECT date_add('2023-12-06 07:39:46.222'::TIMESTAMP_MS, '5 day');
SELECT date_add('2023-12-06'::DATE, INTERVAL '3 month 5 day');
SELECT date_add('2023-12-06'::DATE, '3 month 5 day');
SELECT date_sub('2023-12-06 07:39:46.222'::TIMESTAMP_MS, INTERVAL '5 day');
SELECT date_sub('2023-12-06 07:39:46.222'::TIMESTAMP_MS, '5 day');
SELECT date_sub('2023-12-06'::DATE, INTERVAL '3 month 5 day');
SELECT date_sub('2023-12-06'::DATE, '3 month 5 day');
CREATE TABLE dates(d DATE, ts timestamp time index);
INSERT INTO dates VALUES ('1992-01-01'::DATE, 1);
INSERT INTO dates VALUES ('1993-12-30'::DATE, 2);
INSERT INTO dates VALUES ('2023-12-06'::DATE, 3);
SELECT date_add(d, INTERVAL '1 year 2 month 3 day') from dates;
SELECT date_add(d, '1 year 2 month 3 day') from dates;
SELECT date_add(ts, INTERVAL '1 year 2 month 3 day') from dates;
SELECT date_add(ts, '1 year 2 month 3 day') from dates;
SELECT date_sub(d, INTERVAL '1 year 2 month 3 day') from dates;
SELECT date_sub(d, '1 year 2 month 3 day') from dates;
SELECT date_sub(ts, INTERVAL '1 year 2 month 3 day') from dates;
SELECT date_sub(ts, '1 year 2 month 3 day') from dates;
DROP TABLE dates;