feat: adds date_format function (#3167)

* feat: adds date_format function

* fix: compile error

* chore: use system timezone for FunctionContext and EvalContext

* test: as_formatted_string

* test: sqlness test

* chore: rename function
This commit is contained in:
dennis zhuang
2024-01-17 11:24:40 +08:00
committed by GitHub
parent d020a3db23
commit 204b9433b8
18 changed files with 651 additions and 61 deletions

View File

@@ -1,3 +1,4 @@
--- date_add ---
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');
@@ -6,6 +7,7 @@ SELECT date_add('2023-12-06'::DATE, INTERVAL '3 month 5 day');
SELECT date_add('2023-12-06'::DATE, '3 month 5 day');
--- date_sub ---
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');
@@ -14,7 +16,17 @@ SELECT date_sub('2023-12-06'::DATE, INTERVAL '3 month 5 day');
SELECT date_sub('2023-12-06'::DATE, '3 month 5 day');
--- date_format ---
SELECT date_format('2023-12-06 07:39:46.222'::TIMESTAMP_MS, '%Y-%m-%d %H:%M:%S:%3f');
SELECT date_format('2023-12-06 07:39:46.222'::TIMESTAMP_S, '%Y-%m-%d %H:%M:%S:%3f');
--- datetime not supported yet ---
SELECT date_format('2023-12-06 07:39:46.222'::DATETIME, '%Y-%m-%d %H:%M:%S:%3f');
SELECT date_format('2023-12-06'::DATE, '%m-%d');
--- test date functions with table rows ---
CREATE TABLE dates(d DATE, ts timestamp time index);
INSERT INTO dates VALUES ('1992-01-01'::DATE, 1);
@@ -23,6 +35,7 @@ INSERT INTO dates VALUES ('1993-12-30'::DATE, 2);
INSERT INTO dates VALUES ('2023-12-06'::DATE, 3);
--- date_add ---
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;
@@ -31,6 +44,7 @@ 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;
--- date_sub ---
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;
@@ -39,4 +53,9 @@ 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;
--- date_format ---
SELECT date_format(d, '%Y-%m-%d %H:%M:%S:%3f') from dates;
SELECT date_format(ts, '%Y-%m-%d %H:%M:%S:%3f') from dates;
DROP TABLE dates;