create schema interval_units;
set current_schema = interval_units;
select date_add('1997-12-31 23:59:59',INTERVAL 1 MICROSECOND);
date_add
----------------------------
1997-12-31 23:59:59.000001
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 microsecond);
date_add
----------------------------
1997-12-31 23:59:59.000001
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '111' MICROSECOND);
date_add
----------------------------
1997-12-31 23:59:59.000111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL 1 SECOND);
date_add
---------------------
1998-01-01 00:00:00
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 second);
date_add
---------------------
1998-01-01 00:00:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL 1 MINUTE);
date_add
---------------------
1998-01-01 00:00:59
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 minute);
date_add
---------------------
1998-01-01 00:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL 1 HOUR);
date_add
---------------------
1998-01-01 00:59:59
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 hour);
date_add
---------------------
1998-01-01 00:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL 1 DAY);
date_add
---------------------
1998-01-01 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 day);
date_add
---------------------
1998-01-01 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL 1 WEEK);
date_add
---------------------
1998-01-07 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 week);
date_add
---------------------
1998-01-07 23:59:59
(1 row)
select date_add('1995-01-05', INTERVAL '1' WEEK);
date_add
------------
1995-01-12
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL 1 MONTH);
date_add
---------------------
1998-01-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 month);
date_add
---------------------
1998-01-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL 1 QUARTER);
date_add
---------------------
1998-03-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 quarter);
date_add
---------------------
1998-03-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1' QUARTER);
date_add
---------------------
1998-03-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL 1 YEAR);
date_add
---------------------
1998-12-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',interval 1 year);
date_add
---------------------
1998-12-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:111' SECOND_MICROSECOND);
date_add
-------------------------
1998-01-01 00:00:00.111
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:111' second_microsecond);
date_add
-------------------------
1998-01-01 00:00:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1.111' SECOND_MICROSECOND);
date_add
-------------------------
1998-01-01 00:00:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 111' SECOND_MICROSECOND);
date_add
-------------------------
1998-01-01 00:00:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:111' MINUTE_MICROSECOND);
date_add
-------------------------
1998-01-01 00:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1:111' minute_microsecond);
date_add
-------------------------
1998-01-01 00:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1.111' MINUTE_MICROSECOND);
date_add
-------------------------
1998-01-01 00:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 111' MINUTE_MICROSECOND);
date_add
-------------------------
1998-01-01 00:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:111' MINUTE_MICROSECOND);
date_add
-------------------------
1998-01-01 00:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1.111' MINUTE_MICROSECOND);
date_add
-------------------------
1998-01-01 00:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 111' MINUTE_MICROSECOND);
date_add
-------------------------
1998-01-01 00:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1' MINUTE_SECOND);
date_add
---------------------
1998-01-01 00:01:00
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1' minute_second);
date_add
---------------------
1998-01-01 00:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1' MINUTE_SECOND);
date_add
---------------------
1998-01-01 00:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1:111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1:1:111' hour_microsecond);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1.111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1 111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1:111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1.111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1 111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1:111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1.111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1 111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1:111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1.111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1 111' HOUR_MICROSECOND);
date_add
-------------------------
1998-01-01 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1' HOUR_SECOND);
date_add
---------------------
1998-01-01 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1:1' hour_second);
date_add
---------------------
1998-01-01 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1' HOUR_SECOND);
date_add
---------------------
1998-01-01 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1' HOUR_SECOND);
date_add
---------------------
1998-01-01 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1' HOUR_SECOND);
date_add
---------------------
1998-01-01 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1' HOUR_MINUTE);
date_add
---------------------
1998-01-01 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1' hour_minute);
date_add
---------------------
1998-01-01 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1' HOUR_MINUTE);
date_add
---------------------
1998-01-01 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1:1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1:1:1:111' day_microsecond);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1:1.111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1:1 111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1:1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1:1.111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1:1 111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1:1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1:1.111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1:1 111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1 1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1 1.111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1 1 111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1:1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1:1.111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1:1 111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1 1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1 1.111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1 1 111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1 1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1 1.111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1 1 111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1 1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1 1.111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1 1 111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-02 01:01:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1:1' DAY_SECOND);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1:1:1' day_second);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1:1' DAY_SECOND);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1:1' DAY_SECOND);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1 1' DAY_SECOND);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1:1' DAY_SECOND);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1 1' DAY_SECOND);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1 1' DAY_SECOND);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1 1' DAY_SECOND);
date_add
---------------------
1998-01-02 01:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1:1' DAY_MINUTE);
date_add
---------------------
1998-01-02 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1:1' day_minute);
date_add
---------------------
1998-01-02 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1:1' DAY_MINUTE);
date_add
---------------------
1998-01-02 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1 1' DAY_MINUTE);
date_add
---------------------
1998-01-02 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1 1' DAY_MINUTE);
date_add
---------------------
1998-01-02 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1' DAY_HOUR);
date_add
---------------------
1998-01-02 00:59:59
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1' day_hour);
date_add
---------------------
1998-01-02 00:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1' DAY_HOUR);
date_add
---------------------
1998-01-02 00:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1' YEAR_MONTH);
date_add
---------------------
1999-01-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',interval '1:1' year_month);
date_add
---------------------
1999-01-31 23:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1 1' YEAR_MONTH);
date_add
---------------------
1999-01-31 23:59:59
(1 row)
select '2020-01-01' + interval 1 microsecond;
?column?
----------------------------
2020-01-01 00:00:00.000001
(1 row)
select '2020-01-01' + interval 1 second;
?column?
---------------------
2020-01-01 00:00:01
(1 row)
select '2020-01-01' + interval 1 minute;
?column?
---------------------
2020-01-01 00:01:00
(1 row)
select '2020-01-01' + interval 1 hour;
?column?
---------------------
2020-01-01 01:00:00
(1 row)
select '2020-01-01' + interval 1 day;
?column?
------------
2020-01-02
(1 row)
select '2020-01-01' + interval 1 week;
?column?
------------
2020-01-08
(1 row)
select '2020-01-01' + interval 1 month;
?column?
------------
2020-02-01
(1 row)
select '2020-01-01' + interval 1 quarter;
?column?
------------
2020-04-01
(1 row)
select '2020-01-01' + interval 1 year;
?column?
------------
2021-01-01
(1 row)
select '2020-01-01' + interval '1.1' second_microsecond;
?column?
-----------------------
2020-01-01 00:00:01.1
(1 row)
select '2020-01-01' + interval '1:1.1' minute_microsecond;
?column?
-----------------------
2020-01-01 00:01:01.1
(1 row)
select '2020-01-01' + interval '1:1' minute_second;
?column?
---------------------
2020-01-01 00:01:01
(1 row)
select '2020-01-01' + interval '1:1:1.1' hour_microsecond;
?column?
-----------------------
2020-01-01 01:01:01.1
(1 row)
select '2020-01-01' + interval '1:1:1' hour_second;
?column?
---------------------
2020-01-01 01:01:01
(1 row)
select '2020-01-01' + interval '1:1' hour_minute;
?column?
---------------------
2020-01-01 01:01:00
(1 row)
select '2020-01-01' + interval '1 1:1:1.1' day_microsecond;
?column?
-----------------------
2020-01-02 01:01:01.1
(1 row)
select '2020-01-01' + interval '1 1:1:1' day_second;
?column?
---------------------
2020-01-02 01:01:01
(1 row)
select '2020-01-01' + interval '1 1:1' day_minute;
?column?
---------------------
2020-01-02 01:01:00
(1 row)
select '2020-01-01' + interval '1 1' day_hour;
?column?
---------------------
2020-01-02 01:00:00
(1 row)
select '2020-01-01' + interval '1-1' year_month;
?column?
------------
2021-02-01
(1 row)
select '2020-01-01' + INTERVAL 1 MICROSECOND;
?column?
----------------------------
2020-01-01 00:00:00.000001
(1 row)
select '2020-01-01' + INTERVAL 1 SECOND;
?column?
---------------------
2020-01-01 00:00:01
(1 row)
select '2020-01-01' + INTERVAL 1 MINUTE;
?column?
---------------------
2020-01-01 00:01:00
(1 row)
select '2020-01-01' + INTERVAL 1 HOUR;
?column?
---------------------
2020-01-01 01:00:00
(1 row)
select '2020-01-01' + INTERVAL 1 DAY;
?column?
------------
2020-01-02
(1 row)
select '2020-01-01' + INTERVAL 1 WEEK;
?column?
------------
2020-01-08
(1 row)
select '2020-01-01' + INTERVAL 1 MONTH;
?column?
------------
2020-02-01
(1 row)
select '2020-01-01' + INTERVAL 1 QUARTER;
?column?
------------
2020-04-01
(1 row)
select '2020-01-01' + INTERVAL 1 YEAR;
?column?
------------
2021-01-01
(1 row)
select '2020-01-01' + INTERVAL '1.1' SECOND_MICROSECOND;
?column?
-----------------------
2020-01-01 00:00:01.1
(1 row)
select '2020-01-01' + INTERVAL '1:1.1' MINUTE_MICROSECOND;
?column?
-----------------------
2020-01-01 00:01:01.1
(1 row)
select '2020-01-01' + INTERVAL '1:1' MINUTE_SECOND;
?column?
---------------------
2020-01-01 00:01:01
(1 row)
select '2020-01-01' + INTERVAL '1:1:1.1' HOUR_MICROSECOND;
?column?
-----------------------
2020-01-01 01:01:01.1
(1 row)
select '2020-01-01' + INTERVAL '1:1:1' HOUR_SECOND;
?column?
---------------------
2020-01-01 01:01:01
(1 row)
select '2020-01-01' + INTERVAL '1:1' HOUR_MINUTE;
?column?
---------------------
2020-01-01 01:01:00
(1 row)
select '2020-01-01' + INTERVAL '1 1:1:1.1' DAY_MICROSECOND;
?column?
-----------------------
2020-01-02 01:01:01.1
(1 row)
select '2020-01-01' + INTERVAL '1 1:1:1' DAY_SECOND;
?column?
---------------------
2020-01-02 01:01:01
(1 row)
select '2020-01-01' + INTERVAL '1 1:1' DAY_MINUTE;
?column?
---------------------
2020-01-02 01:01:00
(1 row)
select '2020-01-01' + INTERVAL '1 1' DAY_HOUR;
?column?
---------------------
2020-01-02 01:00:00
(1 row)
select '2020-01-01' + INTERVAL '1-1' YEAR_MONTH;
?column?
------------
2021-02-01
(1 row)
select '2020-01-01' + INTERVAL '1-1.1' MINUTE_MICROSECOND;
?column?
-----------------------
2020-01-01 00:01:01.1
(1 row)
select '2020-01-01' + INTERVAL '1,1' MINUTE_SECOND;
?column?
---------------------
2020-01-01 00:01:01
(1 row)
select '2020-01-01' + INTERVAL '1.1;1.1' HOUR_MICROSECOND;
?column?
-----------------------
2020-01-01 01:01:01.1
(1 row)
select '2020-01-01' + INTERVAL '1|1|1' HOUR_SECOND;
?column?
---------------------
2020-01-01 01:01:01
(1 row)
select '2020-01-01' + INTERVAL '1,1' DAY_HOUR;
?column?
---------------------
2020-01-02 01:00:00
(1 row)
select '2020-01-01' + INTERVAL '1 1' YEAR_MONTH;
?column?
------------
2021-02-01
(1 row)
-- special case
select date_add('1997-12-31 23:59:59',INTERVAL '111' SECOND_MICROSECOND);
date_add
-------------------------
1997-12-31 23:59:59.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:111' MINUTE_MICROSECOND);
date_add
-------------------------
1998-01-01 00:00:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1' MINUTE_SECOND);
date_add
---------------------
1998-01-01 00:00:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '111' HOUR_MICROSECOND);
date_add
-------------------------
1997-12-31 23:59:59.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1' HOUR_SECOND);
date_add
---------------------
1998-01-01 00:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1' HOUR_MINUTE);
date_add
---------------------
1998-01-01 00:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:111' DAY_MICROSECOND);
date_add
-------------------------
1998-01-01 00:00:00.111
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1' DAY_SECOND);
date_add
---------------------
1998-01-01 00:01:00
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1:1' DAY_MINUTE);
date_add
---------------------
1998-01-01 01:00:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1' DAY_HOUR);
date_add
---------------------
1998-01-01 00:59:59
(1 row)
select date_add('1997-12-31 23:59:59',INTERVAL '1' YEAR_MONTH);
date_add
---------------------
1998-01-31 23:59:59
(1 row)
SELECT DATE_ADD('2023-01-01', INTERVAL 1 DAY);
date_add
------------
2023-01-02
(1 row)
SELECT DATE_ADD('2023-01-01', INTERVAL 1 HOUR);
date_add
---------------------
2023-01-01 01:00:00
(1 row)
SELECT DATE_ADD('2019-01-30', INTERVAL 1 MONTH);
date_add
------------
2019-02-28
(1 row)
SELECT DATE_ADD('2016-07-00', INTERVAL 1 DAY);
WARNING: Incorrect datetime value: "2016-07-00"
CONTEXT: referenced column: date_add
date_add
----------
(1 row)
SELECT '2005-03-32' + INTERVAL 1 MONTH;
WARNING: Incorrect datetime value: "2005-03-32"
?column?
----------
(1 row)
reset current_schema;
drop schema interval_units;