# TestDaynameArithmetic
select dayname("1962-03-01")+0;
select dayname("1962-03-02")+0;
select dayname("1962-03-03")+0;
select dayname("1962-03-04")+0;
select dayname("1962-03-05")+0;
select dayname("1962-03-06")+0;
select dayname("1962-03-07")+0;
select dayname("1962-03-08")+0;
select dayname("1962-03-01")+1;
select dayname("1962-03-01")+2;
select dayname("1962-03-01")+3;
select dayname("1962-03-01")+4;
select dayname("1962-03-01")+5;
select dayname("1962-03-01")+6;
select dayname("1962-03-01")+7;
select dayname("1962-03-01")+2333;
select dayname("1962-03-01")+2.333;
select dayname("1962-03-01")>2;
select dayname("1962-03-01")<2;
select dayname("1962-03-01")=3;
select dayname("1962-03-01")!=3;
select dayname("1962-03-01")<4;
select dayname("1962-03-01")>4;
select !dayname("1962-03-01");
select dayname("1962-03-01")&1;
select dayname("1962-03-01")&3;
select dayname("1962-03-01")&7;
select dayname("1962-03-01")|1;
select dayname("1962-03-01")|3;
select dayname("1962-03-01")|7;
select dayname("1962-03-01")^1;
select dayname("1962-03-01")^3;
select dayname("1962-03-01")^7;

# TestTimestampDatumEncode
drop table if exists t;
create table t (a bigint primary key, b timestamp);
insert into t values (1, "2019-04-29 11:56:12");
explain format = 'brief' select * from t where b = (select max(b) from t);
select * from t where b = (select max(b) from t);

# TestDateTimeAddReal
SELECT "1900-01-01 00:00:00" + INTERVAL 1.123456789e3 SECOND;
SELECT 19000101000000 + INTERVAL 1.123456789e3 SECOND;
select date("1900-01-01") + interval 1.123456789e3 second;
SELECT "1900-01-01 00:18:43.456789" - INTERVAL 1.123456789e3 SECOND;
SELECT 19000101001843.456789 - INTERVAL 1.123456789e3 SECOND;
SELECT 19000101000000.0005 + INTERVAL 0.0005 SECOND;
select date("1900-01-01") - interval 1.123456789e3 second;
select 19000101000000 - interval 1.123456789e3 second;

# TestDateTimeAddString
SELECT "1900-01-01 00:00:00" + INTERVAL "2" HOUR;
SELECT "1900-01-01 00:00:00" + INTERVAL "-2" HOUR;
SELECT "1900-01-01 00:00:00" + INTERVAL "128" HOUR;
SELECT "1900-01-01 00:00:00" + INTERVAL "1e+3" HOUR;
SELECT "1900-01-01 00:00:00" + INTERVAL "1+1" HOUR;
drop table if exists t;
create table t (id int primary key auto_increment, a varchar(32));
insert into t (a) values(''), ('+1'), ('+1+2'), ('-1'), ('2.2'), ('2.9'), ('2.2+1'), ('2+2.2'), ('5-2'), ('1e2'),
('true'), ('false'), ('xxx'), ('xxx+1'), ('xxx1'), ('   1   '), ('xxx-1'),
('9223372036854775808'), ('-9223372036854775809'), ('9223372036854775808-02'), ('-9223372036854775809-02');
select id, a, "1900-01-01 00:00:00" + INTERVAL a MICROSECOND as result from t order by id ASC;
select id, a, "1900-01-01 00:00:00" + INTERVAL a SECOND as result from t order by id ASC;
select id, a, "1900-01-01 00:00:00" + INTERVAL a MINUTE as result from t order by id ASC;
select id, a, "1900-01-01 00:00:00" + INTERVAL a HOUR as result from t order by id ASC;
select id, a, "1900-01-01 00:00:00" + INTERVAL a DAY as result from t order by id ASC;
select id, a, "1900-01-01 00:00:00" + INTERVAL a WEEK as result from t order by id ASC;
select id, a, "1900-01-01 00:00:00" + INTERVAL a MONTH as result from t order by id ASC;
select id, a, "1900-01-01 00:00:00" + INTERVAL a QUARTER as result from t order by id ASC;
select id, a, "1900-01-01 00:00:00" + INTERVAL a YEAR as result from t order by id ASC;

# TestAddIntervalSpecialCase
select "1900-01-01 00:00:00" + INTERVAL true MICROSECOND;
select "1900-01-01 00:00:00" + INTERVAL "1.2" MICROSECOND;
select "1900-01-01 00:00:00" + INTERVAL "1.9" MINUTE;
select "1900-01-01 00:00:00" + INTERVAL 1.2 MICROSECOND;
select "1900-01-01 00:00:00" + INTERVAL 1.9 MICROSECOND;
select "1900-01-01 00:00:00" + INTERVAL true SECOND;
select "1900-01-01 00:00:00" + INTERVAL 1.2 SECOND;
select "1900-01-01 00:00:00" + INTERVAL "1+2" SECOND;
select "1900-01-01 00:00:00" + INTERVAL "1.2+2" SECOND;
select "1900-01-01 00:00:00" + INTERVAL "1+2.2" SECOND;
select "1900-01-01 00:00:00" + INTERVAL "0.000001" SECOND;
select "1900-01-01 00:00:00" + INTERVAL "0.0000009" SECOND;
select "1900-01-01 00:00:00" + INTERVAL true MINUTE;
select "1900-01-01 00:00:00" + INTERVAL "1.2" MINUTE;
select "1900-01-01 00:00:00" + INTERVAL "1.9" MINUTE;
select "1900-01-01 00:00:00" + INTERVAL 1.2 MINUTE;
select "1900-01-01 00:00:00" + INTERVAL 1.9 MINUTE;

# TestDecimalConvertToTime
# for issue #9770
drop table if exists t;
create table t(a datetime(6), b timestamp);
insert t values (20010101100000.123456, 20110707101112.123456);
select * from t;

# TestDateAddForNonExistingTimestamp
set time_zone = 'CET';
drop table if exists t;
create table t(ts timestamp);
set time_zone = 'UTC';
insert into t values('2022-03-27 00:30:00');
insert into t values('2022-10-30 00:30:00');
insert into t values('2022-10-30 01:30:00');
set time_zone = 'Europe/Amsterdam';
-- error 1292
insert into t values('2022-03-27 02:30:00');
select date_add(ts, interval 1 hour) from t order by ts;
set time_zone = default;

# TestTimestampAddWithFractionalSecond
drop table if exists t;
create table t(a date);
insert into t values ('2021-08-20');
select timestampadd(microsecond, 1, a) from t;
select timestampadd(second, 6/4, a) from t;
select timestampadd(second, 9.9999e2, a) from t;
select timestampadd(second, 1, '2021-08-20 00:00:01.0001');
select timestampadd(minute, 1.5, '2021-08-20 00:00:00');
select timestampadd(minute, 1.5, '2021-08-20 00:00:00.0001');
--enable_warnings
SELECT timestampadd(year,1.212208e+308,'1995-01-05 06:32:20.859724') as result;
--disable_warnings

# TestDatetimeMicrosecond
# for int
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2 SECOND_MICROSECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2 MINUTE_MICROSECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2 HOUR_MICROSECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2 DAY_MICROSECOND);
# for decimal
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 HOUR_MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 MINUTE_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 YEAR_MONTH);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 DAY_HOUR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 DAY_MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 DAY_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 HOUR_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 YEAR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 QUARTER);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 MONTH);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 WEEK);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 DAY);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 HOUR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL 2.2 MICROSECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 HOUR_MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 MINUTE_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 YEAR_MONTH);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 DAY_HOUR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 DAY_MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 DAY_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 HOUR_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 YEAR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 QUARTER);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 MONTH);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 WEEK);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 DAY);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 HOUR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 MICROSECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" HOUR_MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" MINUTE_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" YEAR_MONTH);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" DAY_HOUR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" DAY_MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" DAY_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" HOUR_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" YEAR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" QUARTER);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" MONTH);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" WEEK);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" DAY);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" HOUR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" MICROSECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" HOUR_MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" MINUTE_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" YEAR_MONTH);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" DAY_HOUR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" DAY_MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" DAY_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" HOUR_SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.+2" SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.*2" SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2./2" SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.a2" SECOND);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" YEAR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" QUARTER);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" MONTH);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" WEEK);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" DAY);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" HOUR);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" MINUTE);
select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" MICROSECOND);
# select DATE_ADD('2007-03-28 22:08:28',INTERVAL -2.2 SECOND);

# TestExprDateTimeOnDST
set @@session.time_zone = 'Europe/Amsterdam';
drop table if exists t;
create table t (id int, dt datetime, primary key (id, dt));
insert into t values (1, date_add('2023-03-26 00:00:00', interval 2 hour));
insert into t values (4,'2023-03-26 02:00:00');
select * from t;
set time_zone = default;

# TestGreatestTimeType
drop table if exists t1;
create table t1(c_time time(5), c_dt datetime(4), c_ts timestamp(3), c_d date, c_str varchar(100));
insert into t1 values('-800:10:10', '2021-10-10 10:10:10.1234', '2021-10-10 10:10:10.1234', '2021-10-11', '2021-10-10 10:10:10.1234');
set @@tidb_enable_vectorized_expression = off;
select greatest(c_time, c_time) from t1;
select greatest(c_dt, c_dt) from t1;
select greatest(c_ts, c_ts) from t1;
select greatest(c_d, c_d) from t1;
select greatest(c_str, c_str) from t1;
select least(c_time, c_time) from t1;
select least(c_dt, c_dt) from t1;
select least(c_ts, c_ts) from t1;
select least(c_d, c_d) from t1;
select least(c_str, c_str) from t1;
select greatest(c_time, cast('10:01:01' as time)) from t1;
select least(c_time, cast('10:01:01' as time)) from t1;
select greatest(c_d, cast('1999-10-10' as date)) from t1;
select least(c_d, cast('1999-10-10' as date)) from t1;
select greatest(c_dt, cast('1999-10-10 10:10:10.1234' as datetime)) from t1;
select least(c_dt, cast('1999-10-10 10:10:10.1234' as datetime)) from t1;
set @@tidb_enable_vectorized_expression = on;
select greatest(c_time, c_time) from t1;
select greatest(c_dt, c_dt) from t1;
select greatest(c_ts, c_ts) from t1;
select greatest(c_d, c_d) from t1;
select greatest(c_str, c_str) from t1;
select least(c_time, c_time) from t1;
select least(c_dt, c_dt) from t1;
select least(c_ts, c_ts) from t1;
select least(c_d, c_d) from t1;
select least(c_str, c_str) from t1;
select greatest(c_time, cast('10:01:01' as time)) from t1;
select least(c_time, cast('10:01:01' as time)) from t1;
select greatest(c_d, cast('1999-10-10' as date)) from t1;
select least(c_d, cast('1999-10-10' as date)) from t1;
select greatest(c_dt, cast('1999-10-10 10:10:10.1234' as datetime)) from t1;
select least(c_dt, cast('1999-10-10 10:10:10.1234' as datetime)) from t1;
set @@tidb_enable_vectorized_expression = default;

# TestDatetimeOverflow
drop table if exists t1;
create table t1 (d date);
set sql_mode='traditional';
-- error 1441
insert into t1 (d) select date_add('2000-01-01',interval 8000 year);
-- error 1441
insert into t1 (d) select date_sub('2000-01-01', INTERVAL 2001 YEAR);
-- error 1441
insert into t1 (d) select date_add('9999-12-31',interval 1 year);
-- error 1441
insert into t1 (d) select date_add('9999-12-31',interval 1 day);
set sql_mode='';
insert into t1 (d) select date_add('2000-01-01',interval 8000 year);
insert into t1 (d) select date_sub('2000-01-01', INTERVAL 2001 YEAR);
insert into t1 (d) select date_add('9999-12-31',interval 1 year);
insert into t1 (d) select date_add('9999-12-31',interval 1 day);
select * from t1;
set sql_mode=default;

# Test date add interval overflow
select "1000-01-01 00:00:00" + INTERVAL 9223372036854775808 day;
select "1000-01-01 00:00:00" + INTERVAL 18446744073709551616 day;

drop table if exists t1;
create table t1(a decimal(65, 2));
insert into t1 (a) values (1), (1.4), (1.5), (1.6), (-1), (-1.4), (-1.5), (-1.6), (-1000.5);

insert into t1 (a) values (315600000000000000), (9223372036854775808), (18446744073709551615), (18446744073709551616), (-9223372036854775808), (-9223372036854775809);
set @@tidb_enable_vectorized_expression=0;
select a, "1000-01-01 00:00:00" + INTERVAL a YEAR from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL a MINUTE from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL a MICROSECOND from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL cast(a as char) DAY from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL cast(a as signed) DAY from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL cast(a as unsigned) DAY from t1 order by a ASC;

set @@tidb_enable_vectorized_expression=1;
select a, "1000-01-01 00:00:00" + INTERVAL a YEAR from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL a MINUTE from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL a MICROSECOND from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL cast(a as char) DAY from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL cast(a as signed) DAY from t1 order by a ASC;
select a, "1000-01-01 00:00:00" + INTERVAL cast(a as unsigned) DAY from t1 order by a ASC;

create table t2(a decimal(65, 2), d datetime);
set @old_sql_mode=@@sql_mode;
set @@sql_mode='';
insert into t2 values('1',  "1000-01-01 00:00:00" + INTERVAL  "+1" YEAR);
insert into t2 values('-1',  "1000-01-01 00:00:00" + INTERVAL  "-1" YEAR);
insert into t2 values('0',  "1000-01-01 00:00:00" + INTERVAL  "XXX" YEAR);
insert into t2 values('99999',  "1000-01-01 00:00:00" + INTERVAL  99999 YEAR);
insert into t2 values('116777216',  "1000-01-01 00:00:00" + INTERVAL  116777216 YEAR);
insert into t2 values('9223372036854775809',  "1000-01-01 00:00:00" + INTERVAL  9223372036854775808 YEAR);
insert into t2 values('18446744073709551616',  "1000-01-01 00:00:00" + INTERVAL  18446744073709551616 YEAR);
insert into t2 values('-9223372036854775809', "1000-01-01 00:00:00" + INTERVAL -9223372036854775809 YEAR);
select a, d from t2 order by a ASC;

truncate table t2;
set @@sql_mode=@old_sql_mode;
insert into t2 values('1',  "1000-01-01 00:00:00" + INTERVAL  "+1" YEAR);
insert into t2 values('-1',  "1000-01-01 00:00:00" + INTERVAL  "-1" YEAR);
--error 1292
insert into t2 values('0',  "1000-01-01 00:00:00" + INTERVAL  "XXX" YEAR);
--error 1441
insert into t2 values('99999',  "1000-01-01 00:00:00" + INTERVAL  99999 YEAR);
--error 1441
insert into t2 values('116777216',  "1000-01-01 00:00:00" + INTERVAL  116777216 YEAR);
--error 1292
insert into t2 values('9223372036854775809',  "1000-01-01 00:00:00" + INTERVAL  9223372036854775808 YEAR);
--error 1292
insert into t2 values('18446744073709551616',  "1000-01-01 00:00:00" + INTERVAL  18446744073709551616 YEAR);
--error 1292
insert into t2 values('-9223372036854775809', "1000-01-01 00:00:00" + INTERVAL -9223372036854775809 YEAR);
select a, d from t2 order by a ASC;
drop table if exists t1;