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drop table if exists t1;
create table t1 (t time);
insert into t1 values("10:22:33"),("12:34:56.78"),(10),(1234),(123456.78),(1234559.99),("1"),("1:23"),("1:23:45"), ("10.22"), ("-10 1:22:33.45"),("20 10:22:33"),("1999-02-03 20:33:34");
insert t1 values (30),(1230),("1230"),("12:30"),("12:30:35"),("1 12:30:31.32");
select * from t1;
t
10:22:33
12:34:56
00:00:10
00:12:34
12:34:56
123:45:59
00:00:01
01:23:00
01:23:45
00:00:10
-241:22:33
490:22:33
20:33:34
00:00:30
00:12:30
00:12:30
12:30:00
12:30:35
36:30:31
insert into t1 values("10.22.22"),(1234567),(123456789),(123456789.10),("10 22:22"),("12.45a");
Warnings:
Warning 1265 Data truncated for column 't' at row 1
Warning 1264 Out of range value adjusted for column 't' at row 2
Warning 1264 Out of range value adjusted for column 't' at row 3
Warning 1264 Out of range value adjusted for column 't' at row 4
Warning 1265 Data truncated for column 't' at row 6
select * from t1;
t
10:22:33
12:34:56
00:00:10
00:12:34
12:34:56
123:45:59
00:00:01
01:23:00
01:23:45
00:00:10
-241:22:33
490:22:33
20:33:34
00:00:30
00:12:30
00:12:30
12:30:00
12:30:35
36:30:31
00:00:10
00:00:00
838:59:59
838:59:59
262:22:00
00:00:12
drop table t1;
create table t1 (t time);
insert into t1 values ('09:00:00'),('13:00:00'),('19:38:34'), ('13:00:00'),('09:00:00'),('09:00:00'),('13:00:00'),('13:00:00'),('13:00:00'),('09:00:00');
select t, time_to_sec(t),sec_to_time(time_to_sec(t)) from t1;
t time_to_sec(t) sec_to_time(time_to_sec(t))
09:00:00 32400 09:00:00
13:00:00 46800 13:00:00
19:38:34 70714 19:38:34
13:00:00 46800 13:00:00
09:00:00 32400 09:00:00
09:00:00 32400 09:00:00
13:00:00 46800 13:00:00
13:00:00 46800 13:00:00
13:00:00 46800 13:00:00
09:00:00 32400 09:00:00
select sec_to_time(time_to_sec(t)) from t1;
sec_to_time(time_to_sec(t))
09:00:00
13:00:00
19:38:34
13:00:00
09:00:00
09:00:00
13:00:00
13:00:00
13:00:00
09:00:00
drop table t1;
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