CURRENT_TIMESTAMP()

Description

CURRENT_TIMESTAMP and CURRENT_TIMESTAMP() are synonyms for NOW().

Returns the current date and time as a value in YYYY-MM-DD hh:mm:ss or YYYYMMDDhhmmss format, depending on whether the function is used in string or numeric context. The value is expressed in the session time zone.

Syntax

> CURRENT_TIMESTAMP([fsp])

Arguments

Arguments	Description
fsp	Optional. If the fsp argument is given to specify a fractional seconds precision from 0 to 6, the return value includes a fractional seconds part of that many digits.

Examples

mysql> SELECT CURRENT_TIMESTAMP();
+----------------------------+
| current_timestamp()        |
+----------------------------+
| 2022-09-21 11:46:44.153777 |
+----------------------------+
1 row in set (0.00 sec)

mysql> SELECT NOW();
+----------------------------+
| now()                      |
+----------------------------+
| 2022-09-21 12:56:36.915961 |
+----------------------------+
1 row in set (0.01 sec)

create table t1 (a int primary key, b int, c int, d timestamp default current_timestamp);
insert into t1 select 1,1,1,now();
insert into t1 select 2,0,0,null;

mysql> select a,b,c,year(d) from t1;
+------+------+------+---------+
| a    | b    | c    | year(d) |
+------+------+------+---------+
|    1 |    1 |    1 |    2022 |
|    2 |    0 |    0 |    NULL |
+------+------+------+---------+
2 rows in set (0.01 sec)

Constraints

Operator + or - is not supported for using with CURRENT_TIMESTAMP now.