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

  1. > CURRENT_TIMESTAMP([fsp])

Arguments

ArgumentsDescription
fspOptional. 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

  1. mysql> SELECT CURRENT_TIMESTAMP();
  2. +----------------------------+
  3. | current_timestamp()        |
  4. +----------------------------+
  5. | 2022-09-21 11:46:44.153777 |
  6. +----------------------------+
  7. 1 row in set (0.00 sec)
  9. mysql> SELECT NOW();
  10. +----------------------------+
  11. | now()                      |
  12. +----------------------------+
  13. | 2022-09-21 12:56:36.915961 |
  14. +----------------------------+
  15. 1 row in set (0.01 sec)
  1. create table t1 (a int primary key, b int, c int, d timestamp default current_timestamp);
  2. insert into t1 select 1,1,1,now();
  3. insert into t1 select 2,0,0,null;
  5. mysql> select a,b,c,year(d) from t1;
  6. +------+------+------+---------+
  7. | a    | b    | c    | year(d) |
  8. +------+------+------+---------+
  9. |    1 |    1 |    1 |    2022 |
  10. |    2 |    0 |    0 |    NULL |
  11. +------+------+------+---------+
  12. 2 rows in set (0.01 sec)

Constraints

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