current_timestamp
Obtains the current date and returns a value if the DATETIME type.
This function is a synonym of the now() function.
Syntax
DATETIME CURRENT_TIMESTAMP()
DATETIME CURRENT_TIMESTAMP(INT p)
Parameters
p
: optional, the specified precision, that is, the number of digits to retain after seconds. It must be an INT value within the range of [1,6]. select current_timestamp(0)
is equivalent to select current_timestamp()
.
Return value
- If
p
is not specified, this function returns a DATETIME value accurate to the second. - If
p
is specified, this function returns a date and time value of the specified precision.
Examples
Example 1: Return the current time.
MySQL > select current_timestamp();
+---------------------+
| current_timestamp() |
+---------------------+
| 2019-05-27 15:59:33 |
+---------------------+
Example 2: When you create a table, you can use this function for a column so that current time is the default value of the column.
CREATE TABLE IF NOT EXISTS sr_member (
sr_id INT,
name STRING,
city_code INT,
reg_date DATETIME DEFAULT current_timestamp,
verified BOOLEAN
);
keyword
CURRENT_TIMESTAMP,CURRENT,TIMESTAMP