from_utc_timestamp¶
This function is used to convert a UTC timestamp to a UNIX timestamp in a given time zone.
Syntax¶
from_utc_timestamp(string timestamp, string timezone)
Parameters¶
Parameter | Mandatory | Type | Description |
|---|---|---|---|
timestamp | Yes | DATE STRING TINYINT SMALLINT INT BIGINT | Time to be converted Date value of the DATE or STRING type, or timestamp of the TINYINT, SMALLINT, INT, or BIGINT type. The following formats are supported: yyyy-mm-dd yyyy-mm-dd hh:mi:ss yyyy-mm-dd hh:mi:ss.ff3 |
timezone | Yes | STRING | Time zone where the time to be converted belongs |
Return Values¶
The return value is of the TIMESTAMP type.
Note
If the value of timestamp is not of the DATE or STRING type, the error message "data type mismatch" is displayed.
If the value of timestamp is of the DATE or STRING type but is not in one of the supported formats, NULL is returned.
If the value of timestamp is NULL, NULL is returned.
If the value of timezone is NULL, NULL is returned.
Example Code¶
The value 1691978400000 is returned, indicating 2023-08-14 10:00:00.
select from_utc_timestamp('2023-08-14 17:00:00','PST');
The value 1691917200000 is returned, indicating 2023-08-13 17:00:00.
select from_utc_timestamp(date '2023-08-14 00:00:00','PST');
The value NULL is returned.
select from_utc_timestamp('2023-08-13',null);