Su, Xiaomeng 76a5b1ee83 dli_sqlreference_20240227

Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>

2024-03-27 22:02:33 +00:00

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to_utc_timestamp

This function is used to convert a timestamp in a given time zone to a UTC timestamp.

Syntax

to_utc_timestamp(string timestamp, string timezone)

Parameters

**Table 1** Parameters
Parameter	Mandatory	Type	Description
timestamp	Yes	DATE STRING TINYINT SMALLINT INT BIGINT	Time to be processed 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 BIGINT type.

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 1692028800000 is returned.

select to_utc_timestamp('2023-08-14 17:00:00','PST');

The value NULL is returned.

select to_utc_timestamp(null);

Parent topic: Date Functions

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