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DateTimeToTimestamp (NoSQL query)

  • บทความ

APPLIES TO: NoSQL

Converts the specified date and time to a numeric timestamp. The timestamp is a signed numeric integer that measures the milliseconds since the Unix epoch.

Syntax

DateTimeToTimestamp(<date_time>)

Arguments

Description
date_time A Coordinated Universal Time (UTC) date and time string in the ISO 8601 format YYYY-MM-DDThh:mm:ss.fffffffZ.

Note

For more information on the ISO 8601 format, see ISO 8601.

Return types

Returns a signed numeric value, the current number of milliseconds that have elapsed since the Unix epoch (January 1, 1970).

Note

For more information on the Unix epoch, see Unix time.

Examples

The following example converts the date and time May 19, 2015 12:00 UTC to a timestamp.

SELECT VALUE {
    timestamp: DateTimeToTimestamp("2015-05-19T12:00:00.0000000")
}

[
  {
    "timestamp": 1432036800000
  }
]

Remarks

  • This function returns undefined if the date and time isn't a valid ISO 8601 date and time string.

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