TimeSubtract

Not available in this language yet.
Not available in this language yet.
TimeSubtract( base, offset, unit )
TimeSubtract( base, offset, unit )
Not available in this language yet.
TimeSubtract( base, offset, unit )

Description

The TimeSubtract function decreases a base Timestamp or Date by subtracting the offset in units.

Parameters

Argument Type Definition and Requirements

base

Timestamp or Date

A timestamp or date to subtract from. base must match the type of unit.

offset

Number

The number of units to subtract from base.

unit

String

The offset's unit.

When base is a Date, unit must be one of day or days.

When base is a Timestamp, unit must be one of:

  • day, or days

  • half day, or half days

  • hour, or hours

  • minute, or minutes

  • second, or seconds

  • millisecond, or milliseconds

  • microsecond, or microseconds

  • nanosecond, or nanoseconds

Returns

When base is a Date, a new Date which represents base with offset units subtracted from it.

When base is a Timestamp, a new Timestamp which represents base with offset units subtracted from it.

Examples

The following query subtracts 1 second from 1 day after Unix epoch:

Not available in this language yet.
Not available in this language yet.
Not available in this language yet.
System.out.println(
    client.query(
        TimeSubtract(Epoch(1, "day"), 1, "second")
    ).get());
client.query(
  q.TimeSubtract(q.Epoch(1, 'day'), 1, 'second')
)
.then((ret) => console.log(ret))
Not available in this language yet.
println(Await.result(
  client.query(
    TimeSubtract(Epoch(1, "day"), 1, "second")
  ),
  5.seconds
))
1970-01-01T23:59:59Z
Time("1970-01-01T23:59:59Z")
1970-01-01T23:59:59Z

The following query returns a Timestamp 5 seconds in the past before now:

Not available in this language yet.
Not available in this language yet.
Not available in this language yet.
System.out.println(
    client.query(
        Arr(
            Now(),
            TimeSubtract(Now(), 5, "seconds")
        )
    ).get());
client.query([
  q.Now(),
  q.TimeSubtract(q.Now(), 5, 'seconds'),
])
.then((ret) => console.log(ret))
Not available in this language yet.
println(Await.result(
  client.query(
    Arr(
      Now(),
      TimeSubtract(Now(), 5, "seconds")
    )
  ),
  5.seconds
))
[2019-10-22T16:45:19.223863Z, 2019-10-22T16:45:14.223863Z]
[ Time("2019-10-22T16:45:19.755048Z"),
  Time("2019-10-22T16:45:14.755048Z") ]
[2019-10-22T16:45:19.223863Z, 2019-10-22T16:45:14.223863Z]

The following query returns a Date 1 day before 2019-11-26:

Not available in this language yet.
Not available in this language yet.
Not available in this language yet.
System.out.println(
    client.query(
        TimeSubtract(Date("2019-11-26"), 1, "day")
    ).get());
client.query(
  q.TimeSubtract(q.Date('2019-11-26'), 1, 'day')
)
.then((ret) => console.log(ret))
Not available in this language yet.
println(Await.result(
  client.query(
    TimeSubtract(Date("2019-11-26"), 1, "day")
  ),
  5.seconds
))
2019-11-25
Date("2019-11-25")
2019-11-25

Was this article helpful?

We're sorry to hear that.
Tell us how we can improve!
 Visit Fauna's Discourse forums or email docs@fauna.com

Thank you for your feedback!