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try to fix datetime-diff for ms, us, ns

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This commit is contained in:
Darren Schroeder 2025-04-09 20:57:43 -05:00
parent b0f9cda9b5
commit dad810ac33
1 changed files with 39 additions and 11 deletions
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50
crates/nu-std/std/dt/mod.nu
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@ -79,7 +79,7 @@ def borrow-minute [from: record, current: record] {
def borrow-second [from: record, current: record] {
mut current = $current
$current.nanosecond = $current.nanosecond + 1_000_000_000
$current.millisecond = $current.millisecond + 1_000
$current.second = $current.second - 1
if $current.second < 0 {
$current = (borrow-minute $from $current)
@ -88,19 +88,41 @@ def borrow-second [from: record, current: record] {
$current
}
def borrow-millisecond [from: record, current: record] {
mut current = $current
$current.microsecond = $current.microsecond + 1_000
$current.millisecond = $current.millisecond - 1
if $current.millisecond < 0 {
$current = (borrow-second $from $current)
}
$current
}
def borrow-microsecond [from: record, current: record] {
mut current = $current
$current.nanosecond = $current.nanosecond + 1_000
$current.microsecond = $current.microsecond - 1
if $current.microsecond < 0 {
$current = (borrow-borrow-millisecond $from $current)
}
$current
}
# Subtract later from earlier datetime and return the unit differences as a record
@example "Get the difference between two dates" {
dt datetime-diff 2023-05-07T04:08:45+12:00 2019-05-10T09:59:12-07:00
dt datetime-diff 2023-05-07T04:08:45.582926123+12:00 2019-05-10T09:59:12.967486456-07:00
} --result {
year: 3,
month: 11,
day: 26,
hour: 23,
minute: 9,
second: 33,
millisecond: 0,
microsecond: 0,
nanosecond: 0,
second: 32,
millisecond: 615,
microsecond: 439,
nanosecond: 667,
}
export def datetime-diff [
later: datetime, # a later datetime
@ -149,14 +171,20 @@ export def datetime-diff [
$result = (borrow-minute $from_expanded $result)
}
$result.nanosecond = $from_expanded.nanosecond - $to_expanded.nanosecond
if $result.nanosecond < 0 {
$result.millisecond = $from_expanded.millisecond - $to_expanded.millisecond
if $result.millisecond < 0 {
$result = (borrow-second $from_expanded $result)
}
$result.millisecond = ($result.nanosecond / 1_000_000 | into int) # don't want a float
$result.microsecond = (($result.nanosecond mod 1_000_000) / 1_000 | into int)
$result.nanosecond = ($result.nanosecond mod 1_000 | into int)
$result.microsecond = $from_expanded.microsecond - $to_expanded.microsecond
if $result.microsecond < 0 {
$result = (borrow-millisecond $from_expanded $result)
}
$result.nanosecond = $from_expanded.nanosecond - $to_expanded.nanosecond
if $result.nanosecond < 0 {
$result = (borrow-microsecond $from_expanded $result)
}
$result
}