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Fix Snowflake past id generation fails when the provided duration is longer than 4 years

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This commit is contained in:
Maurus Decimus
2026-07-05 11:42:10 +02:00
parent 9908baf2eb
commit 5376d83f3a
2 changed files with 7 additions and 7 deletions
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13
crates/utils/src/snowflake.rs
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@@ -63,8 +63,9 @@ impl SnowflakeIdGenerator {
(SystemTime::UNIX_EPOCH + Duration::from_secs(DEFAULT_EPOCH))
.elapsed()
.ok()
.and_then(|elapsed| elapsed.checked_sub(period))
.map(|elapsed| (elapsed.as_millis() as u64) << (SEQUENCE_LEN + NODE_ID_LEN))
.map(|elapsed| {
(elapsed.saturating_sub(period).as_millis() as u64) << (SEQUENCE_LEN + NODE_ID_LEN)
})
}
pub fn from_timestamp(timestamp: u64) -> Option<u64> {
@@ -99,11 +100,9 @@ impl SnowflakeIdGenerator {
#[inline(always)]
pub fn past_id(&self, period: Duration) -> Option<u64> {
self.epoch
.elapsed()
.ok()
.and_then(|elapsed| elapsed.checked_sub(period))
.map(|elapsed| (elapsed.as_millis() as u64) << (SEQUENCE_LEN + NODE_ID_LEN))
self.epoch.elapsed().ok().map(|elapsed| {
(elapsed.saturating_sub(period).as_millis() as u64) << (SEQUENCE_LEN + NODE_ID_LEN)
})
}
pub fn is_valid(&self) -> bool {