yihua commented on code in PR #13711:
URL: https://github.com/apache/hudi/pull/13711#discussion_r2359610528
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hudi-common/src/main/java/org/apache/hudi/common/util/DateTimeUtils.java:
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@@ -71,6 +77,41 @@ public static long instantToMicros(Instant instant) {
}
}
+ public static long instantToNanos(Instant instant) {
+ long seconds = instant.getEpochSecond();
+ int nanos = instant.getNano();
+
+ if (seconds < 0 && nanos > 0) {
+ // Shift seconds by +1, then subtract a full second in nanos
+ long totalNanos = Math.multiplyExact(seconds + 1, 1_000_000_000L);
+ long adjustment = nanos - 1_000_000_000L;
+ return Math.addExact(totalNanos, adjustment);
+ } else {
+ long totalNanos = Math.multiplyExact(seconds, 1_000_000_000L);
+ return Math.addExact(totalNanos, nanos);
+ }
+ }
Review Comment:
Got it. Add a code comment on the copying/adaptation?
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