yujun777 commented on code in PR #53697:
URL: https://github.com/apache/doris/pull/53697#discussion_r2241992177
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fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeV2Literal.java:
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@@ -67,7 +69,9 @@ private void roundMicroSecond(int scale) {
"invalid datetime v2 scale: %s", scale);
double factor = Math.pow(10, 6 - scale);
- this.microSecond = Math.round(this.microSecond / factor) * (int)
factor;
+ if (microSecond > Math.pow(10, scale)) {
Review Comment:
microsecond = 1, change scale from 6 to 5, then need round microsecond
= (1 / 10) * 10 = 0
if add line 72, it will not round
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