okumin commented on code in PR #5637:
URL: https://github.com/apache/hive/pull/5637#discussion_r2166876691
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/stats/annotation/StatsRulesProcFactory.java:
##########
@@ -1166,40 +1169,42 @@ private long evaluateComparator(Statistics stats,
AnnotateStatsProcCtx aspCtx, E
return Math.round(((double) (maxValue - value) / (maxValue -
minValue)) * currNumRows);
}
}
- } else if (colTypeLowerCase.equals(serdeConstants.BIGINT_TYPE_NAME)
||
- colTypeLowerCase.equals(serdeConstants.TIMESTAMP_TYPE_NAME)) {
- long value;
- if (colTypeLowerCase.equals(serdeConstants.TIMESTAMP_TYPE_NAME)) {
- TimestampWritableV2 timestampWritable = new
TimestampWritableV2(Timestamp.valueOf(boundValue));
- value = timestampWritable.getTimestamp().toEpochSecond();
- } else {
- value = Long.parseLong(boundValue);
- }
- long maxValue = cs.getRange().maxValue.longValue();
- long minValue = cs.getRange().minValue.longValue();
+ } else if
(colTypeLowerCase.startsWith(serdeConstants.DECIMAL_TYPE_NAME) ||
+ colTypeLowerCase.equals(serdeConstants.BIGINT_TYPE_NAME)) {
+ BigDecimal value = new BigDecimal(boundValue);
+ BigDecimal maxValue = new
BigDecimal(cs.getRange().maxValue.toString());
+ BigDecimal minValue = new
BigDecimal(cs.getRange().minValue.toString());
+ int minComparison = value.compareTo(minValue);
+ int maxComparison = value.compareTo(maxValue);
Review Comment:
I personally prefer to retain the result of the intermediate computation as
an integral number
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