yujun777 commented on code in PR #46303:
URL: https://github.com/apache/doris/pull/46303#discussion_r1903841602
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fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/RangeInference.java:
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@@ -154,7 +155,11 @@ private ValueDesc simplify(ExpressionRewriteContext
context,
List<ValueDesc> valuePerRefs = Lists.newArrayList();
for (Entry<Expression, Collection<ValueDesc>> referenceValues :
groupByReference.asMap().entrySet()) {
+ Expression reference = referenceValues.getKey();
List<ValueDesc> valuePerReference = (List)
referenceValues.getValue();
+ if (!isAnd) {
+ valuePerReference = ValueDesc.unionDiscreteAndRange(context,
reference, valuePerReference);
Review Comment:
this union values are belong to the same reference. For production sql, may
be it's hard to have 10k disjunction for one reference ?
what's more, the unionDiscreteAndRange's complexity should be O(N * logN)
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