caiconghui commented on code in PR #59391:
URL: https://github.com/apache/doris/pull/59391#discussion_r2807247498
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fe/fe-core/src/main/java/org/apache/doris/nereids/util/TypeCoercionUtils.java:
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@@ -1314,7 +1315,8 @@ public static Expression
processComparisonPredicate(ComparisonPredicate comparis
if (GlobalVariable.enableNewTypeCoercionBehavior) {
commonType = findWiderTypeForTwo(left.getDataType(),
right.getDataType(), false, false);
} else {
- commonType = findWiderTypeForTwoForComparison(left.getDataType(),
right.getDataType(), false);
+ commonType = findWiderTypeForTwoForComparison(left.getDataType(),
right.getDataType(),
+ comparisonPredicate instanceof EqualTo);
Review Comment:
judge that string equal to int both cast to double is ok? which engine we
refer to?
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