wangbo commented on a change in pull request #3396:
URL: https://github.com/apache/incubator-doris/pull/3396#discussion_r417730477
##########
File path: fe/src/main/java/org/apache/doris/analysis/CaseExpr.java
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@@ -251,4 +257,72 @@ public void analyzeImpl(Analyzer analyzer) throws
AnalysisException {
}
return exprs;
}
+
+ // this method just compare literal value and not completely consistent
with be,for two cases
+ // 1 not deal float
+ // 2 just compare literal value with same type. for a example sql 'select
case when 123 then '1' else '2' end as col'
+ // for be will return '1', because be only regard 0 as false
+ // but for current LiteralExpr.compareLiteral, `123`' won't be regard
as true
+ // the case which two values has different type left to be
+ public static Expr computeCaseExpr(CaseExpr expr) {
+ LiteralExpr caseExpr;
+ int startIndex = 0;
Review comment:
yes, be logic is right.I'll fix it
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