Astralidea commented on a change in pull request #4445:
URL: https://github.com/apache/incubator-doris/pull/4445#discussion_r476372131
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File path:
fe/fe-core/src/main/java/org/apache/doris/analysis/BinaryPredicate.java
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@@ -307,6 +307,16 @@ private Type getCmpType() {
return Type.LARGEINT;
}
+ // Try parse varchar to bigint
+ if (t1 == PrimitiveType.BIGINT && t2 == PrimitiveType.VARCHAR) {
Review comment:
> Because we have `NormalizeBinaryPredicatesRule`. You could only
consider slot in left and string Literal in right
但是我试了一下，如果我注释掉代码后，如果SQL这么写，还是转成Double了，虽然很少有人这么写SQL。
explain select count()
from app_rt_flow_poi_intent_uv_price_v2
where '20200730'=datekey
回头我看一下NormalizeBinaryPredicatesRule的原理。
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