stdpain commented on a change in pull request #5491:
URL: https://github.com/apache/incubator-doris/pull/5491#discussion_r592512646
##########
File path: be/src/exec/olap_utils.h
##########
@@ -207,6 +207,9 @@ inline SQLFilterOp to_olap_filter_type(TExprOpcode::type
type, bool opposite) {
case TExprOpcode::NE:
return opposite ? FILTER_IN : FILTER_NOT_IN;
+ case TExprOpcode::EQ_FOR_NULL:
Review comment:
It's OK.
case 1:
```sql
select * from t1 where k1 <=> 1;
```
It's equals to EQ
case 2:
```
select * from t1 where k1 <=> null;
```
type of k1 will not equals to LITERAL_NULL, so storage engine will not use
this conjunct
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