BiteTheDDDDt opened a new pull request, #63166:
URL: https://github.com/apache/doris/pull/63166
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary: Predicate inference stripped widening integral casts like
CAST(INT AS BIGINT), which could derive invalid INT = BIGINT predicates and
push them into scan common exprs. Scan-side datelike casts also dereferenced
unexpected input columns directly, so bad runtime-filter/common-expr inputs
could become BE crashes instead of errors.
This patch keeps widening integral casts during predicate inference, adds BE
cast input column validation, and adds a p0 regression derived from
output/fmt.sql for the scan common expr failure.
### Release note
Fix query failures or crashes caused by invalid inferred cast predicates in
scan/runtime-filter paths.
### Check List (For Author)
- Test: Manual test
- BE format check: build-support/check-format.sh --files
be/src/exprs/function/cast/cast_to_date.h
- FE checkstyle: cd fe && mvn checkstyle:check -pl fe-core
-Dcheckstyle.includes=src/main/java/org/apache/doris/nereids/util/PredicateInferUtils.java,src/test/java/org/apache/doris/nereids/rules/rewrite/UnequalPredicateInferTest.java
-q
- Manual SQL: full output/fmt.sql reproduces the old scan common expr
error; disabling INFER_PREDICATES returns the expected rows
- Behavior changed: Yes, integral widening casts are no longer stripped for
predicate inference
- Does this need documentation: No
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