englefly opened a new pull request, #63229:
URL: https://github.com/apache/doris/pull/63229
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary: cardinality/map_size on element_at(map, key) was collected
as an OFFSET-only access path. element_at(map, key) still needs map keys for
lookup, and pushing a nested *.OFFSET predicate path can make BE route OFFSET
to an array item child and fail with an invalid access path. Fall back to
normal element access for these expressions while preserving OFFSET-only
optimization for direct array/map cardinality.
### Release note
None
### Check List (For Author)
- Test: Unit Test
- tools/fast-compile-fe.sh
- FE_UT_PARALLEL=0 ./run-fe-ut.sh --run
org.apache.doris.nereids.rules.rewrite.PruneNestedColumnTest#testCardinalityMapElementDoesNotUseOffsetPath
- FE_UT_PARALLEL=0 ./run-fe-ut.sh --run
org.apache.doris.nereids.rules.rewrite.PruneNestedColumnTest#testStructRootMapMixedAccessKeepsKeysPath+testCardinalityMapElementDoesNotUseOffsetPath
- cd fe && mvn checkstyle:check -pl fe-core -q
- ./build.sh --fe
- Behavior changed: No
- Does this need documentation: No
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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