BiteTheDDDDt opened a new pull request, #64019:
URL: https://github.com/apache/doris/pull/64019
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary: The scan operator unconditionally skipped VARBINARY column
predicate and TopN runtime predicate pushdown. The commit that introduced the
guard was for external Parquet/file scan reader predicate limitations, so
applying it in the shared scan path also blocked non-file scans. This change
adds a scan-operator hook for column predicate pushdown capability, keeps the
default permissive, and makes FileScanOperatorX reject VARBINARY column
predicates.
### Release note
None
### Check List (For Author)
- Test: Manual test
- ./build.sh --be
- build-support/check-format.sh
- build-support/run-clang-tidy.sh (fails due existing jni-util.h
static_assert analysis errors and pre-existing scan_operator.cpp
complexity/style diagnostics)
- Behavior changed: Yes. VARBINARY predicate pushdown is only blocked by
file scan now.
- Does this need documentation: No
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