zclllyybb opened a new pull request, #63839:
URL: https://github.com/apache/doris/pull/63839
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary: Predicate reads in storage used a dedicated
PredicateColumnType that duplicated ordinary column behavior and kept predicate
evaluation on a separate column representation. This change removes that
dedicated type, creates ordinary value columns for predicate reads, and adds a
small storage predicate helper for typed fixed-width access and string/CHAR
access where predicate evaluation still needs those raw views. It also
preserves dictionary conversion through ColumnString, keeps CHAR trimming only
where the previous code used get_data_at semantics such as LIKE and
bloom-filter evaluation, and adds filter_by_selector support to ordinary fixed,
decimal, and string columns so selected row materialization no longer depends
on PredicateColumnType.
### Release note
None
### Check List (For Author)
- Test: Unit Test
- ./build.sh --be -j90
- ./run-be-ut.sh --run
--filter=ColumnNullableTest.*:BlockColumnPredicateTest.*:ColumnVectorTest.filter:ColumnDecimalTest.filter
-j90
- ./run-be-ut.sh --run
--filter=ColumnStringTest.filter_by_selector:ColumnDictionaryTest.filter_by_selector:ColumnDictionaryTest.convert_to_predicate_column_if_dictionary
-j90
- Behavior changed: No
- Does this need documentation: No
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