luwei16 opened a new pull request, #66553:
URL: https://github.com/apache/doris/pull/66553
### What problem does this PR solve?
Issue Number: close #65951
Related PR: #65810
Problem Summary: Row Binlog AFTER value columns are nullable even when their
source columns are NOT NULL. Complex source columns then provide no top-level
null map, so nullable ARRAY, MAP, and STRUCT writers wrote payloads without
advancing their physical null child. Segment finalization aborted while
building the empty child ordinal index. Normalize a missing source null map to
an all-non-null map for nullable destinations and verify full and partial Row
Binlog writes and readback.
### Release note
Fix a BE crash when Row Binlog writes NOT NULL complex columns into nullable
AFTER columns.
### Check List (For Author)
- Test: Unit Test
- `./run-be-ut.sh --run
--filter=SegmentFlusherTransformFormatTest.RowBinlogWritesNotNullComplexColumnsToNullableAfterColumns
-j 16`
- `./build.sh --be -j96`
- Behavior changed: Yes (nullable destinations now persist an all-non-null
map when source data has no explicit null map)
- Does this need documentation: No
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