gavinchou commented on code in PR #66849:
URL: https://github.com/apache/doris/pull/66849#discussion_r3840466441
##########
be/src/storage/iterator/block_reader.cpp:
##########
@@ -75,6 +76,57 @@ Status BlockReader::next_block_with_aggregation(Block*
block, bool* eof) {
return res;
}
+// Resolves row-binlog AFTER/BEFORE companions once from the physical tablet
schema, then maps
+// their unique ids into the dense ReadSchema ordinals consumed by
BlockReader. Physical pairing
+// avoids ambiguous name lookup when a user column resembles a generated
BEFORE column.
+void BlockReader::_init_row_binlog_column_ordinals() {
Review Comment:
已调整：BEFORE ordinal、MIN_DELTA value pairs 及完整性标记统一迁移到 ReadSchema，BlockReader
现在只通过 ReadSchema 读取这些映射；同时补充了 UID 重排和异常物理布局测试。
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