fix (#20686)

XJIE6 · web-flow · commit a84fcc2e321b · 2025-07-07T10:42:41.000Z
diff --git a/ydb/core/tx/columnshard/engines/portions/data_accessor.cpp b/ydb/core/tx/columnshard/engines/portions/data_accessor.cpp
@@ -37,8 +37,8 @@ TPortionDataAccessor::TPreparedBatchData PrepareForAssembleImpl(const TPortionDa
         if ((it == portionData.GetRecordsVerified().end() || i < it->GetColumnId())) {
             if (restoreAbsent || IIndexInfo::IsSpecialColumn(i)) {
                 columns.emplace_back(rowsCount, dataSchema.GetColumnLoaderOptional(i), resultSchema.GetColumnLoaderVerified(i));
+                portionInfo.FillDefaultColumn(columns.back(), defaultSnapshot);
             }
-            portionInfo.FillDefaultColumn(columns.back(), defaultSnapshot);
         }
         if (it == portionData.GetRecordsVerified().end()) {
             continue;

Original file line number	Diff line number	Diff line change
`@@ -37,8 +37,8 @@ TPortionDataAccessor::TPreparedBatchData PrepareForAssembleImpl(const TPortionDa`
`37`	`37`	`if ((it == portionData.GetRecordsVerified().end() \|\| i < it->GetColumnId())) {`
`38`	`38`	`if (restoreAbsent \|\| IIndexInfo::IsSpecialColumn(i)) {`
`39`	`39`	`columns.emplace_back(rowsCount, dataSchema.GetColumnLoaderOptional(i), resultSchema.GetColumnLoaderVerified(i));`
	`40`	`+ portionInfo.FillDefaultColumn(columns.back(), defaultSnapshot);`
`40`	`41`	`}`
`41`		`- portionInfo.FillDefaultColumn(columns.back(), defaultSnapshot);`
`42`	`42`	`}`
`43`	`43`	`if (it == portionData.GetRecordsVerified().end()) {`
`44`	`44`	`continue;`