address PR issues

Author: Enjection

ydb/core/tx/schemeshard/schemeshard__backup_collection_common.cpp

@@ -164,6 +164,11 @@ std::optional<THashMap<TString, THashSet<TString>>> GetBackupRequiredPaths(
                 if (childPath->PathType != NKikimrSchemeOp::EPathTypeTableIndex) {
                     continue;
                 }
+                
+                // Skip deleted indexes
+                if (childPath->Dropped()) {
+                    continue;
+                }
 
                 auto indexInfo = context.SS->Indexes.at(childPathId);
                 if (indexInfo->Type != NKikimrSchemeOp::EIndexTypeGlobal) {

ydb/core/tx/schemeshard/schemeshard__operation_backup_backup_collection.cpp

@@ -183,6 +183,11 @@ TVector<ISubOperation::TPtr> CreateBackupBackupCollection(TOperationId opId, con
                         continue;
                     }
 
+                    // Skip deleted indexes
+                    if (childPath->Dropped()) {
+                        continue;
+                    }
+                    
                     // Get index info and filter for global sync only
                     // We need more complex logic for vector indexes in future
                     auto indexInfo = context.SS->Indexes.at(childPathId);

ydb/core/tx/schemeshard/schemeshard__operation_backup_incremental_backup_collection.cpp

@@ -246,6 +246,11 @@ TVector<ISubOperation::TPtr> CreateBackupIncrementalBackupCollection(TOperationI
                 if (childPath->PathType != NKikimrSchemeOp::EPathTypeTableIndex) {
                     continue;
                 }
+                
+                // Skip deleted indexes
+                if (childPath->Dropped()) {
+                    continue;
+                }
 
                 // Get index info and filter for global sync only
                 auto indexInfo = context.SS->Indexes.at(childPathId);