BTreeIndex Charge History

ydb/core/tablet_flat/flat_page_iface.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <util/system/types.h>
+#include <util/stream/output.h>
 
 namespace NKikimr {
 namespace NTable {
@@ -51,6 +52,10 @@ namespace NPage {
         explicit operator size_t() const noexcept {
             return Historic * 31 + Index;
         }
+
+        friend inline IOutputStream& operator<<(IOutputStream& out, const TGroupId& groupId) {
+            return out << "{" << groupId.Index << "," << groupId.IsHistoric() << "}";
+        }
     };
 
     enum class EPage : ui16 {
@@ -59,7 +64,7 @@ namespace NPage {
         Index = 3,
         DataPage = 4,
         Frames = 5, /* Tagged entities to TRowId relation index     */
-        Globs = 6,  /* Just enumartion of NPageCollection::TGlobId refs    */
+        Globs = 6,  /* Just enumeration of NPageCollection::TGlobId refs    */
         Schem2 = 7, /* New version of EPage::Scheme with TLabel     */
         Opaque = 8, /* User defined content, cell value as blob     */
         Bloom = 9,  /* Bloom filter for some app. defined cells set */

ydb/core/tablet_flat/flat_part_charge.h

@@ -422,7 +422,7 @@ namespace NTable {
             const auto& scheme = Part->Scheme->HistoryGroup;
             Y_DEBUG_ABORT_UNLESS(scheme.ColsKeyIdx.size() == 3);
 
-            // Directly use the histroy key defaults with correct sort order
+            // Directly use the history key defaults with correct sort order
             const TKeyCellDefaults* keyDefaults = Part->Scheme->HistoryKeys.Get();
 
             auto first = index->LookupKey(startKey, scheme, ESeek::Lower, keyDefaults);
@@ -441,7 +441,7 @@ namespace NTable {
                 ready &= bool(page);
 
                 if (!HistoryGroups) {
-                    // don't need to caclulate prechargedFirstRowId/prechargedLastRowId
+                    // don't need to calculate prechargedFirstRowId/prechargedLastRowId
                     continue;
                 }