round brackets for key prints

Author: kungasc

ydb/core/tablet_flat/flat_page_btree_index.h

@@ -285,7 +285,7 @@ namespace NKikimr::NTable::NPage {
 
             void Describe(IOutputStream& out, const TKeyCellDefaults& keyDefaults) const
             {
-                out << '{';
+                out << '(';
 
                 auto iter = Iter();
                 for (TPos pos : xrange(iter.Count())) {
@@ -297,7 +297,7 @@ namespace NKikimr::NTable::NPage {
                     out << value;
                 }
 
-                out << '}';
+                out << ')';
             }
 
         private:

ydb/core/tablet_flat/flat_part_slice.cpp

@@ -12,7 +12,7 @@ namespace {
 
 void PrintCells(IOutputStream& out, TArrayRef<const TCell> cells, const TCellDefaults& cellDefaults)
 {
-    out << '{';
+    out << '(';
     size_t pos = 0;
     for (const TCell& cell : cells) {
         if (pos != 0) {
@@ -22,7 +22,7 @@ void PrintCells(IOutputStream& out, TArrayRef<const TCell> cells, const TCellDef
         DbgPrintValue(value, cell, cellDefaults.Types[pos++]);
         out << value;
     }
-    out << '}';
+    out << ')';
 }
 
 bool ValidateSlices(TConstArrayRef<TSlice> slices) noexcept

ydb/core/tablet_flat/util_fmt_cell.h

@@ -17,7 +17,7 @@ class TPrintableTypedCells {
     }
 
     friend IOutputStream& operator<<(IOutputStream& out, const TPrintableTypedCells& v) {
-        out << '{';
+        out << '(';
         size_t pos = 0;
         for (const TCell& cell : v.Cells) {
             if (pos != 0) {
@@ -27,7 +27,7 @@ class TPrintableTypedCells {
             DbgPrintValue(value, cell, v.Types[pos++]);
             out << value;
         }
-        out << '}';
+        out << ')';
         return out;
     }