fix: enhance dead cell_outputs count query (#2213)

Signed-off-by: Miles Zhang <[email protected]>
nervosnetwork · Oct 8, 2024 · 6d8cc5e · 6d8cc5e
1 parent f24cff6
commit 6d8cc5e
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Showing 2 changed files with 11 additions and 5 deletions.
diff --git a/app/models/cell_output.rb b/app/models/cell_output.rb
@@ -292,6 +292,12 @@ def self.update_cell_types_for_cota
       end
     end
   end
+
+  def self.dead_reltuples_count
+    sql = "SELECT reltuples FROM pg_class WHERE relname = 'cell_outputs_dead'"
+    result = ActiveRecord::Base.connection.execute(sql)
+    result.getvalue(0, 0).to_i
+  end
 end
 
 # == Schema Information

diff --git a/app/services/charts/block_statistic_generator.rb b/app/services/charts/block_statistic_generator.rb
@@ -10,13 +10,13 @@ def call
 
       hash_rate = StatisticInfo.hash_rate(block_number)
       live_cells_count = CellOutput.live.count
-      dead_cells_count = CellOutput.dead.count
-      block_statistic = ::BlockStatistic.find_or_create_by(block_number: block_number)
+      dead_cells_count = CellOutput.dead_reltuples_count
+      block_statistic = ::BlockStatistic.find_or_create_by(block_number:)
       block_statistic.update(epoch_number: target_block.epoch,
                              difficulty: target_block.difficulty,
-                             hash_rate: hash_rate,
-                             live_cells_count: live_cells_count,
-                             dead_cells_count: dead_cells_count)
+                             hash_rate:,
+                             live_cells_count:,
+                             dead_cells_count:)
     end
 
     private