Fix slack report

lib/airbnb_payous/bigquery_gateway.rb

@@ -64,35 +64,48 @@ def load_and_merge!(rows:)
       load_job.wait_until_done!
       raise load_job.error if load_job.failed?
 
-      total_rows = load_job.output_rows
-      @logger.info("Loaded #{total_rows} rows to staging table.")
+      # Use job output rows, fallback to input rows count if zero (sometimes stats are delayed)
+      total_rows_loaded = load_job.output_rows.to_i
+      total_rows_loaded = rows.length if total_rows_loaded.zero?
+
+      @logger.info("Load job finished. output_rows: #{load_job.output_rows}, rows.length: #{rows.length}. Using #{total_rows_loaded} as reference.")
 
+      # Fetch a fresh table reference to avoid caching issues
       target_table = dataset.table(table_id)
       result = { inserted_count: 0, updated_count: 0 }
 
       if target_table.nil?
-        @logger.info("Target table #{qualified_table_name(table_id)} not found. Creating it for the first time.")
+        @logger.info("Target table #{qualified_table_name(table_id)} does not exist. Path: :create_table")
         copy_job = @bigquery.copy_job qualified_table_name(staging_table_id), qualified_table_name(table_id), write: "truncate"
         copy_job.wait_until_done!
         raise copy_job.error if copy_job.failed?
-        @logger.info("Target table created successfully.")
+        @logger.info("Target table created via copy_job.")
 
         result[:mode] = :create_table
-        result[:inserted_count] = total_rows
+        result[:inserted_count] = total_rows_loaded
       else
+        @logger.info("Target table #{qualified_table_name(table_id)} exists. Path: :merge")
         merge_sql = build_merge_query(rows.first.keys)
         query_job = @bigquery.query_job(merge_sql)
         query_job.wait_until_done!
         raise query_job.error if query_job.failed?
 
-        inserted_count = query_job.respond_to?(:dml_stats) && query_job.dml_stats ? query_job.dml_stats.inserted_row_count.to_i : 0
-        updated_count = query_job.respond_to?(:dml_stats) && query_job.dml_stats ? query_job.dml_stats.updated_row_count.to_i : 0
-        @logger.info("MERGE operation completed. Rows inserted: #{inserted_count}, Rows updated: #{updated_count}.")
+        # Capture DML stats
+        if query_job.respond_to?(:dml_stats) && query_job.dml_stats
+          result[:inserted_count] = query_job.dml_stats.inserted_row_count.to_i
+          result[:updated_count] = query_job.dml_stats.updated_row_count.to_i
+          @logger.info("DML Stats - Inserted: #{result[:inserted_count]}, Updated: #{result[:updated_count]}")
+        else
+          # Fallback: if dml_stats is nil, try to get from raw statistics or use total affected
+          affected = query_job.num_dml_affected_rows.to_i
+          @logger.warn("DML Stats not found. num_dml_affected_rows: #{affected}")
+          result[:inserted_count] = affected
+        end
 
         result[:mode] = :merge
-        result[:inserted_count] = inserted_count
-        result[:updated_count] = updated_count
       end
+
+      @logger.info("Final result for notification: #{result.inspect}")
       result
     ensure
       temp_file&.close!

test/bigquery_gateway_test.rb

@@ -99,6 +99,10 @@ def dml_stats
       @dml_stats
     end
 
+    def num_dml_affected_rows
+      @dml_stats.inserted_row_count + @dml_stats.updated_row_count
+    end
+
     def error; nil; end
   end