mais otimizações 3.0

OpenCand.ETL/Repository/ViewRepository.cs

@@ -0,0 +1,36 @@
+using Dapper;
+using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.Configuration;
+using Npgsql;
+using OpenCand.Core.Models;
+using OpenCand.Repository;
+
+namespace OpenCand.ETL.Repository
+{
+    public class ViewRepository : BaseRepository
+    {
+        public ViewRepository(IConfiguration configuration) : base(configuration)
+        { }
+
+        public async Task RefreshMaterializedViews()
+        {
+            using (var connection = new NpgsqlConnection(ConnectionString))
+            {
+                // Get all materialized view names
+                var materializedViews = await connection.QueryAsync<string>(
+                    @"SELECT schemaname || '.' || matviewname as full_name 
+                      FROM pg_matviews 
+                      ORDER BY schemaname, matviewname");
+
+                foreach (var viewName in materializedViews)
+                {
+                    // Refresh the materialized view
+                    await connection.ExecuteAsync($"REFRESH MATERIALIZED VIEW {viewName}");
+
+                    // Analyze the materialized view to update statistics
+                    await connection.ExecuteAsync($"ANALYZE {viewName}");
+                }
+            }
+        }
+    }
+}