Update app.py

app.py

@@ -126,13 +126,14 @@ class PostgresManager:
     def _should_skip_statement(self, stmt: str) -> bool:
         """
         Devuelve True si el statement NO debe ejecutarse (grants, owner, create db, etc.).
+        Filtro universal para dumps PostgreSQL (Neon, Pagila, etc.).
         """
         if not stmt:
             return True
 
         upper = stmt.upper().strip()
 
-        # Statements que directamente ignoramos
+        # 1) Statements globales / de administración que SIEMPRE ignoramos
         skip_prefixes = (
             "SET ",
             "RESET ",
@@ -140,14 +141,19 @@ class PostgresManager:
             "COMMENT ON EXTENSION",
             "COMMENT ON SCHEMA",
             "COMMENT ON DATABASE",
+            "COMMENT ON COLLATION",
+            "COMMENT ON CONVERSION",
+            "COMMENT ON LANGUAGE",
+            "COMMENT ON TEXT SEARCH",
+            "COMMENT ON FOREIGN",
             "CREATE DATABASE",
             "ALTER DATABASE",
             "DROP DATABASE",
             "CREATE EXTENSION",
             "ALTER EXTENSION",
             "DROP EXTENSION",
-            "CREATE SCHEMA",      # 👈 nuevo: no necesitamos crear schemas del dump
-            "ALTER SCHEMA",       # 👈 nuevo: ni alterarlos
+            "CREATE SCHEMA",          # no queremos recrear schemas globales
+            "ALTER SCHEMA",
             "REVOKE ",
             "GRANT ",
             "ALTER ROLE",
@@ -165,18 +171,22 @@ class PostgresManager:
         if upper.startswith(skip_prefixes):
             return True
 
-        # Ignorar ALTER ... OWNER TO ...
-        if " OWNER TO " in upper and upper.startswith(
-            (
-                "ALTER TABLE",
-                "ALTER SEQUENCE",
-                "ALTER DOMAIN",
-                "ALTER TYPE",
-                "ALTER SCHEMA",
-                "ALTER VIEW",
-                "ALTER MATERIALIZED VIEW",
-            )
-        ):
+        # 2) Cualquier cosa que toque OWNER / AUTHORIZATION la ignoramos
+        owner_markers = (
+            " OWNER TO ",
+            " OWNER ",
+            "AUTHORIZATION POSTGRES",
+            "AUTHORIZATION PUBLIC",
+            "AUTHORIZATION CURRENT_USER",
+            "AUTHORIZATION \"POSTGRES\"",
+        )
+        if any(marker in upper for marker in owner_markers):
+            return True
+
+        # 3) Grants / revokes explícitos a postgres o public (aunque no empiecen por GRANT/REVOKE)
+        if " TO POSTGRES" in upper or " FROM POSTGRES" in upper:
+            return True
+        if " TO PUBLIC" in upper or " FROM PUBLIC" in upper:
             return True
 
         return False