Allow ignoring sqlmigrate errors.

src/django_migration_linter/management/commands/lintmigrations.py

@@ -175,6 +175,7 @@ class Command(BaseCommand):
             all_warnings_as_errors=all_warnings_as_errors,
             no_output=options["verbosity"] == 0,
             analyser_string=options["sql_analyser"],
+            ignore_sqlmigrate_errors=options["ignore_sqlmigrate_errors"],
         )
         linter.lint_all_migrations(
             app_label=options["app_label"],

src/django_migration_linter/management/commands/makemigrations.py

@@ -52,6 +52,7 @@ class Command(MakeMigrationsCommand):
         self.exclude_migrations_tests = options["exclude_migration_tests"]
         self.warnings_as_errors = options["warnings_as_errors"]
         self.sql_analyser = options["sql_analyser"]
+        self.ignore_sqlmigrate_errors = options["ignore_sqlmigrate_errors"]
         configure_logging(options["verbosity"])
         return super().handle(*app_labels, **options)
 
@@ -92,6 +93,7 @@ class Command(MakeMigrationsCommand):
             warnings_as_errors_tests=warnings_as_errors_tests,
             all_warnings_as_errors=all_warnings_as_errors,
             analyser_string=self.sql_analyser,
+            ignore_sqlmigrate_errors=self.ignore_sqlmigrate_errors,
         )
 
         for app_label, app_migrations in changes.items():

src/django_migration_linter/management/utils.py

@@ -40,6 +40,12 @@ def register_linting_configuration_options(parser: CommandParser) -> None:
         help="select the SQL analyser",
     )
 
+    parser.add_argument(
+        "--ignore-sqlmigrate-errors",
+        action="store_true",
+        help="ignore failures of sqlmigrate command",
+    )
+
 
 def configure_logging(verbosity: int) -> None:
     logger = logging.getLogger("django_migration_linter")

src/django_migration_linter/migration_linter.py

@@ -63,6 +63,7 @@ class MigrationLinter:
         all_warnings_as_errors: bool = False,
         no_output: bool = False,
         analyser_string: str | None = None,
+        ignore_sqlmigrate_errors: bool = False,
     ):
         # Store parameters and options
         self.django_path = path
@@ -86,6 +87,7 @@ class MigrationLinter:
             settings.DATABASES[self.database]["ENGINE"],
             analyser_string=analyser_string,
         )
+        self.ignore_sqlmigrate_errors = ignore_sqlmigrate_errors
 
         # Initialise counters
         self.reset_counters()
@@ -321,13 +323,24 @@ class MigrationLinter:
                     database=self.database,
                     stdout=dev_null,
                 )
-        except (ValueError, ProgrammingError):
-            logger.warning(
-                "Error while executing sqlmigrate on (%s, %s).",
-                app_label,
-                migration_name,
-            )
-            raise
+        except (ValueError, ProgrammingError) as err:
+            if self.ignore_sqlmigrate_errors:
+                logger.warning(
+                    "Error while executing sqlmigrate on (%s, %s) with exception: %s. "
+                    "Continuing execution with empty SQL.",
+                    app_label,
+                    migration_name,
+                    str(err),
+                )
+                sql_statement = ""
+            else:
+                logger.warning(
+                    "Error while executing sqlmigrate on (%s, %s) with exception: %s.",
+                    app_label,
+                    migration_name,
+                    str(err),
+                )
+                raise
         return sql_statement.splitlines()
 
     @staticmethod