Method _should_execute

lib/sqlalchemy/sql/ddl.py:127–159

(
        self,
        ddl: BaseDDLElement,
        target: Union[SchemaItem, str],
        bind: Optional[Connection],
        compiler: Optional[DDLCompiler] = None,
        **kw: Any,
    )

    state: Optional[Any]

    def _should_execute(
        self,
        ddl: BaseDDLElement,
        target: Union[SchemaItem, str],
        bind: Optional[Connection],
        compiler: Optional[DDLCompiler] = None,
        **kw: Any,
    ) -> bool:
        if bind is not None:
            dialect = bind.dialect
        elif compiler is not None:
            dialect = compiler.dialect
        else:
            assert False, "compiler or dialect is required"

        if isinstance(self.dialect, str):
            if self.dialect != dialect.name:
                return False
        elif isinstance(self.dialect, (tuple, list, set)):
            if dialect.name not in self.dialect:
                return False
        if self.callable_ is not None and not self.callable_(
            ddl,
            target,
            bind,
            state=self.state,
            dialect=dialect,
            compiler=compiler,
            **kw,
        ):
            return False

        return True


class ExecutableDDLElement(roles.DDLRole, Executable, BaseDDLElement):