Method visit_extract

lib/sqlalchemy/dialects/mssql/base.py:2311–2313

(self, extract, **kw)

            return None

    def visit_extract(self, extract, **kw):
        field = self.extract_map.get(extract.field, extract.field)
        return "DATEPART(%s, %s)" % (field, self.process(extract.expr, **kw))

    def visit_savepoint(self, savepoint_stmt, **kw):
        return "SAVE TRANSACTION %s" % self.preparer.format_savepoint(