-async def _get_database_date(conn: SearchConnection) -> Optional[dt.datetime]:
- """ Query the database date.
- """
- sql = sa.text('SELECT lastimportdate FROM import_status LIMIT 1')
- result = await conn.execute(sql)
-
- for row in result:
- return cast(dt.datetime, row[0])
-
- return None
-
-
-async def _get_database_version(conn: SearchConnection) -> Optional[version.NominatimVersion]:
- sql = sa.text("""SELECT value FROM nominatim_properties
- WHERE property = 'database_version'""")
- result = await conn.execute(sql)
-
- for row in result:
- return version.parse_version(cast(str, row[0]))
-
- return None
-
-