| 38 | } |
| 39 | |
| 40 | SerializationPtr DataTypeDateTime::doGetSerialization(const SerializationInfoSettings &) const |
| 41 | { |
| 42 | if (!has_explicit_time_zone) |
| 43 | { |
| 44 | /// When no explicit timezone, resolve the effective timezone (respects session_timezone). |
| 45 | /// This is called once per formatter (not per row), so the cost of DateLUT::instance() is negligible. |
| 46 | const auto & effective_tz = DateLUT::instance(); |
| 47 | if (&effective_tz != &time_zone) |
| 48 | { |
| 49 | TimezoneMixin overridden(effective_tz.getTimeZone()); |
| 50 | return SerializationDateTime::create(overridden); |
| 51 | } |
| 52 | } |
| 53 | return SerializationDateTime::create(*this); |
| 54 | } |
| 55 | |
| 56 | } |