cloud-fan commented on a change in pull request #34614:
URL: https://github.com/apache/spark/pull/34614#discussion_r751260433
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File path: python/pyspark/sql/types.py
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@@ -317,6 +319,65 @@ def simpleString(self) -> str:
return "bigint"
+class DayTimeIntervalType(AtomicType):
+ """DayTimeIntervalType (datetime.timedelta)."""
+
+ DAY = 0
+ HOUR = 1
+ MINUTE = 2
+ SECOND = 3
+
+ _fields = {
+ DAY: "day",
+ HOUR: "hour",
+ MINUTE: "minute",
+ SECOND: "second",
+ }
+
+ _inverted_fields = dict(zip(_fields.values(), _fields.keys()))
+
+ def __init__(self, startField: Optional[int] = None, endField:
Optional[int] = None):
+ if startField is None and endField is None:
+ # Default matched to scala side.
+ startField = DayTimeIntervalType.DAY
+ endField = DayTimeIntervalType.SECOND
+ elif startField is not None and endField is None:
+ endField = startField
+
+ fields = DayTimeIntervalType._fields
+ if startField not in fields.keys() or endField not in fields.keys():
+ raise RuntimeError("interval %s to %s is invalid" % (startField,
endField))
+ self.startField = cast(int, startField)
+ self.endField = cast(int, endField)
+
+ def _str_repr(self) -> str:
+ fields = DayTimeIntervalType._fields
+ start_field_name = fields[self.startField]
+ end_field_name = fields[self.endField]
+ if start_field_name == end_field_name:
+ return "interval %s" % start_field_name
+ else:
+ return "interval %s to %s" % (start_field_name, end_field_name)
+
+ simpleString = _str_repr
+
+ jsonValue = _str_repr
+
+ def __repr__(self) -> str:
+ return "%s(%d,%d)" % (type(self).__name__, self.startField,
self.endField)
+
+ def needConversion(self) -> bool:
+ return True
+
+ def toInternal(self, dt: datetime.timedelta) -> Optional[int]:
+ if dt is not None:
+ return (math.floor(dt.total_seconds()) * 1000000) + dt.microseconds
+
+ def fromInternal(self, micros: int) -> Optional[datetime.timedelta]:
Review comment:
ditto
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