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Add support for Apache.Arrow.Types.TimestampType to DataFrame #6871

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Merged
merged 1 commit into from
Dec 7, 2023
Merged

Add support for Apache.Arrow.Types.TimestampType to DataFrame #6871

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24 changes: 19 additions & 5 deletions src/Microsoft.Data.Analysis/DataFrame.Arrow.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -102,11 +102,25 @@ private static void AppendDataFrameColumnFromArrowArray(Field field, IArrowArray
}
break;
case ArrowTypeId.Date64:
Date64Array arrowDate64Array = (Date64Array)arrowArray;
dataFrameColumn = new DateTimeDataFrameColumn(fieldName, arrowDate64Array.Data.Length);
for (int i = 0; i < arrowDate64Array.Data.Length; i++)
{
dataFrameColumn[i] = arrowDate64Array.GetDateTime(i);
Date64Array arrowDate64Array = (Date64Array)arrowArray;
var dataTimeDataFrameColumn = new DateTimeDataFrameColumn(fieldName, arrowDate64Array.Data.Length);
for (int i = 0; i < arrowDate64Array.Data.Length; i++)
{
dataTimeDataFrameColumn[i] = arrowDate64Array.GetDateTime(i);
}
dataFrameColumn = dataTimeDataFrameColumn;
}
break;
case ArrowTypeId.Timestamp:
{
TimestampArray arrowTimeStampArray = (TimestampArray)arrowArray;
var dataTimeDataFrameColumn = new DateTimeDataFrameColumn(fieldName, arrowTimeStampArray.Data.Length);
for (int i = 0; i < arrowTimeStampArray.Data.Length; i++)
{
dataTimeDataFrameColumn[i] = arrowTimeStampArray.GetTimestamp(i)?.DateTime;
}
dataFrameColumn = dataTimeDataFrameColumn;
}
break;
case ArrowTypeId.Decimal128:
Expand All @@ -122,7 +136,7 @@ private static void AppendDataFrameColumnFromArrowArray(Field field, IArrowArray
case ArrowTypeId.Null:
case ArrowTypeId.Time32:
case ArrowTypeId.Time64:
case ArrowTypeId.Timestamp:

default:
throw new NotImplementedException($"{fieldType.Name}");
}
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