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ParquetWriter Nullable Types #317

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ParquetWriter Nullable Types #317

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6 changes: 4 additions & 2 deletions src/ChoETL.Parquet/ChoParquetRecordWriter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -250,8 +250,6 @@ private Type GetParquetTypeInternal(Type type, bool asRaw = false)
return typeof(string);
else if (underlyingType.IsEnum)
return typeof(string);
else if (asRaw && type.IsNullableType())
return typeof(string);
else if (type == typeof(byte[]))
return underlyingType;
else if (type == typeof(DateTimeOffset))
Expand All @@ -262,7 +260,11 @@ private Type GetParquetTypeInternal(Type type, bool asRaw = false)
return typeof(DateTimeOffset);
}
else if (underlyingType.IsSimpleSpecial())
{
if (type.IsNullableType())
return type;
return underlyingType;
}
else
return typeof(string);
}
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8 changes: 4 additions & 4 deletions src/Test/ChoParquetWriterTest/Program.cs
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Expand Up @@ -1570,21 +1570,21 @@ public static void POCOTreatDateTimeAsDateTimeOffsetTestWith_NO_Converter()
{
""Id"": null,
""Price"": null,
""Quantity"": ""2"",
""Quantity"": 2.0,
""Name"": null,
""CreateDate"": ""0001-01-01T12:00:00+00:00""
},
{
""Id"": ""100"",
""Id"": 100,
""Price"": null,
""Quantity"": null,
""Name"": null,
""CreateDate"": ""0001-01-01T12:00:00+00:00""
},
{
""Id"": null,
""Price"": ""2.3"",
""Quantity"": ""2.45"",
""Price"": 2.3,
""Quantity"": 2.45,
""Name"": ""Name"",
""CreateDate"": ""2023-06-10T12:10:30+00:00""
}
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