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TableStorage to Parquet-AzureBlob doesn't work #101

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GuillaumeVadeBe opened this issue Dec 13, 2023 · 1 comment
Open

TableStorage to Parquet-AzureBlob doesn't work #101

GuillaumeVadeBe opened this issue Dec 13, 2023 · 1 comment

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@GuillaumeVadeBe
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Migrating TableEntities from TableStorage to Parquet is not working. An exception is thrown when the DataField is created, stating that DateTimeOffset is not supported.

image

However, the only DateTimeOffset in the TableEntities that we are trying to migrate is the timestamp (a default value in a TableEntity), see Table Entity Class. So that would mean that this functionality can't work at all.

Are there any plans to fix this?

@crpietschmann
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This exception (System.NotSupportedException: DateTimeOffset support was dropped due to numerous ambiguity issues, please use DateTime from now on.) is being thrown by the Parquet.Net nuget package.

Here's the line in Parquet.Net that's throwing the exception:
https://github.com/aloneguid/parquet-dotnet/blob/d8febde144ae4f2424947caa90a625c4c9d7ab49/src/Parquet/Schema/DataField.cs#L67

It looks like to fix this, a work around will need to be figured out.

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