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Write operations with without_files lead to data loss due to checkpointing #3049

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JonasDev1 opened this issue Dec 9, 2024 · 1 comment · Fixed by #3059
Closed

Write operations with without_files lead to data loss due to checkpointing #3049

JonasDev1 opened this issue Dec 9, 2024 · 1 comment · Fixed by #3059
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bug Something isn't working

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@JonasDev1
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Environment

Delta-rs version: 21.

Binding: Rust

Bug

What happened:
I am appending to a delta table that is read with without_files to reduce memory usage. The append process works fine, but during automatic checkpoint creation, older commited files are removed because they are not in the table snapshot and are therefore not part of the checkpoint.

What you expected to happen:
Either an error should be displayed or the automatic checkpoint creation should be deactivated
@JonasDev1 JonasDev1 added the bug Something isn't working label Dec 9, 2024
@ion-elgreco
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ion-elgreco commented Dec 9, 2024 •
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Yeahhh, forgot about that interaction with the code base, will look into it next week

@ion-elgreco ion-elgreco mentioned this issue Dec 15, 2024
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fix: raise during checkpoint creating with without_files ion-elgreco/delta-rs
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@JonasDev1 @ion-elgreco