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Add new loading strategy for incremental loads: delete and insert #50

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soltanianalytics opened this issue Jan 25, 2021 · 0 comments
Open

Add new loading strategy for incremental loads: delete and insert #50

soltanianalytics opened this issue Jan 25, 2021 · 0 comments

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@soltanianalytics
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Usecase: Incremental loading of data (e.g. event data) that never changes and has a created_at timestamp but no obvious (composite) primary key

Strategy: for each incremental load

  • delete existing data in the DWH for the time period (to avoid duplication of data in case of a re-run)
  • insert data from source without any sort of update or on conflict statement
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@soltanianalytics