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feat: add WriteDisposition to replace "if_exists='fail'/'replace'/'append'" behavior #581

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feat: add WriteDisposition to replace "if_exists='fail'/'replace'/'append'" behavior #581

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@aribray aribray commented Oct 25, 2022 •
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Use LoadJobConfig.WriteDisposition to replace if_exists='fail'/'replace'/'append' behavior in to_gbq()

The WriteDisposition value specifies the action that occurs if destination table already exists.

  • if_exists="fail" ----> write_disposition="WRITE_EMPTY"
  • if_exists="append" ----> write_disposition="WRITE_APPEND"
  • if_exists="replace" ----> write_disposition="WRITE_TRUNCATE"

By using WriteDisposition, we can move away from the delete_and_recreate_table() behavior

Fixes #118 #43 #453

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tswast
tswast reviewed Oct 27, 2022
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@aribray aribray closed this Nov 8, 2022
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CLN: Use WriteDisposition for if_exists=fail/replace/append behavior in to_gbq
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