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Conditional write support #152

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sivankumar86 opened this issue Aug 2, 2021 · 0 comments

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sivankumar86 commented Aug 2, 2021

Usecase:
Want to insert to target table only new data and does not want to overwrite existing data

Research:
it supports in dynamodb SDK so, it is possible.

https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Expressions.ConditionExpressions.html#Expressions.ConditionExpressions.PreventingOverwrites

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