8000 Implement UpdateItem operation and support for TransactWriteItems · Issue #21 · oolio-group/dynago · GitHub
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shidil opened this issue May 7, 2025 · 0 comments · May be fixed by #23
Open

Implement UpdateItem operation and support for TransactWriteItems #21

shidil opened this issue May 7, 2025 · 0 comments · May be fixed by #23

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@shidil
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shidil commented May 7, 2025 •
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Implement UpdateItem operation to update specified fields on a DynamoDB record.
This operation should accept a variadic options argument for customizing behavior (example:s WithConditionalUpdate, WithOptimisticLock)

Key requirements

  1. Allow updating keys with provided values (automatic update expression compute)
  2. Support write conditions https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_UpdateItem.html#DDB-UpdateItem-request-ConditionalOperator
  3. Support for optimistic lock via version attribute
  4. Support field update expressions (example: update field based on existing value add balance 100)
    https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Expressions.UpdateExpressions.html
type UpdateOption func(*dynamodb.UpdateItemInput) error

func UpdateItem(ctx context.Context, pk, sk Atrribute, fields interface{}, opt ...UpdateOption)

Changes to TransactWriteItems

TransactWriteItems should support UpdateItem input.
Implement WithUpdateItem option for TransactWriteItems.
https://github.com/oolio-group/dynago/blob/main/transaction_items.go

func (t *Client) WithUpdateItem(pk string, sk string, fields interface{}) types.TransactUpdateItem {
}
devin-ai-integration bot added a commit that referenced this issue May 7, 2025
@devin-ai-integration @shidil
Implement UpdateItem operation and support for TransactWriteItems (fixes
a148f37 
 #21)

Co-Authored-By: shidil.e@oolio.com <shidil@live.com>
@devin-ai-integration devin-ai-integration bot linked a pull request May 7, 2025 that will close this issue
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feat: implement UpdateItem operation and support for TransactWriteItems oolio-group/dynago
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