ConvertUpdate(Dictionary<string, AttributeValue>, Dictionary<string, AttributeValue>, string, Dictionary<string, AttributeValue>)
public (string updateExpression, Dictionary<string, AttributeValue> expressionAttributeValues) DynamoDBStorage.ConvertUpdate(Dictionary<string, AttributeValue> fields, Dictionary<string, AttributeValue>? conditionValues = null, string extraExpression = "", Dictionary<string, AttributeValue>? extraExpressionValues = null) Creates a DynamoDB update expression and its expression attribute values.
Parameters
fieldsDictionary<string, AttributeValue>- The attributes to assign in the update expression.
conditionValuesDictionary<string, AttributeValue>- The values referenced by the condition expression.
extraExpressionstring- An additional update expression appended after the attribute assignments.
extraExpressionValuesDictionary<string, AttributeValue>- The values referenced by
extraExpression.
Returns
The update expression and all expression attribute values used by the update and condition expressions.