Append an ADD update expression.
Expression to add to the ADD array.
Append an DELETE update expression.
Expression to add to the DELETE array.
See ExpressionAttributes.addPath for details.
Append a REMOVE update expression.
Expression to add to the REMOVE array.
Append a SET update expression.
Expression to add to the SET array.
See ExpressionAttributes.addValue for details.
Helper method to build an UpdateExpression string appending all of the expressions from the lists that are not empty.
UpdateExpression based string.
Resolves each key of a map to an Update.Expression.
Map of update values and resolvers to evaluate.
Name alias of the parent attribute, prepends each key name
Resolves the key and value for a map or set array.
The default fallback function that resolves the map value.
Function to get the path after checking value for undefined.
The value of the map key.
Helper method used in update methods that do not support string attributes, like add or sub. This then allows string values to act as paths, without having to wrap the path in a resolver. For strings based attributes, like set, need to use the path() function to wrap the path.
The value, update resolver or path string to add and get back an alias.
Name used to pass down to the value resolver.
Alias or expression for value to use in expression.
Add value or resolve value function to get back alias or resolved string. To allow the value to reference a path, the value needs to be a resolver.
Value to add or resolve.
Name used to pass down to the value resolver.
Alias or expression for value to use in expression.
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Expression object used in the update resolver to resolve the update into an expression.