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Contents
module Fog
module AWS
class DynamoDB
class Real
# Update DynamoDB item
#
# ==== Parameters
# * 'table_name'<~String> - name of table for item
# * 'key'<~Hash>:
# * 'HashKeyElement'<~Hash>: info for primary key
# * 'AttributeName'<~String> - name of attribute
# * 'AttributeType'<~String> - type of attribute
# * 'RangeKeyElement'<~Hash>: optional, info for range key
# * 'AttributeName'<~String> - name of attribute
# * 'AttributeType'<~String> - type of attribute
# * 'attribute_updates'<~Hash>:
# * 'AttributeName'<~String> - Attribute to update
# * 'Value'<~Hash> - formated as {type => value}
# * 'Action'<~String> - action to take if expects matches, in %w{ADD DELETE PUT}, defaults to PUT
# * 'options'<~Hash>:
# * 'Expected'<~Hash>: data to check against
# * 'AttributeName'<~String> - name of attribute
# * 'Value'<~Hash> - a value to check for the value of
# or
# * 'Exists'<~Boolean> - set as false to only allow update if attribute doesn't exist
# * 'ReturnValues'<~String> - data to return in %w{ALL_NEW ALL_OLD NONE UPDATED_NEW UPDATED_OLD}, defaults to NONE
#
# ==== Returns
# * response<~Excon::Response>:
# * body<~Hash>:
# varies based on ReturnValues param, see: http://docs.amazonwebservices.com/amazondynamodb/latest/developerguide/API_UpdateItem.html
def update_item(table_name, key, attribute_updates, options = {})
body = {
'AttributeUpdates' => attribute_updates,
'Key' => key,
'TableName' => table_name
}.merge(options)
request(
:body => Fog::JSON.encode(body),
:headers => {'x-amz-target' => 'DynamoDB_20111205.UpdateItem'}
)
end
end
end
end
end
Version data entries
36 entries across 36 versions & 5 rubygems