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Contents
module Fog
module AWS
class DynamoDB
class Real
# Query DynamoDB items
#
# ==== Parameters
# * 'table_name'<~String> - name of table to query
# * 'hash_key'<~Hash> - hash key to query
# * options<~Hash>:
# * 'AttributesToGet'<~Array> - Array of attributes to get for each item, defaults to all
# * 'ConsistentRead'<~Boolean> - Whether to wait for consistency, defaults to false
# * 'Count'<~Boolean> - If true, returns only a count of such items rather than items themselves, defaults to false
# * 'Limit'<~Integer> - limit of total items to return
# * 'RangeKeyCondition'<~Hash>: value to compare against range key
# * 'AttributeValueList'<~Hash>: one or more values to compare against
# * 'ComparisonOperator'<~String>: comparison operator to use with attribute value list, in %w{BETWEEN BEGINS_WITH EQ LE LT GE GT}
# * 'ScanIndexForward'<~Boolean>: Whether to scan from start or end of index, defaults to start
# * 'ExclusiveStartKey'<~Hash>: Key to start listing from, can be taken from LastEvaluatedKey in response
#
# ==== Returns
# * response<~Excon::Response>:
# * body<~Hash>:
# * 'ConsumedCapacityUnits'<~Integer> - number of capacity units used for query
# * 'Count'<~Integer> - number of items in response
# * 'Items'<~Array> - array of items returned
# * 'LastEvaluatedKey'<~Hash> - last key scanned, can be passed to ExclusiveStartKey for pagination
def query(table_name, hash_key, options = {})
body = {
'TableName' => table_name,
'HashKeyValue' => hash_key
}.merge(options)
request(
:body => Fog::JSON.encode(body),
:headers => {'x-amz-target' => 'DynamoDB_20111205.Query'}
)
end
end
end
end
end
Version data entries
79 entries across 79 versions & 12 rubygems