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Contents
# frozen_string_literal: true
module Dynamoid
# @private
module AdapterPlugin
class AwsSdkV3
# Represents a table. Exposes data from the "DescribeTable" API call, and also
# provides methods for coercing values to the proper types based on the table's schema data
class Table
attr_reader :schema
#
# @param [Hash] schema Data returns from a "DescribeTable" call
#
def initialize(schema)
@schema = schema[:table]
end
def range_key
@range_key ||= schema[:key_schema].find { |d| d[:key_type] == RANGE_KEY }.try(:attribute_name)
end
def range_type
range_type ||= schema[:attribute_definitions].find do |d|
d[:attribute_name] == range_key
end.try(:fetch, :attribute_type, nil)
end
def hash_key
@hash_key ||= schema[:key_schema].find { |d| d[:key_type] == HASH_KEY }.try(:attribute_name).to_sym
end
#
# Returns the API type (e.g. "N", "S") for the given column, if the schema defines it,
# nil otherwise
#
def col_type(col)
col = col.to_s
col_def = schema[:attribute_definitions].find { |d| d[:attribute_name] == col.to_s }
col_def && col_def[:attribute_type]
end
def item_count
schema[:item_count]
end
def name
schema[:table_name]
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems