Module: Google::Cloud::Spanner::Convert::ClassMethods
- Included in:
- Google::Cloud::Spanner::Convert
- Defined in:
- lib/google/cloud/spanner/convert.rb
Overview
rubocop:disable all
Instance Method Summary collapse
- #duration_to_number(duration) ⇒ Object
- #number_to_duration(number) ⇒ Object
- #raw_to_value(obj) ⇒ Object
- #raw_to_value_and_type(obj, type = nil) ⇒ Object
- #row_to_pairs(row_types, row) ⇒ Object
- #row_to_raw(row_types, row) ⇒ Object
- #time_to_timestamp(time) ⇒ Object
- #timestamp_to_time(timestamp) ⇒ Object
- #to_key_range(range) ⇒ Object
- #to_query_params(params, types = nil) ⇒ Object
- #value_to_raw(value, type) ⇒ Object
Instance Method Details
#duration_to_number(duration) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 220 def duration_to_number duration return nil if duration.nil? return duration.seconds if duration.nanos == 0 duration.seconds + (duration.nanos / 1000000000.0) end |
#number_to_duration(number) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 212 def number_to_duration number return nil if number.nil? Google::Protobuf::Duration.new \ seconds: number.to_i, nanos: (number.remainder(1) * 1000000000).round end |
#raw_to_value(obj) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 117 def raw_to_value obj if NilClass === obj Google::Protobuf::Value.new null_value: :NULL_VALUE elsif String === obj Google::Protobuf::Value.new string_value: obj elsif Symbol === obj Google::Protobuf::Value.new string_value: obj.to_s elsif TrueClass === obj Google::Protobuf::Value.new bool_value: true elsif FalseClass === obj Google::Protobuf::Value.new bool_value: false elsif Integer === obj Google::Protobuf::Value.new string_value: obj.to_s elsif Numeric === obj # Any number not an integer gets to be a float if obj == Float::INFINITY Google::Protobuf::Value.new string_value: "Infinity" elsif obj == -Float::INFINITY Google::Protobuf::Value.new string_value: "-Infinity" elsif obj.respond_to?(:nan?) && obj.nan? Google::Protobuf::Value.new string_value: "NaN" else Google::Protobuf::Value.new number_value: obj.to_f end elsif Time === obj || DateTime === obj Google::Protobuf::Value.new(string_value: obj.to_time.utc.strftime("%FT%T.%NZ")) elsif Date === obj Google::Protobuf::Value.new string_value: obj.to_s elsif Array === obj Google::Protobuf::Value.new list_value: Google::Protobuf::ListValue.new(values: obj.map { |o| raw_to_value(o) }) elsif Hash === obj Google::Protobuf::Value.new struct_value: Google::Protobuf::Struct.new(fields: Hash[obj.map { |k, v| [String(k), raw_to_value(v)] }]) elsif obj.respond_to?(:read) && obj.respond_to?(:rewind) obj.rewind content = obj.read.force_encoding("ASCII-8BIT") encoded_content = Base64.strict_encode64(content) Google::Protobuf::Value.new(string_value: encoded_content) else raise ArgumentError, "A value of type #{obj.class} is not supported." end end |
#raw_to_value_and_type(obj, type = nil) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 39 def raw_to_value_and_type obj, type = nil if NilClass === obj if type if type.is_a?(Array) && type.count == 1 [Google::Protobuf::Value.new(null_value: :NULL_VALUE), Google::Spanner::V1::Type.new( code: :ARRAY, array_element_type: Google::Spanner::V1::Type.new(code: type.first))] # elsif type.is_a? Fields else [Google::Protobuf::Value.new(null_value: :NULL_VALUE), Google::Spanner::V1::Type.new(code: type)] end else raise ArgumentError, "Must provide type for nil values." end elsif String === obj [raw_to_value(obj), Google::Spanner::V1::Type.new(code: :STRING)] elsif Symbol === obj [raw_to_value(obj.to_s), Google::Spanner::V1::Type.new(code: :STRING)] elsif TrueClass === obj [raw_to_value(obj), Google::Spanner::V1::Type.new(code: :BOOL)] elsif FalseClass === obj [raw_to_value(obj), Google::Spanner::V1::Type.new(code: :BOOL)] elsif Integer === obj [raw_to_value(obj.to_s), Google::Spanner::V1::Type.new(code: :INT64)] elsif Numeric === obj # Any number not an integer gets to be a float [raw_to_value(obj), Google::Spanner::V1::Type.new(code: :FLOAT64)] elsif Time === obj || DateTime === obj [raw_to_value(obj), Google::Spanner::V1::Type.new(code: :TIMESTAMP)] elsif Date === obj [raw_to_value(obj.to_s), Google::Spanner::V1::Type.new(code: :DATE)] elsif Array === obj if type && !type.is_a?(Array) raise ArgumentError, "Array values must have an Array type." end type ||= begin # Find the param type for the first non-nil item the list nested_param_value = obj.detect { |x| !x.nil? } if nested_param_value.nil? raise ArgumentError, "Array values must have an Array type." end [raw_to_value_and_type(nested_param_value).last.code] end [raw_to_value(obj), Google::Spanner::V1::Type.new( code: :ARRAY, array_element_type: Google::Spanner::V1::Type.new(code: type.first))] elsif Hash === obj field_pairs = obj.map do |key, value| [key, raw_to_value_and_type(value).last] end formatted_fields = field_pairs.map do |name, param_type| Google::Spanner::V1::StructType::Field.new( name: String(name), type: param_type ) end [raw_to_value(obj), Google::Spanner::V1::Type.new( code: :STRUCT, struct_type: Google::Spanner::V1::StructType.new( fields: formatted_fields ))] elsif obj.respond_to?(:read) && obj.respond_to?(:rewind) obj.rewind [raw_to_value(obj), Google::Spanner::V1::Type.new(code: :BYTES)] else raise ArgumentError, "A parameter of type #{obj.class} is not supported." end end |
#row_to_pairs(row_types, row) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 164 def row_to_pairs row_types, row row_types.zip(row).map do |field, value| [field.name.to_sym, value_to_raw(value, field.type)] end end |
#row_to_raw(row_types, row) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 170 def row_to_raw row_types, row Hash[row_to_pairs(row_types, row)] end |
#time_to_timestamp(time) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 228 def time return nil if time.nil? # Force the object to be a Time object. time = time.to_time Google::Protobuf::Timestamp.new \ seconds: time.to_i, nanos: time.nsec end |
#timestamp_to_time(timestamp) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 239 def return nil if .nil? Time.at .seconds, Rational(.nanos, 1000) end |
#to_key_range(range) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 245 def to_key_range range range_opts = { start_closed: raw_to_value(Array(range.begin)).list_value, end_closed: raw_to_value(Array(range.end)).list_value } if range.respond_to?(:exclude_begin?) && range.exclude_begin? range_opts[:start_open] = range_opts[:start_closed] range_opts.delete :start_closed end if range.exclude_end? range_opts[:end_open] = range_opts[:end_closed] range_opts.delete :end_closed end Google::Spanner::V1::KeyRange.new range_opts end |
#to_query_params(params, types = nil) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 31 def to_query_params params, types = nil types ||= {} formatted_params = params.map do |key, obj| [String(key), raw_to_value_and_type(obj, types[key])] end Hash[formatted_params] end |
#value_to_raw(value, type) ⇒ Object
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# File 'lib/google/cloud/spanner/convert.rb', line 174 def value_to_raw value, type return nil if value.kind == :null_value case type.code when :BOOL value.bool_value when :INT64 Integer value.string_value when :FLOAT64 if value.kind == :string_value if value.string_value == "Infinity" Float::INFINITY elsif value.string_value == "-Infinity" -Float::INFINITY elsif value.string_value == "NaN" Float::NAN else Float value.string_value end else value.number_value end when :TIMESTAMP Time.parse value.string_value when :DATE Date.parse value.string_value when :STRING value.string_value when :BYTES StringIO.new Base64.decode64 value.string_value when :ARRAY value.list_value.values.map do |v| value_to_raw v, type.array_element_type end when :STRUCT Data.from_grpc value.list_value.values, type.struct_type.fields end end |