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# Copyright 2020 Google LLC
#
# Use of this source code is governed by an MIT-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/MIT.
require "activerecord_spanner_adapter/index/column"
module ActiveRecordSpannerAdapter
class Index
attr_accessor :table, :name, :columns, :type, :unique, :null_filtered,
:interleave_in, :storing, :state
def initialize \
table,
name,
columns,
type: nil,
unique: false,
null_filtered: false,
interleave_in: nil,
storing: nil,
state: nil
@table = table.to_s
@name = name.to_s
@columns = Array(columns)
@type = type
@unique = unique
@null_filtered = null_filtered
@interleave_in = interleave_in unless interleave_in.to_s.empty?
@storing = storing || []
@state = state
end
def primary?
@type == "PRIMARY_KEY"
end
def columns_by_position
@columns.select(&:ordinal_position).sort do |c1, c2|
c1.ordinal_position <=> c2.ordinal_position
end
end
def column_names
columns_by_position.map(&:name)
end
def orders
columns_by_position.each_with_object({}) do |c, r|
r[c.name] = c.desc? ? :desc : :asc
end
end
def options
{
name: name,
order: orders,
unique: unique,
interleave_in: interleave_in,
null_filtered: null_filtered,
storing: storing
}.delete_if { |_, v| v.nil? }
end
def rename_column_options old_column, new_column
opts = options
opts[:order].transform_keys do |key|
key.to_s == new_column.to_s
end
columns = column_names.map do |c|
c.to_s == old_column.to_s ? new_column : c
end
{ options: opts, columns: columns }
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems