Module: AssociateJsonb::ConnectionAdapters::ReferenceDefinition

Defined in:
lib/associate_jsonb/connection_adapters/schema_definitions/reference_definition.rb

Constant Summary collapse

ForeignKeyDefinition = 
ActiveRecord::ConnectionAdapters::ForeignKeyDefinition

Instance Method Summary collapse

Instance Method Details

#add_to(table) ⇒ Object 



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# File 'lib/associate_jsonb/connection_adapters/schema_definitions/reference_definition.rb', line 27

def add_to(table)
  return super unless store

  should_add_col = false
  if table.respond_to? :column_exists?
    should_add_col = !table.column_exists?(store)
  elsif table.respond_to? :columns
    should_add_col = table.columns.none? {|col| col.name.to_sym == store}
  end

  if should_add_col
    opts = { null: false, default: {} }
    table.column(store, :jsonb, **opts)
  end

  if foreign_key && column_names.length == 1
    fk = ForeignKeyDefinition.new(table.name, foreign_table_name, foreign_key_options)
    columns.each do |col_name, type, options|
      options ||= {}
      value = "        jsonb_foreign_key(\n          '\#{fk.to_table}'::text,\n          '\#{fk.primary_key}'::text,\n          \#{store}::jsonb,\n          '\#{col_name}'::text,\n          '\#{type}'::text,\n          \#{nullable}\n        )\n      SQL\n      table.constraint(\n        name: \"\#{table.name}_\#{col_name}_foreign_key\",\n        value: value,\n        not_valid: true,\n        deferrable: true\n      )\n    end\n  elsif !nullable\n    columns.each do |col_name, *|\n      value = <<-SQL.squish\n        \#{store}->>'\#{col_name}' IS NOT NULL\n        AND\n        \#{store}->>'\#{col_name}' <> ''\n      SQL\n      table.constraint(\n        name: \"\#{table.name}_\#{col_name}_not_null\",\n        value: value,\n        not_valid: false,\n        deferrable: true\n      )\n    end\n  end\n\n  return unless index\n\n  columns.each do |col_name, type, *|\n    type = :text if type == :string\n    table.index(\n      \"CAST (\\\"\#{store}\\\"->>'\#{col_name}' AS \#{type || :bigint})\",\n      using: :btree,\n      name: \"index_\#{table.name}_on_\#{store}_\#{col_name}\"\n    )\n\n    table.index(\n      \"(\\\"\#{store}\\\"->>'\#{col_name}')\",\n      using: :btree,\n      name: \"index_\#{table.name}_on_\#{store}_\#{col_name}_text\"\n    )\n  end\nend\n".squish

#column_name ⇒ Object

rubocop:enable Metrics/ParameterLists



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# File 'lib/associate_jsonb/connection_adapters/schema_definitions/reference_definition.rb', line 23

def column_name
  store_key || super
end

#initialize(name, store: false, store_key: false, **options) ⇒ Object

rubocop:disable Metrics/ParameterLists



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# File 'lib/associate_jsonb/connection_adapters/schema_definitions/reference_definition.rb', line 9

def initialize(
  name,
  store: false,
  store_key: false,
  **options
)
  @store = store && store.to_sym
  @store_key = store_key && store_key.to_s unless options[:polymorphic]
  @nullable = options[:null] != false

  super(name, **options)
end