Flowdock
method

sequence_name_from_parts

Importance_0
v5.2.3 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::PostgreSQLColumn
  • 1.0.0
  • 1.1.6
  • 1.2.6
  • 2.0.3
  • 2.1.0
  • 2.2.1
  • 2.3.2
  • 2.3.8
  • 3.0.0
  • 3.0.9
  • 3.1.0
  • 3.2.1
  • 3.2.8
  • 3.2.13
  • 4.0.2
  • 4.1.8
  • 4.2.1
  • 4.2.7
  • 4.2.9
  • 5.0.0.1
  • 5.1.7 (0)
  • 5.2.3 (0)
  • 6.0.0
  • 6.1.3.1
  • What's this?
sequence_name_from_parts(table_name, column_name, suffix) private

No documentation

This method has no description. You can help the Ruby on Rails community by adding new notes.

Hide source
# File activerecord/lib/active_record/connection_adapters/postgresql/column.rb, line 27
        def sequence_name_from_parts(table_name, column_name, suffix)
          over_length = [table_name, column_name, suffix].map(&:length).sum + 2 - max_identifier_length

          if over_length > 0
            column_name_length = [(max_identifier_length - suffix.length - 2) / 2, column_name.length].min
            over_length -= column_name.length - column_name_length
            column_name = column_name[0, column_name_length - [over_length, 0].min]
          end

          if over_length > 0
            table_name = table_name[0, table_name.length - over_length]
          end

          "#{table_name}_#{column_name}_#{suffix}"
        end
Register or log in to add new notes.