Class | Sequel::Schema::Generator |
In: |
lib/sequel/extensions/schema_dumper.rb
|
Parent: | Object |
Dump this generator‘s columns to a string that could be evaled inside another instance to represent the same columns
# File lib/sequel/extensions/schema_dumper.rb, line 369 369: def dump_columns 370: strings = [] 371: cols = columns.dup 372: cols.each do |x| 373: x.delete(:on_delete) if x[:on_delete] == :no_action 374: x.delete(:on_update) if x[:on_update] == :no_action 375: end 376: if pkn = primary_key_name 377: cols.delete_if{|x| x[:name] == pkn} 378: pk = @primary_key.dup 379: pkname = pk.delete(:name) 380: @db.serial_primary_key_options.each{|k,v| pk.delete(k) if v == pk[k]} 381: strings << "primary_key #{pkname.inspect}#{opts_inspect(pk)}" 382: end 383: cols.each do |c| 384: c = c.dup 385: name = c.delete(:name) 386: strings << if table = c.delete(:table) 387: c.delete(:type) if c[:type] == Integer || c[:type] == 'integer' 388: "foreign_key #{name.inspect}, #{table.inspect}#{opts_inspect(c)}" 389: else 390: type = c.delete(:type) 391: opts = opts_inspect(c) 392: if type.is_a?(Class) 393: "#{type.name} #{name.inspect}#{opts}" 394: else 395: "column #{name.inspect}, #{type.inspect}#{opts}" 396: end 397: end 398: end 399: strings.join("\n") 400: end
Dump this generator‘s constraints to a string that could be evaled inside another instance to represent the same constraints
# File lib/sequel/extensions/schema_dumper.rb, line 404 404: def dump_constraints 405: cs = constraints.map do |c| 406: c = c.dup 407: type = c.delete(:type) 408: case type 409: when :check 410: raise(Error, "can't dump check/constraint specified with Proc") if c[:check].is_a?(Proc) 411: name = c.delete(:name) 412: if !name and c[:check].length == 1 and c[:check].first.is_a?(Hash) 413: "check #{c[:check].first.inspect[1...-1]}" 414: else 415: "#{name ? "constraint #{name.inspect}," : 'check'} #{c[:check].map{|x| x.inspect}.join(', ')}" 416: end 417: when :foreign_key 418: c.delete(:on_delete) if c[:on_delete] == :no_action 419: c.delete(:on_update) if c[:on_update] == :no_action 420: c.delete(:deferrable) unless c[:deferrable] 421: cols = c.delete(:columns) 422: table = c.delete(:table) 423: "#{type} #{cols.inspect}, #{table.inspect}#{opts_inspect(c)}" 424: else 425: cols = c.delete(:columns) 426: "#{type} #{cols.inspect}#{opts_inspect(c)}" 427: end 428: end 429: cs.join("\n") 430: end
Dump this generator‘s indexes to a string that could be evaled inside another instance to represent the same indexes. Options:
# File lib/sequel/extensions/schema_dumper.rb, line 439 439: def dump_indexes(options=OPTS) 440: is = indexes.map do |c| 441: c = c.dup 442: cols = c.delete(:columns) 443: if table = options[:add_index] || options[:drop_index] 444: "#{options[:drop_index] ? 'drop' : 'add'}_index #{table.inspect}, #{cols.inspect}#{', :ignore_errors=>true' if options[:ignore_errors]}#{opts_inspect(c)}" 445: else 446: "index #{cols.inspect}#{opts_inspect(c)}" 447: end 448: end 449: is = is.reverse if options[:drop_index] 450: is.join("\n") 451: end