module PgSaurus::SchemaDumper::ExtensionMethods

Extends ActiveRecord::SchemaDumper class to dump comments on tables and columns.

Public Instance Methods

dump_extensions(stream) click to toggle source

Dump current database extensions recreation commands to the given stream.

@param [#puts] stream Stream to write to

# File lib/pg_saurus/schema_dumper/extension_methods.rb, line 14
def dump_extensions(stream)
  extensions = @connection.pg_extensions
  commands   = extensions.map do |extension_name, options|
    result = [%Q|create_extension "#{extension_name}"|]
    result << %Q|schema_name: "#{options[:schema_name]}"| unless options[:schema_name] == 'public'
    result << %Q|version: "#{options[:version]}"|
    result.join(', ')
  end

  commands.each do |command|
    stream.puts("  #{command}")
  end

  stream.puts
end
header(stream) click to toggle source

Hook ActiveRecord::SchemaDumper#header method to dump extensions in all schemas except for pg_catalog.

Calls superclass method
# File lib/pg_saurus/schema_dumper/extension_methods.rb, line 5
def header(stream)
  super(stream)
  dump_extensions(stream)
  stream
end