activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb.tt
class <%= migration_class_name %> < ActiveRecord::Migration[<%= ActiveRecord::Migration.current_version %>]
def change
create_table :<%= table_name %><%= primary_key_type %> do |t|
<% attributes.each do |attribute| -%>
<% if attribute.password_digest? -%>
t.string :password_digest<%= attribute.inject_options %>
<% elsif attribute.token? -%>
t.string :<%= attribute.name %><%= attribute.inject_options %>
<% elsif attribute.reference? -%>
t.<%= attribute.type %> :<%= attribute.name %><%= attribute.inject_options %><%= foreign_key_type %>
<% elsif !attribute.virtual? -%>
t.<%= attribute.type %> :<%= attribute.name %><%= attribute.inject_options %>
<% end -%>
<% end -%>
<% if options[:timestamps] %>
t.timestamps
<% end -%>
end
<% attributes.select(&:token?).each do |attribute| -%>
add_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %>, unique: true
<% end -%>
<% attributes_with_index.each do |attribute| -%>
add_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %>
<% end -%>
end
end