TestReversible#block in change
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TestReversible#reversible
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TestReversible#reverting?
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TestReversible#connection
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Kernel#respond_to?
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#<Class:ActiveRecord::Migration::ReversibleBlockHelper>#new
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Struct#initialize
$GemPath0/gems/activerecord-5.1.4/lib/active_record/migration.rb:730
TestReversible#execute_block
$GemPath0/gems/activerecord-5.1.4/lib/active_record/migration.rb:928
TestReversible#connection
$GemPath0/gems/activerecord-5.1.4/lib/active_record/migration.rb:831
Kernel#respond_to?
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TestReversible#block in reversible
$GemPath0/gems/activerecord-5.1.4/lib/active_record/migration.rb:731
TestReversible#block (2 levels) in change
/home/z/test_rails/school/db/migrate/20171114144757_test_reversible.rb:4
ActiveRecord::Migration::ReversibleBlockHelper#up
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ActiveRecord::Migration::ReversibleBlockHelper#reverting
$GemPath0/gems/activerecord-5.1.4/lib/active_record/migration.rb:695
TestReversible#block (3 levels) in change
/home/z/test_rails/school/db/migrate/20171114144757_test_reversible.rb:5
Kernel#puts
/home/z/test_rails/school/db/migrate/20171114144757_test_reversible.rb:5
IO#puts
/home/z/test_rails/school/db/migrate/20171114144757_test_reversible.rb:5
IO#write
/home/z/test_rails/school/db/migrate/20171114144757_test_reversible.rb:5
IO#write
/home/z/test_rails/school/db/migrate/20171114144757_test_reversible.rb:5
ActiveRecord::Migration::ReversibleBlockHelper#down
$GemPath0/gems/activerecord-5.1.4/lib/active_record/migration.rb:698
ActiveRecord::Migration::ReversibleBlockHelper#reverting
$GemPath0/gems/activerecord-5.1.4/lib/active_record/migration.rb:699