1 files changed, 0 insertions, 100 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/timestamp_test.rb b/activerecord/test/cases/adapters/postgresql/timestamp_test.rb
index 3091ee136f..da14063e20 100644
--- a/activerecord/test/cases/adapters/postgresql/timestamp_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/timestamp_test.rb
@@ -1,5 +1,4 @@
 require 'cases/helper'
-require 'support/schema_dumping_helper'
 require 'models/developer'
 require 'models/topic'
 
@@ -89,102 +88,3 @@ class TimestampTest < ActiveRecord::TestCase
     assert_equal date, Developer.find_by_name("yahagi").updated_at
   end
 end
-
-class TimestampPrecisionTest < ActiveRecord::TestCase
-  include SchemaDumpingHelper
-  self.use_transactional_fixtures = false
-
-  class Foo < ActiveRecord::Base; end
-
-  teardown do
-    ActiveRecord::Base.connection.drop_table(:foos, if_exists: true)
-  end
-
-  def test_default_datetime_precision
-    ActiveRecord::Base.connection.create_table(:foos)
-    ActiveRecord::Base.connection.add_column :foos, :created_at, :datetime
-    ActiveRecord::Base.connection.add_column :foos, :updated_at, :datetime
-    assert_nil activerecord_column_option('foos', 'created_at', 'precision')
-  end
-
-  def test_timestamp_data_type_with_precision
-    ActiveRecord::Base.connection.create_table(:foos)
-    ActiveRecord::Base.connection.add_column :foos, :created_at, :datetime, :precision => 0
-    ActiveRecord::Base.connection.add_column :foos, :updated_at, :datetime, :precision => 5
-    assert_equal 0, activerecord_column_option('foos', 'created_at', 'precision')
-    assert_equal 5, activerecord_column_option('foos', 'updated_at', 'precision')
-  end
-
-  def test_timestamps_helper_with_custom_precision
-    ActiveRecord::Base.connection.create_table(:foos) do |t|
-      t.timestamps :null => true, :precision => 4
-    end
-    assert_equal 4, activerecord_column_option('foos', 'created_at', 'precision')
-    assert_equal 4, activerecord_column_option('foos', 'updated_at', 'precision')
-  end
-
-  def test_passing_precision_to_timestamp_does_not_set_limit
-    ActiveRecord::Base.connection.create_table(:foos) do |t|
-      t.timestamps :null => true, :precision => 4
-    end
-    assert_nil activerecord_column_option("foos", "created_at", "limit")
-    assert_nil activerecord_column_option("foos", "updated_at", "limit")
-  end
-
-  def test_invalid_timestamp_precision_raises_error
-    assert_raises ActiveRecord::ActiveRecordError do
-      ActiveRecord::Base.connection.create_table(:foos) do |t|
-        t.timestamps :null => true, :precision => 7
-      end
-    end
-  end
-
-  def test_postgres_agrees_with_activerecord_about_precision
-    ActiveRecord::Base.connection.create_table(:foos) do |t|
-      t.timestamps :null => true, :precision => 4
-    end
-    assert_equal '4', pg_datetime_precision('foos', 'created_at')
-    assert_equal '4', pg_datetime_precision('foos', 'updated_at')
-  end
-
-  def test_formatting_timestamp_according_to_precision
-    ActiveRecord::Base.connection.create_table(:foos, force: true) do |t|
-      t.datetime :created_at, precision: 0
-      t.datetime :updated_at, precision: 4
-    end
-    date = ::Time.utc(2014, 8, 17, 12, 30, 0, 999999)
-    Foo.create!(created_at: date, updated_at: date)
-    assert foo = Foo.find_by(created_at: date)
-    assert_equal 1, Foo.where(updated_at: date).count
-    assert_equal date.to_s, foo.created_at.to_s
-    assert_equal date.to_s, foo.updated_at.to_s
-    assert_equal 000000, foo.created_at.usec
-    assert_equal 999900, foo.updated_at.usec
-  end
-
-  def test_datetime_precision_with_zero_should_be_dumped
-    ActiveRecord::Base.connection.create_table(:foos) do |t|
-      t.timestamps precision: 0
-    end
-    output = dump_table_schema("foos")
-    assert_match %r{t\.datetime\s+"created_at",\s+precision: 0,\s+null: false$}, output
-    assert_match %r{t\.datetime\s+"updated_at",\s+precision: 0,\s+null: false$}, output
-  end
-
-  private
-
-  def pg_datetime_precision(table_name, column_name)
-    results = ActiveRecord::Base.connection.execute("SELECT column_name, datetime_precision FROM information_schema.columns WHERE table_name ='#{table_name}'")
-    result = results.find do |result_hash|
-      result_hash["column_name"] == column_name
-    end
-    result && result["datetime_precision"]
-  end
-
-  def activerecord_column_option(tablename, column_name, option)
-    result = ActiveRecord::Base.connection.columns(tablename).find do |column|
-      column.name == column_name
-    end
-    result && result.send(option)
-  end
-end