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preserve decimal column attributes after migration

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This commit is contained in:
Greg Reinacker 2011-10-21 17:30:39 -06:00
parent 79d01a8f16
commit f092be821d
2 changed files with 39 additions and 0 deletions
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3
activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
View file

@ -413,6 +413,8 @@ module ActiveRecord
self.limit = options[:limit] if options.include?(:limit)
self.default = options[:default] if include_default
self.null = options[:null] if options.include?(:null)
self.precision = options[:precision] if options.include?(:precision)
self.scale = options[:scale] if options.include?(:scale)
end
end
end
@ -467,6 +469,7 @@ module ActiveRecord
@definition.column(column_name, column.type,
:limit => column.limit, :default => column.default,
:precision => column.precision, :scale => column.scale,
:null => column.null)
end
@definition.primary_key(primary_key(from)) if primary_key(from)

36
activerecord/test/cases/migration_test.rb
View file

@ -518,6 +518,42 @@ if ActiveRecord::Base.connection.supports_migrations?
assert_equal 7, wealth_column.scale
end
# Test SQLite adapter specifically for decimal types with precision and scale
# attributes, since these need to be maintained in schema but aren't actually
# used in SQLite itself
if current_adapter?(:SQLite3Adapter)
def test_change_column_with_new_precision_and_scale
Person.delete_all
Person.connection.add_column 'people', 'wealth', :decimal, :precision => 9, :scale => 7
Person.reset_column_information
Person.connection.change_column 'people', 'wealth', :decimal, :precision => 12, :scale => 8
Person.reset_column_information
wealth_column = Person.columns_hash['wealth']
assert_equal 12, wealth_column.precision
assert_equal 8, wealth_column.scale
end
def test_change_column_preserve_other_column_precision_and_scale
Person.delete_all
Person.connection.add_column 'people', 'last_name', :string
Person.connection.add_column 'people', 'wealth', :decimal, :precision => 9, :scale => 7
Person.reset_column_information
wealth_column = Person.columns_hash['wealth']
assert_equal 9, wealth_column.precision
assert_equal 7, wealth_column.scale
Person.connection.change_column 'people', 'last_name', :string, :null => false
Person.reset_column_information
wealth_column = Person.columns_hash['wealth']
assert_equal 9, wealth_column.precision
assert_equal 7, wealth_column.scale
end
end
def test_native_types
Person.delete_all
Person.connection.add_column "people", "last_name", :string