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-rw-r--r--activerecord/test/cases/migration_test.rb36
1 files changed, 36 insertions, 0 deletions
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index b3f1785f44..49944eced9 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -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