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Notes:
Changes:
_Reflection_
* Added ActiveRecord::Reflection with a bunch of methods and classes for reflecting in aggregations and associations.
* Added Base.columns and Base.content_columns which returns arrays of column description (type, default, etc) objects.
* Added Base#attribute_names which returns an array of names for the attributes available on the object.
* Added Base#column_for_attribute(name) which returns the column description object for the named attribute.
_Misc_
* Added multi-parameter assignment:
# Instantiate objects for all attribute classes that needs more than one constructor parameter. This is done
# by calling new on the column type or aggregation type (through composed_of) object with these parameters.
# So having the pairs written_on(1) = \"2004\", written_on(2) = \"6\", written_on(3) = \"24\", will instantiate
# written_on (a date type) with Date.new(\"2004\", \"6\", \"24\"). You can also specify a typecast character in the
# parenteses to have the parameters typecasted before they\'re used in the constructor. Use i for Fixnum, f for Float,
# s for String, and a for Array.
This is incredibly useful for assigning dates from HTML drop-downs of month, year, and day.
* Fixed bug with custom primary key column name and Base.find on multiple parameters.
* Fixed bug with dependent option on has_one associations if there was no associated object.
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