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From Apache Wiki <wikidi...@apache.org>
Subject [Db-derby Wiki] Update of "BuiltInLanguageBasedOrderingDERBY-1478" by MamtaSatoor
Date Tue, 20 Mar 2007 15:02:19 GMT
Dear Wiki user,

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The following page has been changed by MamtaSatoor:
http://wiki.apache.org/db-derby/BuiltInLanguageBasedOrderingDERBY-1478

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  '''Table of Contents'''
  [[TableOfContents(2)]]
  
+ == Design proposals ==
+ 
+ http://www.nabble.com/Collation-feature-discussion-tf3418026.html#a9559634
+ 
+ == Outstanding items ==
+ 1)Override all the collation related methods in the CollatorSQLChar. This is a subclass
of SQLChar.
+ 
+ 2)Add subclasses for SQLVarchar, SQLLongvarchar, SQLClob. These subclasses will override
the collation related methods.
+ 
+ 3)Store column level metadata for collate in Store.
+ 
+ 4)Store column level metadata for collate in Language Layer as well. This will happen in
DataTypeDescriptor(DTD) with the addition of int collateType field. It will be set to 0(UCS_BASIC)/1(TERRITORY_BASED)/-1(UNKNOWN).
There will be get and set methods on DTD for this new field.
+ 
+ == Implemented items ==
+ 1)A shell for subclass of SQLChar has been implemented and it is called CollatorSQLChar.
It resides in derby.iapi.types package.
  
  == Related Pages ==
  

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