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MEDOR
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History
21 October 2004: MEDOR 1.4.2 (CVS tag MEDOR_1_4_2)
This version incorporates the following updates
-
Support of cloning MEDOR trees.
This includes a generic interface and implementation for cloning
Java graph, distributed in the ow_medor_clone.jar by MEDOR
subproject expression.
-
bug corrections: 300633 (NOT LIKE transl. into LIKE),
300481 (two fields with same name - object)
-
moved query/OptimizationMetaData to eval/EvaluationMetaData
and removed OMD from QueryNode constructors
-
Implementation of function for Limit (retrieving only n tuples,
starting at tuple number m): for QueryEvaluator, new parameter
EvalMDMap which gives a
Map QueryNode -> EvaluationMetaData containing information for range
queries. This has consequences for
QueryEvalContext (Speedo) and MedorFactory (JOnAS)
-
reorganised NavigatorNodeFactory, flattened produced QueryTree
for paths added MemberOfHelper
-
Added MemberOfHelper class for constructing a MemberOf even
if the left and right fields are on the same query tree.
This version corresponds to JORM tag JORM_2_4_2.
Versions 1.4 and 1.4.1 were done in 19-20 October in the process
of building this 1.4.2 version.
1 June 2004: MEDOR 1.3.0.b1 (CVS tag MEDOR_1_3_0_b1)
This version incorporates the following updates
-
Separation of Expressions into a new package, for use
by JORM (for naming contexts now, and later for expression
filtered inheritance)
The corresponding CVS tag for expressions is MEDOR_EXP_1_1.
- Bug fixes
- 300271: ORDER BY and path expressions
- 300127: IsNullPname in Oracle
- 300141: replacement of resultSet.isLast()
This version corresponds to JORM tag
JORM_2_2_11 and Speedo tag SPEEDO_1_0_1.
30 January 2004: MEDOR 1.2.12 (CVS tag MEDOR_1_2_12)
This version incorporates functional support towards EJB 2.0
- Added support for aggregates
- Added MOD operator
- Added IsNullPName operator
- Added support for BigInteger and BigDecimal
- Added support for dummy prefetching with null context (i.e., no prefetching)
- Bug fixes
This version corresponds to JORM tag JORM_2_2_7.
22 September 2003: MEDOR 1.2.6 (CVS tag MEDOR_1_2_6)
- Fixed bugs for FirstLocate, Locate operators (also in JORM RDB adaptors)
- Simplified NavigatorNodeFactory methods
7 February 2003: MEDOR 1.1 (CVS tag MEDOR_1_1)
This MEDOR version is used by JOnAS 3.0 beta0.
14 February 2003: Hello MEDOR!
Opening of the MEDOR ObjectWeb Web site.
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