emilcicos

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Member SinceNovember 5, 2012
Last VisitSeptember 1, 2014

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emilcicos

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September 1, 2014 - Entity Framework: Commented work item: Issue with navigation properties & entity splitting

August 26, 2014 - Entity Framework: Commented work item: nullable<Int64>where null

August 26, 2014 - Entity Framework: Commented work item: nullable<Int64>where null

August 26, 2014 - Entity Framework: Commented work item: nullable<Int64>where null

August 20, 2014 - Entity Framework: Commented work item: EF6 String Concatenation SQL Does Not Honor UseDbNullSemantics

August 20, 2014 - Entity Framework: Commented work item: EF6 String Concatenation SQL Does Not Honor UseDbNullSemantics

August 12, 2014 - Entity Framework: Commented work item: nullable<Int64>where null

July 28, 2014 - Entity Framework: Commented work item: [Perf] Regression between 6.1 and 6.1.1

July 28, 2014 - Entity Framework: Pushed f77a6cb3cbcb59cfd2e6e1182da1425a0736797c, CodePlex 2369: FilterOpRules.Rule_FilterOverLeftOuterJoin is deferred until after the NullSemantics and JoinElimination phases to allow the expansion of the filter predicate to account for nulls (required by the Predicate.PreservesNulls), and respectively to eliminate duplicate left out joins before promoting to inner join (necessary due to a limitation in the JoinElimination phase). ApplyOpRules.Rule_OuterApplyOverFilter needs to be deferred as well. In case of one to one relationships when something is queried from the principal via the navigation property on the dependent, the interdependency between these two transformation rules results in an expression tree with unnecessary joins that cannot be eliminated because of another limitation in the JoinElimination phase (see case b. described in the comments on JoinGraph.TryTurnLeftOuterJoinsIntoInnerJoins). The fix defers ApplyOpRules.Rule_OuterApplyOverFilter by skipping execution when PlanCompiler.DeferredTransformations flag is true. The rule is executed during the PostJoinElimination transformations phase.

July 25, 2014 - Entity Framework: Commented work item: Outer apply and duplicate left outer joins in query. Also the SQL query seems nicer if generated with EF5.

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