Fix to #20003 - Convert multiple equality/in-equality on same column …

…joined by Or/Else into SQL IN expression Various optimizations to queries with IN: - a == X || a == Y -> a IN (X, Y) - a != X && a != Y -> a NOT IN (X, Y) - a IN (X) -> a == X - a IN (X, Y) || a IN (Z, W) -> a IN (X, Y, Z, W) - a IN (X, Y, Z) && a IN (Y, Z, W) -> a IN (Y, Z) Fixes #20003
dotnet · Jul 1, 2020 · fcf5e6a · fcf5e6a
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diff --git a/src/EFCore.Relational/Query/Internal/CaseSimplifyingExpressionVisitor.cs b/src/EFCore.Relational/Query/Internal/CaseSimplifyingExpressionVisitor.cs