private static DbExpression GenerateScalarPropertyMappingView(
EdmProperty edmProperty,
EdmProperty columnProperty,
DbExpression row)
{
DbExpression columnRef = FunctionImportMappingComposable.GenerateColumnRef(row, columnProperty);
if (!TypeSemantics.IsEqual(columnRef.ResultType, edmProperty.TypeUsage))
{
columnRef = (DbExpression)columnRef.CastTo(edmProperty.TypeUsage);
}
return(columnRef);
}
private static DbExpression GeneratePredicate(
ConditionPropertyMapping condition,
DbExpression row)
{
DbExpression columnRef = FunctionImportMappingComposable.GenerateColumnRef(row, condition.Column);
if (!condition.IsNull.HasValue)
{
return((DbExpression)columnRef.Equal((DbExpression)columnRef.ResultType.Constant(condition.Value)));
}
if (!condition.IsNull.Value)
{
return((DbExpression)columnRef.IsNull().Not());
}
return((DbExpression)columnRef.IsNull());
}