protected override DbExpression VisitMathematicalFunctionExpression(DbMathematicalFunctionExpression mathematicalFunctionExpression)
{
var functionName = GetMathematicalFunctionBody(mathematicalFunctionExpression.MathematicalFunctionExpressionType);
var functionSyntax = CreateDefaultFunctionSyntax(functionName, mathematicalFunctionExpression.Arguments);
return functionSyntax;
}