public Expression Translate(MethodCallExpression methodCallExpression, N1QlExpressionTreeVisitor expressionTreeVisitor)
{
if (methodCallExpression == null)
{
throw new ArgumentNullException("methodCallExpression");
}
var expression = expressionTreeVisitor.Expression;
expressionTreeVisitor.VisitExpression(methodCallExpression.Arguments[0]);
if (methodCallExpression.Arguments.Count > 1)
{
var constantExpression = methodCallExpression.Arguments[1] as ConstantExpression;
if (constantExpression == null)
{
throw new NotSupportedException("IsValued and IsNotValued propertyName parameter must be a constant");
}
expression.AppendFormat(".{0}",
N1QlHelpers.EscapeIdentifier(constantExpression.Value.ToString()));
}
expression.Append(methodCallExpression.Method.Name == "IsValued" ? " IS VALUED" : " IS NOT VALUED");
return(methodCallExpression);
}
public Expression Translate(MethodCallExpression methodCallExpression, N1QlExpressionTreeVisitor expressionTreeVisitor)
{
if (methodCallExpression == null)
{
throw new ArgumentNullException("methodCallExpression");
}
if (methodCallExpression.Arguments[0] is ConstantExpression keyExpression)
{
var expression = expressionTreeVisitor.Expression;
expressionTreeVisitor.Visit(methodCallExpression.Object);
expression.Append('.');
expression.Append(N1QlHelpers.EscapeIdentifier(keyExpression.Value.ToString()));
}
else
{
throw new NotSupportedException("Dictionary keys must be constants");
}
return(methodCallExpression);
}
public void EscapeIdentifier_Null_ThrowsException()
{
Assert.Throws <ArgumentNullException>(() => N1QlHelpers.EscapeIdentifier(null));
}
public void EscapeIdentifier_WrapsSuccessfully(string identifier, string expectedResult)
{
var result = N1QlHelpers.EscapeIdentifier(identifier);
Assert.AreEqual(expectedResult, result);
}
public override void AppendToStringBuilder(StringBuilder sb)
{
var indexTypeStr = IndexType == N1QlIndexType.Gsi ? "GSI" : "VIEW";
sb.AppendFormat("INDEX ({0} USING {1})", N1QlHelpers.EscapeIdentifier(IndexName), indexTypeStr);
}
