protected override Expression VisitBinary(BinaryExpression binary)
{
if (_operators.ContainsKey(binary.NodeType))
{
var fragment = _parent.buildSimpleWhereClause(_mapping, binary);
_register.Peek()(fragment);
return null;
}
if ((binary.NodeType == ExpressionType.AndAlso) || (binary.NodeType == ExpressionType.OrElse))
{
var separator = binary.NodeType == ExpressionType.AndAlso
? "and"
: "or";
var compound = new CompoundWhereFragment(separator);
_register.Peek()(compound);
_register.Push(child => compound.Add(child));
Visit(binary.Left);
Visit(binary.Right);
_register.Pop();
return null;
}
throw new NotSupportedException($"Marten does not support the BinaryExpression {binary} (yet).");
}
protected override Expression VisitBinary(BinaryExpression binary)
{
if (_operators.ContainsKey(binary.NodeType))
{
var fragment = _parent.buildSimpleWhereClause(_mapping, binary);
_register.Peek()(fragment);
return(null);
}
if ((binary.NodeType == ExpressionType.AndAlso) || (binary.NodeType == ExpressionType.OrElse))
{
var separator = binary.NodeType == ExpressionType.AndAlso
? "and"
: "or";
var compound = new CompoundWhereFragment(separator);
_register.Peek()(compound);
_register.Push(child => compound.Add(child));
Visit(binary.Left);
Visit(binary.Right);
_register.Pop();
return(null);
}
throw new NotSupportedException($"Marten does not support the BinaryExpression {binary} (yet).");
}
protected override Expression VisitMember(MemberExpression expression)
{
if (expression.Type == typeof(bool))
{
var locator = _mapping.JsonLocator(expression);
var whereFragments = new List <IWhereFragment>
{
new WhereFragment($"{locator} IS NULL"),
new WhereFragment($"{locator} != ?", true)
};
var @where = new CompoundWhereFragment("or", whereFragments.ToArray());
_callback(@where);
}
return(base.VisitMember(expression));
}