protected override Expression VisitBinary(BinaryExpression expression)
{
if (expression.Type == typeof(bool) && expression.NodeType == ExpressionType.NotEqual)
{
var binaryExpression = expression.As <BinaryExpression>();
var locator = _mapping.JsonLocator(binaryExpression.Left);
if (binaryExpression.Right.NodeType == ExpressionType.Constant &&
binaryExpression.Right.As <ConstantExpression>().Value == null)
{
var @where = new WhereFragment($"({locator}) IS NULL");
_callback(@where);
return(base.VisitBinary(expression));
}
}
var parser = _supplementalParsers.OfType <IExpressionParser <BinaryExpression> >()?.FirstOrDefault(x => x.Matches(expression));
if (parser != null)
{
var where = parser.Parse(_mapping, _serializer, expression);
_callback(where);
return(expression);
}
return(base.VisitBinary(expression));
}
protected override Expression VisitBinary(BinaryExpression expression)
{
if (expression.Type == typeof(bool) && expression.NodeType == ExpressionType.NotEqual)
{
var binaryExpression = expression.As <BinaryExpression>();
var locator = _mapping.JsonLocator(binaryExpression.Left);
if (binaryExpression.Right.NodeType == ExpressionType.Constant &&
binaryExpression.Right.As <ConstantExpression>().Value == null)
{
var @where = new WhereFragment($"({locator}) IS NULL");
_callback(@where);
}
}
return(base.VisitBinary(expression));
}
