public UpdateQueryFluentBuilder1 <TModel> AddToList <TValue>(Expression <Func <TModel, IList <TValue> > > field, TValue value, UpdateAddToListFlags flags = UpdateAddToListFlags.None)
{
_updateStatementsBuilder.AddToList(field, value, flags);
return(this);
}
public UpdateStatementsBuilder <TModel> AddToList <TValue>(Expression <Func <TModel, IList <TValue> > > field, TValue value, UpdateAddToListFlags flags = UpdateAddToListFlags.None)
{
var pi = NodeVisitor.VisitPath(field, null);
if (pi.Expression.Type is KDPgValueTypeArray)
{
if ((flags & UpdateAddToListFlags.Distinct) == UpdateAddToListFlags.None)
{
AddUpdate(pi.Column, src => ExpressionBuilders.ArrayAddItem(src, value));
}
else
{
AddUpdate(pi.Column, src => ExpressionBuilders.KDPgArrayDistinct(ExpressionBuilders.ArrayAddItem(src, value)));
}
}
else if (pi.Expression.Type is KDPgValueTypeJson)
{
if (flags != 0)
{
throw new Exception("flags not allowed on json array");
}
AddUpdate(pi.Column, src => ExpressionBuilders.KDPgJsonbAdd(src, pi.JsonPath, value));
}
else
{
throw new Exception("unable to add to non-list");
}
return(this);
}
