public ValueTask <System.Int32> CountAsync(QueryAdapterBase queryAdapter, IQueryable source, CancellationToken cancellation)
{
if (source is not IQueryable <T> typedQueryable)
{
typedQueryable = source.Cast <T>();
}
return(queryAdapter.CountAsync(typedQueryable, cancellation));
}
public ValueTask <System.Int32> CountAsync(QueryAdapterBase queryAdapter, IQueryable source, Expression predicate, CancellationToken cancellation)
{
if (source is not IQueryable <T> typedQueryable)
{
typedQueryable = source.Cast <T>();
}
if (predicate is UnaryExpression unaryExpression && unaryExpression.NodeType == ExpressionType.Quote)
{
predicate = unaryExpression.Operand;
}
// TODO: Can we convert the selector if it is not of the appropriate type?
return(queryAdapter.CountAsync(typedQueryable, (Expression <Func <T, bool> >)predicate, cancellation));
}