public GroupByQueryBase(QueryBase innerQuery, LambdaExpression keys)
{
InnerQuery = innerQuery;
if (keys == null)
{
throw BuilderError.ArgumentNull(nameof(keys)).AsException();
}
// Keys must be named
if (keys.Body is NewExpression newExpression)
{
KeyColumns = newExpression.Members.Zip(newExpression.Arguments, (l, r) => (Left: l, Right: r))
.Select(p => (p.Left as PropertyInfo, p.Right))
.ToImmutableArray();
}
else
{
throw QueryBuilderError.GroupByNotNewExpression().AsException();
}
}
public async void Error_On_Keys_Not_New_Expression(string groupBy, string location)
{
await VerifyGroupByErrorRaised(QueryBuilderError.GroupByNotNewExpression(), groupBy, location);
}