public SelectQueryBase(QueryBase innerQuery, LambdaExpression selector)
{
InnerQuery = innerQuery;
Selector = selector;
Columns = GetColumns(selector);
var groupByQuery = GetGroupByQuery(innerQuery);
if (groupByQuery != null)
{
// All group by keys must be present in the select statement
var groupByNames = new HashSet <string>(groupByQuery.KeyColumns.Select(k => k.Property.Name));
foreach (var expression in (selector.Body as NewExpression).Arguments)
{
if (expression is MemberExpression keyProperty &&
keyProperty.Member is PropertyInfo &&
keyProperty.Expression is MemberExpression keysProperty &&
keysProperty.Member is PropertyInfo &&
keysProperty.Expression.NodeType == ExpressionType.Parameter &&
keysProperty.Member.Name == nameof(IGroupedRow <object, object> .Keys))
{
groupByNames.Remove(keyProperty.Member.Name);
}
}
if (groupByNames.Count > 0)
{
throw QueryBuilderError.SelectGroupByKeyNotPresentInSelect().AsException();
}
}
}
public async void Error_On_All_GroupBy_Keys_Not_Present_In_Select_Statement(string location, string query)
{
await VerifySelectErrorRaised(QueryBuilderError.SelectGroupByKeyNotPresentInSelect(), query, location);
}