public static async Task <T> AggregateAsync <T>(
this QueryFactory db,
Query query,
string aggregateOperation,
params string[] columns
)
{
return(await db.ExecuteScalarAsync <T>(query.AsAggregate(aggregateOperation, columns)));
}
public static async Task <T> CountAsync <T>(this QueryFactory db, Query query, params string[] columns)
{
return(await db.ExecuteScalarAsync <T>(query.AsCount(columns)));
}
public static async Task <T> CountAsync <T>(this Query query, params string[] columns)
{
QueryFactory db = QueryHelper.CreateQueryFactory(query);
return(await db.ExecuteScalarAsync <T>(query.AsCount(columns)));
}
