List <AggregatedChampionStatistics> LoadAggregatedChampionStatisticsWithCTE(Summoner summoner, MapType map, GameModeType gameMode, DbConnection connection)
{
const string query =
"with source as " +
"(select game.map, game.game_mode, game.blue_team_id, game.purple_team_id, game.blue_team_won, player.team_id, player.summoner_id, player.champion_id, player.kills, player.deaths, player.assists, player.gold, player.minion_kills from game, player where player.summoner_id = :summoner_id and game.map = :map and game.game_mode = :game_mode and (game.blue_team_id = player.team_id or game.purple_team_id = player.team_id)) " +
"select statistics.champion_id, coalesce(champion_wins.wins, 0) as wins, coalesce(champion_losses.losses, 0) as losses, statistics.kills, statistics.deaths, statistics.assists, statistics.gold, statistics.minion_kills from " +
"(select source.champion_id, sum(source.kills) as kills, sum(source.deaths) as deaths, sum(source.assists) as assists, sum(source.gold) as gold, sum(source.minion_kills) as minion_kills from source group by source.champion_id) " +
"as statistics " +
"left outer join " +
"(select champion_id, count(*) as wins from source where (blue_team_won = 1 and blue_team_id = team_id) or (blue_team_won = 0 and purple_team_id = team_id) group by champion_id) " +
"as champion_wins " +
"on statistics.champion_id = champion_wins.champion_id " +
"left outer join " +
"(select champion_id, count(*) as losses from source where (blue_team_won = 0 and blue_team_id = team_id) or (blue_team_won = 1 and purple_team_id = team_id) group by champion_id) " +
"as champion_losses " +
"on statistics.champion_id = champion_losses.champion_id";
using (var select = Command(query, connection))
{
select.Set("map", map);
select.Set("game_mode", gameMode);
select.Set("summoner_id", summoner.Id);
using (var reader = select.ExecuteReader())
{
List <AggregatedChampionStatistics> output = new List <AggregatedChampionStatistics>();
while (reader.Read())
{
AggregatedChampionStatistics statistics = new AggregatedChampionStatistics(reader);
output.Add(statistics);
}
return(output);
}
}
}
List <AggregatedChampionStatistics> LoadAggregatedChampionStatisticsWithTemporaryView(Summoner summoner, MapType map, GameModeType gameMode, DbConnection connection)
{
Profiler profiler = new Profiler(false, "LoadAggregatedChampionStatisticsWithTemporaryView", GlobalHandler);
string viewName = GetViewName();
try
{
//Create a temporary view with a dynamically generated name to emulate the former CTE
string temporaryString = connection.IsMySQL() ? "" : "temporary ";
string createViewQuery = "create " + temporaryString + "view {0} as select game.map, game.game_mode, game.blue_team_id, game.purple_team_id, game.blue_team_won, player.team_id, player.summoner_id, player.champion_id, player.kills, player.deaths, player.assists, player.gold, player.minion_kills from game, player where game.blue_team_id = player.team_id or game.purple_team_id = player.team_id";
using (var createView = Command(createViewQuery, connection, viewName))
{
createView.Execute();
string commonWhereClause = string.Format("{0}.summoner_id = :summoner_id and {0}.map = :map and {0}.game_mode = :game_mode", viewName);
string selectQuery =
"select statistics.champion_id, coalesce(champion_wins.wins, 0) as wins, coalesce(champion_losses.losses, 0) as losses, statistics.kills, statistics.deaths, statistics.assists, statistics.gold, statistics.minion_kills from " +
"(select {0}.champion_id, sum({0}.kills) as kills, sum({0}.deaths) as deaths, sum({0}.assists) as assists, sum({0}.gold) as gold, sum({0}.minion_kills) as minion_kills from {0} where {1} group by {0}.champion_id) " +
"as statistics " +
"left outer join " +
"(select champion_id, count(*) as wins from {0} where {1} and ((blue_team_won = 1 and blue_team_id = team_id) or (blue_team_won = 0 and purple_team_id = team_id)) group by champion_id) " +
"as champion_wins " +
"on statistics.champion_id = champion_wins.champion_id " +
"left outer join " +
"(select champion_id, count(*) as losses from {0} where {1} and ((blue_team_won = 0 and blue_team_id = team_id) or (blue_team_won = 1 and purple_team_id = team_id)) group by champion_id) " +
"as champion_losses " +
"on statistics.champion_id = champion_losses.champion_id";
using (var select = Command(selectQuery, connection, viewName, commonWhereClause))
{
select.Set("map", map);
select.Set("game_mode", gameMode);
select.Set("summoner_id", summoner.Id);
profiler.Start("ExecuteReader");
using (var reader = select.ExecuteReader())
{
profiler.Stop();
profiler.Start("AggregatedChampionStatistics/drop");
List <AggregatedChampionStatistics> output = new List <AggregatedChampionStatistics>();
while (reader.Read())
{
AggregatedChampionStatistics statistics = new AggregatedChampionStatistics(reader);
output.Add(statistics);
}
reader.Close();
using (var dropView = Command("drop view {0}", connection, viewName))
dropView.Execute();
profiler.Stop();
return(output);
}
}
}
}
finally
{
ReleaseViewName(viewName);
}
}