我有以下查询:FROM games_atp LEFT JOIN odds_atp ON (games_atp.ID1_G = odds_atp.ID1_O) AND (games_atp.ID2_G = odds_atp.ID2_O) AND (games_atp.ID_T_G = odds_atp.ID_T_O) AND (games_<em
我有以下两个独立的查询: SELECT qry_tbl_G_ov_uni_atp.ID, Max(qry_tbl_G_ov_uni_atp.nElo_Ov) AS MaxOfnElo_OvGROUP BY qry_tbl_G_ov_uni_atp.ID; 和: SELECT qry_tbl_G_ov_uni_atp.ID, Max(qry_tbl_G_ov_uni_atp.nElo_Sur) AS MaxOfnElo_Sur1
FROM
产生nil的实例变量是:@atp_gamers、@wta_gamers、@atp_champions和@wta_champions,它们在控制器中定义如下: if logged_in@gamers = User.where(gamer: true) end
引发错误的第一个实例变量(each_with_index' for nil:NilClass)是@atp</
`ID_M` AS `belgarath_matches_atp_ID_M`, oncourt.tours_atp.`NAME_T` AS `oncourt_tours_atp_NAME_T`
FROM oncourt.tours_atp INNER JOIN belgarath.matches_atp ON oncourt.tours_atp`ID_T` = belgarath.matches_atp.`ID_T_M` INNER JOIN oncourt.tours