判断两条直线是否相交的条件

页面:/news/view-596649/ | 耗时:0.4614 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=596649 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=596649 LIMIT 0,1
select * from tbl_Articles_sphinx where id=596649 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1096248,1098673,1074618,1117620,1094155,1061044,1084667,1115699,1104717,1106054,1121668,1052425,1064383,1076868,1084909,1081277,1089742,1054934,1103841,1114957,1122294,1050917,1074870,1102814,1108664,1090032,1083618,1091420,1069793,1104745) ORDER BY field (ArticleID,1096248,1098673,1074618,1117620,1094155,1061044,1084667,1115699,1104717,1106054,1121668,1052425,1064383,1076868,1084909,1081277,1089742,1054934,1103841,1114957,1122294,1050917,1074870,1102814,1108664,1090032,1083618,1091420,1069793,1104745)