如何判断是否是长方形

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select * from tbl_Articles WHERE ArticleID=2772546 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2772546 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2772546 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(998502,1043355,1073577,1045085,1061792,1078076,1081757,1087893,1075644,1074799,1088624,1079682,1072921,1067697,1079840,1069027,1090232,1070474,1073399,1078983,1090561,1090651,1070764,1076576,1068088,1072703,1091411,1045603,1077890,1083103) ORDER BY field (ArticleID,998502,1043355,1073577,1045085,1061792,1078076,1081757,1087893,1075644,1074799,1088624,1079682,1072921,1067697,1079840,1069027,1090232,1070474,1073399,1078983,1090561,1090651,1070764,1076576,1068088,1072703,1091411,1045603,1077890,1083103)