我已经编写了一个在我的模型中使用的SQL查询,如下所示:
Tag.find_by_sql(["SELECT tags.id, tags.name, count(*) AS count FROM tags' AND taggings.taggable_id IN (SELECT id FROM `discussions` WHERE discussions.group_id = ?));", self.<
您的SQL语法出现了错误;请检查与MySQL服务器版本对应的手册,以获得在第15行中正确使用的语法:“:Description -104: Meta 506:Anahi的Tip-1067: Size &=B.entity_id AND B.store_id=5ON A.entity_id=C.entity_idAND C.attribut
我正在尝试使用Spring Data Spanner按交错表的字段进行查询。当Spring Data Spanner执行数组STRUCT内连接时,它会自动完成id比较,但是我不能向交错表查询添加WHERE子句。考虑下面的示例: Id INT64 NOT NULL, LastName STRINGNULL,
Id I
$tqs = "SELECT `id` FROM `hashtags` WHERE `hashtag` = '" ." table which contains the hashtag ID number.$tqs_two = "SELECT * FROM `thread` WHERE `hashtag_id` IN ('" .>
脚本应该根据hashtag的ID号来选择行。它应该查看表的&qu