为此,我需要检查在"votes“单元格中的JSON数组中,"upvote”字段是否包含用户名(即$username)。}\'::jsonb AS "is_upvoted" FROM "pages" WHERE "id" = :id', [":id"=>$id,":username"=>$username]; 问题是,在替换占位符时,Red
我正在尝试Linux终端(centos)中的几个命令 mysql -u whoisdat_count -pMYPASSWORD -D whoisdat_count -e "CREATE TABLE COUEcorresponds to your MySQL server version for the right syntax to use near 'varchar(255))' at line 1 但是当我在PHPmyAdmin中运行相同的命令时 CRE