var convID = 2525;
var contactUsername = 'blabla';
var userId = 100;
var contactId = 200;

var sql = "INSERT INTO contacts (FK_OWNERID, FK_USERID, FC_CONTACTNAME, `CONVERSATION_ID`)
                     VALUES (" + mysql.escape(userId) + "," + mysql.escape(contactId) + "," + mysql.escape(contactUsername) + "," + convID + "),
                     (" + mysql.escape(contactId) + "," + mysql.escape(userId) + "," + mysql.escape(username) + "," + convID + ")";

错误：ER_BAD_FIELD_ERROR：“字段列表”中的未知列“
2525”对于CONVERSATION_ID和FC_CONTACTNAME而言，字段均为varchar（32），对于其他2个字段均为int。

此查询出了什么问题？我什至放回了句号CONVERSATION_ID，它认为convID变量是一列…

编辑：

如果我的查询就是这样，那么它可以工作：

        var sql = "INSERT INTO contacts (`FK_OWNERID`, `FK_USERID`, `FC_CONTACTNAME`)
                 VALUES (" + mysql.escape(userId) + "," + mysql.escape(contactId) + "," + mysql.escape(contactUsername) + "),
                 (" + mysql.escape(contactId) + "," + mysql.escape(userId) + "," + mysql.escape(username) + ")";