我想预览DBI :: dbBind()。我对它如何检查查询是否为需要参数的查询很感兴趣。
这是我输入要检查的内容:
`DBI::dbBind`
疯人院:
> standardGeneric for "dbBind" defined from package "DBI"
>function (res, params, ...)
>standardGeneric("dbBind")
><bytecode: 0x0000000028eb9148>
><environment: 0x0000000028ebd650>
>Methods may be defined for arguments: res, params
>Use `showMethods("dbBind")` for currently available ones.
。
showMethods("dbBind")
答案:
函数“ dbBind”:
不是S4通用函数