doujiu8178 2018-08-09 16:53
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如何在Buffalo中执行原始SQL?

How can I execute raw SQL queries in Buffalo without having to set up my own db connection with sqlx?

To clarify: I have my database connection defined in database.yml, but I don't want to use Pop models at this time.

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  • doutui6644 2018-08-09 18:51
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    You can also define your RawQueries with Pop: https://godoc.org/github.com/gobuffalo/pop#Connection.RawQuery

    Inside your Buffalo actions you could do something like this:

    func (v myResource) MyMethod(c buffalo.Context) error {
        // Get the DB connection from the context
        tx, ok := c.Value("tx").(*pop.Connection) // you get your connection here
        if !ok {
            return errors.WithStack(errors.New("no transaction found"))
        }
        q := tx.RawQuery("select * from foo where id = ?", 1) // you make your query here
        if err := q.All(model); err != nil {
            return errors.WithStack(err)
        }
    }
    

    This would be a solution to use Pop but not the predefined models. In that case you just use the connection which comes with the Buffalo context.

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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