Question

我正试图在续集中创建一个准备好的insert语句，我就是

db[:registration].prepare(:insert)
=> <Sequel::Mysql2::Dataset/PreparedStatement "INSERT INTO `registration` () VALUES ()">

如何创建类似于以下内容的语句：

INSERT INTO `registration` (`name`, `email`) VALUES (?, ?)

文档有点迟钝，我在网上找不到任何示例。

Answer 1

看看他们的rspecs：

statement = db[:registration].prepare(:insert, :prepared_statement_name, :email => :$email, :name => :$name)
statement.call(:name => "foo", :email => "foo@bar.com")

注意

传递给.call的密钥对应于prepare中散列中传递的值。所以这也会起作用：

statement = db[:registration].prepare(:insert, :prepared_statement_name, :email => :$e, :name => :$n) statement.call(:n => "foo", :e => "foo@bar.com")

Answer 2

ds = db[
         "INSERT INTO `registration` (`name`, `email`) VALUES (?, ?)", 
         name, email
     ]
ds.call(:insert)

如何在Sequel中创建准备好的插入语句？

2 个答案: