在Rails中,Order by字段用于指定查询结果的排序方式。然而,如果不正确地处理用户输入,可能会导致SQL注入漏洞。Brakeman是一个用于检测Rails应用程序中安全漏洞的静态代码分析工具,它可以帮助开发人员发现并修复潜在的SQL注入问题。 SQL注入是一种常见的安全漏洞,攻击者可以通过在用户输入中插入恶意的SQL代码来执行未经...
位于/admin/order/order/ relation "order_order“的计数不存在第1行: SELECT COUNT(*) AS "__count”FROM "order_order“ MySQL选择2列的order by值 关联的Rails 'order‘(Mysql2::Error:未知列) 删除基于列的值 rails 4上的Order by条件 基于另一个列条件的Group by列值以及sum和count ...
Rails/ActiveRecord order by Array ActiveRecord中如果想根据自定义的一个数组id集合排序: ids = [2,1,3] users= User.where("id in (?)",ids) results= ids.map{|id| users.detect{|each| each.id == id}}
这个其实算是简单的,最开始想到的或许是用Rails提供的model.find_by_sql来查 sql=<<-SQLSELECT*From(SELECTss.nameASname,count(DISTINCTo.id)as order_quantity,sum(i.quantity*i.unit_price-i.discount_amount)ASrevenuFROMorders o,order_items i,products p,standard_products sp,channels ssWHEREo.id=i....
add_include "app/models/user.hpp", include_in_header: true Model.add 'Event' do order_by 'starts_at' visibility :protected property 'std::string', 'name' property 'std::time_t', 'starts_at' property 'double', 'duration', validate: { min: 0 } property 'bool', 'enabled', default...
Note the order is maintained in the returned results. Options EitherGlobalID::Locator.locateorGlobalID::Locator.locate_manysupports a hash of options as second parameter. The supported options are: :includes - A Symbol, Array, Hash or combination of them The same structure you would pass into...
He said that the country's security agencies are actively working to fight the menace of terrorism, adding that the government and security forces will not let the terrorists succeed in their heinous plans of deteriorating the law and order situation of the province. ...
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order = "order by #{options[:order]}" if options[:order] limit = sanitize_sql(['limit ?', options[:limit]]) if options[:limit] Tag.find_by_sql <<-END select tags.id, tags.name, count(*) as count from tags left outer join taggings on tags.id = taggings.tag_id ...
corruption by uploading to a key on the storage service which happened to be already taken. Creating the record would then correctly raise a database uniqueness exception but the stored object would already have overwritten another. `create_and_upload!` swaps the order of operations so that...