如何在 Searchlogic 查询中添加 GROUP_BY 子句？
我将 Searchlogic 与 Rails 2.3.5 结合使用，并且需要在查询中添加包含 2 列的 GROUP_BY 子句。我尝试过：
User.search.group = "column1, column2" # Undefined method 'group'
User.search(:group => "column1, column2") # Searchlogic::Search::UnknownConditionError: The group is not a valid condition. You may only use conditions that map to a named scope
但都不起作用。我在 Searchlogic 的文档中找不到任何其他方法。还有其他办法吗？
I'm using Searchlogic with Rails 2.3.5 and I need to do add a GROUP_BY clause with 2 columns to my query. I tried:
User.search.group = "column1, column2" # Undefined method 'group'
User.search(:group => "column1, column2") # Searchlogic::Search::UnknownConditionError: The group is not a valid condition. You may only use conditions that map to a named scope
And neither worked. I couldn't find any other ways in Searchlogic's docs. Is there any other way?
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根据此页面： http://vladzloteanu .wordpress.com/2009/01/25/searchlogic-plugin-activerecord-search-on-steroids/
您可能可以使用：
According to this page: http://vladzloteanu.wordpress.com/2009/01/25/searchlogic-plugin-activerecord-search-on-steroids/
You can probably use: