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我如何解析卡桑德拉的json樣式結果? 我正在使用cassandra-cql gem for rails,我想解析查詢結果以列出所有消息。我的查詢如下所示:如何列出Cassandra cql結果?我必須解析JSON嗎?
def self.get_messages uid
@@db.execute("SELECT * FROM messages WHERE uid=?", uid)
end
如何列出所有消息?我目前的觀點是:
<% json_dec = ActiveSupport::JSON.decode(u.row.to_json) %>
<% json_dec.each do |f| %>
<%= f[1] %><br/>
<%end%>
,並返回:
1
[{"name"=>"uid", "value"=>"1", "timestamp"=>-1}, {"name"=>"1326751801", "value"=>"test content", "timestamp"=>1326751801970000}, {"name"=>"1326754147", "value"=>"some content to test", "timestamp"=>1326754147612000}]
是否有查詢什麼更好的辦法?別人怎麼解決這個問題?
感謝這就是偉大的! – user934801 2012-01-17 18:56:25