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solr4 引入了 join 功能,所以我们可以使用下面的 url:
{!join from=fromField to=toField fromIndex=fromCoreName}news_headline:apple
但是我有这样的场景,不仅需要news_headline,还需要news_type,怎么在这个url中添加news_type呢?
睡了一觉,发现这个url和q是一样的,可以这样解决:
{!join from=fromField to=toField fromIndex=fromCoreName}news_headline:apple AND news_type:internal