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Solr 搜索:與搜索查詢匹配的多值字段的計數

[英]Solr search : count of matching multivalued field with search query

假設下面是我在 solr 中的文件

[{"url": "/buy/1/", "items": ["i_123", "i_1234", "i_12345", "i_12346"]},  {"url": "/buy/2/", "items": ["i_123", "i_1234", "i_12346"]}, {"url": "/buy/3/","items": ["i_123", "i_12346"]},  {"url": "/buy/4/","items": ["i_123", "i_234", "i_2345"]}]

我的查詢是fq=items:(i_123 i_1234 i_12345)然后結果頁面應該給出匹配項目計數和查詢項目。

結果應該是一個額外的字段matching_items_count

[{"url": "/buy/1/""items": ["i_123", "i_1234", "i_12345", "i_12346"],"matching_items_count": 3}, {"url": "/buy/2/","items": ["i_123", "i_1234", "i_1234444"],"matching_items_count": 2}, {"url": "/buy/3/","items": ["i_123", "i_12346"],"matching_items_count": 1}, { "url": "/buy/4/","items": ["i_123", "i_234", "i_2345"],"matching_items_count": 1}]

在這種情況下,您可以使用 Function 查詢來獲取計數。

在歸檔列表 (fl) 中,除了url項目字段之外,您還可以編寫 -

url,items,count:sum(termfreq(items,"i_123"),termfreq(items,"i_1234"),termfreq(items,"i_12345"))

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