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我想使用solr的正則表達式功能來查詢日期字段。 我試圖做一個簡單的查詢,如下所示,但我得到0個結果,沒有錯誤。 ? ... Q = DATE:/ 200 [0-9] -03-30T11 \ 58 \:40Z/& FL = DATESolr日期正則表達式查詢
下面是一些樣本輸出:
<response>
<lst name="responseHeader">
<int name="status">0</int>
<int name="QTime">0</int>
<lst name="params">
<str name="fl">id,date</str>
<str name="q">date:/.*:.*/</str>
</lst>
</lst>
<result name="response" numFound="39" start="0">
<doc>
<str name="id">1362932537549-A17C9685</str>
<date name="date">2012-10-31T14:57:53Z</date>
</doc>
<doc>
<str name="id">1362932537549-AD280D59</str>
<date name="date">2012-10-25T09:57:53Z</date>
</doc>
<doc>
<str name="id">1362932537549-B091BE97</str>
<date name="date">2012-10-23T09:57:53Z</date>
</doc>
<doc>
<str name="id">1362932537549-B0D8341C</str>
<date name="date">2012-10-22T14:57:53Z</date>
</doc>
<doc>
<str name="id">1362932537549-40083ADB</str>
<date name="date">2010-08-12T14:33:00Z</date>
</doc>
<doc>
<str name="id">1362932537549-9CA68015</str>
<date name="date">2011-07-20T12:25:02Z</date>
</doc>
...
<response>
<lst name="responseHeader">
<int name="status">0</int>
<int name="QTime">8380</int>
<lst name="params">
<str name="fl">id,date</str>
<str name="q">date:/.*.*/</str>
</lst>
</lst>
<result name="response" numFound="1263" start="0">
<doc>
<str name="id">1362932537549-5A0DAFB7</str>
<date name="date">2010-08-12T14:31:00Z</date>
</doc>
<doc>
<str name="id">1362932537549-D712F1C71</str>
<date name="date">2011-12-01T13:23:53Z</date>
</doc>
<doc>
<str name="id">1362932537549-3FAA6BC</str>
<date name="date">2012-05-25T14:26:08Z</date>
</doc>
<doc>
<str name="id">1362932537549-C8A6B81F</str>
<date name="date">2010-08-12T14:25:00Z</date>
</doc>
<doc>
<str name="id">1362932537549-D712F1C8</str>
<date name="date">2011-12-01T13:23:53Z</date>
</doc>
...
<response>
<lst name="responseHeader">
<int name="status">0</int>
<int name="QTime">34443</int>
<lst name="params">
<str name="fl">id,date</str>
<str name="q">date:/.*0.*/</str>
</lst>
</lst>
<result name="response" numFound="65" start="0">
<doc>
<str name="id">1362932537549-A4BC013G</str>
<date name="date">2012-10-29T17:57:53Z</date>
</doc>
<doc>
<str name="id">1362932537549-862F708G</str>
<date name="date">2013-02-14T09:48:46Z</date>
</doc>
<doc>
<str name="id">1362932537549-B8A38A74</str>
<date name="date">2013-02-14T09:49:18Z</date>
</doc>
<doc>
<str name="id">1362932537549-D4BA90CD</str>
<date name="date">2007-10-09T21:53:34Z</date>
</doc>
<doc>
<str name="id">1362932537549-3028513F</str>
<date name="date">2011-06-24T20:30:22Z</date>
</doc>
如果這有幫助,像...?q = text:/ message(。*)?/&fl = id這樣的東西,文本將工作並返回每個文檔,並將'text'字段設置爲消息。對於日期字段,當我嘗試以下時,我得到0個結果:...?q =日期:/ 2013-03-30T15 \:58 \:4(。*)?/&fl = id,日期 –
開始於比較簡單的表達方式如'?q = date:/.*/& fl = date'。如果這不起作用,那麼'date'不是'string'類型,可以直接進行正則表達式化。 –
^這是有效的。當我使用時,我找回所有記錄?q = date:/.*/& fl = date –