XML输入：

Question

下面是我正在创建方面的XML结构。 XML包含两个单独的文档，它们分别作为example1.xml和example2.xml加载。

XML输入：

<?xml version="1.0" encoding="UTF-8"?>
<Providers>
    <Provider>
        <id>1</id>
        <Name>Nilabh</Name>
        <Products>
            <Product>
                <Pid>1</Pid>
                <ProdName>prd1</ProdName>
                <Roles>
                    <Role>
                        <RoleCode>R1</RoleCode>
                        <Specialities>
                            <Speciality>
                                <SpecName>S1</SpecName>
                            </Speciality>
                            <Speciality>
                                <SpecName>S2</SpecName>
                            </Speciality>
                        </Specialities>
                    </Role>
                    <Role>
                        <RoleCode>R2</RoleCode>
                        <Specialities>
                            <Speciality>
                                <SpecName>S1</SpecName>
                            </Speciality>
                        </Specialities>
                    </Role>
                </Roles>
            </Product>
            <Product>
                <Pid>2</Pid>
                <ProdName>prd2</ProdName>
                <Roles>
                    <Role>
                        <RoleCode>R3</RoleCode>
                        <Specialities>
                            <Speciality>
                                <SpecName>S2</SpecName>
                            </Speciality>
                            <Speciality>
                                <SpecName>S3</SpecName>
                            </Speciality>
                        </Specialities>
                    </Role>
                    <Role>
                        <RoleCode>R1</RoleCode>
                        <Specialities>
                            <Speciality>
                                <SpecName>S4</SpecName>
                            </Speciality>
                        </Specialities>
                    </Role>
                </Roles>
            </Product>
        </Products>
    </Provider>
    <Provider>
        <id>2</id>
        <Name>Nil</Name>
        <Products>
            <Product>
                <Pid>1</Pid>
                <ProdName>prd1</ProdName>
                <Roles>
                    <Role>
                        <RoleCode>R1</RoleCode>
                        <Specialities>
                            <Speciality>
                                <SpecName>S1</SpecName>
                            </Speciality>
                            <Speciality>
                                <SpecName>S3</SpecName>
                            </Speciality>
                        </Specialities>
                    </Role>
                    <Role>
                        <RoleCode>R2</RoleCode>
                        <Specialities>
                            <Speciality>
                                <SpecName>S3</SpecName>
                            </Speciality>
                        </Specialities>
                    </Role>
                </Roles>
            </Product>
            <Product>
                <Pid>3</Pid>
                <ProdName>prd3</ProdName>
                <Roles>
                    <Role>
                        <RoleCode>R3</RoleCode>
                        <Specialities>
                            <Speciality>
                                <SpecName>S5</SpecName>
                            </Speciality>
                            <Speciality>
                                <SpecName>S3</SpecName>
                            </Speciality>
                        </Specialities>
                    </Role>
                    <Role>
                        <RoleCode>R2</RoleCode>
                        <Specialities>
                            <Speciality>
                                <SpecName>S1</SpecName>
                            </Speciality>
                        </Specialities>
                    </Role>
                </Roles>
            </Product>
        </Products>
    </Provider>
</Providers>

下面是我用于使用facet查询的XQuery。我在ProdName和SpecName上定义了范围索引。

import module namespace search = "http://marklogic.com/appservices/search" at "/MarkLogic/appservices/search/search.xqy";

let $options := <options xmlns="http://marklogic.com/appservices/search">
  <additional-query>{cts:element-query(xs:QName("ProdName"),"prd3")}</additional-query>
  <constraint name="ProdName">
    <range type="xs:string" collation="http://marklogic.com/collation/codepoint" facet="true">
      <element ns="" name="ProdName"/>
      <facet-option>frequency-order</facet-option>
    </range>
  </constraint>
  <constraint name="SpecName">  
    <range type="xs:string" collation="http://marklogic.com/collation/codepoint" facet="true">
      <element ns="" name="SpecName"/>
      <facet-option>frequency-order</facet-option>
    </range>
  </constraint>

  <return-results>true</return-results>
  <return-facets>true</return-facets>
  <debug>true</debug>
</options>

return search:search(" ", $options)

上面的查询输出如下所示，显示了facet的所有条目。但是根据我的上述查询 我期待“SpecName”Facet应该只包含[s4（1），s3（1），s5（1）]条目，因为这是在prd3产品中 ，但下面的输出包括结果xml中的所有条目。有人可以帮我按预期实现输出。

输出：

<search:response snippet-format="snippet" total="2" start="1" page-length="10" xmlns:search="http://marklogic.com/appservices/search">
  <search:result index="1" uri="/providers/2.xml" path="fn:doc("/providers/2.xml")" score="2048" confidence="0.1760856" fitness="0.2357023">
    <search:snippet>
      <search:match path="fn:doc("/providers/2.xml")/Provider/Products/Product[2]">
        <search:highlight>prd3</search:highlight>
      </search:match>
    </search:snippet>
  </search:result>
  <search:result index="2" uri="/providers/1.xml" path="fn:doc("/providers/1.xml")" score="2048" confidence="0.1760856" fitness="0.2357023">
    <search:snippet>
      <search:match path="fn:doc("/providers/1.xml")/Provider/Products/Product[3]">
        <search:highlight>prd3</search:highlight>
      </search:match>
    </search:snippet>
  </search:result>
  <search:facet name="ProdName" type="xs:string">
    <search:facet-value name="prd1" count="2">prd1</search:facet-value>
    <search:facet-value name="prd3" count="2">prd3</search:facet-value>
    <search:facet-value name="prd2" count="1">prd2</search:facet-value>
    <search:facet-value name="prd5" count="1">prd5</search:facet-value>
  </search:facet>
  <search:facet name="SpecName" type="xs:string">
    <search:facet-value name="S1" count="2">S1</search:facet-value>
    <search:facet-value name="S3" count="2">S3</search:facet-value>
    <search:facet-value name="S2" count="1">S2</search:facet-value>
    <search:facet-value name="S4" count="1">S4</search:facet-value>
    <search:facet-value name="S5" count="1">S5</search:facet-value>
    <search:facet-value name="S6" count="1">S6</search:facet-value>
  </search:facet>
  <search:qtext>
  </search:qtext>
  <search:report id="SEARCH-FLWOR">(cts:search(fn:collection(), cts:and-query(cts:element-query(fn:QName("","ProdName"), cts:word-query("prd3", ("lang=en"), 1), ()), ()), ("score-logtfidf","faceted",cts:score-order("descending")), 1))[1 to 10]</search:report>
  <search:metrics>
    <search:query-resolution-time>PT0.596S</search:query-resolution-time>
    <search:facet-resolution-time>PT0.1S</search:facet-resolution-time>
    <search:snippet-resolution-time>PT0.047S</search:snippet-resolution-time>
    <search:total-time>PT1.275S</search:total-time>
  </search:metrics>
</search:response>

我的要求就好像有人搜索ProdName：prd1和RoleCode：R1然后Facet SpecName应该显示输出为S1（2），S2（1），S3（1）。你能指导我如何获得这个输出。

此致 Nilabh

Answer 1

您试图获得每个产品的方面结果，但将所有产品存储在一个片段中。我认为你最好在产品级别拆分大型XML。

HTH！

Answer 2

有多个步骤可以满足您的要求：

在您的数据库集＆＃39; Fragment Parents＆＃39; as＆＃39;产品＆＃39;。
在＆＃39; RoleCode＆＃39;，＆＃39; ProdName＆＃39;和＆＃39; SpecName＆＃39;
将您的文档插入ML数据库。
从ML查询控制台运行以下搜索脚本：

搜索：搜索（＆＃34;（（ProdName：prd1）AND（RoleCode：R1））＆＃34;，$ options）

将为您提供预期的输出：

<search:response snippet-format="snippet" total="1" start="1" page-length="10" xmlns:search="http://marklogic.com/appservices/search">
<search:result></search:result>
<search:facet name="ProdName" type="xs:string">
<search:facet-value name="prd1" count="2">prd1</search:facet-value>
</search:facet>
<search:facet name="RoleCode" type="xs:string">
<search:facet-value name="R1" count="2">R1</search:facet-value>
<search:facet-value name="R2" count="2">R2</search:facet-value>
</search:facet>
<search:facet name="SpecName" type="xs:string">
<search:facet-value name="S1" count="2">S1</search:facet-value>
<search:facet-value name="S2" count="1">S2</search:facet-value>
<search:facet-value name="S3" count="1">S3</search:facet-value>
</search:facet>
<search:qtext>((ProdName:prd1) AND (RoleCode:R1))</search:qtext>
<search:report id="SEARCH-FLWOR">(cts:search(fn:collection(), cts:and-query((cts:element-range-query(fn:QName("","ProdName"), "=", "prd1", ("collation=http://marklogic.com/collation/"), 1), cts:element-range-query(fn:QName("","RoleCode"), "=", "R1", ("collation=http://marklogic.com/collation/"), 1)), ()), ("score-logtfidf","faceted",cts:score-order("descending")), 1))[1 to 10]</search:report>
<search:metrics>
<search:query-resolution-time>PT0.088S</search:query-resolution-time>
<search:facet-resolution-time>PT0.198S</search:facet-resolution-time>
<search:snippet-resolution-time>PT0.016S</search:snippet-resolution-time>
<search:total-time>PT0.389S</search:total-time>
</search:metrics>
</search:response>

MarkLogic的方面未达到预期效果

XML输入：

输出：

2 个答案: