FetchXML for SQL Join having filter

Question

我正在尝试构建与SQL query等价物的FetchXML，我对FetchXML的使用非常陌生：

SELECT o.opportunityid,c1.accountid
FROM dbo.opportunity o
LEFT JOIN dbo.account c1 on o.customerid = c1.accountid and o.customeridtype = 1 

转到

<fetch mapping="logical" version="1.0">
  <entity name="opportunity">
  <attribute name="opportunityid" />
    <link-entity name="account" from="accountid" to="customerid" alias="A1" link-type="outer" >
        <filter type="and" >
            <condition attribute="customeridtype" operator="eq" value="1" />
        </filter>
    <attribute name="accountid" /> 
    </link-entity>

但这是抛出错误，说属性"customeridtype“不存在于实体"account”中。该属性来自SQL查询中的opportunity实体。我该如何解决这个问题呢？

Answer 1

我刚刚在我的一个Dynamics实例中触发了这个，并给出了正确的结果

<fetch>
      <entity name="opportunity" >
        <attribute name="opportunityid" />
        <attribute name="customeridtype" />
        <filter type="and" >
          <condition attribute="customeridtype" operator="eq" value="1" />
        </filter>
        <link-entity name="account" from="accountid" to="customerid" link-type="outer" alias="Account" >
          <attribute name="accountid" alias="AccountId" />
        </link-entity>
      </entity>
    </fetch>

Answer 2

从内部link-entity xml节点到外部entity节点取出filter。

你可以试试XrmToolBox fetchxml builder或者Kingswaysoft sql2fetchxml在线工具。

<fetch mapping="logical" version="1.0">
  <entity name="opportunity">
  <attribute name="opportunityid" />

    <filter type="and" >
        <condition attribute="customeridtype" operator="eq" value="1" />
    </filter>

    <link-entity name="account" from="accountid" to="customerid" alias="A1" link-type="outer" >
        <attribute name="accountid" />   
    </link-entity>