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    <title>topic Re: CDS view extension error in Application Development and Automation Discussions</title>
    <link>https://community.sap.com/t5/application-development-and-automation-discussions/cds-view-extension-error/m-p/342963#M6242</link>
    <description>&lt;P&gt;Please try without @AccessControl.authorizationCheck and @AbapCatalog.compiler.CompareFilter - It is working for me.&lt;/P&gt;&lt;P&gt;And
which version of S4HANA are you working with here?&lt;/P&gt;&lt;P&gt;Thanks,&lt;BR /&gt;
Remya&lt;/P&gt;</description>
    <pubDate>Mon, 24 Apr 2017 08:48:45 GMT</pubDate>
    <dc:creator>Former Member</dc:creator>
    <dc:date>2017-04-24T08:48:45Z</dc:date>
    <item>
      <title>CDS view extension error</title>
      <link>https://community.sap.com/t5/application-development-and-automation-discussions/cds-view-extension-error/m-p/342961#M6240</link>
      <description>&lt;P&gt;Hi All,&lt;/P&gt;&lt;P&gt;I have a CDS view as follows.&lt;/P&gt;&lt;PRE&gt;&lt;CODE&gt;@AbapCatalog.sqlViewName: 'ZCS_DD_CDS_00_1'
@AbapCatalog.compiler.CompareFilter: true
@AccessControl.authorizationCheck: #CHECK
@EndUserText.label: 'CDS view 00'
define view Zcs_Dd_Cds_00_simple as select from snwd_so
{
    key so_id as order_id,
    buyer_guid,
    gross_amount,
    currency_code
}
&lt;/CODE&gt;&lt;/PRE&gt;&lt;P&gt;Now, I am trying to extend this as follows:&lt;/P&gt;&lt;PRE&gt;&lt;CODE&gt;@AbapCatalog.sqlViewAppendName: 'ZCS_DD_CDS_05_1'
@AbapCatalog.compiler.CompareFilter: true
@AccessControl.authorizationCheck: #CHECK
@EndUserText.label: 'View extension'
extend view Zcs_Dd_Cds_00_simple with zcs_dd_cds_05_simple {
  snwd_so.delivery_status,
  snwd_so.billing_staus,
  snwd_so.created_at,
  snwd_so.created_by
  }
&lt;/CODE&gt;&lt;/PRE&gt;&lt;P&gt;but it is giving me '&lt;STRONG&gt;Specify at lease one base table&lt;/STRONG&gt;' error. Please advise on how to fix this.&lt;/P&gt;&lt;P&gt;Thank you,&lt;/P&gt;</description>
      <pubDate>Wed, 21 Dec 2016 21:51:22 GMT</pubDate>
      <guid>https://community.sap.com/t5/application-development-and-automation-discussions/cds-view-extension-error/m-p/342961#M6240</guid>
      <dc:creator>Former Member</dc:creator>
      <dc:date>2016-12-21T21:51:22Z</dc:date>
    </item>
    <item>
      <title>Re: CDS view extension error</title>
      <link>https://community.sap.com/t5/application-development-and-automation-discussions/cds-view-extension-error/m-p/342962#M6241</link>
      <description>&lt;P&gt;Can someone help me with this please?&lt;/P&gt;</description>
      <pubDate>Thu, 22 Dec 2016 17:57:13 GMT</pubDate>
      <guid>https://community.sap.com/t5/application-development-and-automation-discussions/cds-view-extension-error/m-p/342962#M6241</guid>
      <dc:creator>Former Member</dc:creator>
      <dc:date>2016-12-22T17:57:13Z</dc:date>
    </item>
    <item>
      <title>Re: CDS view extension error</title>
      <link>https://community.sap.com/t5/application-development-and-automation-discussions/cds-view-extension-error/m-p/342963#M6242</link>
      <description>&lt;P&gt;Please try without @AccessControl.authorizationCheck and @AbapCatalog.compiler.CompareFilter - It is working for me.&lt;/P&gt;&lt;P&gt;And
which version of S4HANA are you working with here?&lt;/P&gt;&lt;P&gt;Thanks,&lt;BR /&gt;
Remya&lt;/P&gt;</description>
      <pubDate>Mon, 24 Apr 2017 08:48:45 GMT</pubDate>
      <guid>https://community.sap.com/t5/application-development-and-automation-discussions/cds-view-extension-error/m-p/342963#M6242</guid>
      <dc:creator>Former Member</dc:creator>
      <dc:date>2017-04-24T08:48:45Z</dc:date>
    </item>
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