MDEX Engine configuration

Each <MDEX_ENGINES> element in the main configuration file can have one or more <ENGINE> elements.

The <ENGINE> element contains the following children:

Element

Description

HOST

Specifies the host of an MDEX Engine to be queried by the Sitemap Generator.

PORT

Specifies the port of an MDEX Engine to be queried by the Sitemap Generator.

ROOT_QUERY

Specifies the query string for the Sitemap Generator to use when submitting the bulk export query against the specified index. Typically, this is left as a root query (N=0) to retrieve all records from an index. However, this element can also be modified to specify a subset of records to retrieve from the index. All queries should be entered in unencoded format (e.g. N=8021).

ROLLUP_KEY

(Optional) If your Assembler application uses aggregate record queries, this value specifies the record property on which to aggregate record results in the MDEX Engine. Results returned from the Engine are grouped according to this key. Alternately, you can omit this parameter and specify the rollup key within the ROOT_QUERY value.

The following example shows the configuration of an MDEX Engine with a rollup key: 

<MDEX_ENGINES>
  <ENGINE>
      <HOST>localhost</HOST>
      <PORT>15000</PORT>
      <ROOT_QUERY><![CDATA[N=0]]></ROOT_QUERY>
      <ROLLUP_KEY>product.code</ROLLUP_KEY>
  </ENGINE>
</MDEX_ENGINES>

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