Google Search Appliance External Metadata Indexing Guide Bedienungsanleitung PDF herunterladen (Seite 10)

Google Search Appliance: External Metadata Indexing Guide 10

2. Create a

element for each primary document. In the

element, insert one or

<meta>

elements, as shown in the following example:

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE gsafeed PUBLIC "-//Google//DTD GSA Feeds//EN" "">

<datasource>sample</datasource>

</header>

<group>

<record url="http://www.corp.enterprise.com/hello01"

mimetype="text/plain" last-modified="Tue, 17 Feb 2009 12:45:26 GMT">

</metadata>

3. Insert the contents of the primary document into the

element of the record, as shown in

the following example:

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE gsafeed PUBLIC "-//Google//DTD GSA Feeds//EN" "">

<datasource>sample</datasource>

</header>

<group>

<record url="http://www.corp.enterprise.com/hello01"

mimetype="text/plain" last-modified="Tue, 17 Feb 2009 12:45:26 GMT">

</metadata>

<content> This is hello02 content. </content>

</record>

</group>

</gsafeed>

Note: The previous example uses a full feed (

). With full feeds, fed

documents are removed from the index within six hours. For more information, see “Removing Feed

Content From the Index” in the Feeds Protocol Developer’s Guide. You can use an incremental feed to

avoid fed documents being removed from the index by replacing the

<feedtype>full

element with the

<feedtype>incremental</feedtype>

element.

If the content is text-based content, it can be inserted directly into the feed XML file. If it is non-text

content (

.pdf, .doc

, and other file types), you need to base64-encode the content and set the record’s

encoding

attribute to

encoding="base64binary"

, as described in the Feeds Protocol Developer’s Guide.

You should be aware that when you update a content feed for a primary document, the search

appliance does not automatically update the associated metadata feed in its index unless the

corresponding record has a

section. Similarly, if you update a metadata feed, the search

appliance does not automatically update the associated primary document feed in its index. If you want

to update a content feed and a metadata feed, you should explicitly push both of these feeds to the

index.

To update the metadata of a url using metadata-and-url feed, the search appliance must be able to

crawl the url specified in the

tag. Therefore this process cannot be used for content that was

indexed through a content feed (for example, by using the File System connector).

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