2007-03-02 19:16:45 +00:00
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<h1>Labels and SQL Expressions</h1>
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2005-11-27 10:56:53 +00:00
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2007-03-02 19:16:45 +00:00
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<p>Labels are generated by using SQL expressions. The «SQL expression» is added to WHERE clause of view feed query. You can match on ttrss_entries table fields and even use subselect to query additional information. This functionality is considered to be advanced and requires some understanding of SQL.</p>
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2005-11-27 10:56:53 +00:00
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<h2>Examples</h2>
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<p>Match all unread articles:</p>
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2008-01-11 07:18:19 +00:00
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<code>unread = true</code>
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2005-11-27 10:56:53 +00:00
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<p>Matches all articles which mention Linux in the title:</p>
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2008-01-11 07:18:19 +00:00
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<code>ttrss_entries.title like '%Linux%'</code>
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2005-11-27 10:56:53 +00:00
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2008-01-11 07:06:04 +00:00
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<p>Matches all articles for the last week (PostgreSQL):</p>
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2005-11-27 10:56:53 +00:00
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2008-01-11 07:18:19 +00:00
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<code>updated > NOW() - INTERVAL '7 days'</code>
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2008-01-11 07:06:04 +00:00
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<p>See the database schema <a target="_blank" href="http://tt-rss.org/trac/browser/schema/ttrss_schema_pgsql.sql">here</a> or included in the distribution package for gruesome details. The relevant tables are <b>ttrss_entries</b> and <b>ttrss_user_entries</b>.</p>
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<p class="insensitive">Feel free to post more clever examples of labels on Tiny
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Tiny RSS <a target="_blank" href="http://tt-rss.org/forum">forums</a>.</p>
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