20180828.phriction.06.c.documentid.php
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20180828.phriction.06.c.documentid.php
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			<?php

			// See T13193. We're about to drop the "documentID" column, which is part of
			// a UNIQUE KEY. In MariaDB, we must first drop the "documentID" key or we get
			// into deep trouble.

			// There's no "IF EXISTS" modifier for "ALTER TABLE" so run this as a PHP patch
			// instead of an SQL patch.

			$table = new PhrictionContent();
			$conn = $table->establishConnection('w');

			try {
			queryfx(
			$conn,
			'ALTER TABLE %T DROP KEY documentID',
			$table->getTableName());
			} catch (AphrontQueryException $ex) {
			// Ignore.
			}