testing

20130218.updatechannelid.php
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			<?php

			echo pht('Updating channel IDs of previous chatlog events...')."\n";
			$event_table = new PhabricatorChatLogEvent();
			$channel_table = new PhabricatorChatLogChannel();

			$event_table->openTransaction();
			$channel_table->openTransaction();

			$event_table->beginReadLocking();
			$channel_table->beginReadLocking();

			$events = new LiskMigrationIterator($event_table);
			$conn_w = $channel_table->establishConnection('w');

			foreach ($events as $event) {
			if ($event->getChannelID()) {
			continue;
			}

			$event_row = queryfx_one(
			$conn_w,
			'SELECT channel FROM %T WHERE id = %d',
			$event->getTableName(),
			$event->getID());
			$event_channel = $event_row['channel'];

			$matched = queryfx_one(
			$conn_w,
			'SELECT * FROM %T WHERE
			channelName = %s AND serviceName = %s AND serviceType = %s',
			$channel_table->getTableName(),
			$event_channel,
			'',
			'');

			if (!$matched) {
			$matched = id(new PhabricatorChatLogChannel())
			->setChannelName($event_channel)
			->setServiceType('')
			->setServiceName('')
			->setViewPolicy(PhabricatorPolicies::POLICY_USER)
			->setEditPolicy(PhabricatorPolicies::POLICY_USER)
			->save();
			$matched_id = $matched->getID();
			} else {
			$matched_id = $matched['id'];
			}

			queryfx(
			$event->establishConnection('w'),
			'UPDATE %T SET channelID = %d WHERE id = %d',
			$event->getTableName(),
			$matched_id,
			$event->getID());
			}

			$event_table->endReadLocking();
			$channel_table->endReadLocking();

			$event_table->saveTransaction();
			$channel_table->saveTransaction();

			echo "\n".pht('Done.')."\n";