liskcounters.php
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	<?php

	// Switch PhabricatorWorkerActiveTask from autoincrement IDs to counter IDs.
	// Set the initial counter ID to be larger than any known task ID.

	$active_table = new PhabricatorWorkerActiveTask();
	$archive_table = new PhabricatorWorkerArchiveTask();

	$conn_w = $active_table->establishConnection('w');

	$active_auto = head(queryfx_one(
	$conn_w,
	'SELECT auto_increment FROM information_schema.tables
	WHERE table_name = %s
	AND table_schema = DATABASE()',
	$active_table->getTableName()));

	$active_max = head(queryfx_one(
	$conn_w,
	'SELECT MAX(id) FROM %T',
	$active_table->getTableName()));

	$archive_max = head(queryfx_one(
	$conn_w,
	'SELECT MAX(id) FROM %T',
	$archive_table->getTableName()));

	$initial_counter = max((int)$active_auto, (int)$active_max, (int)$archive_max);

	queryfx(
	$conn_w,
	'INSERT IGNORE INTO %T (counterName, counterValue)
	VALUES (%s, %d)',
	LiskDAO::COUNTER_TABLE_NAME,
	$active_table->getTableName(),
	$initial_counter + 1);

	// Drop AUTO_INCREMENT from the ID column.
	queryfx(
	$conn_w,
	'ALTER TABLE %T CHANGE id id INT UNSIGNED NOT NULL',
	$active_table->getTableName());