PhabricatorFactManagementDestroyWorkflow.php
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	<?php

	final class PhabricatorFactManagementDestroyWorkflow
	extends PhabricatorFactManagementWorkflow {

	public function didConstruct() {
	$this
	->setName('destroy')
	->setSynopsis(pht('Destroy all facts.'))
	->setArguments(array());
	}

	public function execute(PhutilArgumentParser $args) {
	$console = PhutilConsole::getConsole();

	$question = pht(
	'Really destroy all facts? They will need to be rebuilt through '.
	'analysis, which may take some time.');

	$ok = $console->confirm($question, $default = false);
	if (!$ok) {
	return 1;
	}

	$tables = array();
	$tables[] = new PhabricatorFactRaw();
	$tables[] = new PhabricatorFactAggregate();
	foreach ($tables as $table) {
	$conn = $table->establishConnection('w');
	$name = $table->getTableName();

	$console->writeOut("%s\n", pht("Destroying table '%s'...", $name));

	queryfx(
	$conn,
	'TRUNCATE TABLE %T',
	$name);
	}

	$console->writeOut("%s\n", pht('Done.'));
	}

	}