queryfx.php
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	<?php

	/*
	* Copyright 2011 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	function queryfx(PhutilDatabaseConnection $conn, $sql/, ... /) {
	$argv = func_get_args();
	$query = call_user_func_array('qsprintf', $argv);
	return $conn->executeRawQuery($query);
	}

	function vqueryfx($conn, $sql, $argv) {
	array_unshift($argv, $conn, $sql);
	return call_user_func_array('queryfx', $argv);
	}

	function queryfx_all($conn, $sql/, ... /) {
	$argv = func_get_args();
	$ret = call_user_func_array('queryfx', $argv);
	return $conn->selectAllResults($ret);
	}

	function queryfx_one($conn, $sql/, ... /) {
	$argv = func_get_args();
	$ret = call_user_func_array('queryfx_all', $argv);
	if (count($ret) > 1) {
	throw new PhutilQueryCountException(
	'Query returned more than one row.');
	} else if (count($ret)) {
	return reset($ret);
	}
	return null;
	}