892 lines
21 KiB
PHP
892 lines
21 KiB
PHP
<?php
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/**
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* FuzeWorks.
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*
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* The FuzeWorks MVC PHP FrameWork
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*
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* Copyright (C) 2015 TechFuze
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @author TechFuze
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* @copyright Copyright (c) 2013 - 2016, Techfuze. (http://techfuze.net)
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* @copyright Copyright (c) 1996 - 2015, Free Software Foundation, Inc. (http://www.fsf.org/)
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* @license http://opensource.org/licenses/GPL-3.0 GPLv3 License
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*
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* @link http://fuzeworks.techfuze.net
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* @since Version 0.0.1
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*
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* @version Version 0.0.1
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*/
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namespace Module\DatabaseUtils;
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use FuzeWorks\Modules;
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use FuzeWorks\DatabaseException;
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use FuzeWorks\Config;
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use FuzeWorks\Logger;
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/**
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* Class Query.
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*
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* @author GOScripting
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* @copyright Copyright (c) 2014 - 2015, GOScripting B.V. (http://goscripting.com)
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* @license http://opensource.org/licenses/GPL-3.0 GPLv3 License
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*
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* @link http://goframework.net
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*
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* @method $this or() or(string $field, string $arg2) OR $arg2 is the value of the field, or an operator in which case the value is pushed to the third argument
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* @method $this and() and(string $field, string $arg2) AND $arg2 is the value of the field, or an operator in which case the value is pushed to the third argument
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*/
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class Query
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{
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/**
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* @var array An array containing all the counted functions
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*/
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private $functions = array();
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/**
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* @var null|string The table used
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*/
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private $table = '';
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/**
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* @var null|\PDOStatement
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*/
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private $sth = null;
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/**
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* @param string $table The string to set as a table, optional
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*/
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public function __construct($table = '')
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{
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if ($table != '') {
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$this->setTable($table);
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}
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}
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/**
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* Each argument is another field to select.
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*
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* @param string $field,... The field to select, if no field is given, all fields(*) will be selected
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*
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* @return $this
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*/
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public function select($field = '*')
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalSelect($field = '*')
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{
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return array(
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'sql' => 'SELECT '.($field == '*' ? '*' : implode(', ', func_get_args()).''),
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'binds' => null,
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);
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}
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/**
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* From.
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*
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* @param $table,... null|string The table, if it is null, the table set with setTable() will be used
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*
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* @return $this
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*
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* @throws Exception
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*/
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public function from($table = null)
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalFrom($table = null)
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{
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$tables = func_get_args();
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$query = 'FROM ';
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if (count($tables) == 0) {
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$tables[] = "$this->table";
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} else {
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foreach ($tables as $i => $t) {
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if ($t == '' && $this->table == '') {
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throw new Exception('No table given');
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}
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$tables[$i] = strpos($t, ' ') === false ? "$t" : ''.implode(' ', explode(' ', $t));
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}
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}
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$query .= implode(', ', $tables);
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return array(
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'sql' => $query,
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'binds' => null,
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);
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}
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/**
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* (Inner) join.
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*
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* @param string $table The table to join
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* @param string $type The type of join to perform (JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN)
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*
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* @return $this
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*
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* @throws Exception
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*/
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public function join($table, $type = '')
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalJoin($table, $type = '')
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{
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if ($table === '') {
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if ($this->table == '') {
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throw new Exception('No table given');
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}
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$table = $this->table;
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}
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$query = '';
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if ($type != '') {
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$query .= $type.' ';
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}
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$query .= 'JOIN '.(strpos($table, ' ') === false ? "$table" : ''.implode(' ', explode(' ', $table)));
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return array(
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'sql' => $query,
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'binds' => null,
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);
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}
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/**
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* Left join.
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*
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* @param string $table The table to join
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*
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* @return $this
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*
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* @throws Exception
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*/
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public function left_join($table)
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{
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return $this->join($table, 'LEFT');
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}
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/**
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* Right join.
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*
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* @param string $table The table to join
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*
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* @return $this
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*
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* @throws Exception
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*/
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public function right_join($table)
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{
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return $this->join($table, 'RIGHT');
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}
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/**
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* Full join.
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*
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* @param string $table The table to join
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*
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* @return $this
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*
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* @throws Exception
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*/
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public function full_join($table)
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{
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return $this->join($table, 'FULL');
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}
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/**
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* On.
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*
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* @param string $field Field name, or raw SQL
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* @param $arg2 string, The value of the field, or an operator in which case the value is pushed to $arg3
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* @param null|string $arg3 The value of the field when $arg2 is used for an operator
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*
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* @return $this
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*/
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public function on($field, $arg2 = null, $arg3 = null)
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{
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return $this->where($field, $arg2, $arg3, 'ON');
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}
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/**
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* Where.
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*
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* @param string|null $field Field name, or raw SQL, If this is left empty, only the $type will be added to the query
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* @param string $arg2, The value of the field, or an operator in which case the value is pushed to $arg3
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* @param null|string $arg3 The value of the field when $arg2 is used for an operator
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* @param string $type Whether this is an WHERE or ON operation
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*
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* @return $this
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*/
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public function where($field = null, $arg2 = null, $arg3 = null, $type = 'WHERE')
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalWhere($field = null, $arg2 = null, $arg3 = null, $type = 'WHERE')
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{
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if ($field == null) {
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return array('sql' => $type, 'binds' => array());
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}
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if ($arg2 === null) {
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return $this->internalSql($type.' '.$field);
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}
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//The value is the second parameter, unless the second parameter is an operator, in which case it's the third
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$value = ($arg3 == null ? $arg2 : $arg3);
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//If the third parameter is not given, the default operator should be used
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$operator = strtoupper($arg3 == null ? '=' : $arg2);
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$query = '';
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$binds = array();
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switch ($operator) {
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case 'IN':
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$query .= $type.($type == '' ? '' : ' ').$field.' IN (';
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if (is_array($value)) {
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foreach ($value as $k => $v) {
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$query .= '?,';
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$binds[] = $v;
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}
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//Remove the trailing comma and close it
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$query = rtrim($query, ',').')';
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} elseif (get_class($value) == 'System\Core\Query') {
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/* @var Query $value */
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$data = $this->internalSql($value->getSql(), $value->getBinds());
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$query .= $data['sql'].')';
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$binds = array_merge($binds, $data['binds']);
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}
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break;
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case 'BETWEEN':
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$query .= $type.($type == '' ? '' : ' ').$field.' BETWEEN ? AND ?';
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$binds[] = $value[0];
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$binds[] = $value[1];
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break;
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default:
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$query .= $type.($type == '' ? '' : ' ').$field.' '.$operator.' ?';
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$binds[] = $value;
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break;
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}
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return array(
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'sql' => $query,
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'binds' => $binds,
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);
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}
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/**
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*And, keep in mind this is only the OR statement. For A = B call ->where.
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*
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* @return array
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*/
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private function internalOr()
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{
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return array(
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'sql' => 'OR',
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'binds' => array(),
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);
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}
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/**
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* And, keep in mind this is only the AND statement. For A = B call ->where.
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*
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* @return array
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*/
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private function internalAnd()
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{
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return array(
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'sql' => 'AND',
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'binds' => array(),
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);
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}
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/**
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* An opening bracket.
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*
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* @return $this
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*/
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public function open()
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalOpen()
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{
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return array(
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'sql' => '(',
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'binds' => '',
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);
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}
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/**
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* A closing bracket.
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*
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* @return $this
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*/
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public function close()
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalClose()
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{
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return array(
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'sql' => ')',
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'binds' => null,
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);
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}
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/**
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* Order By.
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*
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* Each argument is another order. If you put a minus in front of the name, the order will be DESC instead of ASC
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*
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* @param string $field,... The field to order by, add a minus in front of the name and the order will be DESC
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*
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* @return $this
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*/
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public function order($field)
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalOrder($field)
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{
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$query = 'ORDER BY';
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foreach (func_get_args() as $field) {
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if (substr($query, -2) != 'BY') {
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$query .= ',';
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}
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$mode = 'ASC';
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if (substr($field, 0, 1) == '-') {
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$field = substr($field, 1);
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$mode = 'DESC';
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}
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$query .= ' '.$field.' '.$mode;
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}
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return array(
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'sql' => $query,
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'binds' => null,
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);
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}
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/**
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* Group by.
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*
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* Each argument is another field to group by.
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*
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* @param string $field,... The field to group by
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*
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* @return $this
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*/
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public function groupBy($field)
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalGroupBy($field)
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{
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$query = 'GROUP BY ';
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$first = true;
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foreach (func_get_args() as $field) {
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if (!$first) {
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$query .= ', ';
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}
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$first = false;
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$query .= $field;
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}
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return array(
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'sql' => $query,
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'binds' => null,
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);
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}
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/**
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* limit.
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*
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* @param $limit int Limit
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* @param int $offset int Offset
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*
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* @return $this
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*/
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public function limit($limit, $offset = 0)
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalLimit($limit, $offset = 0)
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{
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return array(
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'sql' => 'LIMIT '.$offset.', '.$limit,
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'binds' => null,
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);
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}
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/**
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* Having.
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*
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* @param $field
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* @param $arg2 string, The value of the field, or an operator in which case the value is pushed to $arg3
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* @param null|string $arg3 The value of the field when $arg2 is used for an operator
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*
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* @return $this
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*/
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public function having($field = null, $arg2 = null, $arg3 = null)
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{
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return $this->where($field, $arg2, $arg3, 'HAVING');
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}
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/**
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* Update.
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*
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* @param $table null|string Name of the table, if it is null, the table set with setTable() will be used
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*
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* @return $this
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*
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* @throws Exception
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*/
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public function update($table = '')
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalUpdate($table = '')
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{
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if ($table === '') {
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if ($this->table == '') {
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throw new Exception('No table given');
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}
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$table = $this->table;
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}
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return array(
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'sql' => 'UPDATE '.$table,
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'binds' => array(),
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);
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}
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/**
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* Set.
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*
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* @param $data array|string Key value, $field => $value or raw SQL
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*
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* @return $this
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*/
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public function set($data)
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalSet($data)
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{
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if (is_string($data)) {
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return $this->internalSql('SET '.$data);
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}
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$query = 'SET';
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$binds = array();
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$first = true;
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foreach ($data as $field => $value) {
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if (!$first) {
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$query .= ',';
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}
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$first = false;
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$query .= ' '.$field.'=?';
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$binds[] = $value;
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}
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return array(
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'sql' => $query,
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'binds' => $binds,
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);
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}
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/**
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* Delete.
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*
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* @return $this
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*/
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public function delete()
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalDelete()
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{
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return array(
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'sql' => 'DELETE',
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'binds' => array(),
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);
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}
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/**
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* Insert.
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*
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* @param array array Key value, $field => $value
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* @param $table string|null Table name, if it is null, the table set with setTable() will be used
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*
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* @return $this
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*
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* @throws Exception
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*/
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public function insert($array, $table = '')
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{
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return $this->__call(__FUNCTION__, func_get_args());
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}
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private function internalInsert($array, $table = '')
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{
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if ($table === '') {
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if ($this->table == '') {
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throw new DatabaseException('No table given');
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}
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$table = $this->table;
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}
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$query = '';
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$binds = array();
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//Implode the array to get a list with the fields
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$query .= 'INSERT INTO '.$table.' ('.implode(',', array_keys($array)).') VALUES (';
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//Add all the values as ? and add them to the binds
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foreach ($array as $field => $value) {
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$query .= '?,';
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$binds[] = $value;
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}
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$query = rtrim($query, ',').')';
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return array(
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'sql' => $query,
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'binds' => $binds,
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);
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}
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/**
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* Replace.
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|
*
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|
* @param array array Key value, $field => $value
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|
* @param $table string|null Table name, if it is null, the table set with setTable() will be used
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*
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* @return $this
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|
*
|
|
* @throws Exception
|
|
*/
|
|
public function replace($array, $table = '')
|
|
{
|
|
return $this->__call(__FUNCTION__, func_get_args());
|
|
}
|
|
|
|
private function internalReplace($array, $table = '')
|
|
{
|
|
if ($table === '') {
|
|
if ($this->table == '') {
|
|
throw new DatabaseException('No table given');
|
|
}
|
|
|
|
$table = $this->table;
|
|
}
|
|
|
|
$query = '';
|
|
$binds = array();
|
|
|
|
//Implode the array to get a list with the fields
|
|
$query .= 'REPLACE INTO '.$table.' ('.implode(',', array_keys($array)).') VALUES (';
|
|
|
|
//Add all the values as ? and add them to the binds
|
|
foreach ($array as $field => $value) {
|
|
$query .= '?,';
|
|
|
|
$binds[] = $value;
|
|
}
|
|
|
|
$query = rtrim($query, ',').')';
|
|
|
|
return array(
|
|
'sql' => $query,
|
|
'binds' => $binds,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Add raw SQL to the query string.
|
|
*
|
|
* @param string $sql The SQL to add
|
|
* @param array $binds The optional binds to add
|
|
*
|
|
* @return $this
|
|
*/
|
|
public function sql($sql, $binds = array())
|
|
{
|
|
return $this->__call(__FUNCTION__, func_get_args());
|
|
}
|
|
|
|
private function internalSql($sql, $binds = array())
|
|
{
|
|
return array(
|
|
'sql' => $sql,
|
|
'binds' => $binds,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Builds The SQL query and its binds.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function build()
|
|
{
|
|
$sql = array();
|
|
$binds = array();
|
|
|
|
foreach ($this->functions as $i => $function) {
|
|
//The current function is a WHERE or HAVING,
|
|
//and it after a or, and or open, this means we do not have to
|
|
//add the WHERE/HAVING statement again
|
|
if (($function['name'] == 'internalWhere'
|
|
|| $function['name'] == 'internalHaving')
|
|
&& ($this->functions[$i - 1]['name'] == 'internalOpen'
|
|
|| $this->functions[$i - 1]['name'] == 'internalAnd'
|
|
|| $this->functions[$i - 1]['name'] == 'internalOr')
|
|
) {
|
|
if (!isset($function['arguments'][2])) {
|
|
$function['arguments'][2] = null;
|
|
}
|
|
|
|
$function['arguments'][3] = '';
|
|
}
|
|
|
|
$data = call_user_func_array(array($this, $function['name']), $function['arguments']);
|
|
|
|
$sql[] = $data['sql'];
|
|
|
|
if ($data['binds'] != null) {
|
|
$binds = array_merge($binds, $data['binds']);
|
|
}
|
|
}
|
|
|
|
return array(
|
|
'sql' => implode(' ', $sql),
|
|
'binds' => $binds,
|
|
);
|
|
}
|
|
/**
|
|
* Returns the query as an array.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getSql()
|
|
{
|
|
return $this->build()['sql'];
|
|
}
|
|
|
|
/**
|
|
* Return the built SQL query.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getBinds()
|
|
{
|
|
return $this->build()['binds'];
|
|
}
|
|
|
|
/**
|
|
* @param $table
|
|
*
|
|
* @return $this
|
|
*/
|
|
public function setTable($table)
|
|
{
|
|
$this->table = $table;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* @return null|string
|
|
*/
|
|
public function getTable()
|
|
{
|
|
return $this->table;
|
|
}
|
|
|
|
/**
|
|
* @return $this
|
|
*/
|
|
public function commit()
|
|
{
|
|
Modules::get('core/database')->commit();
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* @return $this
|
|
*/
|
|
public function beginTransaction()
|
|
{
|
|
Modules::get('core/database')->beginTransaction();
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* @return $this
|
|
*/
|
|
public function rollback()
|
|
{
|
|
Modules::get('core/database')->rollback();
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Executes the query generated.
|
|
*
|
|
* @return $this
|
|
*
|
|
* @throws DatabaseException
|
|
*/
|
|
public function execute()
|
|
{
|
|
if (Config::get('database')->debug) {
|
|
Logger::log(get_class($this).': '.$this->getSql());
|
|
}
|
|
|
|
try {
|
|
$this->sth = Modules::get('core/database')->prepare($this->getSql());
|
|
if (count($this->getBinds()) === 0) {
|
|
$this->sth->execute();
|
|
} else {
|
|
$this->sth->execute($this->getBinds());
|
|
}
|
|
} catch (\PDOException $e) {
|
|
throw new DatabaseException('Could not execute SQL-query due PDO-exception '.$e->getMessage());
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the results of the query in the given type. All the arguments of this function will be passed onto
|
|
* fetchAll.
|
|
*
|
|
* @param int $type The default type is \PDO::FETCH_ASSOC, all the types that are possible for fetchAll() are valid
|
|
*
|
|
* @return array
|
|
*
|
|
* @throws DatabaseException
|
|
*/
|
|
public function getResults($type = \PDO::FETCH_ASSOC)
|
|
{
|
|
if (!isset($this->sth)) {
|
|
$this->execute();
|
|
}
|
|
|
|
return call_user_func_array(
|
|
array(
|
|
$this->sth,
|
|
'fetchAll',
|
|
),
|
|
func_get_args()
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns the amount of rows that are affected. ->execute must be called first.
|
|
*
|
|
* @return int Amount of rows that are affected
|
|
*
|
|
* @throws DatabaseException
|
|
*/
|
|
public function getRowCount()
|
|
{
|
|
if (!isset($this->sth)) {
|
|
$this->execute();
|
|
}
|
|
|
|
return $this->sth->rowCount();
|
|
}
|
|
|
|
/**
|
|
* @return string
|
|
*/
|
|
public function getLastInsertId()
|
|
{
|
|
return Modules::get('core/database')->lastInsertId();
|
|
}
|
|
|
|
/**
|
|
* All the called functions are saved in an array, so when build is called, the query is built from all the functions.
|
|
*
|
|
* @param $name string
|
|
* @param $arguments array
|
|
*
|
|
* @return $this
|
|
*
|
|
* @throws DatabaseException
|
|
*/
|
|
public function __call($name, $arguments)
|
|
{
|
|
$name = 'internal'.ucfirst($name);
|
|
|
|
if (!method_exists($this, $name)) {
|
|
throw new DatabaseException('Unknown function "'.$name.'"');
|
|
}
|
|
|
|
$this->functions[] = array(
|
|
'name' => $name,
|
|
'arguments' => $arguments,
|
|
);
|
|
|
|
return $this;
|
|
}
|
|
}
|