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102 lines
2.5 KiB
102 lines
2.5 KiB
<?php
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/*
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* Copyright © 2021 ExacTI Technology Solutions. All rights reserved.
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* GPLv3 General License.
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* https://exacti.com.br
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* Phacil PHP Framework - https://github.com/exacti/phacil-framework
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*/
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namespace Phacil\Framework\Databases;
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use Phacil\Framework\Interfaces\Databases;
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final class Postgre implements Databases {
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/**
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*
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* @var resource|false
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*/
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private $link;
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/**
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*
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* @param string $hostname
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* @param string $username
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* @param string $password
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* @param string $database
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* @param string $port
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* @param string $charset
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* @return void
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* @throws \Phacil\Framework\Exception
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*/
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public function __construct($hostname, $username, $password, $database, $port = '5432', $charset = 'UTF8') {
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if (!$this->link = pg_connect('host=' . $hostname . ' port=' . $port . ' user=' . $username . ' password=' . $password . ' dbname=' . $database)) {
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throw new \Phacil\Framework\Exception('Error: Could not make a database link using ' . $username . '@' . $hostname);
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}
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if (!pg_ping($this->link)) {
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throw new \Phacil\Framework\Exception('Error: Could not connect to database ' . $database);
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}
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pg_query($this->link, "SET CLIENT_ENCODING TO '".$charset."'");
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}
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public function isConnected() {
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return ($this->link) ? true : false;
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}
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/**
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*
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* @param string $sql
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* @return \Phacil\Framework\Databases\Object\ResultInterface|true
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* @throws \Phacil\Framework\Exception
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*/
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public function query($sql) {
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$resource = pg_query($this->link, $sql);
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if ($resource) {
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if (is_resource($resource)) {
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$i = 0;
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$data = array();
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while ($result = pg_fetch_assoc($resource)) {
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$data[$i] = $result;
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$i++;
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}
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pg_free_result($resource);
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$query = new \Phacil\Framework\Databases\Object\Result();
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$query->setRow(isset($data[0]) ? $data[0] : array());
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$query->setRows($data);
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$query->setNumRows($i);
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unset($data);
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return $query;
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} else {
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return true;
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}
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} else {
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throw new \Phacil\Framework\Exception('Error: ' . pg_result_error($this->link) . '<br />' . $sql);
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}
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}
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/**
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* @param string $value
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* @return string
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*/
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public function escape($value) {
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return pg_escape_string($this->link, $value);
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}
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/** @return int */
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public function countAffected() {
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return pg_affected_rows($this->link);
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}
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/**
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* @return mixed
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* @throws Exception
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*/
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public function getLastId() {
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$query = $this->query("SELECT LASTVAL() AS `id`");
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return $query->row['id'];
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}
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/** @return void */
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public function __destruct() {
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pg_close($this->link);
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}
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} |