зеркало из https://github.com/mozilla/gecko-dev.git
111 строки
2.7 KiB
PHP
111 строки
2.7 KiB
PHP
<?php
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/**
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* PEAR::DB wrappers for SQL queries.
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* @package amo
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* @subpackage lib
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* @author Monte Ohrt <monte [AT] ohrt [DOT] com>
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*/
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// Define query types.
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define('SQL_NONE', 1);
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define('SQL_ALL', 2);
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define('SQL_INIT', 3);
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// Define the query formats.
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define('SQL_ASSOC', 1);
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define('SQL_INDEX', 2);
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class SQL {
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var $db = null;
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var $result = null;
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var $error = null;
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var $record = null;
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/**
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* Class constructor.
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*/
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function SQL() { }
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/**
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* Connect to the database.
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*
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* @param string $dsn the data source name
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* @return bool
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*/
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function connect($dsn) {
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$this->db =& DB::connect($dsn);
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if(PEAR::isError($this->db)) {
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$this->error =& $this->db->getMessage();
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return false;
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}
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return true;
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}
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/**
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* Disconnect from the database.
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*/
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function disconnect() {
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$this->db->disconnect();
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}
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/**
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* Query the database.
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*
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* @param string $query the SQL query
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* @param string $type the type of query
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* @param string $format the query format
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*/
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function query($query, $type = SQL_NONE, $format = SQL_INDEX) {
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$this->record = array();
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$_data = array();
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// Determine fetch mode (index or associative).
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$_fetchmode = ($format == SQL_ASSOC) ? DB_FETCHMODE_ASSOC : null;
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$this->result = $this->db->query($query);
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if (DB::isError($this->result)) {
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$this->error = $this->result->getMessage();
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return false;
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}
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switch ($type) {
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case SQL_ALL:
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// Get all the records.
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while($_row = $this->result->fetchRow($_fetchmode)) {
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$_data[] = $_row;
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}
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$this->result->free();
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$this->record = $_data;
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break;
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case SQL_INIT:
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// Get the first record.
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$this->record = $this->result->fetchRow($_fetchmode);
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break;
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case SQL_NONE:
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default:
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// Records will be looped over with next().
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break;
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}
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return true;
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}
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/**
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* Select next row in result.
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* @param string $format the query format
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*/
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function next($format = SQL_INDEX) {
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// Fetch mode (index or associative).
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$_fetchmode = ($format == SQL_ASSOC) ? DB_FETCHMODE_ASSOC : null;
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if ($this->record = $this->result->fetchRow($_fetchmode)) {
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return true;
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} else {
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$this->result->free();
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return false;
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}
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}
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}
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?>
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