mirror of
https://github.com/Lastorder-DC/rhymix.git
synced 2026-01-04 17:21:39 +09:00
1033 lines
24 KiB
PHP
1033 lines
24 KiB
PHP
<?php
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/* Copyright (C) NAVER <http://www.navercorp.com> */
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/**
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* Class to use MySQL DBMS
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* mysql handling class
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*
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* Does not use prepared statements, since mysql driver does not support them
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*
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* @author NAVER (developers@xpressengine.com)
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* @package /classes/db
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* @version 0.1
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*/
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class DBMysql extends DB
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{
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/**
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* prefix of a tablename (One or more Rhymix can be installed in a single DB)
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* @var string
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*/
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var $prefix = 'rx_'; // / <
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var $comment_syntax = '/* %s */';
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var $charset = 'utf8';
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/**
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* Column type used in MySQL
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*
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* Becasue a common column type in schema/query xml is used for colum_type,
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* it should be replaced properly for each DBMS
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* @var array
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*/
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var $column_type = array(
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'bignumber' => 'bigint',
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'number' => 'bigint',
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'varchar' => 'varchar',
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'char' => 'char',
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'text' => 'text',
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'bigtext' => 'longtext',
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'date' => 'varchar(14)',
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'float' => 'float',
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);
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/**
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* Constructor
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* @return void
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*/
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function __construct()
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{
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$this->_setDBInfo();
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$this->_connect();
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}
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/**
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* DB Connect
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* this method is private
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* @param array $connection connection's value is db_hostname, db_port, db_database, db_userid, db_password
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* @return resource
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*/
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function __connect($connection)
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{
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// Ignore if no DB information exists
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if(strpos($connection['host'], ':') === false && $connection['port'])
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{
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$connection['host'] .= ':' . $connection['port'];
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}
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// Attempt to connect
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$result = @mysql_connect($connection['host'], $connection['user'], $connection['pass']);
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if(!$result)
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{
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exit('Unable to connect to DB.');
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}
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if(mysql_error())
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{
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$this->setError(mysql_errno(), mysql_error());
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return;
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}
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// Error appears if the version is lower than 4.1.13
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if(version_compare(mysql_get_server_info($result), '4.1.13', '<'))
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{
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$this->setError(-1, 'Rhymix requires MySQL 4.1.13 or later. Current MySQL version is ' . mysql_get_server_info());
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return;
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}
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// Set charset
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$this->charset = isset($connection['charset']) ? $connection['charset'] : 'utf8';
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mysql_set_charset($this->charset, $result);
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// select db
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@mysql_select_db($connection['database'], $result);
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if(mysql_error())
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{
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$this->setError(mysql_errno(), mysql_error());
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return;
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}
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return $result;
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}
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/**
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* DB disconnection
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* this method is private
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* @param resource $connection
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* @return void
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*/
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function _close($connection)
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{
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@mysql_close($connection);
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}
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/**
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* Handles quatation of the string variables from the query
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* @param string $string
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* @return string
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*/
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function addQuotes($string)
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{
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if(version_compare(PHP_VERSION, "5.4.0", "<") && get_magic_quotes_gpc())
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{
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$string = stripslashes(str_replace("\\", "\\\\", $string));
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}
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if(!is_numeric($string))
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{
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$string = @mysql_real_escape_string($string);
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}
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return $string;
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}
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/**
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* DB transaction start
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* this method is private
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* @return boolean
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*/
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function _begin($transactionLevel = 0)
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{
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return true;
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}
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/**
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* DB transaction rollback
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* this method is private
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* @return boolean
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*/
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function _rollback($transactionLevel = 0)
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{
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return true;
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}
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/**
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* DB transaction commit
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* this method is private
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* @return boolean
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*/
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function _commit()
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{
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return true;
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}
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/**
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* Execute the query
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* this method is private
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* @param string $query
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* @param resource $connection
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* @return resource
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*/
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function __query($query, $connection)
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{
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if(!$connection)
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{
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exit('Rhymix cannot handle DB connection.');
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}
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// Run the query statement
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$result = @mysql_query($query, $connection);
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// Error Check
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if(mysql_error($connection))
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{
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$this->setError(mysql_errno($connection), mysql_error($connection));
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}
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// Return result
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return $result;
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}
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/**
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* Fetch the result
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* @param resource $result
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* @param int|NULL $arrayIndexEndValue
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* @return array
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*/
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function _fetch($result, $arrayIndexEndValue = NULL)
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{
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$output = array();
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if(!$this->isConnected() || $this->isError() || !$result)
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{
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return $output;
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}
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while($tmp = $this->db_fetch_object($result))
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{
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if($arrayIndexEndValue)
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{
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$output[$arrayIndexEndValue--] = $tmp;
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}
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else
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{
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$output[] = $tmp;
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}
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}
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if(count($output) == 1)
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{
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if(isset($arrayIndexEndValue))
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{
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return $output;
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}
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else
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{
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return $output[0];
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}
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}
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$this->db_free_result($result);
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return $output;
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}
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/**
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* Return the sequence value incremented by 1
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* Auto_increment column only used in the sequence table
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* @return int
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*/
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function getNextSequence()
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{
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$query = sprintf("insert into `%ssequence` (seq) values ('0')", $this->prefix);
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$this->_query($query);
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$sequence = $this->db_insert_id();
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if($sequence % 10000 == 0)
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{
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$query = sprintf("delete from `%ssequence` where seq < %d", $this->prefix, $sequence);
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$this->_query($query);
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}
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return $sequence;
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}
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/**
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* Function to obtain mysql old password(mysql only)
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* @param string $password input password
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* @param string $saved_password saved password in DBMS
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* @return boolean
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*/
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function isValidOldPassword($password, $saved_password)
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{
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$query = sprintf("select password('%s') as password, old_password('%s') as old_password", $this->addQuotes($password), $this->addQuotes($password));
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$result = $this->_query($query);
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$tmp = $this->_fetch($result);
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if($tmp->password === $saved_password || $tmp->old_password === $saved_password)
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{
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return true;
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}
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return false;
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}
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/**
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* Check a table exists status
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* @param string $target_name
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* @return boolean
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*/
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function isTableExists($target_name)
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{
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$query = sprintf("show tables like '%s%s'", $this->prefix, $this->addQuotes($target_name));
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$result = $this->_query($query);
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$tmp = $this->_fetch($result);
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if(!$tmp)
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{
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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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* Add a column to the table
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* @param string $table_name table name
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* @param string $column_name column name
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* @param string $type column type, default value is 'number'
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* @param int $size column size
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* @param string|int $default default value
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* @param boolean $notnull not null status, default value is false
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* @return void
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*/
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function addColumn($table_name, $column_name, $type = 'number', $size = '', $default = null, $notnull = false)
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{
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$type = $this->column_type[$type];
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if(strtoupper($type) == 'INTEGER')
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{
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$size = '';
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}
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$query = sprintf("alter table `%s%s` add `%s` ", $this->prefix, $table_name, $column_name);
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if($size)
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{
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$query .= sprintf(" %s(%s) ", $type, $size);
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}
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else
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{
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$query .= sprintf(" %s ", $type);
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}
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if(isset($default))
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{
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$query .= sprintf(" default '%s' ", $default);
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}
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if($notnull)
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{
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$query .= " not null ";
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}
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return $this->_query($query);
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}
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/**
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* Drop a column from the table
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* @param string $table_name table name
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* @param string $column_name column name
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* @return void
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*/
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function dropColumn($table_name, $column_name)
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{
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$query = sprintf("alter table `%s%s` drop `%s` ", $this->prefix, $table_name, $column_name);
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$this->_query($query);
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}
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/**
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* Modify a column
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* @param string $table_name table name
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* @param string $column_name column name
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* @param string $type column type, default value is 'number'
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* @param int $size column size
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* @param string|int $default default value
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* @param boolean $notnull not null status, default value is false
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* @return bool
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*/
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function modifyColumn($table_name, $column_name, $type = 'number', $size = '', $default = '', $notnull = false)
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{
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$type = $this->column_type[$type];
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if(strtoupper($type) == 'INTEGER')
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{
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$size = '';
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}
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$query = sprintf("alter table `%s%s` modify `%s` ", $this->prefix, $table_name, $column_name);
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if($size)
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{
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$query .= sprintf(" %s(%s) ", $type, $size);
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}
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else
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{
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$query .= sprintf(" %s ", $type);
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}
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if($default)
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{
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$query .= sprintf(" default '%s' ", $default);
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}
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if($notnull)
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{
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$query .= " not null ";
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}
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return $this->_query($query) ? true : false;
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}
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/**
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* Check column exist status of the table
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* @param string $table_name table name
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* @param string $column_name column name
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* @return boolean
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*/
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function isColumnExists($table_name, $column_name)
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{
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$query = sprintf("show fields from `%s%s`", $this->prefix, $table_name);
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$result = $this->_query($query);
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if($this->isError())
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{
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return;
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}
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$output = $this->_fetch($result);
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if($output)
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{
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$column_name = strtolower($column_name);
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foreach($output as $key => $val)
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{
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$name = strtolower($val->Field);
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if($column_name == $name)
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{
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return true;
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}
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}
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}
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return false;
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}
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/**
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* Get information about a column
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* @param string $table_name table name
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* @param string $column_name column name
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* @return object
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*/
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function getColumnInfo($table_name, $column_name)
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{
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$query = sprintf("show fields from `%s%s` where `Field` = '%s'", $this->prefix, $table_name, $column_name);
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$result = $this->_query($query);
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if($this->isError())
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{
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return;
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}
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$output = $this->_fetch($result);
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if($output)
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{
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$dbtype = $output->{'Type'};
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if($xetype = array_search($dbtype, $this->column_type))
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{
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$size = null;
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}
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elseif(strpos($dbtype, '(') !== false)
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{
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list($dbtype, $size) = explode('(', $dbtype, 2);
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$size = intval(rtrim($size, ')'));
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if($xetype = array_search($dbtype, $this->column_type))
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{
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// no-op
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}
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else
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{
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$xetype = $dbtype;
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}
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}
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else
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{
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$xetype = $dbtype;
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$size = null;
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}
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return (object)array(
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'name' => $output->{'Field'},
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'dbtype' => $dbtype,
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'xetype' => $xetype,
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'size' => $size,
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'default_value' => $output->{'Default'},
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'notnull' => strncmp($output->{'Null'}, 'NO', 2) == 0 ? true : false,
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);
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}
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else
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{
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return false;
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}
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}
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/**
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* Add an index to the table
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* $target_columns = array(col1, col2)
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* $is_unique? unique : none
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* @param string $table_name table name
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* @param string $index_name index name
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* @param string|array $target_columns target column or columns
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* @param boolean $is_unique
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* @return void
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*/
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function addIndex($table_name, $index_name, $target_columns, $is_unique = false)
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{
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if(!is_array($target_columns))
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{
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$target_columns = array($target_columns);
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}
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$query = sprintf("alter table `%s%s` add %s index `%s` (%s);", $this->prefix, $table_name, $is_unique ? 'unique' : '', $index_name, implode(',', $target_columns));
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$this->_query($query);
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}
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/**
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* Drop an index from the table
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* @param string $table_name table name
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* @param string $index_name index name
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* @param boolean $is_unique
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* @return void
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*/
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function dropIndex($table_name, $index_name, $is_unique = false)
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{
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$query = sprintf("alter table `%s%s` drop index `%s`", $this->prefix, $table_name, $index_name);
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$this->_query($query);
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}
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/**
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* Check index status of the table
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* @param string $table_name table name
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* @param string $index_name index name
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* @return boolean
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*/
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function isIndexExists($table_name, $index_name)
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{
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//$query = sprintf("show indexes from %s%s where key_name = '%s' ", $this->prefix, $table_name, $index_name);
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$query = sprintf("show indexes from `%s%s`", $this->prefix, $table_name);
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$result = $this->_query($query);
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if($this->isError())
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{
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return;
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}
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$output = $this->_fetch($result);
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if(!$output)
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{
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return;
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}
|
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if(!is_array($output))
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{
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$output = array($output);
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}
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for($i = 0; $i < count($output); $i++)
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{
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if($output[$i]->Key_name == $index_name)
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{
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return true;
|
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}
|
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}
|
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return false;
|
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}
|
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|
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/**
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* Creates a table by using xml contents
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* @param string $xml_doc xml schema contents
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* @return void|object
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*/
|
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function createTableByXml($xml_doc)
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{
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return $this->_createTable($xml_doc);
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}
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/**
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|
* Creates a table by using xml file path
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* @param string $file_name xml schema file path
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* @return void|object
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*/
|
|
function createTableByXmlFile($file_name)
|
|
{
|
|
if(!file_exists($file_name))
|
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{
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return;
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}
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// read xml file
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$buff = FileHandler::readFile($file_name);
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return $this->_createTable($buff);
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}
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|
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/**
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* Create table by using the schema xml
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*
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* type : number, varchar, tinytext, text, bigtext, char, date, \n
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* opt : notnull, default, size\n
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* index : primary key, index, unique\n
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* @param string $xml_doc xml schema contents
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* @return void|object
|
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*/
|
|
function _createTable($xml_doc)
|
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{
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// Parse XML
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|
$oXml = new XmlParser();
|
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$xml_obj = $oXml->parse($xml_doc);
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|
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// Get table name and column list
|
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$table_name = $xml_obj->table->attrs->name;
|
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if($this->isTableExists($table_name))
|
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{
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return;
|
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}
|
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if(!is_array($xml_obj->table->column))
|
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{
|
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$columns[] = $xml_obj->table->column;
|
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}
|
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else
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{
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$columns = $xml_obj->table->column;
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}
|
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|
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// Initialize the list of columns and indexes
|
|
$column_schema = array();
|
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$primary_list = array();
|
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$unique_list = array();
|
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$index_list = array();
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|
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// Process columns
|
|
foreach($columns as $column)
|
|
{
|
|
$name = $column->attrs->name;
|
|
$type = $column->attrs->type;
|
|
$size = $column->attrs->size;
|
|
$notnull = $column->attrs->notnull;
|
|
$primary_key = $column->attrs->primary_key;
|
|
$index = $column->attrs->index;
|
|
$unique = $column->attrs->unique;
|
|
$default = $column->attrs->default;
|
|
$auto_increment = $column->attrs->auto_increment;
|
|
$column_charset = '';
|
|
$index_size_limit = '';
|
|
|
|
// MySQL only supports 767 bytes for indexed columns.
|
|
// This is 191 characters in utf8mb4 and 255 characters in utf8.
|
|
if($column->attrs->utf8mb4 === 'false' && stripos($type, 'char') !== false)
|
|
{
|
|
$column_charset = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci';
|
|
}
|
|
elseif(($primary_key || $unique || $index) && stripos($type, 'char') !== false)
|
|
{
|
|
if($size > 255 || ($size > 191 && $this->charset === 'utf8mb4'))
|
|
{
|
|
if($primary_key || $unique)
|
|
{
|
|
$size = ($this->charset === 'utf8mb4') ? 191 : 255;
|
|
}
|
|
else
|
|
{
|
|
$index_size_limit = '(' . (($this->charset === 'utf8mb4') ? 191 : 255) . ')';
|
|
}
|
|
}
|
|
}
|
|
|
|
$column_schema[$name] = sprintf('`%s` %s%s %s %s %s %s',
|
|
$name,
|
|
$this->column_type[$type],
|
|
$size ? "($size)" : '',
|
|
$column_charset,
|
|
isset($default) ? "DEFAULT '$default'" : '',
|
|
$notnull ? 'NOT NULL' : '',
|
|
$auto_increment ? 'AUTO_INCREMENT' : ''
|
|
);
|
|
|
|
if($primary_key)
|
|
{
|
|
$primary_list[] = "`$name`";
|
|
}
|
|
else if($unique)
|
|
{
|
|
$unique_list[$unique][] = "`$name`" . $index_size_limit;
|
|
}
|
|
else if($index)
|
|
{
|
|
$index_list[$index][] = "`$name`" . $index_size_limit;
|
|
}
|
|
}
|
|
|
|
// Process
|
|
|
|
// Process indexes
|
|
if(count($primary_list))
|
|
{
|
|
$column_schema[] = sprintf("PRIMARY KEY (%s)", implode($primary_list, ', '));
|
|
}
|
|
if(count($unique_list))
|
|
{
|
|
foreach($unique_list as $key => $val)
|
|
{
|
|
$column_schema[] = sprintf("UNIQUE %s (%s)", $key, implode($val, ', '));
|
|
}
|
|
}
|
|
if(count($index_list))
|
|
{
|
|
foreach($index_list as $key => $val)
|
|
{
|
|
$column_schema[] = sprintf("INDEX %s (%s)", $key, implode($val, ', '));
|
|
}
|
|
}
|
|
|
|
// Generate table schema
|
|
$engine = stripos(get_class($this), 'innodb') === false ? 'MYISAM' : 'INNODB';
|
|
$charset = $this->charset ?: 'utf8';
|
|
$collation = $charset . '_unicode_ci';
|
|
$schema = sprintf("CREATE TABLE `%s` (%s) %s",
|
|
$this->addQuotes($this->prefix . $table_name),
|
|
"\n" . implode($column_schema, ",\n") . "\n",
|
|
"ENGINE = $engine CHARACTER SET $charset COLLATE $collation"
|
|
);
|
|
|
|
// Execute the complete query
|
|
$output = $this->_query($schema);
|
|
if($output)
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handles insertAct
|
|
* @param Object $queryObject
|
|
* @param boolean $with_values
|
|
* @return resource
|
|
*/
|
|
function _executeInsertAct($queryObject, $with_values = true)
|
|
{
|
|
$query = $this->getInsertSql($queryObject, $with_values, true);
|
|
$query .= (__DEBUG_QUERY__ & 1 && $this->query_id) ? sprintf(' ' . $this->comment_syntax, $this->query_id) : '';
|
|
if(is_a($query, 'Object'))
|
|
{
|
|
return;
|
|
}
|
|
return $this->_query($query);
|
|
}
|
|
|
|
/**
|
|
* Handles updateAct
|
|
* @param Object $queryObject
|
|
* @param boolean $with_values
|
|
* @return resource
|
|
*/
|
|
function _executeUpdateAct($queryObject, $with_values = true)
|
|
{
|
|
$query = $this->getUpdateSql($queryObject, $with_values, true);
|
|
if(is_a($query, 'Object'))
|
|
{
|
|
if(!$query->toBool()) return $query;
|
|
else return;
|
|
}
|
|
|
|
$query .= (__DEBUG_QUERY__ & 1 && $this->query_id) ? sprintf(' ' . $this->comment_syntax, $this->query_id) : '';
|
|
|
|
|
|
return $this->_query($query);
|
|
}
|
|
|
|
/**
|
|
* Handles deleteAct
|
|
* @param Object $queryObject
|
|
* @param boolean $with_values
|
|
* @return resource
|
|
*/
|
|
function _executeDeleteAct($queryObject, $with_values = true)
|
|
{
|
|
$query = $this->getDeleteSql($queryObject, $with_values, true);
|
|
$query .= (__DEBUG_QUERY__ & 1 && $this->query_id) ? sprintf(' ' . $this->comment_syntax, $this->query_id) : '';
|
|
if(is_a($query, 'Object'))
|
|
{
|
|
return;
|
|
}
|
|
return $this->_query($query);
|
|
}
|
|
|
|
/**
|
|
* Handle selectAct
|
|
* In order to get a list of pages easily when selecting \n
|
|
* it supports a method as navigation
|
|
* @param Object $queryObject
|
|
* @param resource $connection
|
|
* @param boolean $with_values
|
|
* @return Object
|
|
*/
|
|
function _executeSelectAct($queryObject, $connection = null, $with_values = true)
|
|
{
|
|
$limit = $queryObject->getLimit();
|
|
$result = NULL;
|
|
if($limit && $limit->isPageHandler())
|
|
{
|
|
return $this->queryPageLimit($queryObject, $result, $connection, $with_values);
|
|
}
|
|
else
|
|
{
|
|
$query = $this->getSelectSql($queryObject, $with_values);
|
|
if(is_a($query, 'Object'))
|
|
{
|
|
return;
|
|
}
|
|
$query .= (__DEBUG_QUERY__ & 1 && $queryObject->queryID) ? sprintf(' ' . $this->comment_syntax, $queryObject->queryID) : '';
|
|
|
|
$result = $this->_query($query, $connection);
|
|
if($this->isError())
|
|
{
|
|
return $this->queryError($queryObject);
|
|
}
|
|
|
|
$data = $this->_fetch($result);
|
|
$buff = new Object ();
|
|
$buff->data = $data;
|
|
|
|
if($queryObject->usesClickCount())
|
|
{
|
|
$update_query = $this->getClickCountQuery($queryObject);
|
|
$this->_executeUpdateAct($update_query, $with_values);
|
|
}
|
|
|
|
return $buff;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the ID generated in the last query
|
|
* Return next sequence from sequence table
|
|
* This method use only mysql
|
|
* @return int
|
|
*/
|
|
function db_insert_id()
|
|
{
|
|
$connection = $this->_getConnection('master');
|
|
return mysql_insert_id($connection);
|
|
}
|
|
|
|
/**
|
|
* Fetch a result row as an object
|
|
* @param resource $result
|
|
* @return object
|
|
*/
|
|
function db_fetch_object(&$result)
|
|
{
|
|
return mysql_fetch_object($result);
|
|
}
|
|
|
|
/**
|
|
* Free result memory
|
|
* @param resource $result
|
|
* @return boolean Returns TRUE on success or FALSE on failure.
|
|
*/
|
|
function db_free_result(&$result)
|
|
{
|
|
return mysql_free_result($result);
|
|
}
|
|
|
|
/**
|
|
* Return the DBParser
|
|
* @param boolean $force
|
|
* @return DBParser
|
|
*/
|
|
function getParser($force = FALSE)
|
|
{
|
|
$dbParser = new DBParser('`', '`', $this->prefix);
|
|
return $dbParser;
|
|
}
|
|
|
|
/**
|
|
* If have a error, return error object
|
|
* @param Object $queryObject
|
|
* @return Object
|
|
*/
|
|
function queryError($queryObject)
|
|
{
|
|
$limit = $queryObject->getLimit();
|
|
if($limit && $limit->isPageHandler())
|
|
{
|
|
$buff = new Object ();
|
|
$buff->total_count = 0;
|
|
$buff->total_page = 0;
|
|
$buff->page = 1;
|
|
$buff->data = array();
|
|
$buff->page_navigation = new PageHandler(/* $total_count */0, /* $total_page */1, /* $page */1, /* $page_count */10); //default page handler values
|
|
return $buff;
|
|
}
|
|
else
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* If select query execute, return page info
|
|
* @param Object $queryObject
|
|
* @param resource $result
|
|
* @param resource $connection
|
|
* @param boolean $with_values
|
|
* @return Object Object with page info containing
|
|
*/
|
|
function queryPageLimit($queryObject, $result, $connection, $with_values = true)
|
|
{
|
|
$limit = $queryObject->getLimit();
|
|
// Total count
|
|
$temp_where = $queryObject->getWhereString($with_values, false);
|
|
$count_query = sprintf('select count(*) as "count" %s %s', 'FROM ' . $queryObject->getFromString($with_values), ($temp_where === '' ? '' : ' WHERE ' . $temp_where));
|
|
|
|
// Check for distinct query and if found update count query structure
|
|
$temp_select = $queryObject->getSelectString($with_values);
|
|
$uses_distinct = stripos($temp_select, "distinct") !== false;
|
|
$uses_groupby = $queryObject->getGroupByString() != '';
|
|
if($uses_distinct || $uses_groupby)
|
|
{
|
|
$count_query = sprintf('select %s %s %s %s'
|
|
, $temp_select == '*' ? '1' : $temp_select
|
|
, 'FROM ' . $queryObject->getFromString($with_values)
|
|
, ($temp_where === '' ? '' : ' WHERE ' . $temp_where)
|
|
, ($uses_groupby ? ' GROUP BY ' . $queryObject->getGroupByString() : '')
|
|
);
|
|
|
|
// If query uses grouping or distinct, count from original select
|
|
$count_query = sprintf('select count(*) as "count" from (%s) xet', $count_query);
|
|
}
|
|
|
|
$count_query .= (__DEBUG_QUERY__ & 1 && $queryObject->queryID) ? sprintf(' ' . $this->comment_syntax, $queryObject->queryID) : '';
|
|
$result_count = $this->_query($count_query, $connection);
|
|
$count_output = $this->_fetch($result_count);
|
|
$total_count = (int) (isset($count_output->count) ? $count_output->count : NULL);
|
|
|
|
$list_count = $limit->list_count->getValue();
|
|
if(!$list_count)
|
|
{
|
|
$list_count = 20;
|
|
}
|
|
$page_count = $limit->page_count->getValue();
|
|
if(!$page_count)
|
|
{
|
|
$page_count = 10;
|
|
}
|
|
$page = $limit->page->getValue();
|
|
if(!$page || $page < 1)
|
|
{
|
|
$page = 1;
|
|
}
|
|
|
|
// total pages
|
|
if($total_count)
|
|
{
|
|
$total_page = (int) (($total_count - 1) / $list_count) + 1;
|
|
}
|
|
else
|
|
{
|
|
$total_page = 1;
|
|
}
|
|
|
|
// check the page variables
|
|
if($page > $total_page)
|
|
{
|
|
// If requested page is bigger than total number of pages, return empty list
|
|
$buff = new Object ();
|
|
$buff->total_count = $total_count;
|
|
$buff->total_page = $total_page;
|
|
$buff->page = $page;
|
|
$buff->data = array();
|
|
$buff->page_navigation = new PageHandler($total_count, $total_page, $page, $page_count);
|
|
return $buff;
|
|
}
|
|
$start_count = ($page - 1) * $list_count;
|
|
|
|
$query = $this->getSelectPageSql($queryObject, $with_values, $start_count, $list_count);
|
|
|
|
$query .= (__DEBUG_QUERY__ & 1 && $queryObject->query_id) ? sprintf(' ' . $this->comment_syntax, $this->query_id) : '';
|
|
$result = $this->_query($query, $connection);
|
|
if($this->isError())
|
|
{
|
|
return $this->queryError($queryObject);
|
|
}
|
|
|
|
$virtual_no = $total_count - ($page - 1) * $list_count;
|
|
$data = $this->_fetch($result, $virtual_no);
|
|
|
|
$buff = new Object ();
|
|
$buff->total_count = $total_count;
|
|
$buff->total_page = $total_page;
|
|
$buff->page = $page;
|
|
$buff->data = $data;
|
|
$buff->page_navigation = new PageHandler($total_count, $total_page, $page, $page_count);
|
|
return $buff;
|
|
}
|
|
|
|
/**
|
|
* If select query execute, return paging sql
|
|
* @param object $query
|
|
* @param boolean $with_values
|
|
* @param int $start_count
|
|
* @param int $list_count
|
|
* @return string select paging sql
|
|
*/
|
|
function getSelectPageSql($query, $with_values = true, $start_count = 0, $list_count = 0)
|
|
{
|
|
$select = $query->getSelectString($with_values);
|
|
if($select == '')
|
|
{
|
|
return new Object(-1, "Invalid query");
|
|
}
|
|
$select = 'SELECT ' . $select;
|
|
|
|
$from = $query->getFromString($with_values);
|
|
if($from == '')
|
|
{
|
|
return new Object(-1, "Invalid query");
|
|
}
|
|
$from = ' FROM ' . $from;
|
|
|
|
$where = $query->getWhereString($with_values);
|
|
if($where != '')
|
|
{
|
|
$where = ' WHERE ' . $where;
|
|
}
|
|
|
|
$groupBy = $query->getGroupByString();
|
|
if($groupBy != '')
|
|
{
|
|
$groupBy = ' GROUP BY ' . $groupBy;
|
|
}
|
|
|
|
$orderBy = $query->getOrderByString();
|
|
if($orderBy != '')
|
|
{
|
|
$orderBy = ' ORDER BY ' . $orderBy;
|
|
}
|
|
|
|
$limit = $query->getLimitString();
|
|
if($limit != '')
|
|
{
|
|
$limit = sprintf(' LIMIT %d, %d', $start_count, $list_count);
|
|
}
|
|
|
|
return $select . ' ' . $from . ' ' . $where . ' ' . $groupBy . ' ' . $orderBy . ' ' . $limit;
|
|
}
|
|
|
|
/**
|
|
* Find out the best supported character set
|
|
*
|
|
* @return string
|
|
*/
|
|
function getBestSupportedCharset()
|
|
{
|
|
if($output = $this->_fetch($this->_query("SHOW CHARACTER SET LIKE 'utf8%'")))
|
|
{
|
|
$mb4_support = false;
|
|
foreach($output as $row)
|
|
{
|
|
if($row->Charset === 'utf8mb4')
|
|
{
|
|
$mb4_support = true;
|
|
}
|
|
}
|
|
return $mb4_support ? 'utf8mb4' : 'utf8';
|
|
}
|
|
else
|
|
{
|
|
return 'utf8';
|
|
}
|
|
}
|
|
}
|
|
|
|
DBMysql::$isSupported = function_exists('mysql_connect');
|
|
|
|
/* End of file DBMysql.class.php */
|
|
/* Location: ./classes/db/DBMysql.class.php */
|