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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0_english@8278 201d5d3c-b55e-5fd7-737f-ddc643e51545
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mosmartin 2011-04-06 16:48:06 +00:00
parent 693e215bc1
commit 4d272994dd
219 changed files with 6407 additions and 8705 deletions
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155
classes/db/DBMysql.class.php
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@ -2,7 +2,7 @@
/**
* @class DBMysql
* @author NHN (developers@xpressengine.com)
* @brief MySQL DBMS를 이용하기 위한 class
* @brief Class to use MySQL DBMS
* @version 0.1
*
* mysql handling class
@ -11,20 +11,20 @@
class DBMysql extends DB {
/**
* @brief Mysql DB에 접속하기 위한 정보
* @brief Connection information for Mysql DB
**/
var $hostname = '127.0.0.1'; ///< hostname
var $userid = NULL; ///< user id
var $password = NULL; ///< password
var $database = NULL; ///< database
var $prefix = 'xe'; ///< XE에서 사용할 테이블들의 prefix (한 DB에서 여러개의 XE 설치 가능)
var $prefix = 'xe'; // / <prefix of a tablename (One or more XEs can be installed in a single DB)
var $comment_syntax = '/* %s */';
/**
* @brief mysql에서 사용될 column type
* @brief Column type used in MySQL
*
* column_type은 schema/query xml에서 공통 선언된 type을 이용하기 때문에
* 각 DBMS에 맞게 replace 해주어야 한다
* Becasue a common column type in schema/query xml is used for colum_type,
* it should be replaced properly for each DBMS
**/
var $column_type = array(
'bignumber' => 'bigint',
@ -50,7 +50,7 @@
}
/**
* @brief 설치 가능 여부를 return
* @brief Return if it is installable
**/
function isSupported() {
if(!function_exists('mysql_connect')) return false;
@ -58,7 +58,7 @@
}
/**
* @brief DB정보 설정 및 connect/ close
* @brief DB settings and connect/close
**/
function _setDBInfo() {
$db_info = Context::getDBInfo();
@ -72,44 +72,39 @@
}
/**
* @brief DB 접속
* @brief DB Connection
**/
function _connect() {
// db 정보가 없으면 무시
// Ignore if no DB information exists
if(!$this->hostname || !$this->userid || !$this->password || !$this->database) return;
if(strpos($this->hostname, ':')===false && $this->port) $this->hostname .= ':'.$this->port;
// 접속시도
// Attempt to connect
$this->fd = @mysql_connect($this->hostname, $this->userid, $this->password);
if(mysql_error()) {
$this->setError(mysql_errno(), mysql_error());
return;
}
// 버전 확인후 4.1 이하면 오류 표시
// Error appears if the version is lower than 4.1
if(mysql_get_server_info($this->fd)<"4.1") {
$this->setError(-1, "XE cannot be installed under the version of mysql 4.1. Current mysql version is ".mysql_get_server_info());
return;
}
// db 선택
// select db
@mysql_select_db($this->database, $this->fd);
if(mysql_error()) {
$this->setError(mysql_errno(), mysql_error());
return;
}
// 접속체크
// Check connections
$this->is_connected = true;
$this->password = md5($this->password);
// mysql의 경우 utf8임을 지정
// Set utf8 if a database is MySQL
$this->_query("set names 'utf8'");
}
/**
* @brief DB접속 해제
* @brief DB disconnection
**/
function close() {
if(!$this->isConnected()) return;
@ -117,7 +112,7 @@
}
/**
* @brief 쿼리에서 입력되는 문자열 변수들의 quotation 조절
* @brief Add quotes on the string variables in a query
**/
function addQuotes($string) {
if(version_compare(PHP_VERSION, "5.9.0", "<") && get_magic_quotes_gpc()) $string = stripslashes(str_replace("\\","\\\\",$string));
@ -126,53 +121,48 @@
}
/**
* @brief 트랜잭션 시작
* @brief Begin transaction
**/
function begin() {
}
/**
* @brief 롤백
* @brief Rollback
**/
function rollback() {
}
/**
* @brief 커밋
* @brief Commits
**/
function commit() {
}
/**
* @brief : 쿼리문의 실행 및 결과의 fetch 처리
* @brief : Run a query and fetch the result
*
* query : query문 실행하고 result return\n
* fetch : reutrn 된 값이 없으면 NULL\n
* rows이면 array object\n
* row이면 object\n
* query: run a query and return the result \n
* fetch: NULL if no value is returned \n
* array object if rows are returned \n
* object if a row is returned \n
* return\n
**/
function _query($query) {
if(!$this->isConnected()) return;
// 쿼리 시작을 알림
// Notify to start a query execution
$this->actStart($query);
// 쿼리 문 실행
// Run the query statement
$result = @mysql_query($query, $this->fd);
// 오류 체크
// Error Check
if(mysql_error($this->fd)) $this->setError(mysql_errno($this->fd), mysql_error($this->fd));
// 쿼리 실행 종료를 알림
// Notify to complete a query execution
$this->actFinish();
// 결과 리턴
// Return result
return $result;
}
/**
* @brief 결과를 fetch
* @brief Fetch results
**/
function _fetch($result) {
if(!$this->isConnected() || $this->isError() || !$result) return;
@ -184,7 +174,7 @@
}
/**
* @brief 1씩 증가되는 sequence값을 return (mysql의 auto_increment는 sequence테이블에서만 사용)
* @brief Return sequence value incremented by 1(auto_increment is used in sequence table only in MySQL)
**/
function getNextSequence() {
$query = sprintf("insert into `%ssequence` (seq) values ('0')", $this->prefix);
@ -199,7 +189,7 @@
}
/**
* @brief mysql old password를 가져오는 함수 (mysql에서만 사용)
* @brief Function to obtain mysql old password(mysql only)
**/
function isValidOldPassword($password, $saved_password) {
$query = sprintf("select password('%s') as password, old_password('%s') as old_password", $this->addQuotes($password), $this->addQuotes($password));
@ -210,7 +200,7 @@
}
/**
* @brief 테이블 기생성 여부 return
* @brief Return if a table already exists
**/
function isTableExists($target_name) {
$query = sprintf("show tables like '%s%s'", $this->prefix, $this->addQuotes($target_name));
@ -221,7 +211,7 @@
}
/**
* @brief 특정 테이블에 특정 column 추가
* @brief Add a column to a table
**/
function addColumn($table_name, $column_name, $type='number', $size='', $default = '', $notnull=false) {
$type = $this->column_type[$type];
@ -237,7 +227,7 @@
}
/**
* @brief 특정 테이블에 특정 column 제거
* @brief Delete a column from a table
**/
function dropColumn($table_name, $column_name) {
$query = sprintf("alter table `%s%s` drop `%s` ", $this->prefix, $table_name, $column_name);
@ -245,7 +235,7 @@
}
/**
* @brief 특정 테이블의 column의 정보를 return
* @brief Return column information of a table
**/
function isColumnExists($table_name, $column_name) {
$query = sprintf("show fields from `%s%s`", $this->prefix, $table_name);
@ -263,7 +253,7 @@
}
/**
* @brief 특정 테이블에 특정 인덱스 추가
* @brief Add an index to a table
* $target_columns = array(col1, col2)
* $is_unique? unique : none
**/
@ -275,7 +265,7 @@
}
/**
* @brief 특정 테이블의 특정 인덱스 삭제
* @brief Drop an index from a table
**/
function dropIndex($table_name, $index_name, $is_unique = false) {
$query = sprintf("alter table `%s%s` drop index `%s`", $this->prefix, $table_name, $index_name);
@ -284,7 +274,7 @@
/**
* @brief 특정 테이블의 index 정보를 return
* @brief Return index information of a table
**/
function isIndexExists($table_name, $index_name) {
//$query = sprintf("show indexes from %s%s where key_name = '%s' ", $this->prefix, $table_name, $index_name);
@ -302,24 +292,24 @@
}
/**
* @brief xml 을 받아서 테이블을 생성
* @brief Create a table by using xml file
**/
function createTableByXml($xml_doc) {
return $this->_createTable($xml_doc);
}
/**
* @brief xml 을 받아서 테이블을 생성
* @brief Create a table by using xml file
**/
function createTableByXmlFile($file_name) {
if(!file_exists($file_name)) return;
// xml 파일을 읽음
// read xml file
$buff = FileHandler::readFile($file_name);
return $this->_createTable($buff);
}
/**
* @brief schema xml을 이용하여 create table query생성
* @brief generate a query statement to create a table by using schema xml
*
* type : number, varchar, text, char, date, \n
* opt : notnull, default, size\n
@ -329,8 +319,7 @@
// xml parsing
$oXml = new XmlParser();
$xml_obj = $oXml->parse($xml_doc);
// 테이블 생성 schema 작성
// Create a table schema
$table_name = $xml_obj->table->attrs->name;
if($this->isTableExists($table_name)) return;
$table_name = $this->prefix.$table_name;
@ -386,7 +375,7 @@
}
/**
* @brief 조건문 작성하여 return
* @brief Return conditional clause
**/
function getCondition($output) {
if(!$output->conditions) return;
@ -429,15 +418,14 @@
}
/**
* @brief insertAct 처리
* @brief Handle the insertAct
**/
function _executeInsertAct($output) {
// 테이블 정리
// List tables
foreach($output->tables as $key => $val) {
$table_list[] = '`'.$this->prefix.$val.'`';
}
// 컬럼 정리
// List columns
foreach($output->columns as $key => $val) {
$name = $val['name'];
$value = $val['value'];
@ -466,15 +454,14 @@
}
/**
* @brief updateAct 처리
* @brief Handle updateAct
**/
function _executeUpdateAct($output) {
// 테이블 정리
// List tables
foreach($output->tables as $key => $val) {
$table_list[] = '`'.$this->prefix.$val.'` as '.$key;
}
// 컬럼 정리
// List columns
foreach($output->columns as $key => $val) {
if(!isset($val['value'])) continue;
$name = $val['name'];
@ -487,8 +474,7 @@
$column_list[] = sprintf("`%s` = %s", $name, $value);
}
}
// 조건절 정리
// List the conditional clause
$condition = $this->getCondition($output);
$query = sprintf("update %s set %s %s", implode(',',$table_list), implode(',',$column_list), $condition);
@ -497,15 +483,14 @@
}
/**
* @brief deleteAct 처리
* @brief Handle deleteAct
**/
function _executeDeleteAct($output) {
// 테이블 정리
// List tables
foreach($output->tables as $key => $val) {
$table_list[] = '`'.$this->prefix.$val.'`';
}
// 조건절 정리
// List the conditional clause
$condition = $this->getCondition($output);
$query = sprintf("delete from %s %s", implode(',',$table_list), $condition);
@ -514,13 +499,13 @@
}
/**
* @brief selectAct 처리
* @brief Handle selectAct
*
* select의 경우 특정 페이지의 목록을 가져오는 것을 편하게 하기 위해\n
* navigation이라는 method를 제공
* In order to get a list of pages easily when selecting \n
* it supports a method as navigation
**/
function _executeSelectAct($output) {
// 테이블 정리
// List tables
$table_list = array();
foreach($output->tables as $key => $val) {
$table_list[] = '`'.$this->prefix.$val.'` as '.$key;
@ -584,8 +569,7 @@
$condition = $this->getCondition($output);
if($output->list_count && $output->page) return $this->_getNavigationData($table_list, $columns, $left_join, $condition, $output);
// list_order, update_order 로 정렬시에 인덱스 사용을 위해 condition에 쿼리 추가
// Add a condition to use an index when sorting in order by list_order, update_order
if($output->order) {
$conditions = $this->getConditionList($output);
if(!in_array('list_order', $conditions) && !in_array('update_order', $conditions)) {
@ -633,7 +617,7 @@
$query = sprintf("select %s from %s %s %s %s", $columns, implode(',',$table_list),implode(' ',$left_join), $condition, $groupby_query.$orderby_query);
// list_count를 사용할 경우 적용
// Apply when using list_count
if($output->list_count['value']) $query = sprintf('%s limit %d', $query, $output->list_count['value']);
$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id):'';
@ -656,16 +640,16 @@
}
/**
* @brief query xml에 navigation 정보가 있을 경우 페이징 관련 작업을 처리한다
* @brief Paging is handled if navigation information exists in the query xml
*
* 그닥 좋지는 않은 구조이지만 편리하다.. -_-;
* It is quite convenient although its structure is not good at all .. -_-;
**/
function _getNavigationData($table_list, $columns, $left_join, $condition, $output) {
require_once(_XE_PATH_.'classes/page/PageHandler.class.php');
$column_list = $output->column_list;
// 전체 개수를 구함
// Get a total count
$count_condition = count($output->groups) ? sprintf('%s group by %s', $condition, implode(', ', $output->groups)) : $condition;
$count_query = sprintf("select count(*) as count from %s %s %s", implode(', ', $table_list), implode(' ', $left_join), $count_condition);
if (count($output->groups)) $count_query = sprintf('select count(*) as count from (%s) xet', $count_query);
@ -681,16 +665,13 @@
if(!$page_count) $page_count = 10;
$page = $output->page['value'];
if(!$page) $page = 1;
// 전체 페이지를 구함
// Get a total page
if($total_count) $total_page = (int)( ($total_count-1) / $list_count) + 1;
else $total_page = 1;
// 페이지 변수를 체크
// Check Page variables
if($page > $total_page) $page = $total_page;
$start_count = ($page-1)*$list_count;
// list_order, update_order 로 정렬시에 인덱스 사용을 위해 condition에 쿼리 추가
// Add a condition to use an index when sorting in order by list_order, update_order
if($output->order) {
$conditions = $this->getConditionList($output);
if(!in_array('list_order', $conditions) && !in_array('update_order', $conditions)) {