mirror of
https://github.com/Lastorder-DC/rhymix.git
synced 2026-01-04 01:01:41 +09:00
8326004cb2
git-svn-id: http://xe-core.googlecode.com/svn/sandbox@2327 201d5d3c-b55e-5fd7-737f-ddc643e51545
647 lines
23 KiB
PHP
647 lines
23 KiB
PHP
<?php
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/**
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* @class DBSqlite3_pdo
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* @author zero (zero@nzeo.com)
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* @brief SQLite3를 PDO로 이용하여 class
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* @version 0.1
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**/
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class DBSqlite3_pdo extends DB {
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/**
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* DB를 이용하기 위한 정보
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**/
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var $database = NULL; ///< database
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var $prefix = 'xe'; ///< 제로보드에서 사용할 테이블들의 prefix (한 DB에서 여러개의 제로보드 설치 가능)
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/**
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* PDO 사용시 필요한 변수들
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**/
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var $handler = NULL;
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var $stmt = NULL;
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var $bind_idx = 0;
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var $bind_vars = array();
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/**
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* @brief sqlite3 에서 사용될 column type
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*
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* column_type은 schema/query xml에서 공통 선언된 type을 이용하기 때문에
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* 각 DBMS에 맞게 replace 해주어야 한다
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**/
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var $column_type = array(
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'bignumber' => 'INTEGER',
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'number' => 'INTEGER',
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'varchar' => 'VARHAR',
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'char' => 'CHAR',
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'text' => 'TEXT',
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'bigtext' => 'TEXT',
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'date' => 'VARCHAR(14)',
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);
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/**
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* @brief constructor
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**/
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function DBSqlite3_pdo() {
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$this->_setDBInfo();
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$this->_connect();
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}
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/**
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* @brief 설치 가능 여부를 return
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**/
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function isSupported() {
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if(!class_exists('PDO')) return false;
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return true;
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}
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/**
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* @brief DB정보 설정 및 connect/ close
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**/
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function _setDBInfo() {
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$db_info = Context::getDBInfo();
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$this->database = $db_info->db_database;
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$this->prefix = $db_info->db_table_prefix;
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if(!substr($this->prefix,-1)!='_') $this->prefix .= '_';
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}
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/**
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* @brief DB 접속
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**/
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function _connect() {
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// db 정보가 없으면 무시
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if(!$this->database) return;
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// 데이터 베이스 파일 접속 시도
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$this->handler = new PDO('sqlite:'.$this->database);
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if(!file_exists($this->database) || $error) {
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$this->setError(-1,'permission denied to access database');
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//$this->setError(-1,$error);
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$this->is_connected = false;
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return;
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}
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// 접속체크
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$this->is_connected = true;
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}
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/**
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* @brief DB접속 해제
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**/
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function close() {
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if(!$this->isConnected()) return;
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$this->commit();
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}
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/**
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* @brief 트랜잭션 시작
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**/
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function begin() {
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if(!$this->isConnected() || $this->transaction_started) return;
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if($this->handler->beginTransaction()) $this->transaction_started = true;
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}
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/**
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* @brief 롤백
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**/
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function rollback() {
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if(!$this->isConnected() || !$this->transaction_started) return;
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$this->handler->rollBack();
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$this->transaction_started = false;
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}
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/**
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* @brief 커밋
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**/
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function commit($force = false) {
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if(!$force && (!$this->isConnected() || !$this->transaction_started)) return;
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$this->handler->commit();
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$this->transaction_started = false;
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}
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/**
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* @brief 쿼리에서 입력되는 문자열 변수들의 quotation 조절
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**/
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function addQuotes($string) {
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if(get_magic_quotes_gpc()) $string = stripslashes(str_replace("\\","\\\\",$string));
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if(!is_numeric($string)) $string = str_replace("'","''",$string);
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return $string;
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}
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/**
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* @brief : 쿼리문의 prepare
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**/
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function _prepare($query) {
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if(!$this->isConnected()) return;
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// 쿼리 시작을 알림
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$this->actStart($query);
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$this->stmt = $this->handler->prepare($query);
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if($this->handler->errorCode() != '00000') {
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$this->setError($this->handler->errorCode(), print_r($this->handler->errorInfo(),true));
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$this->actFinish();
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}
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$this->bind_idx = 0;
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$this->bind_vars = array();
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}
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/**
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* @brief : stmt에 binding params
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**/
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function _bind($val) {
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if(!$this->isConnected() || !$this->stmt) return;
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$this->bind_idx ++;
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$this->bind_vars[] = $val;
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$this->stmt->bindParam($this->bind_idx, $val);
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}
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/**
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* @brief : prepare된 쿼리의 execute
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**/
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function _execute() {
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if(!$this->isConnected() || !$this->stmt) return;
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$this->stmt->execute();
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if($this->stmt->errorCode() === '00000') {
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$output = null;
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while($tmp = $this->stmt->fetch(PDO::FETCH_ASSOC)) {
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unset($obj);
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foreach($tmp as $key => $val) {
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$pos = strpos($key, '.');
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if($pos) $key = substr($key, $pos+1);
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$obj->{$key} = str_replace("''","'",$val);
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}
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$output[] = $obj;
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}
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} else {
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$this->setError($this->stmt->errorCode(),print_r($this->stmt->errorInfo(),true));
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}
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$this->stmt = null;
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$this->actFinish();
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if(is_array($output) && count($output)==1) return $output[0];
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return $output;
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}
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/**
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* @brief 1씩 증가되는 sequence값을 return
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**/
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function getNextSequence() {
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$query = sprintf("insert into %ssequence (seq) values (NULL)", $this->prefix);
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$this->_prepare($query);
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$result = $this->_execute();
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$sequence = $this->handler->lastInsertId();
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$query = sprintf("delete from %ssequence where seq < %d", $this->prefix, $sequence);
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$this->_prepare($query);
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$result = $this->_execute();
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return $sequence;
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}
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/**
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* @brief 테이블 기생성 여부 return
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**/
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function isTableExists($target_name) {
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$query = sprintf('pragma table_info(%s%s)', $this->prefix, $target_name);
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$this->_prepare($query);
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if(!$this->_execute()) return false;
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return true;
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}
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/**
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* @brief 특정 테이블에 특정 column 추가
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**/
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function addColumn($table_name, $column_name, $type='number', $size='', $default = '', $notnull=false) {
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$type = $this->column_type[$type];
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if(strtoupper($type)=='INTEGER') $size = '';
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$query = sprintf("alter table %s%s add %s ", $this->prefix, $table_name, $column_name);
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if($size) $query .= sprintf(" %s(%s) ", $type, $size);
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else $query .= sprintf(" %s ", $type);
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if($default) $query .= sprintf(" default '%s' ", $default);
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if($notnull) $query .= " not null ";
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$this->_prepare($query);
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return $this->_execute();
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}
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/**
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* @brief 특정 테이블의 column의 정보를 return
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**/
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function isColumnExists($table_name, $column_name) {
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$query = sprintf("pragma table_info(%s%s)", $this->prefix, $table_name);
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$this->_prepare($query);
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$output = $this->_execute();
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if($output) {
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$column_name = strtolower($column_name);
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foreach($output as $key => $val) {
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$name = strtolower($val->name);
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if($column_name == $name) return true;
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}
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}
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return false;
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}
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/**
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* @brief xml 을 받아서 테이블을 생성
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**/
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function createTableByXml($xml_doc) {
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return $this->_createTable($xml_doc);
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}
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/**
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* @brief xml 을 받아서 테이블을 생성
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**/
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function createTableByXmlFile($file_name) {
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if(!file_exists($file_name)) return;
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// xml 파일을 읽음
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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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* @brief schema xml을 이용하여 create table query생성
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*
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* type : number, varchar, text, 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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**/
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function _createTable($xml_doc) {
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// xml parsing
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$oXml = new XmlParser();
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$xml_obj = $oXml->parse($xml_doc);
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// 테이블 생성 schema 작성
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$table_name = $xml_obj->table->attrs->name;
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if($this->isTableExists($table_name)) return;
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$table_name = $this->prefix.$table_name;
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if(!is_array($xml_obj->table->column)) $columns[] = $xml_obj->table->column;
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else $columns = $xml_obj->table->column;
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foreach($columns as $column) {
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$name = $column->attrs->name;
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$type = $column->attrs->type;
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if(strtoupper($this->column_type[$type])=='INTEGER') $size = '';
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else $size = $column->attrs->size;
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$notnull = $column->attrs->notnull;
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$primary_key = $column->attrs->primary_key;
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$index = $column->attrs->index;
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$unique = $column->attrs->unique;
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$default = $column->attrs->default;
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$auto_increment = $column->attrs->auto_increment;
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if($auto_increment) {
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$column_schema[] = sprintf('%s %s PRIMARY KEY %s',
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$name,
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$this->column_type[$type],
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$auto_increment?'AUTOINCREMENT':''
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);
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} else {
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$column_schema[] = sprintf('%s %s%s %s %s %s',
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$name,
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$this->column_type[$type],
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$size?'('.$size.')':'',
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$notnull?'NOT NULL':'',
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$primary_key?'PRIMARY KEY':'',
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$default?"DEFAULT '".$default."'":''
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);
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}
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if($unique) $unique_list[$unique][] = $name;
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else if($index) $index_list[$index][] = $name;
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}
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$schema = sprintf('CREATE TABLE %s (%s%s) ;', $table_name," ", implode($column_schema,", "));
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$this->_prepare($schema);
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$this->_execute();
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if($this->isError()) return;
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if(count($unique_list)) {
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foreach($unique_list as $key => $val) {
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$query = sprintf('CREATE UNIQUE INDEX %s_%s ON %s (%s)', $this->addQuotes($table_name), $key, $this->addQuotes($table_name), implode(',',$val));
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$this->_prepare($query);
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$this->_execute();
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if($this->isError()) $this->rollback();
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}
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}
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if(count($index_list)) {
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foreach($index_list as $key => $val) {
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$query = sprintf('CREATE INDEX %s_%s ON %s (%s)', $this->addQuotes($table_name), $key, $this->addQuotes($table_name), implode(',',$val));
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$this->_prepare($query);
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$this->_execute();
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if($this->isError()) $this->rollback();
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}
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}
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}
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/**
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* @brief 조건문 작성하여 return
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**/
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function getCondition($output) {
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if(!$output->conditions) return;
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foreach($output->conditions as $key => $val) {
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$sub_condition = '';
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foreach($val['condition'] as $k =>$v) {
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if(!$v['value']) continue;
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$name = $v['column'];
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$operation = $v['operation'];
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$value = $v['value'];
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$type = $this->getColumnType($output->column_type,$name);
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$pipe = $v['pipe'];
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$value = $this->getConditionValue($name, $value, $operation, $type);
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if(!$value) $value = $v['value'];
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$str = $this->getConditionPart($name, $value, $operation);
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if($sub_condition) $sub_condition .= ' '.$pipe.' ';
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$sub_condition .= $str;
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}
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if($sub_condition) {
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if($condition && $val['pipe']) $condition .= ' '.$val['pipe'].' ';
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$condition .= '('.$sub_condition.')';
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}
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}
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if($condition) $condition = ' where '.$condition;
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return $condition;
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}
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/**
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* @brief insertAct 처리
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**/
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function _executeInsertAct($output) {
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// 테이블 정리
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foreach($output->tables as $key => $val) {
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$table_list[] = $this->prefix.$key;
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}
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// 컬럼 정리
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foreach($output->columns as $key => $val) {
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$name = $val['name'];
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$value = $val['value'];
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$key_list[] = $name;
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if($output->column_type[$name]!='number') $val_list[] = $this->addQuotes($value);
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else {
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if(!$value || is_numeric($value)) $value = (int)$value;
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$val_list[] = $value;
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}
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$prepare_list[] = '?';
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}
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$query = sprintf("INSERT INTO %s (%s) VALUES (%s);", implode(',',$table_list), implode(',',$key_list), implode(',',$prepare_list));
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$this->_prepare($query);
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$val_count = count($val_list);
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for($i=0;$i<$val_count;$i++) $this->_bind($val_list[$i]);
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return $this->_execute();
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}
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/**
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* @brief updateAct 처리
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**/
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function _executeUpdateAct($output) {
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$table_count = count(array_values($output->tables));
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// 대상 테이블이 1개일 경우
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if($table_count == 1) {
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// 테이블 정리
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list($target_table) = array_keys($output->tables);
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$target_table = $this->prefix.$target_table;
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// 컬럼 정리
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foreach($output->columns as $key => $val) {
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if(!isset($val['value'])) continue;
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$name = $val['name'];
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$value = $val['value'];
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if(strpos($name,'.')!==false&&strpos($value,'.')!==false) $column_list[] = $name.' = '.$value;
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else {
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if($output->column_type[$name]!='number') $value = "'".$this->addQuotes($value)."'";
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elseif(!$value || is_numeric($value)) $value = (int)$value;
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$column_list[] = sprintf("%s = %s", $name, $value);
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}
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}
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// 조건절 정리
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$condition = $this->getCondition($output);
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$query = sprintf("update %s set %s %s", $target_table, implode(',',$column_list), $condition);
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// 대상 테이블이 2개일 경우 (sqlite에서 update 테이블을 1개 이상 지정 못해서 이렇게 꽁수로... 다른 방법이 있으려나..)
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} elseif($table_count == 2) {
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// 테이블 정리
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foreach($output->tables as $key => $val) {
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$table_list[$val] = $this->prefix.$val;
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}
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list($source_table, $target_table) = array_values($table_list);
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// 조건절 정리
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$condition = $this->getCondition($output);
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foreach($table_list as $key => $val) {
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$condition = eregi_replace($key.'\\.', $val.'.', $condition);
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}
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// 컬럼 정리
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foreach($output->columns as $key => $val) {
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if(!isset($val['value'])) continue;
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$name = $val['name'];
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$value = $val['value'];
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list($s_prefix, $s_column) = explode('.',$name);
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list($t_prefix, $t_column) = explode('.',$value);
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$s_table = $table_list[$s_prefix];
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$t_table = $table_list[$t_prefix];
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$column_list[] = sprintf(' %s = (select %s from %s %s) ', $s_column, $t_column, $t_table, $condition);
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}
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$query = sprintf('update %s set %s where exists(select * from %s %s)', $source_table, implode(',', $column_list), $target_table, $condition);
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} else {
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return;
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}
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$this->_prepare($query);
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return $this->_execute();
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}
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/**
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* @brief deleteAct 처리
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**/
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function _executeDeleteAct($output) {
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// 테이블 정리
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foreach($output->tables as $key => $val) {
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$table_list[] = $this->prefix.$key;
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}
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// 조건절 정리
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$condition = $this->getCondition($output);
|
|
|
|
$query = sprintf("delete from %s %s", implode(',',$table_list), $condition);
|
|
|
|
$this->_prepare($query);
|
|
return $this->_execute();
|
|
}
|
|
|
|
/**
|
|
* @brief selectAct 처리
|
|
*
|
|
* select의 경우 특정 페이지의 목록을 가져오는 것을 편하게 하기 위해\n
|
|
* navigation이라는 method를 제공
|
|
**/
|
|
function _executeSelectAct($output) {
|
|
// 테이블 정리
|
|
$table_list = array();
|
|
foreach($output->tables as $key => $val) {
|
|
$table_list[] = $this->prefix.$key.' as '.$val;
|
|
}
|
|
|
|
if(!$output->columns) {
|
|
$columns = '*';
|
|
} else {
|
|
$column_list = array();
|
|
foreach($output->columns as $key => $val) {
|
|
$name = $val['name'];
|
|
$alias = $val['alias'];
|
|
if($name == '*') {
|
|
$column_list[] = '*';
|
|
} elseif(strpos($name,'.')===false && strpos($name,'(')===false) {
|
|
if($alias) $column_list[] = sprintf('%s as %s', $name, $alias);
|
|
else $column_list[] = sprintf('%s',$name);
|
|
} else {
|
|
if($alias) $column_list[] = sprintf('%s as %s', $name, $alias);
|
|
else $column_list[] = sprintf('%s',$name);
|
|
}
|
|
}
|
|
$columns = implode(',',$column_list);
|
|
}
|
|
|
|
$condition = $this->getCondition($output);
|
|
|
|
if($output->list_count) return $this->_getNavigationData($table_list, $columns, $condition, $output);
|
|
|
|
$query = sprintf("select %s from %s %s", $columns, implode(',',$table_list), $condition);
|
|
|
|
if(count($output->groups)) $query .= sprintf(' group by %s', implode(',',$output->groups));
|
|
|
|
if($output->order) {
|
|
foreach($output->order as $key => $val) {
|
|
$index_list[] = sprintf('%s %s', $val[0], $val[1]);
|
|
}
|
|
if(count($index_list)) $query .= ' order by '.implode(',',$index_list);
|
|
}
|
|
|
|
$this->_prepare($query);
|
|
$data = $this->_execute();
|
|
if($this->isError()) return;
|
|
|
|
$buff = new Object();
|
|
$buff->data = $data;
|
|
return $buff;
|
|
}
|
|
|
|
/**
|
|
* @brief query xml에 navigation 정보가 있을 경우 페이징 관련 작업을 처리한다
|
|
*
|
|
* 그닥 좋지는 않은 구조이지만 편리하다.. -_-;
|
|
**/
|
|
function _getNavigationData($table_list, $columns, $condition, $output) {
|
|
require_once('./classes/page/PageHandler.class.php');
|
|
|
|
// 전체 개수를 구함
|
|
$count_query = sprintf("select count(*) as count from %s %s", implode(',',$table_list), $condition);
|
|
$this->_prepare($count_query);
|
|
$count_output = $this->_execute();
|
|
$total_count = (int)$count_output->count;
|
|
|
|
$list_count = $output->list_count['value'];
|
|
if(!$list_count) $list_count = 20;
|
|
$page_count = $output->page_count['value'];
|
|
if(!$page_count) $page_count = 10;
|
|
$page = $output->page['value'];
|
|
if(!$page) $page = 1;
|
|
|
|
// 전체 페이지를 구함
|
|
if($total_count) $total_page = (int)( ($total_count-1) / $list_count) + 1;
|
|
else $total_page = 1;
|
|
|
|
// 페이지 변수를 체크
|
|
if($page > $total_page) $page = $total_page;
|
|
$start_count = ($page-1)*$list_count;
|
|
|
|
$query = sprintf("select %s from %s %s", $columns, implode(',',$table_list), $condition);
|
|
|
|
if(count($output->groups)) $query .= sprintf(' group by %s', implode(',',$output->groups));
|
|
|
|
if($output->order) {
|
|
foreach($output->order as $key => $val) {
|
|
$index_list[] = sprintf('%s %s', $val[0], $val[1]);
|
|
}
|
|
if(count($index_list)) $query .= ' order by '.implode(',',$index_list);
|
|
}
|
|
|
|
// return 결과물 생성
|
|
$buff = new Object();
|
|
$buff->total_count = 0;
|
|
$buff->total_page = 0;
|
|
$buff->page = 1;
|
|
$buff->data = array();
|
|
$buff->page_navigation = new PageHandler($total_count, $total_page, $page, $page_count);
|
|
|
|
// 쿼리 실행
|
|
$query = sprintf('%s limit %d, %d', $query, $start_count, $list_count);
|
|
$this->_prepare($query);
|
|
|
|
if($this->isError()) {
|
|
$this->setError($this->handler->errorCode(), print_r($this->handler->errorInfo(),true));
|
|
$this->actFinish();
|
|
return $buff;
|
|
}
|
|
|
|
$this->stmt->execute();
|
|
|
|
if($this->stmt->errorCode() != '00000') {
|
|
$this->setError($this->stmt->errorCode(), print_r($this->stmt->errorInfo(),true));
|
|
$this->actFinish();
|
|
return $buff;
|
|
}
|
|
|
|
$output = null;
|
|
$virtual_no = $total_count - ($page-1)*$list_count;
|
|
while($tmp = $this->stmt->fetch(PDO::FETCH_ASSOC)) {
|
|
unset($obj);
|
|
foreach($tmp as $key => $val) {
|
|
$pos = strpos($key, '.');
|
|
if($pos) $key = substr($key, $pos+1);
|
|
$obj->{$key} = $val;
|
|
}
|
|
$data[$virtual_no--] = $obj;
|
|
}
|
|
|
|
$this->stmt = null;
|
|
$this->actFinish();
|
|
|
|
$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;
|
|
}
|
|
}
|
|
?>
|