mirror of
https://github.com/Lastorder-DC/rhymix.git
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508 lines
18 KiB
PHP
508 lines
18 KiB
PHP
<?php
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/**
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* @class DBCubrid
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* @author zero (zero@nzeo.com)
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* @brief Cubrid DBMS를 이용하기 위한 class
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* @version 0.1
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*
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* cubrid 7.0 에서 테스트 하였음.
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* 기본 쿼리만 사용하였기에 특화된 튜닝이 필요
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**/
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class DBCubrid extends DB {
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var $hostname = '127.0.0.1'; ///< hostname
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var $userid = NULL; ///< user id
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var $password = NULL; ///< password
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var $database = NULL; ///< database
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var $port = 33000; ///< db server port
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var $prefix = 'zb'; ///< 제로보드에서 사용할 테이블들의 prefix (한 DB에서 여러개의 제로보드 설치 가능)
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/**
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* @brief mysql에서 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 $column_type = array(
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'bignumber' => 'integer',
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'number' => 'integer',
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'varchar' => 'character varying',
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'char' => 'character varying',
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'text' => 'character varying(1073741823)',
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'bigtext' => 'character varying(1073741823)',
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'date' => 'character varying(14)',
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);
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/**
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* @brief constructor
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**/
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function DBCubrid() {
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$this->_setDBInfo();
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$this->_connect();
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}
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/**
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* @brief 설치 가능 여부를 return
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**/
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function isSupported() {
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if(!function_exists('cubrid_connect')) return false;
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return true;
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}
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/**
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* @brief DB정보 설정 및 connect/ close
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**/
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function _setDBInfo() {
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$db_info = Context::getDBInfo();
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$this->hostname = $db_info->db_hostname;
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$this->userid = $db_info->db_userid;
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$this->password = $db_info->db_password;
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$this->database = $db_info->db_database;
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$this->port = $db_info->db_port;
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$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->hostname || !$this->userid || !$this->password || !$this->database || !$this->port) return;
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// 접속시도
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$this->fd = @cubrid_connect($this->hostname, $this->port, $this->database, $this->userid, $this->password);
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// 접속체크
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if(!$this->fd) {
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$this->setError(-1, 'database connect fail');
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return $this->is_connected = false;
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}
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$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(!$this->isConnected()) return;
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@cubrid_disconnect($this->fd);
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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($string) {
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if(!$this->fd) return $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 $string;
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}
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/**
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* @brief : 쿼리문의 실행 및 결과의 fetch 처리
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*
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* query : query문 실행하고 result return\n
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* fetch : reutrn 된 값이 없으면 NULL\n
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* rows이면 array object\n
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* row이면 object\n
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* return\n
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**/
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function _query($query) {
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if(!$query || !$this->isConnected()) return;
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$this->query = $query;
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if(__DEBUG__) $query_start = getMicroTime();
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$this->setError(0,'success');
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$result = @cubrid_execute($this->fd, $query);
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if(__DEBUG__) {
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$query_end = getMicroTime();
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$elapsed_time = $query_end - $query_start;
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$GLOBALS['__db_elapsed_time__'] += $elapsed_time;
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}
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if(cubrid_error_code()) {
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$this->setError(cubrid_error_code(), cubrid_error_msg());
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if(__DEBUG__) {
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$GLOBALS['__db_queries__'] .= sprintf("\t%02d. %s (%0.6f sec)\n\t Fail : %d\n\t\t %s\n", ++$GLOBALS['__dbcnt'], $this->query, $elapsed_time, $this->errno, $this->errstr);
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}
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return;
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}
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if(__DEBUG__) {
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$GLOBALS['__db_queries__'] .= sprintf("\t%02d. %s (%0.6f sec)\n", ++$GLOBALS['__dbcnt'], $this->query, $elapsed_time);
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}
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return $result;
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}
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/**
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* @brief 트랜잭션 시작
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**/
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function begin() {
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if(!$this->is_connected || $this->transaction_started) return;
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$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(!$this->is_connected || !$this->transaction_started) return;
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cubrid_rollback($this->fd);
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$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() {
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if(!$this->is_connected || !$this->transaction_started) return;
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cubrid_commit($this->fd);
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$this->transaction_started = false;
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}
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/**
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* @brief 결과를 fetch
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**/
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function _fetch($result) {
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if($this->isError() || !$result) return;
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while($tmp = cubrid_fetch($result, CUBRID_OBJECT)) {
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$output[] = $tmp;
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}
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if($result) cubrid_close_request($result);
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if(count($output)==1) return $output[0];
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return $output;
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}
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/**
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* @brief 1씩 증가되는 sequence값을 return (mysql의 auto_increment는 sequence테이블에서만 사용)
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**/
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function getNextSequence() {
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$query = sprintf("select %ssequence.nextval as seq from db_root", $this->prefix);
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$result = $this->_query($query);
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$output = $this->_fetch($result);
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return $output->seq;
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}
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/**
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* @brief 테이블 기생성 여부 return
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**/
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function isTableExists($target_name) {
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$query = sprintf("select * from db_attribute where class_name = '%s%s'", $this->prefix, $this->addQuotes($target_name));
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$result = $this->_query($query);
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if(cubrid_num_rows($result)>0) $output = true;
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else $output = false;
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if($result) cubrid_close_request($result);
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return $output;
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}
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/**
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* @brief xml 을 받아서 테이블을 생성
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**/
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function createTableByXml($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 class 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 = $xml_obj->table->attrs->name;
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// 만약 테이블 이름이 sequence라면 serial 생성
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if($table_name == 'sequence') {
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$query = sprintf('create serial %s start with 1 increment by 1 minvalue 1 maxvalue 10000000000000000000000000000000000000 nocycle;', $this->prefix.$table_name);
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return $this->_query($query);
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}
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if($this->isTableExists($table_name)) return;
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$table_name = $this->prefix.$table_name;
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$query = sprintf('create class %s;', $table_name);
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$this->_query($query);
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$query = sprintf("call change_owner('%s','%s') on class db_root;", $table_name, $this->userid);
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$this->_query($query);
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if(!is_array($xml_obj->table->column)) $columns[] = $xml_obj->table->column;
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else $columns = $xml_obj->table->column;
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$query = sprintf("alter class %s add attribute ", $table_name);
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foreach($columns as $column) {
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$name = $column->attrs->name;
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$type = $column->attrs->type;
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$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 = $column->attrs->default;
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switch($this->column_type[$type]) {
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case 'integer' :
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$size = null;
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break;
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case 'text' :
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$size = null;
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break;
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}
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if($default && !is_numeric($default)) $default = "'".$default."'";
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$column_schema[] = sprintf('"%s" %s%s %s %s',
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$name,
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$this->column_type[$type],
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$size?'('.$size.')':'',
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$default?"default ".$default:'',
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$notnull?'not null':''
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);
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if($primary_key) $primary_list[] = $name;
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else if($unique) $unique_list[$unique][] = $name;
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else if($index) $index_list[$index][] = $name;
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}
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$query .= implode(',', $column_schema).';';
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$this->_query($query);
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if(count($primary_list)) {
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$query = sprintf("alter class %s add attribute constraint \"pkey_%s\" PRIMARY KEY(%s);", $table_name, $table_name, '"'.implode('","',$primary_list).'"');
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$this->_query($query);
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}
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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);", $table_name, $key, $table_name, '"'.implode('","',$val).'"');
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$this->_query($query);
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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);", $table_name, $key, $table_name, '"'.implode('","',$val).'"');
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$this->_query($query);
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}
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}
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}
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/**
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* @brief 테이블 삭제
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**/
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function dropTable($target_name) {
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$query = sprintf('drop class %s%s;', $this->prefix, $this->addQuotes($target_name));
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$this->_query($query);
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}
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/**
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* @brief 테이블의 이름 변경 (미구현)
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**/
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function renameTable($source_name, $targe_name) {
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}
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/**
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* @brief 테이블을 비움 (미구현)
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**/
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function truncateTable($target_name) {
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}
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/**
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* @brief 테이블 데이터 Dump
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*
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* @todo 아직 미구현
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**/
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function dumpTable($target_name) {
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}
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/**
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* @brief insertAct 처리
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**/
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function _executeInsertAct($tables, $column, $pass_quotes) {
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$table = array_pop($tables);
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foreach($column as $key => $val) {
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$key_list[] = $key;
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if($val) {
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if(is_numeric($val) || in_array($key, $pass_quotes)) $val_list[] = $this->addQuotes($val);
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else $val_list[] = "'".$this->addQuotes($val)."'";
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} else $val_list[] = "null";
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}
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$query = sprintf("insert into %s%s (%s) values (%s);", $this->prefix, $table, '"'.implode('","',$key_list).'"', implode(',', $val_list));
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return $this->_query($query);
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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($tables, $column, $args, $condition, $pass_quotes) {
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$table = array_pop($tables);
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foreach($column as $key => $val) {
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if(!isset($args->{$key})) continue;
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if($vla) {
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if(is_numeric($val) || in_array($key, $pass_quotes)) $update_list[] = sprintf('"%s" = %s', $key, $this->addQuotes($val));
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else $update_list[] = sprintf('"%s" = \'%s\'', $key, $this->addQuotes($val));
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} else $update_list[] = "null";
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}
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if(!count($update_list)) return;
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$update_query = implode(',',$update_list);
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if($condition) $condition = ' where '.$condition;
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$query = sprintf("update %s%s set %s %s;", $this->prefix, $table, $update_query, $condition);
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return $this->_query($query);
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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($tables, $condition, $pass_quotes) {
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$table = array_pop($tables);
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if($condition) $condition = ' where '.$condition;
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$query = sprintf("delete from %s%s %s;", $this->prefix, $table, $condition);
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return $this->_query($query);
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}
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/**
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* @brief selectAct 처리
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*
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* select의 경우 특정 페이지의 목록을 가져오는 것을 편하게 하기 위해\n
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* navigation이라는 method를 제공
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**/
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function _executeSelectAct($tables, $column, $invert_columns, $condition, $navigation, $group_script, $pass_quotes) {
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if(!count($tables)) $table = $this->prefix.array_pop($tables);
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else {
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foreach($tables as $key => $val) $table_list[] = sprintf('%s%s as %s', $this->prefix, $key, $val);
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}
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$table = implode(',',$table_list);
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if(!$column) $columns = '*';
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else {
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foreach($invert_columns as $key => $val) {
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$column_list[] = sprintf('"%s" as "%s"',$val, $key);
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}
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$columns = implode(',', $column_list);
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}
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if($condition) $condition = ' where '.$condition;
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if($navigation->list_count) return $this->_getNavigationData($table, $columns, $condition, $navigation);
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$query = sprintf("select %s from %s %s", $columns, $table, $condition);
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$query .= ' '.$group_script;
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if($navigation->index) {
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foreach($navigation->index as $index_obj) {
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$index_list[] = sprintf('"%s" "%s"', $index_obj[0], $index_obj[1]);
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}
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if(count($index_list)) $query .= ' order by '.implode(',',$index_list);
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}
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$result = $this->_query($query);
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if($this->isError()) return;
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$data = $this->_fetch($result);
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$buff = new Object();
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$buff->data = $data;
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return $buff;
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}
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/**
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* @brief query xml에 navigation 정보가 있을 경우 페이징 관련 작업을 처리한다
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*
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* 그닥 좋지는 않은 구조이지만 편리하다.. -_-;
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**/
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function _getNavigationData($table, $columns, $condition, $navigation) {
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require_once('./classes/page/PageHandler.class.php');
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// 전체 개수를 구함
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$count_query = sprintf("select count(*) as count from %s %s", $table, $condition);
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$result = $this->_query($count_query);
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$count_output = $this->_fetch($result);
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$total_count = (int)$count_output->count;
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// 전체 페이지를 구함
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$total_page = (int)(($total_count-1)/$navigation->list_count) +1;
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// 페이지 변수를 체크
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if($navigation->page > $total_page) $page = $navigation->page;
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else $page = $navigation->page;
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$start_count = ($page-1)*$navigation->list_count;
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foreach($navigation->index as $index_obj) {
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$index_list[] = sprintf('%s %s', $index_obj[0], $index_obj[1]);
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}
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$index = implode(',',$index_list);
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$query = sprintf('select %s from %s %s order by %s for orderby_num() between %d and %d', $columns, $table, $condition, $index, $start_count, $navigation->list_count);
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|
$result = $this->_query($query);
|
|
if($this->isError()) {
|
|
$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, $navigation->page_count);
|
|
return $buff;
|
|
}
|
|
|
|
$virtual_no = $total_count - ($page-1)*$navigation->list_count;
|
|
while($tmp = $result->fetch_object()) {
|
|
$data[$virtual_no--] = $tmp;
|
|
}
|
|
|
|
$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, $navigation->page_count);
|
|
return $buff;
|
|
}
|
|
}
|
|
?>
|