mirror of
https://github.com/Lastorder-DC/rhymix.git
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3f7bf793f2
git-svn-id: http://xe-core.googlecode.com/svn/sandbox@2415 201d5d3c-b55e-5fd7-737f-ddc643e51545
711 lines
26 KiB
PHP
711 lines
26 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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/**
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* @brief Cubrid DB에 접속하기 위한 정보
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**/
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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 = 'xe'; ///< 제로보드에서 사용할 테이블들의 prefix (한 DB에서 여러개의 제로보드 설치 가능)
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var $cutlen = 12000; ///< 큐브리드의 최대 상수 크기(스트링이 이보다 크면 '...'+'...' 방식을 사용해야 한다
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/**
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* @brief cubrid에서 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 $column_type = array(
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'bignumber' => 'numeric(20)',
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'number' => 'integer',
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'varchar' => 'character varying',
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'char' => 'character',
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'text' => 'character varying(1073741823)',
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'bigtext' => 'character varying(1073741823)',
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'date' => 'character varying(14)',
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);
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/**
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* @brief constructor
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**/
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function DBCubrid() {
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$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(!$this->isConnected()) return;
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@cubrid_commit($this->fd);
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@cubrid_disconnect($this->fd);
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$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($string) {
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if(!$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 $string;
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}
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/**
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* @brief 트랜잭션 시작
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**/
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function begin() {
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if(!$this->isConnected() || $this->transaction_started) return;
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$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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@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(!$force && (!$this->isConnected() || !$this->transaction_started)) return;
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@cubrid_commit($this->fd);
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$this->transaction_started = false;
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}
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/**
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* @brief : 쿼리문의 실행 및 결과의 fetch 처리
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*
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* query : query문 실행하고 result return\n
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* fetch : reutrn 된 값이 없으면 NULL\n
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* rows이면 array object\n
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* row이면 object\n
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* return\n
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**/
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function _query($query) {
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//echo "(((".$this->backtrace().")))";
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if(!$query || !$this->isConnected()) return;
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// 쿼리 시작을 알림
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$this->actStart($query);
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// 쿼리 문 실행
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$result = @cubrid_execute($this->fd, $query);
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// 오류 체크
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if(cubrid_error_code()) $this->setError(cubrid_error_code(), cubrid_error_msg());
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// 쿼리 실행 종료를 알림
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$this->actFinish();
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// 결과 리턴
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return $result;
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}
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/**
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* @brief 결과를 fetch
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**/
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function _fetch($result) {
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if(!$this->isConnected() || $this->isError() || !$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 $output;
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}
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/**
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* @brief 1씩 증가되는 sequence값을 return (cubrid의 auto_increment는 sequence테이블에서만 사용)
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**/
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function getNextSequence() {
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$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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if($target_name == 'sequence')
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$query = sprintf("select * from db_serial where name = '%s%s'", $this->prefix, $target_name);
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else
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$query = sprintf("select * from db_class where class_name = '%s%s'", $this->prefix, $target_name);
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$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 $output;
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}
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/**
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* @brief 특정 테이블에 특정 column 추가
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**/
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function addColumn($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 class %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->_query($query);
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}
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/**
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* @brief 특정 테이블의 column의 정보를 return
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**/
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function isColumnExists($table_name, $column_name) {
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$query = sprintf("select * from db_attribute where attr_name ='%s' and class_name = '%s%s'",
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$column_name, $this->prefix, $table_name);
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$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 특정 테이블에 특정 인덱스 추가
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* $target_columns = array(col1, col2)
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* $is_unique? unique : none
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**/
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function addIndex($table_name, $index_name, $target_columns, $is_unique = false) {
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if(!is_array($target_columns)) $target_columns = array($target_columns);
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$query = sprintf("create %s index %s on %s%s (%s);", $is_unique?'unique':'', $index_name, $this->prefix, $table_name, implode(',',$target_columns));
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$this->_query($query);
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}
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/**
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* @brief 특정 테이블의 index 정보를 return
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**/
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function isIndexExists($table_name, $index_name) {
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$query = sprintf("select * from db_index where class_name='%s%s' and index_name = '%s' ", $this->prefix, $table_name, $index_name);
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$result = $this->_query($query);
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if($this->isError()) return false;
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$output = $this->_fetch($result);
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if(!$output) return false;
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return true;
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}
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/**
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* @brief xml 을 받아서 테이블을 생성
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**/
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function createTableByXml($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 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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$condition = "";
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foreach($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 = $v['value'];
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if(strpos($name,'.')===false) $name = '"'.$name.'"';
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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 = $val['value'];
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if($this->getColumnType($output->column_type,$name)!='number') {
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$clen=strlen($value);
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if ($clen <= $this->cutlen)
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$value = "'".$this->addQuotes($value)."'";
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else {
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$wrk="";
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$off=0;
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while ($off<$clen) {
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$wlen=$clen-$off;
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if ($wlen>$this->cutlen) $wlen=$this->cutlen;
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if ($off>0) $wrk .= "+\n";
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$wrk .= "'".$this->addQuotes(substr($value, $off, $wlen))."'";
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$off += $wlen;
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}
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$value = $wrk;
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}
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if(!$value) $value = 'null';
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} elseif(!$value || is_numeric($value)) $value = (int)$value;
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if(strpos($name,'.')===false) $column_list[] = '"'.$name.'"';
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else $column_list[] = $name;
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$value_list[] = $value;
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}
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$query = sprintf("insert into %s (%s) values (%s);", implode(',',$table_list), implode(',',$column_list), implode(',', $value_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($output) {
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// 테이블 정리
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foreach($output->tables as $key => $val) {
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$table_list[] = "\"".$this->prefix.$key."\" as ".$val;
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}
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// 컬럼 정리
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foreach($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 = $val['value'];
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if(strpos($name,'.')!==false&&strpos($value,'.')!==false) $column_list[] = $name.' = '.$value;
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else {
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if($output->column_type[$name]!='number') {
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$clen=strlen($value);
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if ($clen <= $this->cutlen)
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$value = "'".$this->addQuotes($value)."'";
|
|
else {
|
|
$wrk="";
|
|
$off=0;
|
|
while ($off<$clen) {
|
|
$wlen=$clen-$off;
|
|
if ($wlen>$this->cutlen) $wlen=$this->cutlen;
|
|
if ($off>0) $wrk .= "+\n";
|
|
$wrk .= "'".$this->addQuotes(substr($value, $off, $wlen))."'";
|
|
$off += $wlen;
|
|
}
|
|
$value = $wrk;
|
|
}
|
|
}
|
|
elseif(!$value || is_numeric($value)) $value = (int)$value;
|
|
|
|
$column_list[] = sprintf("\"%s\" = %s", $name, $value);
|
|
}
|
|
}
|
|
|
|
// 조건절 정리
|
|
$condition = $this->getCondition($output);
|
|
|
|
$query = sprintf("update %s set %s %s", implode(',',$table_list), implode(',',$column_list), $condition);
|
|
|
|
return $this->_query($query);
|
|
}
|
|
|
|
/**
|
|
* @brief deleteAct 처리
|
|
**/
|
|
function _executeDeleteAct($output) {
|
|
// 테이블 정리
|
|
foreach($output->tables as $key => $val) {
|
|
$table_list[] = '"'.$this->prefix.$key.'"';
|
|
}
|
|
|
|
// 조건절 정리
|
|
$condition = $this->getCondition($output);
|
|
|
|
$query = sprintf("delete from %s %s", implode(',',$table_list), $condition);
|
|
|
|
return $this->_query($query);
|
|
}
|
|
|
|
/**
|
|
* @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(strpos($name,'.')!=false) {
|
|
list($prefix, $name) = explode('.',$name);
|
|
$deli=($name == '*') ? "" : "\"";
|
|
if($alias) $column_list[] = sprintf("%s.$deli%s$deli as \"%s\"", $prefix, $name, $alias);
|
|
else $column_list[] = sprintf("%s.$deli%s$deli",$prefix,$name);
|
|
} else {
|
|
if($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);
|
|
}
|
|
|
|
$result = $this->_query($query);
|
|
if($this->isError()) return;
|
|
$data = $this->_fetch($result);
|
|
|
|
$buff = new Object();
|
|
$buff->data = $data;
|
|
return $buff;
|
|
}
|
|
|
|
/**
|
|
* @brief 현재 시점의 Stack trace를 보여줌.결과를 fetch
|
|
**/
|
|
function backtrace()
|
|
{
|
|
$output = "<div style='text-align: left;'>\n";
|
|
$output .= "<b>Backtrace:</b><br />\n";
|
|
$backtrace = debug_backtrace();
|
|
|
|
foreach ($backtrace as $bt) {
|
|
$args = '';
|
|
foreach ($bt['args'] as $a) {
|
|
if (!empty($args)) {
|
|
$args .= ', ';
|
|
}
|
|
switch (gettype($a)) {
|
|
case 'integer':
|
|
case 'double':
|
|
$args .= $a;
|
|
break;
|
|
case 'string':
|
|
$a = htmlspecialchars(substr($a, 0, 64)).((strlen($a) > 64) ? '...' : '');
|
|
$args .= "\"$a\"";
|
|
break;
|
|
case 'array':
|
|
$args .= 'Array('.count($a).')';
|
|
break;
|
|
case 'object':
|
|
$args .= 'Object('.get_class($a).')';
|
|
break;
|
|
case 'resource':
|
|
$args .= 'Resource('.strstr($a, '#').')';
|
|
break;
|
|
case 'boolean':
|
|
$args .= $a ? 'True' : 'False';
|
|
break;
|
|
case 'NULL':
|
|
$args .= 'Null';
|
|
break;
|
|
default:
|
|
$args .= 'Unknown';
|
|
}
|
|
}
|
|
$output .= "<br />\n";
|
|
$output .= "<b>file:</b> {$bt['line']} - {$bt['file']}<br />\n";
|
|
$output .= "<b>call:</b> {$bt['class']}{$bt['type']}{$bt['function']}($args)<br />\n";
|
|
}
|
|
$output .= "</div>\n";
|
|
return $output;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief query xml에 navigation 정보가 있을 경우 페이징 관련 작업을 처리한다
|
|
*
|
|
* 그닥 좋지는 않은 구조이지만 편리하다.. -_-;
|
|
**/
|
|
function _getNavigationData($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);
|
|
$result = $this->_query($count_query);
|
|
$count_output = $this->_fetch($result);
|
|
$total_count = (int)$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);
|
|
$query = sprintf('%s for orderby_num() between %d and %d', $query, $start_count, $list_count);
|
|
}
|
|
else {
|
|
if (count($output->groups))
|
|
$query = sprintf('%s having groupby_num() between %d and %d', $query, $start_count, $list_count);
|
|
else {
|
|
if ($condition)
|
|
$query = sprintf('%s and inst_num() between %d and %d', $query, $start_count, $list_count);
|
|
else
|
|
$query = sprintf('%s where inst_num() between %d and %d', $query, $start_count, $list_count);
|
|
}
|
|
}
|
|
|
|
$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, $page_count);
|
|
return $buff;
|
|
}
|
|
|
|
$virtual_no = $total_count - ($page-1)*$list_count;
|
|
while($tmp = cubrid_fetch($result, CUBRID_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, $page_count);
|
|
return $buff;
|
|
}
|
|
}
|
|
?>
|