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<?php
/**
* @class DBMSSQL
* @author zero (zero@nzeo.com)
* @brief MSSQL driver로 수정 sol (sol@ngleader.com)
* @version 0.1
**/
class DBMssql extends DB {
/**
* DB를 이용하기 위한 정보
**/
var $conn = NULL;
var $database = NULL; ///< database
var $prefix = 'xe'; ///< XE에서 사용할 테이블들의 prefix (한 DB에서 여러개의 XE 설치 가능)
var $param = array();
var $comment_syntax = '/* %s */';
/**
* @brief mssql 에서 사용될 column type
*
* column_type은 schema/query xml에서 공통 선언된 type을 이용하기 때문에
* 각 DBMS에 맞게 replace 해주어야 한다
**/
var $column_type = array(
'bignumber' => 'bigint',
'number' => 'int',
'varchar' => 'varchar',
'char' => 'char',
'text' => 'text',
'bigtext' => 'text',
'date' => 'varchar(14)',
'float' => 'float',
);
/**
* @brief constructor
**/
function DBMssql() {
$this->_setDBInfo();
$this->_connect();
}
/**
* @brief 설치 가능 여부를 return
**/
function isSupported() {
if (!extension_loaded("sqlsrv")) return false;
return true;
}
/**
* @brief DB정보 설정 및 connect/ close
**/
function _setDBInfo() {
$db_info = Context::getDBInfo();
$this->hostname = $db_info->db_hostname;
$this->port = $db_info->db_port;
$this->userid = $db_info->db_userid;
$this->password = $db_info->db_password;
$this->database = $db_info->db_database;
$this->prefix = $db_info->db_table_prefix;
if(!substr($this->prefix,-1)!='_') $this->prefix .= '_';
}
/**
* @brief DB 접속
**/
function _connect() {
// db 정보가 없으면 무시
if(!$this->hostname || !$this->database) return;
//sqlsrv_configure( 'WarningsReturnAsErrors', 0 );
//sqlsrv_configure( 'LogSeverity', SQLSRV_LOG_SEVERITY_ALL );
//sqlsrv_configure( 'LogSubsystems', SQLSRV_LOG_SYSTEM_ALL );
$this->conn = sqlsrv_connect( $this->hostname,
array( 'Database' => $this->database,'UID'=>$this->userid,'PWD'=>$this->password ));
// 접속체크
if($this->conn){
$this->is_connected = true;
$this->password = md5($this->password);
}else{
$this->is_connected = false;
}
}
/**
* @brief DB접속 해제
**/
function close() {
if($this->is_connected == false) return;
$this->commit();
sqlsrv_close($this->conn);
$this->conn = null;
}
/**
* @brief 쿼리에서 입력되는 문자열 변수들의 quotation 조절
**/
function addQuotes($string) {
if(version_compare(PHP_VERSION, "5.9.0", "<") && get_magic_quotes_gpc()) $string = stripslashes(str_replace("\\","\\\\",$string));
//if(!is_numeric($string)) $string = str_replace("'","''",$string);
return $string;
}
/**
* @brief 트랜잭션 시작
**/
function begin() {
if($this->is_connected == false || $this->transaction_started) return;
if(sqlsrv_begin_transaction( $this->conn ) === false) return;
$this->transaction_started = true;
}
/**
* @brief 롤백
**/
function rollback() {
if($this->is_connected == false || !$this->transaction_started) return;
$this->transaction_started = false;
sqlsrv_rollback( $this->conn );
}
/**
* @brief 커밋
**/
function commit($force = false) {
if(!$force && ($this->is_connected == false || !$this->transaction_started)) return;
$this->transaction_started = false;
sqlsrv_commit( $this->conn );
}
/**
* @brief : 쿼리문의 실행 및 결과의 fetch 처리
*
* query : query문 실행하고 result return\n
* fetch : reutrn 된 값이 없으면 NULL\n
* rows이면 array object\n
* row이면 object\n
* return\n
**/
function _query($query) {
if($this->is_connected == false || !$query) return;
$_param = array();
if(count($this->param)){
foreach($this->param as $k => $o){
if($o['type'] == 'number'){
$_param[] = &$o['value'];
}else{
$_param[] = array(&$o['value'], SQLSRV_PARAM_IN, SQLSRV_PHPTYPE_STRING('utf-8'));
}
}
}
// 쿼리 시작을 알림
$this->actStart($query);
// 쿼리 문 실행
$result = false;
if(count($_param)){
$result = @sqlsrv_query($this->conn, $query, $_param);
}else{
$result = @sqlsrv_query($this->conn, $query);
}
// 오류 체크
if(!$result) $this->setError(print_r(sqlsrv_errors(),true));
// 쿼리 실행 종료를 알림
$this->actFinish();
$this->param = array();
return $result;
}
/**
* @brief 결과를 fetch
**/
function _fetch($result) {
if(!$this->isConnected() || $this->isError() || !$result) return;
$c = sqlsrv_num_fields($result);
$m = null;
$output = array();
while(sqlsrv_fetch($result)){
if(!$m) $m = sqlsrv_field_metadata($result);
unset($row);
for($i=0;$i<$c;$i++){
$row->{$m[$i]['Name']} = sqlsrv_get_field( $result, $i, SQLSRV_PHPTYPE_STRING( 'utf-8' ));
}
$output[] = $row;
}
if(count($output)==1) return $output[0];
return $output;
}
/**
* @brief 1씩 증가되는 sequence값을 return (mssql의 auto_increment는 sequence테이블에서만 사용)
**/
function getNextSequence() {
$query = sprintf("insert into %ssequence (seq) values (ident_incr('%ssequence'))", $this->prefix, $this->prefix);
$this->_query($query);
$query = sprintf("select ident_current('%ssequence')+1 as sequence", $this->prefix);
$result = $this->_query($query);
$tmp = $this->_fetch($result);
return $tmp->sequence;
}
/**
* @brief 테이블 기생성 여부 return
**/
function isTableExists($target_name) {
$query = sprintf("select name from sysobjects where name = '%s%s' and xtype='U'", $this->prefix, $this->addQuotes($target_name));
$result = $this->_query($query);
$tmp = $this->_fetch($result);
if(!$tmp) return false;
return true;
}
/**
* @brief 특정 테이블에 특정 column 추가
**/
function addColumn($table_name, $column_name, $type='number', $size='', $default = '', $notnull=false) {
if($this->isColumnExists($table_name, $column_name)) return;
$type = $this->column_type[$type];
if(strtoupper($type)=='INTEGER') $size = '';
$query = sprintf("alter table %s%s add %s ", $this->prefix, $table_name, $column_name);
if($size) $query .= sprintf(" %s(%s) ", $type, $size);
else $query .= sprintf(" %s ", $type);
if($default) $query .= sprintf(" default '%s' ", $default);
if($notnull) $query .= " not null ";
$this->_query($query);
}
/**
* @brief 특정 테이블에 특정 column 제거
**/
function dropColumn($table_name, $column_name) {
if(!$this->isColumnExists($table_name, $column_name)) return;
$query = sprintf("alter table %s%s drop %s ", $this->prefix, $table_name, $column_name);
$this->_query($query);
}
/**
* @brief 특정 테이블의 column의 정보를 return
**/
function isColumnExists($table_name, $column_name) {
$query = sprintf("select syscolumns.name as name from syscolumns, sysobjects where sysobjects.name = '%s%s' and sysobjects.id = syscolumns.id and syscolumns.name = '%s'", $this->prefix, $table_name, $column_name);
$result = $this->_query($query);
if($this->isError()) return;
$tmp = $this->_fetch($result);
if(!$tmp->name) return false;
return true;
}
/**
* @brief 특정 테이블에 특정 인덱스 추가
* $target_columns = array(col1, col2)
* $is_unique? unique : none
**/
function addIndex($table_name, $index_name, $target_columns, $is_unique = false) {
if($this->isIndexExists($table_name, $index_name)) return;
if(!is_array($target_columns)) $target_columns = array($target_columns);
$query = sprintf("create %s index %s on %s%s (%s)", $is_unique?'unique':'', $index_name, $this->prefix, $table_name, implode(',',$target_columns));
$this->_query($query);
}
/**
* @brief 특정 테이블의 특정 인덱스 삭제
**/
function dropIndex($table_name, $index_name, $is_unique = false) {
if(!$this->isIndexExists($table_name, $index_name)) return;
$query = sprintf("drop index %s%s.%s", $this->prefix, $table_name, $index_name);
$this->_query($query);
}
/**
* @brief 특정 테이블의 index 정보를 return
**/
function isIndexExists($table_name, $index_name) {
$query = sprintf("select sysindexes.name as name from sysindexes, sysobjects where sysobjects.name = '%s%s' and sysobjects.id = sysindexes.id and sysindexes.name = '%s'", $this->prefix, $table_name, $index_name);
$result = $this->_query($query);
if($this->isError()) return;
$tmp = $this->_fetch($result);
if(!$tmp->name) return false;
return true;
}
/**
* @brief xml 을 받아서 테이블을 생성
**/
function createTableByXml($xml_doc) {
return $this->_createTable($xml_doc);
}
/**
* @brief xml 을 받아서 테이블을 생성
**/
function createTableByXmlFile($file_name) {
if(!file_exists($file_name)) return;
// xml 파일을 읽음
$buff = FileHandler::readFile($file_name);
return $this->_createTable($buff);
}
/**
* @brief schema xml을 이용하여 create table query생성
*
* type : number, varchar, text, char, date, \n
* opt : notnull, default, size\n
* index : primary key, index, unique\n
**/
function _createTable($xml_doc) {
// xml parsing
$oXml = new XmlParser();
$xml_obj = $oXml->parse($xml_doc);
// 테이블 생성 schema 작성
$table_name = $xml_obj->table->attrs->name;
if($this->isTableExists($table_name)) return;
if($table_name == 'sequence') {
$table_name = $this->prefix.$table_name;
$query = sprintf('create table %s ( sequence int identity(1,1), seq int )', $table_name);
return $this->_query($query);
} else {
$table_name = $this->prefix.$table_name;
if(!is_array($xml_obj->table->column)) $columns[] = $xml_obj->table->column;
else $columns = $xml_obj->table->column;
foreach($columns as $column) {
$name = $column->attrs->name;
$type = $column->attrs->type;
$size = $column->attrs->size;
$notnull = $column->attrs->notnull;
$primary_key = $column->attrs->primary_key;
$index = $column->attrs->index;
$unique = $column->attrs->unique;
$default = $column->attrs->default;
$auto_increment = $column->attrs->auto_increment;
$column_schema[] = sprintf('[%s] %s%s %s %s %s %s',
$name,
$this->column_type[$type],
!in_array($type,array('number','text'))&&$size?'('.$size.')':'',
$primary_key?'primary key':'',
isset($default)?"default '".$default."'":'',
$notnull?'not null':'null',
$auto_increment?'identity(1,1)':''
);
if($unique) $unique_list[$unique][] = $name;
else if($index) $index_list[$index][] = $name;
}
$schema = sprintf('create table [%s] (xe_seq int identity(1,1),%s%s)', $this->addQuotes($table_name), "\n", implode($column_schema,",\n"));
$output = $this->_query($schema);
if(!$output) return false;
if(count($unique_list)) {
foreach($unique_list as $key => $val) {
$query = sprintf("create unique index %s on %s (%s);", $key, $table_name, '['.implode('],[',$val).']');
$this->_query($query);
}
}
if(count($index_list)) {
foreach($index_list as $key => $val) {
$query = sprintf("create index %s on %s (%s);", $key, $table_name, '['.implode('],[',$val).']');
$this->_query($query);
}
}
return true;
}
}
/**
* @brief 조건문 작성하여 return
**/
function getCondition($output) {
if(!$output->conditions) return;
$condition = $this->_getCondition($output->conditions,$output->column_type);
if($condition) $condition = ' where '.$condition;
return $condition;
}
function getLeftCondition($conditions,$column_type){
return $this->_getCondition($conditions,$column_type);
}
function _getCondition($conditions,$column_type) {
$condition = '';
foreach($conditions as $val) {
$sub_condition = '';
foreach($val['condition'] as $v) {
if(!isset($v['value'])) continue;
if($v['value'] === '') continue;
if(!in_array(gettype($v['value']), array('string', 'integer', 'double'))) continue;
$name = $v['column'];
if(preg_match('/^substr\(/i',$name)) $name = preg_replace('/^substr\(/i','substring(',$name);
$operation = $v['operation'];
$value = $v['value'];
$type = $this->getColumnType($column_type,$name);
$pipe = $v['pipe'];
$value = $this->getConditionValue($name, $value, $operation, $type, $column_type);
if(!$value) $value = $v['value'];
$str = $this->getConditionPart($name, $value, $operation);
if($sub_condition) $sub_condition .= ' '.$pipe.' ';
$sub_condition .= $str;
}
if($sub_condition) {
if($condition && $val['pipe']) $condition .= ' '.$val['pipe'].' ';
$condition .= '('.$sub_condition.')';
}
}
return $condition;
}
function getConditionValue($name, $value, $operation, $type, $column_type) {
if($type == 'number') {
if(strpos($value,',')===false && strpos($value,'(')===false){
if(is_integer($value)){
$this->param[] = array('type'=>'number','value'=>(int)$value);
return '?';
}else{
return $value;
}
}
}
if(strpos($name,'.')!==false&&strpos($value,'.')!==false) {
list($table_name, $column_name) = explode('.',$value);
if($column_type[$column_name]){
return $value;
}
}
switch($operation) {
case 'like_prefix' :
$value = preg_replace('/(^\'|\'$){1}/','',$value);
$this->param[] = array('type'=>$column_type[$name],'value'=>$value);
$value = "? + '%'";
break;
case 'like_tail' :
$value = preg_replace('/(^\'|\'$){1}/','',$value);
$this->param[] = array('type'=>$column_type[$name],'value'=>$value);
$value = "'%' + ?";
break;
case 'like' :
$value = preg_replace('/(^\'|\'$){1}/','',$value);
$this->param[] = array('type'=>$column_type[$name],'value'=>$value);
$value = "'%' + ? + '%'";
break;
case 'notin' :
preg_match_all('/,?\'([^\']*)\'/',$value,$match);
$val = array();
foreach($match[1] as $k => $v){
$this->param[] = array('type'=>$column_type[$name],'value'=>trim($v));
$val[] ='?';
}
$value = join(',',$val);
break;
case 'in' :
preg_match_all('/,?\'([^\']*)\'/',$value,$match);
$val = array();
foreach($match[1] as $k => $v){
$this->param[] = array('type'=>$column_type[$name],'value'=>trim($v));
$val[] ='?';
}
$value = join(',',$val);
break;
default:
$value = preg_replace('/(^\'|\'$){1}/','',$value);
$this->param[] = array('type'=>$column_type[$name],'value'=>$value);
$value = '?';
break;
}
return $value;
}
/**
* @brief insertAct 처리
**/
function _executeInsertAct($output) {
// 테이블 정리
foreach($output->tables as $key => $val) {
$table_list[] = '['.$this->prefix.$val.']';
}
// 컬럼 정리
foreach($output->columns as $key => $val) {
$name = $val['name'];
$value = $val['value'];
if($output->column_type[$name]!='number') {
$value = $this->addQuotes($value);
if(!$value) $value = '';
} elseif(is_numeric($value)){
if(!$value) $value = '';
$value = (int)$value;
} elseif(!$value){
$value = '';
}
$column_list[] = '['.$name.']';
$value_list[] = '?';
$this->param[] = array('type'=>$output->column_type[$name], 'value'=>$value);
}
$query = sprintf("insert into %s (%s) values (%s);", implode(',',$table_list), implode(',',$column_list), implode(',', $value_list));
return $this->_query($query);
}
/**
* @brief updateAct 처리
**/
function _executeUpdateAct($output) {
// 테이블 정리
foreach($output->tables as $key => $val) {
$table_list[] = '['.$this->prefix.$val.']';
}
// 컬럼 정리
foreach($output->columns as $key => $val) {
if(!isset($val['value'])) continue;
$name = $val['name'];
$value = $val['value'];
if(strpos($name,'.')!==false&&strpos($value,'.')!==false){
$column_list[] = $name.' = '.$value;
} else {
if($output->column_type[$name]!='number'){
$value = $this->addQuotes($value);
if(!$value) $value = '';
$this->param[] = array('type'=>$output->column_type[$name], 'value'=>$value);
$column_list[] = sprintf("[%s] = ?", $name);
}elseif(!$value || is_numeric($value)){
$value = (int)$value;
$this->param[] = array('type'=>$output->column_type[$name], 'value'=>$value);
$column_list[] = sprintf("[%s] = ?", $name);
}else{
if(!$value) $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.$val.']';
}
// 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.$val.'] as '.$key;
}
$left_join = array();
// why???
$left_tables= (array)$output->left_tables;
foreach($left_tables as $key => $val) {
$condition = $this->_getCondition($output->left_conditions[$key],$output->column_type);
if($condition){
$left_join[] = $val . ' ['.$this->prefix.$output->_tables[$key].'] as '.$key . ' on (' . $condition . ')';
}
}
if(!$output->columns) {
$columns = '*';
} else {
$column_list = array();
foreach($output->columns as $key => $val) {
$name = $val['name'];
if(preg_match('/^substr\(/i',$name)) $name = preg_replace('/^substr\(/i','substring(',$name);
$alias = $val['alias'];
if($val['click_count']) $click_count[] = $val['name'];
if(substr($name,-1) == '*') {
$column_list[] = $name;
} elseif(strpos($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 && $output->page) return $this->_getNavigationData($table_list, $columns, $left_join, $condition, $output);
// list_order, update_order 로 정렬시에 인덱스 사용을 위해 condition에 쿼리 추가
if($output->order) {
$conditions = $this->getConditionList($output);
if(!in_array('list_order', $conditions) && !in_array('update_order', $conditions)) {
foreach($output->order as $key => $val) {
$col = $val[0];
if(!in_array($col, array('list_order','update_order'))) continue;
if($condition) $condition .= sprintf(' and %s < 2100000000 ', $col);
else $condition = sprintf(' where %s < 2100000000 ', $col);
}
}
}
$query = sprintf("%s from %s %s %s", $columns, implode(',',$table_list),implode(' ',$left_join), $condition);
if(count($output->groups)){
foreach($output->groups as $k => $v ){
if(preg_match('/^substr\(/i',$v)) $output->groups[$k] = preg_replace('/^substr\(/i','substring(',$v);
}
$query .= sprintf(' group by %s', implode(',',$output->groups));
}
if($output->order && !preg_match('/count\(\*\)/i',$columns) ) {
foreach($output->order as $key => $val) {
if(preg_match('/^substr\(/i',$val[0])) $name = preg_replace('/^substr\(/i','substring(',$val[0]);
$index_list[] = sprintf('%s %s', $val[0], $val[1]);
}
if(count($index_list)) $query .= ' order by '.implode(',',$index_list);
}
// list_count를 사용할 경우 적용
if($output->list_count['value']) $query = sprintf('select top %d %s', $output->list_count['value'], $query);
else $query = "select ".$query;
$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id):'';
$result = $this->_query($query);
if($this->isError()) return;
if(count($click_count)>0 && count($output->conditions)>0){
$_query = '';
foreach($click_count as $k => $c) $_query .= sprintf(',%s=%s+1 ',$c,$c);
$_query = sprintf('update %s set %s %s',implode(',',$table_list), substr($_query,1), $condition);
$this->_query($_query);
}
$data = $this->_fetch($result);
$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, $left_join, $condition, $output) {
require_once(_XE_PATH_.'classes/page/PageHandler.class.php');
// 전체 개수를 구함
if(count($output->groups)){
foreach($output->groups as $k => $v ){
if(preg_match('/^substr\(/i',$v)) $output->groups[$k] = preg_replace('/^substr\(/i','substring(',$v);
}
$count_condition = sprintf('%s group by %s', $condition, implode(', ', $output->groups));
}else{
$count_condition = $condition;
}
$total_count = $this->getCountCache($output->tables, $count_condition);
if($total_count === false) {
$count_query = sprintf("select count(*) as count from %s %s %s", implode(', ', $table_list), implode(' ', $left_join), $count_condition);
if (count($output->groups)) $count_query = sprintf('select count(*) as count from (%s) xet', $count_query);
$param = $this->param;
$result = $this->_query($count_query);
$this->param = $param;
$count_output = $this->_fetch($result);
$total_count = (int)$count_output->count;
$this->putCountCache($output->tables, $count_condition, $total_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;
// list_order, update_order 로 정렬시에 인덱스 사용을 위해 condition에 쿼리 추가
$conditions = $this->getConditionList($output);
if($output->order) {
if(!in_array('list_order', $conditions) && !in_array('update_order', $conditions)) {
foreach($output->order as $key => $val) {
$col = $val[0];
if(!in_array($col, array('list_order','update_order'))) continue;
if($condition) $condition .= sprintf(' and %s < 2100000000 ', $col);
else $condition = sprintf(' %s < 2100000000 ', $col);
}
}
}
// group by 절 추가
if(count($output->groups)){
foreach($output->groups as $k => $v ){
if(preg_match('/^substr\(/i',$v)) $output->groups[$k] = preg_replace('/^substr\(/i','substring(',$v);
}
$group .= sprintf('group by %s', implode(',',$output->groups));
}
// order 절 추가
$order_targets = array();
if($output->order) {
foreach($output->order as $key => $val) {
if(preg_match('/^substr\(/i',$val[0])) $name = preg_replace('/^substr\(/i','substring(',$val[0]);
$order_targets[$val[0]] = $val[1];
$index_list[] = sprintf('%s %s', $val[0], $val[1]);
}
if(count($index_list)) $order .= 'order by '.implode(',',$index_list);
}
if(!count($order_targets)) {
if(in_array('list_order',$conditions)) $order_targets['list_order'] = 'asc';
else $order_targets['xe_seq'] = 'desc';
}
if($start_count<1) {
$query = sprintf('select top %d %s from %s %s %s %s %s', $list_count, $columns, implode(',',$table_list), implode(' ',$left_join), $condition, $group, $order);
} else {
foreach($order_targets as $k => $v) {
$first_columns[] = sprintf('%s(%s) as %s', $v=='asc'?'max':'min', $k, $k);
$first_sub_columns[] = $k;
}
// 1차로 order 대상에 해당 하는 값을 가져옴
$param = $this->param;
$first_query = sprintf("select %s from (select top %d %s from %s %s %s %s %s) xet", implode(',',$first_columns), $start_count, implode(',',$first_sub_columns), implode(',',$table_list), implode(' ',$left_join), $condition, $group, $order);
$result = $this->_query($first_query);
$this->param = $param;
$tmp = $this->_fetch($result);
// 1차에서 나온 값을 이용 다시 쿼리 실행
$sub_cond = array();
foreach($order_targets as $k => $v) {
$sub_cond[] = sprintf("%s %s '%s'", $k, $v=='asc'?'>':'<', $tmp->{$k});
}
$sub_condition = ' and( '.implode(' and ',$sub_cond).' )';
if($condition) $condition .= $sub_condition;
else $condition = ' where '.$sub_condition;
$query = sprintf('select top %d %s from %s %s %s %s %s', $list_count, $columns, implode(',',$table_list), implode(' ',$left_join), $condition, $group, $order);
}
$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id):'';
$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;
$output = $this->_fetch($result);
if(!is_array($output)) $output = array($output);
foreach($output as $k => $v) {
$data[$virtual_no--] = $v;
}
$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;
}
}
?>