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<?php
/**
* @class DBCubrid
* @author zero (zero@nzeo.com)
* @brief Cubrid DBMS를 이용하기 위한 class
* @version 0.1p1
*
* CUBRID2008 R1.3 에 대응하도록 수정 Prototype (prototype@cubrid.com) / 09.02.23
* 7.3 ~ 2008 R1.3 까지 테스트 완료함.
* 기본 쿼리만 사용하였기에 특화된 튜닝이 필요
**/
class DBCubrid extends DB {
/**
* @brief Cubrid DB에 접속하기 위한 정보
**/
var $hostname = '127.0.0.1'; ///< hostname
var $userid = NULL; ///< user id
var $password = NULL; ///< password
var $database = NULL; ///< database
var $port = 33000; ///< db server port
var $prefix = 'xe'; ///< XE에서 사용할 테이블들의 prefix (한 DB에서 여러개의 XE 설치 가능)
var $cutlen = 12000; ///< 큐브리드의 최대 상수 크기(스트링이 이보다 크면 '...'+'...' 방식을 사용해야 한다
var $comment_syntax = '/* %s */';
/**
* @brief cubrid에서 사용될 column type
*
* column_type은 schema/query xml에서 공통 선언된 type을 이용하기 때문에
* 각 DBMS에 맞게 replace 해주어야 한다
**/
var $column_type = array(
'bignumber' => 'numeric(20)',
'number' => 'integer',
'varchar' => 'character varying',
'char' => 'character',
'text' => 'character varying(1073741823)',
'bigtext' => 'character varying(1073741823)',
'date' => 'character varying(14)',
'float' => 'float',
);
/**
* @brief constructor
**/
function DBCubrid() {
$this->_setDBInfo();
$this->_connect();
}
/**
* @brief 설치 가능 여부를 return
**/
function isSupported() {
if(!function_exists('cubrid_connect')) return false;
return true;
}
/**
* @brief DB정보 설정 및 connect/ close
**/
function _setDBInfo() {
$db_info = Context::getDBInfo();
$this->hostname = $db_info->db_hostname;
$this->userid = $db_info->db_userid;
$this->password = $db_info->db_password;
$this->database = $db_info->db_database;
$this->port = $db_info->db_port;
$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 || !$this->userid || !$this->password || !$this->database || !$this->port) return;
// 접속시도
$this->fd = @cubrid_connect($this->hostname, $this->port, $this->database, $this->userid, $this->password);
// 접속체크
if(!$this->fd) {
$this->setError(-1, 'database connect fail');
return $this->is_connected = false;
}
$this->is_connected = true;
$this->password = md5($this->password);
}
/**
* @brief DB접속 해제
**/
function close() {
if(!$this->isConnected()) return;
@cubrid_commit($this->fd);
@cubrid_disconnect($this->fd);
$this->transaction_started = false;
}
/**
* @brief 쿼리에서 입력되는 문자열 변수들의 quotation 조절
**/
function addQuotes($string) {
if(!$this->fd) return $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->isConnected() || $this->transaction_started) return;
$this->transaction_started = true;
}
/**
* @brief 롤백
**/
function rollback() {
if(!$this->isConnected() || !$this->transaction_started) return;
@cubrid_rollback($this->fd);
$this->transaction_started = false;
}
/**
* @brief 커밋
**/
function commit() {
if(!$force && (!$this->isConnected() || !$this->transaction_started)) return;
@cubrid_commit($this->fd);
$this->transaction_started = false;
}
/**
* @brief : 쿼리문의 실행 및 결과의 fetch 처리
*
* query : query문 실행하고 result return\n
* fetch : reutrn 된 값이 없으면 NULL\n
* rows이면 array object\n
* row이면 object\n
* return\n
**/
function _query($query) {
//echo "(((".$this->backtrace().")))";
if(!$query || !$this->isConnected()) return;
// 쿼리 시작을 알림
$this->actStart($query);
// 쿼리 문 실행
$result = @cubrid_execute($this->fd, $query);
// 오류 체크
if(cubrid_error_code()) $this->setError(cubrid_error_code(), cubrid_error_msg());
// 쿼리 실행 종료를 알림
$this->actFinish();
// 결과 리턴
return $result;
}
/**
* @brief 결과를 fetch
**/
function _fetch($result) {
if(!$this->isConnected() || $this->isError() || !$result) return;
$col_types = cubrid_column_types ($result);
$col_names = cubrid_column_names ($result);
if (($max = count ($col_types)) == count ($col_names)) {
$count = 0;
while ($count < $max) {
if (preg_match ("/^char/", $col_types[$count]) > 0) {
$char_type_fields[] = $col_names[$count];
}
$count++;
}
}
while($tmp = cubrid_fetch($result, CUBRID_OBJECT)) {
if (is_array ($char_type_fields)) {
foreach ($char_type_fields as $val) {
$tmp->{$val} = rtrim ($tmp->{$val});
}
}
$output[] = $tmp;
}
unset ($char_type_fields);
if($result) cubrid_close_request($result);
if(count($output)==1) return $output[0];
return $output;
}
/**
* @brief 1씩 증가되는 sequence값을 return (cubrid의 auto_increment는 sequence테이블에서만 사용)
**/
function getNextSequence() {
$query = sprintf("select %ssequence.nextval as seq from db_root", $this->prefix);
$result = $this->_query($query);
$output = $this->_fetch($result);
return $output->seq;
}
/**
* @brief 테이블 기생성 여부 return
**/
function isTableExists($target_name) {
if($target_name == 'sequence')
$query = sprintf("select * from \"db_serial\" where \"name\" = '%s%s'", $this->prefix, $target_name);
else
$query = sprintf("select * from \"db_class\" where \"class_name\" = '%s%s'", $this->prefix, $target_name);
$result = $this->_query($query);
if(cubrid_num_rows($result)>0) $output = true;
else $output = false;
if($result) cubrid_close_request($result);
return $output;
}
/**
* @brief 특정 테이블에 특정 column 추가
**/
function addColumn($table_name, $column_name, $type='number', $size='', $default = '', $notnull=false) {
$type = $this->column_type[$type];
if(strtoupper($type)=='INTEGER') $size = '';
$query = sprintf("alter class \"%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) {
if ($type == 'number' || $type == 'bignumber') $query .= sprintf (" default %d ", $default);
else $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) {
$query = sprintf("alter class \"%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 * from \"db_attribute\" where \"attr_name\" ='%s' and \"class_name\" = '%s%s'",
$column_name, $this->prefix, $table_name);
$result = $this->_query($query);
if(cubrid_num_rows($result)>0) $output = true;
else $output = false;
if($result) cubrid_close_request($result);
return $output;
}
/**
* @brief 특정 테이블에 특정 인덱스 추가
* $target_columns = array(col1, col2)
* $is_unique? unique : none
**/
function addIndex($table_name, $index_name, $target_columns, $is_unique = false) {
if(!is_array($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) {
$query = sprintf("drop %s index \"%s\" on \"%s%s\"", $is_unique?'unique':'', $index_name, $this->prefix, $table_name);
$this->_query($query);
}
/**
* @brief 특정 테이블의 index 정보를 return
**/
function isIndexExists($table_name, $index_name) {
$query = sprintf("select * from \"db_index\" where \"class_name\" = '%s%s' and \"index_name\" = '%s' ", $this->prefix, $table_name, $index_name);
$result = $this->_query($query);
if($this->isError()) return false;
$output = $this->_fetch($result);
if(!$output) return false;
return true;
}
/**
* @brief xml 을 받아서 테이블을 생성
**/
function createTableByXml($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 class 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 = $xml_obj->table->attrs->name;
// 만약 테이블 이름이 sequence라면 serial 생성
if($table_name == 'sequence') {
$query = sprintf('create serial "%s" start with 1 increment by 1 minvalue 1 maxvalue 10000000000000000000000000000000000000 nocycle;', $this->prefix.$table_name);
return $this->_query($query);
}
if($this->isTableExists($table_name)) return;
$table_name = $this->prefix.$table_name;
$query = sprintf('create class "%s";', $table_name);
$this->_query($query);
/*$query = sprintf("call change_owner('%s','%s') on class db_root;", $table_name, $this->userid);
$this->_query($query); */
if(!is_array($xml_obj->table->column)) $columns[] = $xml_obj->table->column;
else $columns = $xml_obj->table->column;
$query = sprintf("alter class \"%s\" add attribute ", $table_name);
foreach($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 = $column->attrs->default;
switch($this->column_type[$type]) {
case 'integer' :
$size = null;
break;
case 'text' :
$size = null;
break;
}
if(isset ($default) && ($type == 'varchar' || $type == 'char')) $default = "'".$default."'";
$column_schema[] = sprintf('"%s" %s%s %s %s',
$name,
$this->column_type[$type],
$size?'('.$size.')':'',
isset($default)?"default ".$default:'',
$notnull?'not null':''
);
if($primary_key) $primary_list[] = $name;
else if($unique) $unique_list[$unique][] = $name;
else if($index) $index_list[$index][] = $name;
}
$query .= implode(',', $column_schema).';';
$this->_query($query);
if(count($primary_list)) {
$query = sprintf("alter class %s add attribute constraint \"pkey_%s\" PRIMARY KEY(%s);", $table_name, $table_name, '"'.implode('","',$primary_list).'"');
$this->_query($query);
}
if(count($unique_list)) {
foreach($unique_list as $key => $val) {
$query = sprintf("create unique index %s_%s on %s (%s);", $table_name, $key, $table_name, '"'.implode('","',$val).'"');
$this->_query($query);
}
}
if(count($index_list)) {
foreach($index_list as $key => $val) {
$query = sprintf("create index \"%s_%s\" on %s (%s);", $table_name, $key, $table_name, '"'.implode('","',$val).'"');
$this->_query($query);
}
}
}
/**
* @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'];
$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 = $v['value'];
if (strpos ($value, '(')) $valuetmp = $value;
elseif (strpos ($value, ".") === false) $valuetmp = $value;
else $valuetmp = '"'.str_replace('.', '"."', $value).'"';
} else $valuetmp = $value;
if (strpos ($name, '(') > 0) $nametmp = $name;
elseif (strpos ($name, ".") === false) $nametmp = '"'.$name.'"';
else $nametmp = '"'.str_replace('.', '"."', $name).'"';
$str = $this->getConditionPart($nametmp, $valuetmp, $operation);
if ($sub_condition) $sub_condition .= ' '.$pipe.' ';
$sub_condition .= $str;
}
if($sub_condition) {
if($condition && $val['pipe']) $condition .= ' '.$val['pipe'].' ';
$condition .= '('.$sub_condition.')';
}
}
return $condition;
}
/**
* @brief insertAct 처리
**/
function _executeInsertAct($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 = $val['value'];
if($this->getColumnType($output->column_type,$name)!='number') {
$clen=strlen($value);
if ($clen <= $this->cutlen)
$value = "'".$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 = $wrk;
}
if(!$value) $value = 'null';
} elseif(!$value || is_numeric($value)) $value = (int)$value;
if(strpos($name,'.')===false) $column_list[] = '"'.$name.'"';
else $column_list[] = $name;
$value_list[] = $value;
}
$query = sprintf("insert into %s (%s) values (%s);", implode(',',$table_list), implode(',',$column_list), implode(',', $value_list));
$result = $this->_query($query);
if($result && !$this->transaction_started) @cubrid_commit($this->fd);
return $result;
}
/**
* @brief updateAct 처리
**/
function _executeUpdateAct($output) {
// 테이블 정리
foreach($output->tables as $key => $val) {
$table_list[] = '"'.$this->prefix.$val.'" as "'.$key.'"';
}
$check_click_count = true;
// 컬럼 정리
foreach($output->columns as $key => $val) {
if(!isset($val['value'])) continue;
$name = $val['name'];
$value = $val['value'];
if(substr($value,-2)!='+1' || $output->column_type[$name]!='number') $check_click_count = false;
for ($i = 0; $i < $key; $i++) { // 한문장에 같은 속성에 대한 중복 설정은 큐브리드에서는 허용치 않음
if ($output->columns[$i]['name'] == $name) break;
}
if ($i < $key) continue; // 중복이 발견되면 이후의 설정은 무시
if(strpos($name,'.')!==false&&strpos($value,'.')!==false) $column_list[] = $name.' = '.$value;
else {
if($output->column_type[$name]!='number') {
$check_column = false;
$clen=strlen($value);
if ($clen <= $this->cutlen)
$value = "'".$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);
$check_click_count_condition = false;
if($check_click_count){
foreach($output->conditions as $val){
if($val['pipe']=='or'){
$check_click_count_condition = false;
break;
}
foreach($val['condition'] as $v){
if($v['operation']=='equal') $check_click_count_condition = true;
else{
if($v['operation']=='in' && !strpos($v['value'],',') ) $check_click_count_condition = true;
else $check_click_count_condition=false;
}
if($v['pipe']=='or'){
$check_click_count_condition= false;
break;
}
}
}
}
if($check_click_count
&& $check_click_count_condition
&& count($output->tables)==1
&& count($output->conditions)>0
&& count($output->groups)==0
&& count($output->order)==0){
foreach($output->columns as $k => $v) $incr_columns[]= 'incr("'.$v['name'].'")';
$query = sprintf('select %s from %s %s',join(',',$incr_columns), implode(',',$table_list), $condition);
}else{
$query = sprintf("update %s set %s %s", implode(',',$table_list), implode(',',$column_list), $condition);
}
$result = $this->_query($query);
if($result && !$this->transaction_started) @cubrid_commit($this->fd);
return $result;
}
/**
* @brief deleteAct 처리
**/
function _executeDeleteAct($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);
$result = $this->_query($query);
if($result && !$this->transaction_started) @cubrid_commit($this->fd);
return $result;
}
/**
* @brief selectAct 처리
*
* select의 경우 특정 페이지의 목록을 가져오는 것을 편하게 하기 위해\n
* navigation이라는 method를 제공
**/
function _executeSelectAct($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].'" "'.$key.'" on ('.$condition.')';
}
}
if(!$output->columns) {
$columns = '*';
} else {
$column_list = array();
foreach($output->columns as $key => $val) {
$name = $val['name'];
$click_count = '%s';
if($val['click_count'] && count($output->conditions)>0) {
$click_count = 'incr(%s)';
}
$alias = $val['alias'] ? sprintf('"%s"',$val['alias']) : null;
if($name == '*') {
$column_list[] = $name;
} elseif(strpos($name,'.')===false && strpos($name,'(')===false) {
$name = sprintf($click_count,$name);
if ($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);
if (($now_matchs = preg_match_all ("/\(/", $prefix, $xtmp)) > 0) {
if ($now_matchs == 1) {
$tmpval = explode ("(", $prefix);
$tmpval[1] = sprintf ('"%s"', $tmpval[1]);
$prefix = implode ("(", $tmpval);
$tmpval = explode (")", $name);
$tmpval[0] = sprintf ('"%s"', $tmpval[0]);
$name = implode (")", $tmpval);
}
}
else {
$prefix = sprintf('"%s"',$prefix);
$name = ($name == '*') ? $name : sprintf('"%s"',$name);
}
$xtmp = null;
$now_matchs = null;
$column_list[] = sprintf($click_count,sprintf('%s.%s', $prefix, $name)) . ($alias ? sprintf(' as %s',$alias) : '');
} elseif (($now_matchs = preg_match_all ("/\(/", $name, $xtmp)) > 0) {
if ($now_matchs == 1 && preg_match ("/[a-zA-Z0-9]*\(\*\)/", $name) < 1) {
$open_pos = strpos ($name, "(");
$close_pos = strpos ($name, ")");
if (preg_match ("/,/", $name)) {
$tmp_func_name = sprintf ('%s', substr ($name, 0, $open_pos));
$tmp_params = sprintf ('%s', substr ($name, $open_pos + 1, $close_pos - $open_pos - 1));
$tmpval = null;
$tmpval = explode (',', $tmp_params);
foreach ($tmpval as $tmp_param) {
$tmp_param_list[] = (!is_numeric ($tmp_param)) ? sprintf ('"%s"', $tmp_param) : $tmp_param;
}
$tmpval = implode (',', $tmp_param_list);
$name = sprintf ('%s(%s)', $tmp_func_name, $tmpval);
} else {
$name = sprintf ('%s("%s")',
substr ($name, 0, $open_pos),
substr ($name, $open_pos + 1, $close_pos - $open_pos - 1));
}
}
$column_list[] = sprintf ($click_count,$name) . ($alias ? sprintf (' as %s', $alias) : '');
} else {
$column_list[] = sprintf($click_count,$name) . ($alias ? sprintf(' as %s',$alias) : '');
}
}
}
$columns = implode(',',$column_list);
}
$condition = $this->getCondition($output);
if($output->list_count && $output->page) return $this->_getNavigationData($table_list, $columns, $left_join, $condition, $output);
$query = sprintf("select %s from %s %s %s", $columns, implode(',',$table_list),implode(' ',$left_join), $condition);
if (count ($output->groups)) {
foreach ($output->groups as $key => $value) {
if (strpos ($value, '.')) {
$tmp = explode ('.', $value);
$tmp[0] = sprintf ('"%s"', $tmp[0]);
$tmp[1] = sprintf ('"%s"', $tmp[1]);
$value = implode ('.', $tmp);
}
elseif (strpos ($value, '(')) $value = $value;
else $value = sprintf ('"%s"', $value);
$output->groups[$key] = $value;
}
$query .= sprintf(' group by %s', implode(',',$output->groups));
}
// list_count를 사용할 경우 적용
if($output->list_count['value']) {
$start_count = 0;
$list_count = $output->list_count['value'];
if ($output->order) {
foreach($output->order as $key => $val) {
if (strpos ($val[0], '.')) {
$tmpval = explode ('.', $val[0]);
$tmpval[0] = sprintf ('"%s"', $tmpval[0]);
$tmpval[1] = sprintf ('"%s"', $tmpval[1]);
$val[0] = implode ('.', $tmpval);
}
elseif (strpos ($val[0], '(')) $val[0] = $val[0];
elseif ($val[0] == 'count') $val[0] = 'count (*)';
else $val[0] = sprintf ('"%s"', $val[0]);
$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 + 1, $list_count + $start_count);
}
else {
if (count($output->groups))
$query = sprintf('%s having groupby_num() between %d and %d', $query, $start_count + 1, $list_count + $start_count);
else {
if ($condition)
$query = sprintf('%s and inst_num() between %d and %d', $query, $start_count + 1, $list_count + $start_count);
else
$query = sprintf('%s where inst_num() between %d and %d', $query, $start_count + 1, $list_count + $start_count);
}
}
} else {
if($output->order) {
foreach($output->order as $key => $val) {
if (strpos ($val[0], '.')) {
$tmpval = explode ('.', $val[0]);
$tmpval[0] = sprintf ('"%s"', $tmpval[0]);
$tmpval[1] = sprintf ('"%s"', $tmpval[1]);
$val[0] = implode ('.', $tmpval);
}
elseif (strpos ($val[0], '(')) $val[0] = $val[0];
elseif ($val[0] == 'count') $val[0] = 'count (*)';
else $val[0] = sprintf ('"%s"', $val[0]);
$index_list[] = sprintf('%s %s', $val[0], $val[1]);
}
if(count($index_list)) $query .= ' order by '.implode(',',$index_list);
}
}
$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id):'';
$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, $left_join, $condition, $output) {
require_once(_XE_PATH_.'classes/page/PageHandler.class.php');
/*
// group by 절이 포함된 SELECT 쿼리의 전체 갯수를 구하기 위한 수정
// 정상적인 동작이 확인되면 주석으로 막아둔 부분으로 대체합니다.
//
$count_condition = count($output->groups) ? sprintf('%s group by %s', $condition, implode(', ', $output->groups)) : $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);
$result = $this->_query($count_query);
$count_output = $this->_fetch($result);
$total_count = (int)$count_output->count;
$this->putCountCache($output->tables, $count_condition, $total_count);
}
*/
// 전체 개수를 구함
$count_query = sprintf("select count(*) as \"count\" from %s %s %s", implode(',',$table_list),implode(' ',$left_join), $condition);
$total_count = $this->getCountCache($output->tables, $condition);
if($total_count === false) {
$result = $this->_query($count_query);
$count_output = $this->_fetch($result);
$total_count = (int)$count_output->count;
$this->putCountCache($output->tables, $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;
$query = sprintf("select %s from %s %s %s", $columns, implode(',',$table_list), implode(' ',$left_join), $condition);
if (count ($output->groups)) {
foreach ($output->groups as $key => $value) {
if (strpos ($value, '.')) {
$tmp = explode ('.', $value);
$tmp[0] = sprintf ('"%s"', $tmp[0]);
$tmp[1] = sprintf ('"%s"', $tmp[1]);
$value = implode ('.', $tmp);
}
elseif (strpos ($value, '(')) $value = $value;
else $value = sprintf ('"%s"', $value);
$output->groups[$key] = $value;
}
$query .= sprintf(' group by %s', implode(',',$output->groups));
}
if ($output->order) {
foreach($output->order as $key => $val) {
if (strpos ($val[0], '.')) {
$tmpval = explode ('.', $val[0]);
$tmpval[0] = sprintf ('"%s"', $tmpval[0]);
$tmpval[1] = sprintf ('"%s"', $tmpval[1]);
$val[0] = implode ('.', $tmpval);
}
elseif (strpos ($val[0], '(')) $val[0] = $val[0];
elseif ($val[0] == 'count') $val[0] = 'count (*)';
else $val[0] = sprintf ('"%s"', $val[0]);
$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 + 1, $list_count + $start_count);
}
else {
if (count($output->groups))
$query = sprintf('%s having groupby_num() between %d and %d', $query, $start_count + 1, $list_count + $start_count);
else {
if ($condition)
$query = sprintf('%s and inst_num() between %d and %d', $query, $start_count + 1, $list_count + $start_count);
else
$query = sprintf('%s where inst_num() between %d and %d', $query, $start_count + 1, $list_count + $start_count);
}
}
$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)*$list_count;
while($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;
}
}
?>