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<?php
/**
* @class DBFriebird
* @author 김현식 (dev.hyuns@gmail.com)
* @brief Firebird DBMS를 이용하기 위한 class
* @version 0.3
*
* firebird handling class
**/
class DBFireBird extends DB {
/**
* @brief Firebird 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 $prefix = 'xe'; ///< XE에서 사용할 테이블들의 prefix (한 DB에서 여러개의 XE 설치 가능)
var $idx_no = 0; // 인덱스 생성시 사용할 카운터
var $comment_syntax = '/* %s */';
/**
* @brief firebird에서 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' => 'INTEGER',
'varchar' => 'VARCHAR',
'char' => 'CHAR',
'text' => 'BLOB SUB_TYPE TEXT SEGMENT SIZE 32',
'bigtext' => 'BLOB SUB_TYPE TEXT SEGMENT SIZE 32',
'date' => 'VARCHAR(14)',
'float' => 'FLOAT',
);
/**
* @brief constructor
**/
function DBFireBird() {
$this->_setDBInfo();
$this->_connect();
}
/**
* @brief 설치 가능 여부를 return
**/
function isSupported() {
if(!function_exists('ibase_connect')) 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 || !$this->port || !$this->userid || !$this->password || !$this->database) return;
//if(strpos($this->hostname, ':')===false && $this->port) $this->hostname .= ':'.$this->port;
// 접속시도
$host = $this->hostname."/".$this->port.":".$this->database;
$this->fd = @ibase_connect($host, $this->userid, $this->password);
if(ibase_errmsg()) {
$this->setError(ibase_errcode(), ibase_errmsg());
return $this->is_connected = false;
}
// Firebird 버전 확인후 2.0 이하면 오류 표시
if (($service = ibase_service_attach($this->hostname, $this->userid, $this->password)) != FALSE) {
// get server version and implementation strings
$server_info = ibase_server_info($service, IBASE_SVC_SERVER_VERSION);
ibase_service_detach($service);
}
else {
$this->setError(ibase_errcode(), ibase_errmsg());
@ibase_close($this->fd);
return $this->is_connected = false;
}
$pos = strpos($server_info, "Firebird");
if($pos !== false) {
$ver = substr($server_info, $pos+strlen("Firebird"));
$ver = trim($ver);
}
if($ver < "2.0") {
$this->setError(-1, "XE cannot be installed under the version of firebird 2.0. Current firebird version is ".$ver);
@ibase_close($this->fd);
return $this->is_connected = false;
}
// 접속체크
$this->is_connected = true;
$this->password = md5($this->password);
}
/**
* @brief DB접속 해제
**/
function close() {
if(!$this->isConnected()) return;
@ibase_commit($this->fd);
@ibase_close($this->fd);
$this->transaction_started = false;
}
/**
* @brief 쿼리에서 입력되는 문자열 변수들의 quotation 조절
**/
function addQuotes($string) {
// if(get_magic_quotes_gpc()) $string = stripslashes(str_replace("\\","\\\\",$string));
// if(!is_numeric($string)) $string = str_replace("'","''", $string);
return $string;
}
/**
* @brief 쿼리에서 입력되는 table, column 명에 더블쿼터를 넣어줌
**/
function addDoubleQuotes($string) {
if($string == "*") return $string;
if(strpos($string, "'")!==false) {
$string = str_replace("'", "\"", $string);
}
else if(strpos($string, "\"")!==false) {
}
else {
$string = "\"".$string."\"";
}
return $string;
}
/**
* @brief 쿼리에서 입력되는 table, column 명에 더블쿼터를 넣어줌
**/
function autoQuotes($string){
$string = strtolower($string);
// substr 함수 일경우
if(strpos($string, "substr(") !== false) {
$tokken = strtok($string, "(,)");
$tokken = strtok("(,)");
while($tokken) {
$tokkens[] = $tokken;
$tokken = strtok("(,)");
}
if(count($tokkens) !== 3) return $string;
return sprintf("substring(%s from %s for %s)", $this->addDoubleQuotes($tokkens[0]), $tokkens[1], $tokkens[2]);
}
// as
$as = false;
if(($no1 = strpos($string," as ")) !== false) {
$as = substr($string, $no1, strlen($string)-$no1);
$string = substr($string, 0, $no1);
$as = str_replace(" as ", "", $as);
$as = trim($as);
$as = $this->addDoubleQuotes($as);
}
// 함수 사용시
$tmpFunc1 = null;
$tmpFunc2 = null;
if(($no1 = strpos($string,'('))!==false && ($no2 = strpos($string, ')'))!==false) {
$tmpFunc1 = substr($string, 0, $no1+1);
$tmpFunc2 = substr($string, $no2, strlen($string)-$no2+1);
$string = trim(substr($string, $no1+1, $no2-$no1-1));
}
// (테이블.컬럼) 구조 일때 처리
preg_match("/((?i)[a-z0-9_-]+)[.]((?i)[a-z0-9_\-\*]+)/", $string, $matches);
if($matches) {
$string = $this->addDoubleQuotes($matches[1]).".".$this->addDoubleQuotes($matches[2]);
}
else {
$string = $this->addDoubleQuotes($string);
}
if($tmpFunc1 != null) $string = $tmpFunc1.$string;
if($tmpFunc2 != null) $string = $string.$tmpFunc2;
if($as !== false) $string = $string." as ".$as;
return $string;
}
function autoValueQuotes($string, $tables){
$tok = strtok($string, ",");
while($tok !== false) {
$values[] = $tok;
$tok = strtok(",");
}
foreach($values as $val1) {
// (테이블.컬럼) 구조 일때 처리
preg_match("/((?i)[a-z0-9_-]+)[.]((?i)[a-z0-9_\-\*]+)/", $val1, $matches);
if($matches) {
$isTable = false;
foreach($tables as $key2 => $val2) {
if($key2 == $matches[1]) $isTable = true;
if($val2 == $matches[1]) $isTable = true;
}
if($isTable) {
$return[] = $this->addDoubleQuotes($matches[1]).".".$this->addDoubleQuotes($matches[2]);
}
else {
$return[] = $val1;
}
}
else if(!is_numeric($val1)) {
if(strpos($val1, "'") !== 0)
$return[] = "'".$val1."'";
else
$return[] = $val1;
}
else {
$return[] = $val1;
}
}
return implode(",", $return);
}
/**
* @brief 트랜잭션 시작
**/
function begin() {
if(!$this->isConnected() || $this->transaction_started) return;
$this->transaction_started = true;
}
/**
* @brief 롤백
**/
function rollback() {
if(!$this->isConnected() || !$this->transaction_started) return;
@ibase_rollback($this->fd);
$this->transaction_started = false;
}
/**
* @brief 커밋
**/
function commit() {
if(!$force && (!$this->isConnected() || !$this->transaction_started)) return;
@ibase_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, $params=null) {
if(!$this->isConnected()) return;
if(count($params) == 0) {
// 쿼리 시작을 알림
$this->actStart($query);
// 쿼리 문 실행
$result = ibase_query($this->fd, $query);
}
else {
// 쿼리 시작을 알림
$log = $query."\n\t\t\t";
$log .= implode(",", $params);
$this->actStart($log);
// 쿼리 문 실행 (blob type 입력하기 위한 방법)
$query = ibase_prepare($this->fd, $query);
$fnarr = array_merge(array($query), $params);
$result = call_user_func_array("ibase_execute", $fnarr);
}
// 오류 체크
if(ibase_errmsg()) $this->setError(ibase_errcode(), ibase_errmsg());
// 쿼리 실행 종료를 알림
$this->actFinish();
// 결과 리턴
return $result;
}
/**
* @brief 결과를 fetch
**/
function _fetch($result, $output = null) {
if(!$this->isConnected() || $this->isError() || !$result) return;
while($tmp = ibase_fetch_object($result)) {
foreach($tmp as $key => $val) {
$type = $output->column_type[$key];
// type 값이 null 일때는 $key값이 alias인 경우라 실제 column 이름을 찾아 type을 구함
if($type == null && $output->columns && count($output->columns)) {
foreach($output->columns as $cols) {
if($cols['alias'] == $key) {
// table.column 형식인지 정규식으로 검사 함
preg_match("/\w+[.](\w+)/", $cols['name'], $matches);
if($matches) {
$type = $output->column_type[$matches[1]];
}
else {
$type = $output->column_type[$cols['name']];
}
}
}
}
if(($type == "text" || $type == "bigtext") && $tmp->{$key}) {
$blob_data = ibase_blob_info($tmp->{$key});
$blob_hndl = ibase_blob_open($tmp->{$key});
$tmp->{$key} = ibase_blob_get($blob_hndl, $blob_data[0]);
ibase_blob_close($blob_hndl);
}
else if($type == "char") {
$tmp->{$key} = trim($tmp->{$key}); // DB의 character set이 UTF8일때 생기는 빈칸을 제거
}
}
$return[] = $tmp;
}
if(count($return)==1) return $return[0];
return $return;
}
/**
* @brief 1씩 증가되는 sequence값을 return (firebird의 generator 값을 증가)
**/
function getNextSequence() {
$gen = "GEN_".$this->prefix."sequence_ID";
$sequence = ibase_gen_id($gen, 1);
return $sequence;
}
/**
* @brief 테이블 기생성 여부 return
**/
function isTableExists($target_name) {
$query = sprintf("select rdb\$relation_name from rdb\$relations where rdb\$system_flag=0 and rdb\$relation_name = '%s%s';", $this->prefix, $target_name);
$result = $this->_query($query);
$tmp = $this->_fetch($result);
if(!$tmp) {
if(!$this->transaction_started) @ibase_rollback($this->fd);
return false;
}
if(!$this->transaction_started) @ibase_commit($this->fd);
return true;
}
/**
* @brief 특정 테이블에 특정 column 추가
**/
function addColumn($table_name, $column_name, $type='number', $size='', $default = '', $notnull=false) {
$type = $this->column_type[$type];
if(strtoupper($type)=='INTEGER') $size = null;
else if(strtoupper($type)=='BIGINT') $size = null;
else if(strtoupper($type)=='BLOB SUB_TYPE TEXT SEGMENT SIZE 32') $size = null;
else if(strtoupper($type)=='VARCHAR' && !$size) $size = 256;
$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 ", $type);
if(!is_null($default)) $query .= sprintf(" DEFAULT '%s' ", $default);
if($notnull) $query .= " NOT NULL ";
$this->_query($query);
if(!$this->transaction_started) @ibase_commit($this->fd);
}
/**
* @brief 특정 테이블에 특정 column 제거
**/
function dropColumn($table_name, $column_name) {
$query = sprintf("alter table %s%s drop %s ", $this->prefix, $table_name, $column_name);
$this->_query($query);
if(!$this->transaction_started) @ibase_commit($this->fd);
}
/**
* @brief 특정 테이블의 column의 정보를 return
**/
function isColumnExists($table_name, $column_name) {
$query = sprintf("SELECT RDB\$FIELD_NAME as \"FIELD\" FROM RDB\$RELATION_FIELDS WHERE RDB\$RELATION_NAME = '%s%s'", $this->prefix, $table_name);
$result = $this->_query($query);
if($this->isError()) {
if(!$this->transaction_started) @ibase_rollback($this->fd);
return false;
}
$output = $this->_fetch($result);
if(!$this->transaction_started) @ibase_commit($this->fd);
if($output) {
$column_name = strtolower($column_name);
foreach($output as $key => $val) {
$name = trim(strtolower($val->FIELD));
if($column_name == $name) return true;
}
}
return false;
}
/**
* @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) {
// index name 크기가 31byte로 제한으로 index name을 넣지 않음
// Firebird에서는 index name을 넣지 않으면 "RDB$10"처럼 자동으로 이름을 부여함
// table을 삭제 할 경우 인덱스도 자동으로 삭제 됨
if(!is_array($target_columns)) $target_columns = array($target_columns);
$query = sprintf('CREATE %s INDEX "" ON "%s%s" ("%s");', $is_unique?'UNIQUE':'', $this->prefix, $table_name, implode('", "',$target_columns));
$this->_query($query);
if(!$this->transaction_started) @ibase_commit($this->fd);
}
/**
* @brief 특정 테이블의 특정 인덱스 삭제
**/
function dropIndex($table_name, $index_name, $is_unique = false) {
$query = sprintf('DROP INDEX "%s" ON "%s%s"', $index_name, $this->prefix, $table_name);
$this->_query($query);
if(!$this->transaction_started) @ibase_commit($this->fd);
}
/**
* @brief 특정 테이블의 index 정보를 return
**/
function isIndexExists($table_name, $index_name) {
$query = "SELECT\n";
$query .= " RDB\$INDICES.rdb\$index_name AS Key_name\n";
$query .= "FROM\n";
$query .= " RDB\$INDICES, rdb\$index_segments\n";
$query .= "WHERE\n";
$query .= " RDB\$INDICES.rdb\$index_name = rdb\$index_segments.rdb\$index_name AND\n";
$query .= " RDB\$INDICES.rdb\$relation_name = '";
$query .= $this->prefix;
$query .= $table_name;
$query .= "' AND\n";
$query .= " RDB\$INDICES.rdb\$index_name = '";
$query .= $index_name;
$query .= "'";
$result = $this->_query($query);
if($this->isError()) return;
$output = $this->_fetch($result);
if(!$output) {
if(!$this->transaction_started) @ibase_rollback($this->fd);
return false;
}
if(!$this->transaction_started) @ibase_commit($this->fd);
if(!is_array($output)) $output = array($output);
for($i=0;$i<count($output);$i++) {
if(trim($output[$i]->KEY_NAME) == $index_name) return true;
}
return false;
}
/**
* @brief xml 을 받아서 테이블을 생성
**/
function createTableByXml($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;
$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 = $column->attrs->auto_increment;
if($this->column_type[$type]=='INTEGER') $size = null;
else if($this->column_type[$type]=='BIGINT') $size = null;
else if($this->column_type[$type]=='BLOB SUB_TYPE TEXT SEGMENT SIZE 32') $size = null;
else if($this->column_type[$type]=='VARCHAR' && !$size) $size = 256;
$column_schema[] = sprintf('"%s" %s%s %s %s',
$name,
$this->column_type[$type],
$size?'('.$size.')':'',
is_null($default)?"":"DEFAULT '".$default."'",
$notnull?'NOT NULL':'');
if($auto_increment) $auto_increment_list[] = $name;
if($primary_key) $primary_list[] = $name;
else if($unique) $unique_list[$unique][] = $name;
else if($index) $index_list[$index][] = $name;
}
if(count($primary_list)) {
$column_schema[] = sprintf("PRIMARY KEY(\"%s\")%s", implode("\",\"", $primary_list), "\n");
}
if(count($unique_list)) {
foreach($unique_list as $key => $val) {
$column_schema[] = sprintf("UNIQUE(\"%s\")%s", implode("\",\"", $val), "\n");
}
}
$schema = sprintf("CREATE TABLE \"%s\" (%s%s); \n", $table_name, "\n", implode($column_schema, ",\n"));
$output = $this->_query($schema);
if(!$this->transaction_started) @ibase_commit($this->fd);
if(!$output) return false;
if(count($index_list)) {
foreach($index_list as $key => $val) {
// index name 크기가 31byte로 제한으로 index name을 넣지 않음
// Firebird에서는 index name을 넣지 않으면 "RDB$10"처럼 자동으로 이름을 부여함
// table을 삭제 할 경우 인덱스도 자동으로 삭제 됨
$schema = sprintf("CREATE INDEX \"\" ON \"%s\" (\"%s\");",
$table_name, implode($val, "\",\""));
$output = $this->_query($schema);
if(!$this->transaction_started) @ibase_commit($this->fd);
if(!$output) return false;
}
}
foreach($auto_increment_list as $increment) {
$schema = sprintf('CREATE GENERATOR GEN_%s_ID;', $table_name);
$output = $this->_query($schema);
if(!$this->transaction_started) @ibase_commit($this->fd);
if(!$output) return false;
// Firebird에서 auto increment는 generator를 만들어 insert 발생시 트리거를 실행시켜
// generator의 값을 증가시키고 그값을 테이블에 넣어주는 방식을 사용함.
// 아래 트리거가 auto increment 역할을 하지만 쿼리로 트리거 등록이 되지 않아 주석처리 하였음.
// php 함수에서 generator 값을 증가시켜 주는 함수가 있어 XE에서는 굳이
// auto increment를 사용 할 필요가 없어보임.
/*
$schema = 'SET TERM ^ ; ';
$schema .= sprintf('CREATE TRIGGER "%s_BI" FOR "%s" ', $table_name, $table_name);
$schema .= 'ACTIVE BEFORE INSERT POSITION 0 ';
$schema .= sprintf('AS BEGIN IF (NEW."%s" IS NULL) THEN ', $increment);
$schema .= sprintf('NEW."%s" = GEN_ID("GEN_%s_ID",1);', $increment, $table_name);
$schema .= 'END^ SET TERM ; ^';
$output = $this->_query($schema);
if(!$output) return false;
*/
}
}
/**
* @brief 조건문 작성하여 return
**/
function getCondition($output) {
if(!$output->conditions) return;
$condition = $this->_getCondition($output->conditions,$output->column_type,$output->_tables);
if($condition) $condition = ' where '.$condition;
return $condition;
}
function getLeftCondition($conditions,$column_type,$tables){
return $this->_getCondition($conditions,$column_type,$tables);
}
function _getCondition($conditions,$column_type,$tables) {
$condition = '';
foreach($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'];
$name = $this->autoQuotes($name);
$value = $this->autoValueQuotes($value, $tables);
$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 $condition;
}
/**
* @brief insertAct 처리
**/
function _executeInsertAct($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'];
$value = str_replace("'", "`", $value);
if($output->column_type[$name]=="text" || $output->column_type[$name]=="bigtext"){
if(!isset($val['value'])) continue;
$blh = ibase_blob_create($this->fd);
ibase_blob_add($blh, $value);
$value = ibase_blob_close($blh);
}
else if($output->column_type[$name]!='number') {
// if(!$value) $value = 'null';
} elseif(!$value || is_numeric($value)) $value = (int)$value;
$column_list[] = '"'.$name.'"';
$value_list[] = $value;
$questions[] = "?";
}
$query = sprintf("insert into %s (%s) values (%s);", implode(',',$table_list), implode(',',$column_list), implode(',', $questions));
$result = $this->_query($query, $value_list);
if(!$this->transaction_started) @ibase_commit($this->fd);
return $result;
}
/**
* @brief updateAct 처리
**/
function _executeUpdateAct($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'];
$value = str_replace("'", "`", $value);
if(strpos($name,'.')!==false&&strpos($value,'.')!==false) $column_list[] = $name.' = '.$value;
else {
if($output->column_type[$name]=="text" || $output->column_type[$name]=="bigtext"){
$blh = ibase_blob_create($this->fd);
ibase_blob_add($blh, $value);
$value = ibase_blob_close($blh);
}
else if($output->column_type[$name]=='number' ||
$output->column_type[$name]=='bignumber' ||
$output->column_type[$name]=='float') {
// 연산식이 들어갔을 경우 컬럼명이 있는 지 체크해 더블쿼터를 넣어줌
preg_match("/(?i)[a-z][a-z0-9_]+/", $value, $matches);
foreach($matches as $key => $val) {
$value = str_replace($val, "\"".$val."\"", $value);
}
if($matches != null) {
$column_list[] = sprintf("\"%s\" = %s", $name, $value);
continue;
}
}
$values[] = $value;
$column_list[] = sprintf('"%s" = ?', $name);
}
}
// 조건절 정리
$condition = $this->getCondition($output);
$query = sprintf("update %s set %s %s;", implode(',',$table_list), implode(',',$column_list), $condition);
$result = $this->_query($query, $values);
if(!$this->transaction_started) @ibase_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(!$this->transaction_started) @ibase_commit($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[] = sprintf("\"%s%s\" as \"%s\"", $this->prefix, $val, $key);
}
$left_join = array();
// why???
$left_tables= (array)$output->left_tables;
foreach($left_tables as $key => $val) {
$condition = $this->getLeftCondition($output->left_conditions[$key],$output->column_type,$output->_tables);
if($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'];
$alias = $val['alias'];
if($val['click_count']) $click_count[] = $val['name'];
if($alias == "")
$column_list[] = $this->autoQuotes($name);
else
$column_list[] = sprintf("%s as \"%s\"", $this->autoQuotes($name), $alias);
}
$columns = implode(',',$column_list);
}
$condition = $this->getCondition($output);
if($output->list_count && $output->page) return $this->_getNavigationData($table_list, $columns, $left_join, $condition, $output);
// list_order, update_order 로 정렬시에 인덱스 사용을 위해 condition에 쿼리 추가
if($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 ', $col);
}
}
}
// list_count를 사용할 경우 적용
if($output->list_count['value']) $limit = sprintf('FIRST %d', $output->list_count['value']);
else $limit = '';
$query = sprintf("select %s from %s %s %s", $columns, implode(',',$table_list),implode(' ',$left_join), $condition);
if($output->groups) {
foreach($output->groups as $key => $val) {
$group_list[] = $this->autoQuotes($val);
}
if(count($group_list)) $query .= sprintf(" group by %s", implode(",",$group_list));
}
if($output->order) {
foreach($output->order as $key => $val) {
$index_list[] = sprintf("%s %s", $this->autoQuotes($val[0]), $val[1]);
}
if(count($index_list)) $query .= sprintf(" order by %s", implode(",",$index_list));
}
$query .= ";";
$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id):'';
$result = $this->_query($query);
if($this->isError()) {
if(!$this->transaction_started) @ibase_rollback($this->fd);
return;
}
$data = $this->_fetch($result, $output);
if(!$this->transaction_started) @ibase_commit($this->fd);
if(count($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);
}
$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');
$query_groupby = '';
if ($output->groups) {
foreach ($output->groups as $key => $val)
$group_list[] = $this->autoQuotes($val);
if (count($group_list)) $query_groupby = sprintf(" GROUP BY %s", implode(", ", $group_list));
}
/*
// group by 절이 포함된 SELECT 쿼리의 전체 갯수를 구하기 위한 수정
// 정상적인 동작이 확인되면 주석으로 막아둔 부분으로 대체합니다.
//
$count_condition = strlen($query_groupby) ? sprintf('%s group by %s', $condition, $query_groupby) : $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);
if(!$this->transaction_started) @ibase_commit($this->fd);
$total_count = (int)$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)*$list_count;
// list_order, update_order 로 정렬시에 인덱스 사용을 위해 condition에 쿼리 추가
if($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);
}
}
}
$limit = sprintf('FIRST %d SKIP %d ', $list_count, $start_count);
$query = sprintf('SELECT %s %s FROM %s %s %s', $limit, $columns, implode(',',$table_list), implode(' ',$left_join), $condition);
if (strlen($query_groupby)) $query .= $query_groupby;
if($output->order) {
foreach($output->order as $key => $val) {
$index_list[] = sprintf("%s %s", $this->autoQuotes($val[0]), $val[1]);
}
if(count($index_list)) $query .= sprintf(" ORDER BY %s", implode(",",$index_list));
}
$query .= ";";
$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id):'';
$result = $this->_query($query);
if($this->isError()) {
if(!$this->transaction_started) @ibase_rollback($this->fd);
$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 = ibase_fetch_object($result)) {
foreach($tmp as $key => $val){
$type = $output->column_type[$key];
// type 값이 null 일때는 $key값이 alias인 경우라 실제 column 이름을 찾아 type을 구함
if($type == null && $output->columns && count($output->columns)) {
foreach($output->columns as $cols) {
if($cols['alias'] == $key) {
// table.column 형식인지 정규식으로 검사 함
preg_match("/\w+[.](\w+)/", $cols['name'], $matches);
if($matches) {
$type = $output->column_type[$matches[1]];
}
else {
$type = $output->column_type[$cols['name']];
}
}
}
}
if(($type == "text" || $type == "bigtext") && $tmp->{$key}) {
$blob_data = ibase_blob_info($tmp->{$key});
$blob_hndl = ibase_blob_open($tmp->{$key});
$tmp->{$key} = ibase_blob_get($blob_hndl, $blob_data[0]);
ibase_blob_close($blob_hndl);
}
}
$data[$virtual_no--] = $tmp;
}
if(!$this->transaction_started) @ibase_commit($this->fd);
$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;
}
}
?>