mirror of
https://github.com/Lastorder-DC/rhymix.git
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4d272994dd
git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0_english@8278 201d5d3c-b55e-5fd7-737f-ddc643e51545
902 lines
32 KiB
PHP
902 lines
32 KiB
PHP
<?php
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/**
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* @class DBMSSQL
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* @author NHN (developers@xpressengine.com)
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* @brief Modified to use MSSQL driver by sol (sol@ngleader.com)
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* @version 0.1
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**/
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class DBMssql extends DB {
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/**
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* information to connect to DB
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**/
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var $conn = NULL;
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var $database = NULL; ///< database
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var $prefix = 'xe'; // / <prefix of XE tables(One more XE can be installed on a single DB)
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var $param = array();
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var $comment_syntax = '/* %s */';
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/**
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* @brief column type used in mssql
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*
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* column_type should be replaced for each DBMS's type
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* becasue it uses commonly defined type in the schema/query xml
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**/
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var $column_type = array(
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'bignumber' => 'bigint',
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'number' => 'int',
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'varchar' => 'varchar',
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'char' => 'char',
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'text' => 'text',
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'bigtext' => 'text',
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'date' => 'varchar(14)',
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'float' => 'float',
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);
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/**
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* @brief constructor
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**/
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function DBMssql() {
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$this->_setDBInfo();
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$this->_connect();
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}
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/**
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* @brief create an instance of this class
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*/
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function create()
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{
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return new DBMssql;
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}
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/**
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* @brief Return if installable
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**/
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function isSupported() {
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if (!extension_loaded("sqlsrv")) return false;
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return true;
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}
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/**
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* @brief DB settings and connect/close
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**/
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function _setDBInfo() {
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$db_info = Context::getDBInfo();
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$this->hostname = $db_info->db_hostname;
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$this->port = $db_info->db_port;
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$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->prefix = $db_info->db_table_prefix;
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if(!substr($this->prefix,-1)!='_') $this->prefix .= '_';
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}
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/**
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* @brief DB Connection
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**/
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function _connect() {
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// ignore if db information not exists
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if(!$this->hostname || !$this->database) return;
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//sqlsrv_configure( 'WarningsReturnAsErrors', 0 );
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//sqlsrv_configure( 'LogSeverity', SQLSRV_LOG_SEVERITY_ALL );
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//sqlsrv_configure( 'LogSubsystems', SQLSRV_LOG_SYSTEM_ALL );
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$this->conn = sqlsrv_connect( $this->hostname,
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array( 'Database' => $this->database,'UID'=>$this->userid,'PWD'=>$this->password ));
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// Check connections
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if($this->conn){
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$this->is_connected = true;
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$this->password = md5($this->password);
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}else{
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$this->is_connected = false;
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}
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}
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/**
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* @brief DB disconnect
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**/
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function close() {
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if($this->is_connected == false) return;
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$this->commit();
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sqlsrv_close($this->conn);
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$this->conn = null;
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}
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/**
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* @brief handles quatation of the string variables from the query
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**/
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function addQuotes($string) {
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if(version_compare(PHP_VERSION, "5.9.0", "<") && 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 $string;
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}
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/**
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* @brief Begin transaction
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**/
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function begin() {
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if($this->is_connected == false || $this->transaction_started) return;
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if(sqlsrv_begin_transaction( $this->conn ) === false) return;
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$this->transaction_started = true;
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}
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/**
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* @brief Rollback
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**/
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function rollback() {
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if($this->is_connected == false || !$this->transaction_started) return;
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$this->transaction_started = false;
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sqlsrv_rollback( $this->conn );
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}
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/**
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* @brief Commit
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**/
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function commit($force = false) {
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if(!$force && ($this->is_connected == false || !$this->transaction_started)) return;
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$this->transaction_started = false;
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sqlsrv_commit( $this->conn );
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}
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/**
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* @brief : executing the query and fetching the result
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*
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* query: run a query and return the result\n
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* fetch: NULL if no value returned \n
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* array object if rows returned \n
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* object if a row returned \n
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* return\n
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**/
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function _query($query) {
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if($this->is_connected == false || !$query) return;
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$_param = array();
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if(count($this->param)){
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foreach($this->param as $k => $o){
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if($o['type'] == 'number'){
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$_param[] = &$o['value'];
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}else{
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$_param[] = array(&$o['value'], SQLSRV_PARAM_IN, SQLSRV_PHPTYPE_STRING('utf-8'));
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}
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}
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}
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// Notify to start a query execution
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$this->actStart($query);
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// Run the query statement
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$result = false;
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if(count($_param)){
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$result = @sqlsrv_query($this->conn, $query, $_param);
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}else{
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$result = @sqlsrv_query($this->conn, $query);
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}
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// Error Check
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if(!$result) $this->setError(print_r(sqlsrv_errors(),true));
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// Notify to complete a query execution
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$this->actFinish();
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$this->param = array();
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return $result;
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}
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/**
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* @brief Fetch results
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**/
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function _fetch($result) {
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if(!$this->isConnected() || $this->isError() || !$result) return;
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$c = sqlsrv_num_fields($result);
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$m = null;
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$output = array();
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while(sqlsrv_fetch($result)){
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if(!$m) $m = sqlsrv_field_metadata($result);
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unset($row);
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for($i=0;$i<$c;$i++){
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$row->{$m[$i]['Name']} = sqlsrv_get_field( $result, $i, SQLSRV_PHPTYPE_STRING( 'utf-8' ));
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}
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$output[] = $row;
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}
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if(count($output)==1) return $output[0];
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return $output;
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}
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/**
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* @brief Return sequence value incremented by 1(auto_increment is usd in the sequence table only)
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**/
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function getNextSequence() {
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$query = sprintf("insert into %ssequence (seq) values (ident_incr('%ssequence'))", $this->prefix, $this->prefix);
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$this->_query($query);
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$query = sprintf("select ident_current('%ssequence')+1 as sequence", $this->prefix);
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$result = $this->_query($query);
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$tmp = $this->_fetch($result);
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return $tmp->sequence;
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}
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/**
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* @brief Return if a table already exists
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**/
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function isTableExists($target_name) {
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$query = sprintf("select name from sysobjects where name = '%s%s' and xtype='U'", $this->prefix, $this->addQuotes($target_name));
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$result = $this->_query($query);
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$tmp = $this->_fetch($result);
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if(!$tmp) return false;
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return true;
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}
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/**
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* @brief Add a column to a table
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**/
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function addColumn($table_name, $column_name, $type='number', $size='', $default = '', $notnull=false) {
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if($this->isColumnExists($table_name, $column_name)) return;
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$type = $this->column_type[$type];
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if(strtoupper($type)=='INTEGER') $size = '';
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$query = sprintf("alter table %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($query);
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}
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/**
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* @brief Delete a column from a table
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**/
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function dropColumn($table_name, $column_name) {
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if(!$this->isColumnExists($table_name, $column_name)) return;
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$query = sprintf("alter table %s%s drop %s ", $this->prefix, $table_name, $column_name);
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$this->_query($query);
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}
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/**
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* @brief Return column information of a table
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**/
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function isColumnExists($table_name, $column_name) {
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$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, $column_name);
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$result = $this->_query($query);
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if($this->isError()) return;
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$tmp = $this->_fetch($result);
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if(!$tmp->name) return false;
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return true;
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}
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/**
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* @brief Add an index to a table
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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, $is_unique = false) {
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if($this->isIndexExists($table_name, $index_name)) return;
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if(!is_array($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 Drop an index from a table
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**/
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function dropIndex($table_name, $index_name, $is_unique = false) {
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if(!$this->isIndexExists($table_name, $index_name)) return;
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$query = sprintf("drop index %s%s.%s", $this->prefix, $table_name, $index_name);
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$this->_query($query);
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}
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/**
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* @brief Return index information of a table
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**/
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function isIndexExists($table_name, $index_name) {
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$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, $index_name);
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$result = $this->_query($query);
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if($this->isError()) return;
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$tmp = $this->_fetch($result);
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if(!$tmp->name) return false;
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return true;
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}
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/**
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* @brief Create a table by using xml file
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**/
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function createTableByXml($xml_doc) {
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return $this->_createTable($xml_doc);
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}
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/**
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* @brief Create a table by using xml file
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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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// read xml file
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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 generate a query statement to create a table by using schema xml
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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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// Create a table schema
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$table_name = $xml_obj->table->attrs->name;
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if($this->isTableExists($table_name)) return;
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if($table_name == 'sequence') {
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$table_name = $this->prefix.$table_name;
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$query = sprintf('create table %s ( sequence int identity(1,1), seq int )', $table_name);
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return $this->_query($query);
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} else {
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$table_name = $this->prefix.$table_name;
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if(!is_array($xml_obj->table->column)) $columns[] = $xml_obj->table->column;
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else $columns = $xml_obj->table->column;
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foreach($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 = $column->attrs->default;
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$auto_increment = $column->attrs->auto_increment;
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$column_schema[] = sprintf('[%s] %s%s %s %s %s %s',
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$name,
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$this->column_type[$type],
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!in_array($type,array('number','text'))&&$size?'('.$size.')':'',
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$primary_key?'primary key':'',
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isset($default)?"default '".$default."'":'',
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$notnull?'not null':'null',
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$auto_increment?'identity(1,1)':''
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);
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if($unique) $unique_list[$unique][] = $name;
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else if($index) $index_list[$index][] = $name;
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}
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$schema = sprintf('create table [%s] (xe_seq int identity(1,1),%s%s)', $this->addQuotes($table_name), "\n", implode($column_schema,",\n"));
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$output = $this->_query($schema);
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if(!$output) return false;
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if(count($unique_list)) {
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foreach($unique_list as $key => $val) {
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$query = sprintf("create unique index %s on %s (%s);", $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 on %s (%s);", $key, $table_name, '['.implode('],[',$val).']');
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$this->_query($query);
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}
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}
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return true;
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}
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}
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/**
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* @brief Return conditional clause
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**/
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function getCondition($output) {
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if(!$output->conditions) return;
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$condition = $this->_getCondition($output->conditions,$output->column_type);
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if($condition) $condition = ' where '.$condition;
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return $condition;
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}
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function getLeftCondition($conditions,$column_type){
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return $this->_getCondition($conditions,$column_type);
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}
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function _getCondition($conditions,$column_type) {
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$condition = '';
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foreach($conditions as $val) {
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$sub_condition = '';
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foreach($val['condition'] as $v) {
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if(!isset($v['value'])) continue;
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if($v['value'] === '') continue;
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if(!in_array(gettype($v['value']), array('string', 'integer', 'double'))) continue;
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$name = $v['column'];
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if(preg_match('/^substr\(/i',$name)) $name = preg_replace('/^substr\(/i','substring(',$name);
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$operation = $v['operation'];
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$value = $v['value'];
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$type = $this->getColumnType($column_type,$name);
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$pipe = $v['pipe'];
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$value = $this->getConditionValue($name, $value, $operation, $type, $column_type);
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if(!$value) $value = $v['value'];
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$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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return $condition;
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}
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function getConditionValue($name, $value, $operation, $type, $column_type) {
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if($type == 'number') {
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if(strpos($value,',')===false && strpos($value,'(')===false){
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if(is_integer($value)){
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$this->param[] = array('type'=>'number','value'=>(int)$value);
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return '?';
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}else{
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return $value;
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}
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}
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}
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if(strpos($name,'.')!==false&&strpos($value,'.')!==false) {
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list($table_name, $column_name) = explode('.',$value);
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if($column_type[$column_name]){
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return $value;
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}
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}
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switch($operation) {
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case 'like_prefix' :
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$value = preg_replace('/(^\'|\'$){1}/','',$value);
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$this->param[] = array('type'=>$column_type[$name],'value'=>$value);
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$value = "? + '%'";
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break;
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case 'like_tail' :
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$value = preg_replace('/(^\'|\'$){1}/','',$value);
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$this->param[] = array('type'=>$column_type[$name],'value'=>$value);
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$value = "'%' + ?";
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break;
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case 'like' :
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$value = preg_replace('/(^\'|\'$){1}/','',$value);
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$this->param[] = array('type'=>$column_type[$name],'value'=>$value);
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$value = "'%' + ? + '%'";
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break;
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case 'notin' :
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preg_match_all('/,?\'([^\']*)\'/',$value,$match);
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$val = array();
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foreach($match[1] as $k => $v){
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$this->param[] = array('type'=>$column_type[$name],'value'=>trim($v));
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$val[] ='?';
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}
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$value = join(',',$val);
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break;
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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 $value;
|
|
}
|
|
|
|
/**
|
|
* @brief Handle the insertAct
|
|
**/
|
|
function _executeInsertAct($output) {
|
|
|
|
// List tables
|
|
foreach($output->tables as $key => $val) {
|
|
$table_list[] = '['.$this->prefix.$val.']';
|
|
}
|
|
// List columns
|
|
foreach($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 Handle updateAct
|
|
**/
|
|
function _executeUpdateAct($output) {
|
|
// List tables
|
|
foreach($output->tables as $key => $val) {
|
|
$table_list[] = '['.$this->prefix.$val.']';
|
|
}
|
|
|
|
// List columns
|
|
|
|
foreach($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);
|
|
}
|
|
|
|
|
|
}
|
|
}
|
|
// List the conditional clause
|
|
$condition = $this->getCondition($output);
|
|
|
|
$query = sprintf("update %s set %s %s", implode(',',$table_list), implode(',',$column_list), $condition);
|
|
|
|
return $this->_query($query);
|
|
}
|
|
|
|
/**
|
|
* @brief Handle deleteAct
|
|
**/
|
|
function _executeDeleteAct($output) {
|
|
// List tables
|
|
foreach($output->tables as $key => $val) {
|
|
$table_list[] = '['.$this->prefix.$val.']';
|
|
}
|
|
// List the conditional clause
|
|
$condition = $this->getCondition($output);
|
|
|
|
$query = sprintf("delete from %s %s", implode(',',$table_list), $condition);
|
|
|
|
return $this->_query($query);
|
|
}
|
|
|
|
/**
|
|
* @brief Handle selectAct
|
|
*
|
|
* In order to get a list of pages easily when selecting \n
|
|
* it supports a method as navigation
|
|
**/
|
|
function _executeSelectAct($output) {
|
|
// List tables
|
|
$table_list = array();
|
|
foreach($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 . ')';
|
|
}
|
|
}
|
|
|
|
$click_count = array();
|
|
if(!$output->columns){
|
|
$output->columns = array(array('name'=>'*'));
|
|
}
|
|
|
|
$column_list = array();
|
|
foreach($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) $column_list[$alias] = sprintf('[%s] as [%s]', $name, $alias);
|
|
else $column_list[] = sprintf('[%s]',$name);
|
|
} else {
|
|
if($alias) $column_list[$alias] = sprintf('%s as [%s]', $name, $alias);
|
|
else $column_list[] = sprintf('%s',$name);
|
|
}
|
|
}
|
|
$columns = implode(',',$column_list);
|
|
|
|
$condition = $this->getCondition($output);
|
|
|
|
$output->column_list = $column_list;
|
|
if($output->list_count && $output->page) return $this->_getNavigationData($table_list, $columns, $left_join, $condition, $output);
|
|
// Add a condition to use an index when sorting in order by list_order, update_order
|
|
if($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 ', $col);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(count($output->groups)){
|
|
foreach($output->groups as $k => $v ){
|
|
if(preg_match('/^substr\(/i',$v)) $output->groups[$k] = preg_replace('/^substr\(/i','substring(',$v);
|
|
if($column_list[$v]) $output->arg_columns[] = $column_list[$v];
|
|
}
|
|
$groupby_query = sprintf(' group by %s', implode(',',$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], $val[1]);
|
|
if(count($output->arg_columns) && $column_list[$val[0]]) $output->arg_columns[] = $column_list[$val[0]];
|
|
}
|
|
if(count($index_list)) $orderby_query = ' order by '.implode(',',$index_list);
|
|
}
|
|
|
|
if(count($output->arg_columns))
|
|
{
|
|
$columns = array();
|
|
foreach($output->arg_columns as $col){
|
|
if(strpos($col,'[')===false && strpos($col,' ')==false) $columns[] = '['.$col.']';
|
|
else $columns[] = $col;
|
|
}
|
|
|
|
$columns = join(',',$columns);
|
|
}
|
|
|
|
$query = sprintf("%s from %s %s %s %s", $columns, implode(',',$table_list),implode(' ',$left_join), $condition, $groupby_query.$orderby_query);
|
|
// Apply when using list_count
|
|
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 $buff;
|
|
}
|
|
|
|
/**
|
|
* @brief Paging is handled if navigation information exists in the query xml
|
|
*
|
|
* It is quite convenient although its structure is not good at all .. -_-;
|
|
**/
|
|
function _getNavigationData($table_list, $columns, $left_join, $condition, $output) {
|
|
require_once(_XE_PATH_.'classes/page/PageHandler.class.php');
|
|
|
|
$column_list = $output->column_list;
|
|
|
|
// Get a total count
|
|
if(count($output->groups)){
|
|
foreach($output->groups as $k => $v ){
|
|
if(preg_match('/^substr\(/i',$v)) $output->groups[$k] = preg_replace('/^substr\(/i','substring(',$v);
|
|
if($column_list[$v]) $output->arg_columns[] = $column_list[$v];
|
|
}
|
|
$count_condition = sprintf('%s group by %s', $condition, implode(', ', $output->groups));
|
|
}else{
|
|
$count_condition = $condition;
|
|
}
|
|
|
|
$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;
|
|
|
|
$count_query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id . ' count(*)'):'';
|
|
$result = $this->_query($count_query);
|
|
|
|
$this->param = $param;
|
|
$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) $page = 1;
|
|
// Get a total page
|
|
if($total_count) $total_page = (int)( ($total_count-1) / $list_count) + 1;
|
|
else $total_page = 1;
|
|
// Check Page variables
|
|
if($page > $total_page) $page = $total_page;
|
|
$start_count = ($page-1)*$list_count;
|
|
// Add a condition to use an index when sorting in order by list_order, update_order
|
|
$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 ', $col);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Add group by clause
|
|
if(count($output->groups)){
|
|
foreach($output->groups as $k => $v ){
|
|
if(preg_match('/^substr\(/i',$v)) $output->groups[$k] = preg_replace('/^substr\(/i','substring(',$v);
|
|
if($column_list[$v]) $output->arg_columns[] = $column_list[$v];
|
|
}
|
|
|
|
$group = sprintf('group by %s', implode(',',$output->groups));
|
|
}
|
|
|
|
// Add order by clause
|
|
$order_targets = array();
|
|
if($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], $val[1]);
|
|
if(count($output->arg_columns) && $column_list[$val[0]]) $output->arg_columns[] = $column_list[$val[0]];
|
|
}
|
|
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 $order_targets['xe_seq'] = 'desc';
|
|
}
|
|
|
|
if(count($output->arg_columns))
|
|
{
|
|
$columns = array();
|
|
foreach($output->arg_columns as $col){
|
|
if(strpos($col,'[')===false && strpos($col,' ')==false) $columns[] = '['.$col.']';
|
|
else $columns[] = $col;
|
|
}
|
|
|
|
$columns = join(',',$columns);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
// Fetch values to sort
|
|
$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);
|
|
|
|
|
|
|
|
// Re-execute a query by using fetched values
|
|
$sub_cond = array();
|
|
foreach($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;
|
|
}
|
|
|
|
}
|
|
|
|
return new DBMssql;
|
|
?>
|