mirror of
https://github.com/Lastorder-DC/rhymix.git
synced 2026-01-09 19:51:42 +09:00
0cd318fcf5
Added Query object to hold together query parts. Updated structure of query cache file to return Query object. Added support for array query arguments - used in the IN clause. git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0-DB@8438 201d5d3c-b55e-5fd7-737f-ddc643e51545
759 lines
20 KiB
PHP
759 lines
20 KiB
PHP
<?php
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/**
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* @class DBCubrid
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* @author NHN (developers@xpressengine.com)
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* @brief Cubrid DBMS to use the class
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* @version 0.1p1
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*
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* Modified to work with CUBRID2008 R1.3 verion by Prototype (prototype@cubrid.com)/09.02.23
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* Test completed for CUBRID 7.3 ~ 2008 R1.3 versions.
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* Only basic query used so query tunning and optimization needed
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**/
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class DBCubrid extends DB
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{
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/**
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* @brief CUBRID DB connection information
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**/
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var $hostname = '127.0.0.1'; ///< hostname
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var $userid = NULL; ///< user id
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var $password = NULL; ///< password
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var $database = NULL; ///< database
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var $port = 33000; ///< db server port
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var $prefix = 'xe'; // / <prefix of XE tables(One more XE can be installed on a single DB)
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var $cutlen = 12000; // /< max size of constant in CUBRID(if string is larger than this, '...'+'...' should be used)
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var $comment_syntax = '/* %s */';
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/**
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* @brief column type used in CUBRID
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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 $column_type = array(
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'bignumber' => 'numeric(20)',
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'number' => 'integer',
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'varchar' => 'character varying',
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'char' => 'character',
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'tinytext' => 'character varying(256)',
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'text' => 'character varying(1073741823)',
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'bigtext' => 'character varying(1073741823)',
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'date' => 'character varying(14)',
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'float' => 'float',
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);
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/**
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* @brief constructor
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**/
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function DBCubrid()
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{
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$this->_setDBInfo();
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$this->_connect();
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}
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/**
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* @brief create an instance of this class
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*/
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function create()
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{
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return new DBCubrid;
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}
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/**
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* @brief Return if installable
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**/
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function isSupported()
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{
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if (!function_exists('cubrid_connect')) return false;
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return true;
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}
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/**
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* @brief DB settings and connect/close
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**/
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function _setDBInfo()
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{
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$db_info = Context::getDBInfo();
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$this->hostname = $db_info->db_hostname;
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$this->userid = $db_info->db_userid;
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$this->password = $db_info->db_password;
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$this->database = $db_info->db_database;
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$this->port = $db_info->db_port;
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$this->prefix = $db_info->db_table_prefix;
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if (!substr($this->prefix, -1) != '_') $this->prefix .= '_';
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}
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/**
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* @brief DB Connection
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**/
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function _connect()
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{
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// ignore if db information not exists
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if (!$this->hostname || !$this->userid || !$this->password || !$this->database || !$this->port) return;
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// attempts to connect
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$this->fd = @cubrid_connect ($this->hostname, $this->port, $this->database, $this->userid, $this->password);
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// check connections
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if (!$this->fd) {
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$this->setError (-1, 'database connect fail');
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return $this->is_connected = false;
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}
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$this->is_connected = true;
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$this->password = md5 ($this->password);
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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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{
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if (!$this->isConnected ()) return;
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@cubrid_commit ($this->fd);
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@cubrid_disconnect ($this->fd);
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$this->transaction_started = false;
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}
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/**
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* @brief handles quatation of the string variables from the query
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**/
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// TODO Make sure this is handled in DBParser class
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function addQuotes($string)
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{
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if (!$this->fd) return $string;
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if (version_compare (PHP_VERSION, "5.9.0", "<") &&
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get_magic_quotes_gpc ()) {
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$string = stripslashes (str_replace ("\\","\\\\", $string));
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}
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if (!is_numeric ($string)) {
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/*
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if ($this->isConnected()) {
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$string = cubrid_real_escape_string($string);
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}
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else {
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$string = str_replace("'","\'",$string);
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}
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*/
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$string = str_replace("'","''",$string);
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}
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return $string;
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}
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/**
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* @brief Begin transaction
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**/
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function begin()
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{
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if (!$this->isConnected () || $this->transaction_started) return;
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$this->transaction_started = true;
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}
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/**
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* @brief Rollback
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**/
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function rollback()
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{
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if (!$this->isConnected () || !$this->transaction_started) return;
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@cubrid_rollback ($this->fd);
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$this->transaction_started = false;
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}
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/**
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* @brief Commit
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**/
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function commit()
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{
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if (!$force && (!$this->isConnected () ||
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!$this->transaction_started)) return;
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@cubrid_commit($this->fd);
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$this->transaction_started = false;
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}
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/**
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* @brief : executing the query and fetching the result
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*
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* query: run a query and return the result\n
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* fetch: NULL if no value returned \n
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* array object if rows returned \n
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* object if a row returned \n
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* return\n
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**/
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function _query($query)
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{
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if (!$query || !$this->isConnected ()) return;
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// Notify to start a query execution
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$this->actStart ($query);
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// Execute the query
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$result = @cubrid_execute ($this->fd, $query);
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// error check
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if (cubrid_error_code ()) {
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$code = cubrid_error_code ();
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$msg = cubrid_error_msg ();
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$this->setError ($code, $msg);
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}
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// Notify to complete a query execution
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$this->actFinish ();
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// Return the result
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return $result;
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}
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/**
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* @brief Fetch the result
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**/
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function _fetch($result)
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{
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if (!$this->isConnected() || $this->isError() || !$result) return;
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$col_types = cubrid_column_types ($result);
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$col_names = cubrid_column_names ($result);
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$max = count ($col_types);
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for ($count = 0; $count < $max; $count++) {
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if (preg_match ("/^char/", $col_types[$count]) > 0) {
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$char_type_fields[] = $col_names[$count];
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}
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}
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while ($tmp = cubrid_fetch ($result, CUBRID_OBJECT)) {
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if (is_array ($char_type_fields)) {
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foreach ($char_type_fields as $val) {
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$tmp->{$val} = rtrim ($tmp->{$val});
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}
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}
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$output[] = $tmp;
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}
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unset ($char_type_fields);
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if ($result) cubrid_close_request($result);
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if (count ($output) == 1) return $output[0];
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return $output;
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}
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/**
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* @brief return the sequence value incremented by 1(auto_increment column only used in the CUBRID sequence table)
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**/
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function getNextSequence()
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{
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$this->_makeSequence();
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$query = sprintf ("select \"%ssequence\".\"nextval\" as \"seq\" from db_root", $this->prefix);
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$result = $this->_query($query);
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$output = $this->_fetch($result);
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return $output->seq;
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}
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/**
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* @brief return if the table already exists
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**/
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function _makeSequence()
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{
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if($_GLOBALS['XE_EXISTS_SEQUENCE']) return;
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// check cubrid serial
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$query = sprintf('select count(*) as "count" from "db_serial" where name=\'%ssequence\'', $this->prefix);
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$result = $this->_query($query);
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$output = $this->_fetch($result);
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// if do not create serial
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if ($output->count == 0) {
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$query = sprintf('select max("a"."srl") as "srl" from '.
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'( select max("document_srl") as "srl" from '.
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'"%sdocuments" UNION '.
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'select max("comment_srl") as "srl" from '.
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'"%scomments" UNION '.
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'select max("member_srl") as "srl" from '.
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'"%smember"'.
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') as "a"', $this->prefix, $this->prefix, $this->prefix);
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$result = $this->_query($query);
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$output = $this->_fetch($result);
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$srl = $output->srl;
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if ($srl < 1) {
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$start = 1;
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}
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else {
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$start = $srl + 1000000;
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}
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// create sequence
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$query = sprintf('create serial "%ssequence" start with %s increment by 1 minvalue 1 maxvalue 10000000000000000000000000000000000000 nocycle;', $this->prefix, $start);
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$this->_query($query);
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}
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$_GLOBALS['XE_EXISTS_SEQUENCE'] = true;
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}
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/**
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* brief return a table if exists
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**/
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function isTableExists ($target_name)
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{
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if($target_name == 'sequence') {
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$query = sprintf ("select \"name\" from \"db_serial\" where \"name\" = '%s%s'", $this->prefix, $target_name);
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}
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else {
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$query = sprintf ("select \"class_name\" from \"db_class\" where \"class_name\" = '%s%s'", $this->prefix, $target_name);
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}
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$result = $this->_query ($query);
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if (cubrid_num_rows($result) > 0) {
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$output = true;
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}
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else {
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$output = false;
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}
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if ($result) cubrid_close_request ($result);
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return $output;
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}
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/**
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* @brief add a column to the table
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**/
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function addColumn($table_name, $column_name, $type = 'number', $size = '', $default = '', $notnull = false)
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{
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$type = strtoupper($this->column_type[$type]);
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if ($type == 'INTEGER') $size = '';
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$query = sprintf ("alter class \"%s%s\" add \"%s\" ", $this->prefix, $table_name, $column_name);
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if ($type == 'char' || $type == 'varchar') {
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if ($size) $size = $size * 3;
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}
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if ($size) {
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$query .= sprintf ("%s(%s) ", $type, $size);
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}
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else {
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$query .= sprintf ("%s ", $type);
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}
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if ($default) {
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if ($type == 'INTEGER' || $type == 'BIGINT' || $type=='INT') {
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$query .= sprintf ("default %d ", $default);
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}
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else {
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$query .= sprintf ("default '%s' ", $default);
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}
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}
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if ($notnull) $query .= "not null ";
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$this->_query ($query);
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}
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/**
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* @brief drop a column from the table
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**/
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function dropColumn ($table_name, $column_name)
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{
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$query = sprintf ("alter class \"%s%s\" drop \"%s\" ", $this->prefix, $table_name, $column_name);
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$this->_query ($query);
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}
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/**
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* @brief return column information of the table
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**/
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function isColumnExists ($table_name, $column_name)
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{
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$query = sprintf ("select \"attr_name\" from \"db_attribute\" where ". "\"attr_name\" ='%s' and \"class_name\" = '%s%s'", $column_name, $this->prefix, $table_name);
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$result = $this->_query ($query);
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if (cubrid_num_rows ($result) > 0) $output = true;
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else $output = false;
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if ($result) cubrid_close_request ($result);
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return $output;
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}
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/**
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* @brief add an index to the 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, $is_unique = false)
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{
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if (!is_array ($target_columns)) {
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$target_columns = array ($target_columns);
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}
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$query = sprintf ("create %s index \"%s\" on \"%s%s\" (%s);", $is_unique?'unique':'', $this->prefix .$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 the table
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**/
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function dropIndex ($table_name, $index_name, $is_unique = false)
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{
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$query = sprintf ("drop %s index \"%s\" on \"%s%s\"", $is_unique?'unique':'', $this->prefix .$index_name, $this->prefix, $table_name);
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$this->_query($query);
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}
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/**
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* @brief return index information of the table
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**/
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function isIndexExists ($table_name, $index_name)
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{
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$query = sprintf ("select \"index_name\" from \"db_index\" where ". "\"class_name\" = '%s%s' and \"index_name\" = '%s' ", $this->prefix, $table_name, $this->prefix .$index_name);
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$result = $this->_query ($query);
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if ($this->isError ()) return false;
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$output = $this->_fetch ($result);
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if (!$output) return false;
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return true;
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}
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/**
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* @brief creates a table by using xml file
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**/
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function createTableByXml ($xml_doc)
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{
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return $this->_createTable ($xml_doc);
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}
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/**
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* @brief creates a table by using xml file
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**/
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function createTableByXmlFile ($file_name)
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{
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if (!file_exists ($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 create table by using the schema xml
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*
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* type : number, varchar, tinytext, text, bigtext, 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 ($xml_doc)
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{
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// xml parsing
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$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 = $xml_obj->table->attrs->name;
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// if the table already exists exit function
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if ($this->isTableExists($table_name)) return;
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// If the table name is sequence, it creates a serial
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if ($table_name == 'sequence') {
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$query = sprintf ('create serial "%s" start with 1 increment by 1'.
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' minvalue 1 '.
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'maxvalue 10000000000000000000000000000000000000'. ' nocycle;', $this->prefix.$table_name);
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return $this->_query($query);
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}
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$table_name = $this->prefix.$table_name;
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$query = sprintf ('create class "%s";', $table_name);
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$this->_query ($query);
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if (!is_array ($xml_obj->table->column)) {
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$columns[] = $xml_obj->table->column;
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}
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else {
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$columns = $xml_obj->table->column;
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}
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$query = sprintf ("alter class \"%s\" add attribute ", $table_name);
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foreach ($columns as $column) {
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$name = $column->attrs->name;
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$type = $column->attrs->type;
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$size = $column->attrs->size;
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$notnull = $column->attrs->notnull;
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$primary_key = $column->attrs->primary_key;
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$index = $column->attrs->index;
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$unique = $column->attrs->unique;
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$default = $column->attrs->default;
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switch ($this->column_type[$type]) {
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case 'integer' :
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$size = null;
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break;
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case 'text' :
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$size = null;
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break;
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}
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if (isset ($default) && ($type == 'varchar' || $type == 'char' ||
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$type == 'text' || $type == 'tinytext' || $type == 'bigtext')) {
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$default = sprintf ("'%s'", $default);
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}
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if ($type == 'varchar' || $type == 'char') {
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if($size) $size = $size * 3;
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}
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$column_schema[] = sprintf ('"%s" %s%s %s %s',
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$name,
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$this->column_type[$type],
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$size?'('.$size.')':'',
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isset($default)?"default ".$default:'',
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$notnull?'not null':'');
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if ($primary_key) {
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$primary_list[] = $name;
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}
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else if ($unique) {
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$unique_list[$unique][] = $name;
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}
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else if ($index) {
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$index_list[$index][] = $name;
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}
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}
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$query .= implode (',', $column_schema).';';
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$this->_query ($query);
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if (count ($primary_list)) {
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$query = sprintf ("alter class \"%s\" add attribute constraint ". "\"pkey_%s\" PRIMARY KEY(%s);", $table_name, $table_name, '"'.implode('","',$primary_list).'"');
|
|
$this->_query ($query);
|
|
}
|
|
|
|
if (count ($unique_list)) {
|
|
foreach ($unique_list as $key => $val) {
|
|
$query = sprintf ("create unique index \"%s\" on \"%s\" ". "(%s);", $this->prefix .$key, $table_name, '"'.implode('","', $val).'"');
|
|
$this->_query ($query);
|
|
}
|
|
}
|
|
|
|
if (count ($index_list)) {
|
|
foreach ($index_list as $key => $val) {
|
|
$query = sprintf ("create index \"%s\" on \"%s\" (%s);", $this->prefix .$key, $table_name, '"'.implode('","',$val).'"');
|
|
$this->_query ($query);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief handles insertAct
|
|
**/
|
|
// TODO Rewrite with Query object as input
|
|
function _executeInsertAct ($output)
|
|
{
|
|
$query = '';
|
|
|
|
$tableName = $output->tables[0]->getName();
|
|
|
|
$columnsList = '';
|
|
$valuesList = '';
|
|
foreach($output->columns as $column){
|
|
if($column->show()){
|
|
$columnsList .= $column->getColumnName() . ', ';
|
|
$valuesList .= $column->getValue() . ', ';
|
|
}
|
|
}
|
|
$columnsList = substr($columnsList, 0, -2);
|
|
$valuesList = substr($valuesList, 0, -2);
|
|
|
|
$query = "INSERT INTO $tableName \n ($columnsList) \n VALUES ($valuesList)";
|
|
|
|
$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
|
|
$result = $this->_query ($query);
|
|
if ($result && !$this->transaction_started) {
|
|
@cubrid_commit ($this->fd);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @brief handles updateAct
|
|
**/
|
|
// TODO Rewrite with Query object as input
|
|
function _executeUpdateAct ($output)
|
|
{
|
|
$query = '';
|
|
|
|
$tableName = $output->tables[0]->getName();
|
|
|
|
$columnsList = '';
|
|
foreach($output->columns as $column){
|
|
if($column->show()){
|
|
$columnsList .= $column->getExpression() . ', ';
|
|
}
|
|
}
|
|
$columnsList = substr($columnsList, 0, -2);
|
|
|
|
$where = '';
|
|
if(count($output->conditions) > 0){
|
|
$where = 'WHERE ';
|
|
foreach($output->conditions as $conditionGroup){
|
|
$where .= $conditionGroup->toString();
|
|
}
|
|
}
|
|
|
|
$query = "UPDATE $tableName SET $columnsList ".$where;
|
|
|
|
|
|
$result = $this->_query ($query);
|
|
if ($result && !$this->transaction_started) @cubrid_commit ($this->fd);
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @brief handles deleteAct
|
|
**/
|
|
// TODO Rewrite with Query object as input
|
|
function _executeDeleteAct ($output)
|
|
{
|
|
$query = '';
|
|
|
|
$select = 'DELETE ';
|
|
|
|
$from = 'FROM ';
|
|
$simple_table_count = 0;
|
|
foreach($output->tables as $table){
|
|
if($simple_table_count > 0) $from .= ', ';
|
|
$from .= $table->toString() . ' ';
|
|
if(!$table->isJoinTable()) $simple_table_count++;
|
|
}
|
|
|
|
$where = '';
|
|
if(count($output->conditions) > 0){
|
|
$where = 'WHERE ';
|
|
foreach($output->conditions as $conditionGroup){
|
|
$where .= $conditionGroup->toString();
|
|
}
|
|
}
|
|
|
|
$query = $select . ' ' . $from . ' ' . $where . ' ' . $groupBy . ' ' . $orderBy;
|
|
$result = $this->_query ($query);
|
|
if ($result && !$this->transaction_started) @cubrid_commit ($this->fd);
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
function getSelectSql($query){
|
|
$select = $query->getSelect();
|
|
if($select == '') return new Object(-1, "Invalid query");
|
|
$select = 'SELECT ' .$select;
|
|
|
|
$from = $query->getFrom();
|
|
if($from == '') return new Object(-1, "Invalid query");
|
|
$from = ' FROM '.$from;
|
|
|
|
$where = $query->getWhere();
|
|
if($where != '') $where = ' WHERE ' . $where;
|
|
|
|
$groupBy = $query->getGroupBy();
|
|
if($groupBy != '') $groupBy = ' GROUP BY ' . $groupBy;
|
|
|
|
$orderBy = $query->getOrderBy();
|
|
if($orderBy != '') $orderBy = ' ORDER BY ' . $orderBy;
|
|
|
|
$limit = $query->getLimit();
|
|
if($limit != '') $limit = ' LIMIT ' . $limit;
|
|
|
|
return $select . ' ' . $from . ' ' . $where . ' ' . $groupBy . ' ' . $orderBy . ' ' . $limit;
|
|
}
|
|
|
|
/**
|
|
* @brief Handle selectAct
|
|
*
|
|
* to get a specific page list easily in select statement,\n
|
|
* a method, navigation, is used
|
|
**/
|
|
// TODO Rewrite with Query object as input
|
|
function _executeSelectAct($queryObject){
|
|
$query = $this->getSelectSql($queryObject);
|
|
|
|
//$query = sprintf ("select %s from %s %s %s %s", $columns, implode (',',$table_list), implode (' ',$left_join), $condition, //$groupby_query.$orderby_query);
|
|
//$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
|
|
$result = $this->_query ($query);
|
|
if ($this->isError ()) {
|
|
if ($limit && $output->limit->isPageHandler()){
|
|
$buff = new Object ();
|
|
$buff->total_count = 0;
|
|
$buff->total_page = 0;
|
|
$buff->page = 1;
|
|
$buff->data = array ();
|
|
$buff->page_navigation = new PageHandler (/*$total_count*/0, /*$total_page*/1, /*$page*/1, /*$page_count*/10);//default page handler values
|
|
return $buff;
|
|
}else return;
|
|
}
|
|
|
|
if ($limit && $output->limit->isPageHandler()) {
|
|
$count_query = sprintf('select count(*) as "count" %s %s', $from, $where);
|
|
if (count($output->groups)) {
|
|
$count_query = sprintf('select count(*) as "count" from (%s) xet', $count_query);
|
|
}
|
|
|
|
//$count_query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
|
|
$result_count = $this->_query($count_query);
|
|
$count_output = $this->_fetch($result_count);
|
|
$total_count = (int)$count_output->count;
|
|
|
|
// total pages
|
|
if ($total_count) {
|
|
$total_page = (int) (($total_count - 1) / $output->limit->list_count) + 1;
|
|
} else $total_page = 1;
|
|
|
|
$virtual_no = $total_count - ($output->limit->page - 1) * $output->limit->list_count;
|
|
while ($tmp = cubrid_fetch ($result, CUBRID_OBJECT)) {
|
|
if ($tmp) {
|
|
foreach ($tmp as $k => $v) {
|
|
$tmp->{$k} = rtrim($v);
|
|
}
|
|
}
|
|
$data[$virtual_no--] = $tmp;
|
|
}
|
|
|
|
$buff = new Object ();
|
|
$buff->total_count = $total_count;
|
|
$buff->total_page = $total_page;
|
|
$buff->page = $output->limit->page;
|
|
$buff->data = $data;
|
|
$buff->page_navigation = new PageHandler ($total_count, $total_page, $output->limit->page, $output->limit->page_count);
|
|
}else{
|
|
$data = $this->_fetch ($result);
|
|
$buff = new Object ();
|
|
$buff->data = $data;
|
|
}
|
|
|
|
return $buff;
|
|
}
|
|
}
|
|
|
|
return new DBCubrid;
|
|
?>
|