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Updated DB classes to support multiple database connection strings - for when replication is used.

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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@8808 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ucorina 2011-08-18 17:55:29 +00:00
parent ee1a615008
commit bb95345fb2
12 changed files with 576 additions and 680 deletions
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104
classes/db/DBCubrid.class.php
View file

@ -16,12 +16,7 @@
/**
* @brief CUBRID DB connection information
**/
var $hostname = '127.0.0.1'; ///< hostname
var $userid = NULL; ///< user id
var $password = NULL; ///< password
var $database = NULL; ///< database
var $port = 33000; ///< db server port
var $prefix = 'xe'; // / <prefix of XE tables(One more XE can be installed on a single DB)
var $prefix = 'xe_'; // / <prefix of XE tables(One more XE can be installed on a single DB)
var $cutlen = 12000; // /< max size of constant in CUBRID(if string is larger than this, '...'+'...' should be used)
var $comment_syntax = '/* %s */';
@ -69,52 +64,29 @@
return true;
}
/**
* @brief DB settings and connect/close
**/
function _setDBInfo()
{
$db_info = Context::getDBInfo();
$this->hostname = $db_info->db_hostname;
$this->userid = $db_info->db_userid;
$this->password = $db_info->db_password;
$this->database = $db_info->db_database;
$this->port = $db_info->db_port;
$this->prefix = $db_info->db_table_prefix;
if (!substr($this->prefix, -1) != '_') $this->prefix .= '_';
}
/**
* @brief DB Connection
**/
function _connect()
function __connect($connection)
{
// ignore if db information not exists
if (!$this->hostname || !$this->userid || !$this->password || !$this->database || !$this->port) return;
// attempts to connect
$this->fd = @cubrid_connect ($this->hostname, $this->port, $this->database, $this->userid, $this->password);
// attempts to connect
$result = @cubrid_connect($connection["db_hostname"], $connection["db_port"], $connection["db_database"], $connection["db_userid"], $connection["db_password"]);
// check connections
if (!$this->fd) {
if (!$result) {
$this->setError (-1, 'database connect fail');
return $this->is_connected = false;
return;
}
$this->is_connected = true;
$this->password = md5 ($this->password);
return $result;
}
/**
* @brief DB disconnect
**/
function close()
function _close($connection)
{
if (!$this->isConnected ()) return;
@cubrid_commit ($this->fd);
@cubrid_disconnect ($this->fd);
@cubrid_commit ($connection);
@cubrid_disconnect ($connection);
$this->transaction_started = false;
}
@ -123,8 +95,6 @@
**/
function addQuotes($string)
{
if (!$this->fd) return $string;
if (version_compare (PHP_VERSION, "5.9.0", "<") &&
get_magic_quotes_gpc ()) {
$string = stripslashes (str_replace ("\\","\\\\", $string));
@ -149,32 +119,29 @@
/**
* @brief Begin transaction
**/
function begin()
function _begin()
{
if (!$this->isConnected () || $this->transaction_started) return;
$this->transaction_started = true;
return true;
}
/**
* @brief Rollback
**/
function rollback()
function _rollback()
{
if (!$this->isConnected () || !$this->transaction_started) return;
@cubrid_rollback ($this->fd);
$this->transaction_started = false;
$connection = $this->_getConnection('master');
@cubrid_rollback ($connection);
return true;
}
/**
* @brief Commit
**/
function commit()
function _commit()
{
if (!$force && (!$this->isConnected () ||
!$this->transaction_started)) return;
@cubrid_commit($this->fd);
$this->transaction_started = false;
$connection = $this->_getConnection('master');
@cubrid_commit($connection);
return true;
}
/**
@ -186,15 +153,10 @@
* object if a row returned \n
* return\n
**/
function _query($query)
function __query($query, $connection)
{
if (!$query || !$this->isConnected ()) return;
// Notify to start a query execution
$this->actStart ($query);
// Execute the query
$result = @cubrid_execute ($this->fd, $query);
$result = @cubrid_execute ($connection, $query);
// error check
if (cubrid_error_code ()) {
$code = cubrid_error_code ();
@ -202,10 +164,6 @@
$this->setError ($code, $msg);
}
// Notify to complete a query execution
$this->actFinish ();
// Return the result
return $result;
}
@ -583,7 +541,7 @@
$result = $this->_query ($query);
if ($result && !$this->transaction_started) {
@cubrid_commit ($this->fd);
$this->_commit();
}
return $result;
@ -599,7 +557,7 @@
$result = $this->_query($query);
if ($result && !$this->transaction_started) @cubrid_commit ($this->fd);
if ($result && !$this->transaction_started) $this->_commit();
return $result;
}
@ -615,7 +573,7 @@
$result = $this->_query ($query);
if ($result && !$this->transaction_started) @cubrid_commit ($this->fd);
if ($result && !$this->transaction_started) $this->_commit();
return $result;
}
@ -626,17 +584,17 @@
* to get a specific page list easily in select statement,\n
* a method, navigation, is used
**/
function _executeSelectAct($queryObject){
function _executeSelectAct($queryObject, $connection = null){
$query = $this->getSelectSql($queryObject);
if(is_a($query, 'Object')) return;
$query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
$result = $this->_query ($query);
$result = $this->_query ($query, $connection);
if ($this->isError ())
return $this->queryError($queryObject);
else
return $this->queryPageLimit($queryObject, $result);
return $this->queryPageLimit($queryObject, $result, $connection);
}
function queryError($queryObject){
@ -652,7 +610,7 @@
return;
}
function queryPageLimit($queryObject, $result){
function queryPageLimit($queryObject, $result, $connection){
if ($queryObject->getLimit() && $queryObject->getLimit()->isPageHandler()) {
// Total count
@ -662,7 +620,7 @@
}
$count_query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
$result = $this->_query($count_query);
$result = $this->_query($count_query, $connection);
$count_output = $this->_fetch($result);
$total_count = (int)$count_output->count;
@ -687,7 +645,7 @@
$query = $this->getSelectPageSql($queryObject, true, $start_count, $list_count);
$query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
$result = $this->_query ($query);
$result = $this->_query ($query, $connection);
if ($this->isError ())
return $this->queryError($queryObject);