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Issue 1778: DB Classes: Add prepared statements support - Added CUBRID first version

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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10490 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ucorina 2012-03-28 14:51:30 +00:00
parent 12d4e13480
commit 4065581cb3
1 changed files with 110 additions and 34 deletions
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144
classes/db/DBCubrid.class.php
View file

@ -164,6 +164,53 @@
**/
function __query($query, $connection)
{
if($this->use_prepared_statements == 'Y')
{
$req = @cubrid_prepare($connection, $query);
$position = 0;
if($this->param)
{
foreach($this->param as $param)
{
$value = $param->getUnescapedValue();
$type = $param->getType();
switch($type)
{
case 'number' :
$bind_type = 'numeric';
break;
case 'varchar' :
$bind_type = 'string';
break;
default:
$bind_type = 'string';
}
if(is_array($value)){
foreach($value as $v)
{
cubrid_bind($req, ++$position, $v, $bind_type);
}
}
else
{
cubrid_bind($req, ++$position, $value, $bind_type);
}
}
}
$result = @cubrid_execute($req);
if(!$result)
{
$code = cubrid_error_code ();
$msg = cubrid_error_msg ();
$this->setError ($code, $msg);
}
return $req;
}
// Execute the query
$result = @cubrid_execute ($connection, $query);
// error check
@ -185,6 +232,11 @@
$output = array();
if (!$this->isConnected() || $this->isError() || !$result) return array();
if($this->use_prepared_statements == 'Y')
{
}
// TODO Improve this piece of code
// This code trims values from char type columns
$col_types = cubrid_column_types ($result);
@ -542,9 +594,14 @@
/**
* @brief handles insertAct
**/
function _executeInsertAct($queryObject)
function _executeInsertAct($queryObject, $with_values = true)
{
$query = $this->getInsertSql($queryObject);
if($this->use_prepared_statements == 'Y')
{
$this->param = $queryObject->getArguments();
$with_values = false;
}
$query = $this->getInsertSql($queryObject, $with_values);
if(is_a($query, 'Object')) return;
$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
@ -553,22 +610,27 @@
if ($result && !$this->transaction_started) {
$this->_commit();
}
unset($this->param);
return $result;
}
/**
* @brief handles updateAct
**/
function _executeUpdateAct($queryObject)
function _executeUpdateAct($queryObject, $with_values = true)
{
$query = $this->getUpdateSql($queryObject);
if($this->use_prepared_statements == 'Y')
{
$this->param = $queryObject->getArguments();
$with_values = false;
}
$query = $this->getUpdateSql($queryObject, $with_values);
if(is_a($query, 'Object')) return;
$result = $this->_query($query);
if ($result && !$this->transaction_started) $this->_commit();
unset($this->param);
return $result;
}
@ -576,15 +638,21 @@
/**
* @brief handles deleteAct
**/
function _executeDeleteAct($queryObject)
function _executeDeleteAct($queryObject, $with_values = true)
{
$query = $this->getDeleteSql($queryObject);
if($this->use_prepared_statements == 'Y')
{
$this->param = $queryObject->getArguments();
$with_values = false;
}
$query = $this->getDeleteSql($queryObject, $with_values);
if(is_a($query, 'Object')) return;
$result = $this->_query ($query);
if ($result && !$this->transaction_started) $this->_commit();
unset($this->param);
return $result;
}
@ -594,25 +662,32 @@
* to get a specific page list easily in select statement,\n
* a method, navigation, is used
**/
function _executeSelectAct($queryObject, $connection = null){
$limit = $queryObject->getLimit();
if ($limit && $limit->isPageHandler())
return $this->queryPageLimit($queryObject, $result, $connection);
else {
$query = $this->getSelectSql($queryObject);
if(is_a($query, 'Object')) return;
function _executeSelectAct($queryObject, $connection = null, $with_values = true) {
if ($this->use_prepared_statements == 'Y') {
$this->param = $queryObject->getArguments();
$with_values = false;
}
$limit = $queryObject->getLimit();
if ($limit && $limit->isPageHandler())
return $this->queryPageLimit($queryObject, $connection, $with_values);
else {
$query = $this->getSelectSql($queryObject, $with_values);
if (is_a($query, 'Object'))
return;
$query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
$result = $this->_query ($query, $connection);
$query .= (__DEBUG_QUERY__ & 1 && $queryObject->query_id) ? sprintf(' ' . $this->comment_syntax, $this->query_id) : '';
$result = $this->_query($query, $connection);
if ($this->isError ())
return $this->queryError($queryObject);
if ($this->isError())
return $this->queryError($queryObject);
$data = $this->_fetch($result);
$buff = new Object ();
$buff->data = $data;
return $buff;
}
$data = $this->_fetch($result);
$buff = new Object ();
$buff->data = $data;
unset($this->param);
return $buff;
}
}
function queryError($queryObject){
@ -629,11 +704,11 @@
return;
}
function queryPageLimit($queryObject, $result, $connection){
$limit = $queryObject->getLimit();
function queryPageLimit($queryObject, $connection, $with_values){
$limit = $queryObject->getLimit();
// Total count
$temp_where = $queryObject->getWhereString(true, false);
$count_query = sprintf('select count(*) as "count" %s %s', 'FROM ' . $queryObject->getFromString(), ($temp_where === '' ? '' : ' WHERE '. $temp_where));
$temp_where = $queryObject->getWhereString($with_values, false);
$count_query = sprintf('select count(*) as "count" %s %s', 'FROM ' . $queryObject->getFromString($with_values), ($temp_where === '' ? '' : ' WHERE '. $temp_where));
if ($queryObject->getGroupByString() != '') {
$count_query = sprintf('select count(*) as "count" from (%s) xet', $count_query);
}
@ -672,11 +747,11 @@
}
$start_count = ($page - 1) * $list_count;
$query = $this->getSelectPageSql($queryObject, true, $start_count, $list_count);
$query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
$query = $this->getSelectPageSql($queryObject, $with_values, $start_count, $list_count);
$query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
$result = $this->_query ($query, $connection);
if ($this->isError ())
return $this->queryError($queryObject);
if ($this->isError ())
return $this->queryError($queryObject);
$virtual_no = $total_count - ($page - 1) * $list_count;
$data = $this->_fetch($result, $virtual_no);
@ -687,11 +762,12 @@
$buff->page = $page;
$buff->data = $data;
$buff->page_navigation = new PageHandler($total_count, $total_page, $page, $page_count);
unset($this->param);
return $buff;
}
function getParser(){
return new DBParser('"', '"', $this->prefix);
return new DBParser('"', '"', $this->prefix);
}
function getSelectPageSql($query, $with_values = true, $start_count = 0, $list_count = 0) {