Shikiryu/XMLDB
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Adding some constraints about PK

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This commit is contained in:
Chouchen
2010-10-08 16:18:41 +00:00
parent 0e49600951
commit 0b54511565
3 changed files with 27 additions and 10 deletions
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25
XMLDB.php
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@@ -70,6 +70,13 @@ class XMLDB{
return false;
}
public function pkAlreadyExists($pk, $table = '*'){
if($this->selectFromPK($table, $pk , 'count') > 0){
return true;
}
return false;
}
public function selectTable($name, $format = 'node'){
return $this->select($name, null, null, null, $format);
@@ -165,8 +172,8 @@ class XMLDB{
if (!$from) {
throw new Exception('uhoh, no table selected');
}
if($id != null && count($id) == 1){
$attribute .= '[@' . $this->_primaryKey . ' = "' . $id . '"]';
if($id != null){
$attribute = '[@' . $this->_primaryKey . ' = "' . $id . '"]';
}
if($attributes != null){
foreach($attributes as $attributeName=>$attributeValue)
@@ -233,7 +240,7 @@ class XMLDB{
// TODO other $where and $position
public function insertNode($node, $table = null, $position = null){
if(!is_array($node) || !isset($node['name']))
if(!is_array($node) || !isset($node['name']) || !isset($node['attributes']))
return false;
// Creating the node from an array
@@ -252,17 +259,17 @@ class XMLDB{
// Inserting the node into the DB
// case : creation of a new table
if($table == null){
if($table == null && !$this->tableAlreadyExists($node['name'])){
$this->_doc->firstChild->appendChild($element);
}else{
}else if($table != null){
// case : insertion into the end of table
//TODO checking if PK already exists
$request = $this->_xpath->query('//table[@name = "'.$table.'"]');
if($request->length != 1){
if(!$this->tableAlreadyExists($table) || $this->pkAlreadyExists($node['attributes'][$this->_primaryKey], $table)){
return false;
}
$request = $this->_xpath->query('//table[@name = "'.$table.'"]');
$request->item(0)->appendChild($element);
}
}else
return false;
return $this->save();
}