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zYne 2007-01-05 23:35:46 +00:00
parent 5ce795be85
commit ebfc0788e4
2 changed files with 77 additions and 2 deletions
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2
lib/Doctrine/Sequence.php
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@ -51,8 +51,6 @@ class Doctrine_Sequence extends Doctrine_Connection_Module
*
* @param string name of the table into which a new row was inserted
* @param string name of the field into which a new row was inserted
*
* @return mixed MDB2 Error Object or id
*/
public function lastInsertID($table = null, $field = null)
{

77
lib/Doctrine/Sequence/Mysql.php
View File

@ -32,5 +32,82 @@ Doctrine::autoload('Doctrine_Sequence');
*/
class Doctrine_Sequence_Mysql extends Doctrine_Sequence
{
/**
* Returns the next free id of a sequence
*
* @param string $seqName name of the sequence
* @param bool when true missing sequences are automatic created
*
* @return integer next id in the given sequence
*/
public function nextID($seq_name, $ondemand = true)
{
$sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
$seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
$query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (NULL)";
$this->expectError(MDB2_ERROR_NOSUCHTABLE);
$result =& $this->_doQuery($query, true);
$this->popExpect();
if (PEAR::isError($result)) {
if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
$this->loadModule('Manager', null, true);
// Since we are creating the sequence on demand
// we know the first id = 1 so initialize the
// sequence at 2
$result = $this->manager->createSequence($seq_name, 2);
if (PEAR::isError($result)) {
return $this->raiseError($result, null, null,
'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);
} else {
// First ID of a newly created sequence is 1
return 1;
}
}
return $result;
}
$value = $this->lastInsertID();
if (is_numeric($value)) {
$query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";
$result =& $this->_doQuery($query, true);
if (PEAR::isError($result)) {
$this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
}
}
return $value;
}
/**
* Returns the autoincrement ID if supported or $id or fetches the current
* ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
*
* @param string name of the table into which a new row was inserted
* @param string name of the field into which a new row was inserted
*/
public function lastInsertID($table = null, $field = null)
{
$connection = $this->getConnection();
if (PEAR::isError($connection)) {
return $connection;
}
$value = @mysqli_insert_id($connection);
if (!$value) {
return $this->raiseError(null, null, null,
'Could not get last insert ID', __FUNCTION__);
}
return $value;
}
/**
* Returns the current id of a sequence
*
* @param string $seqName name of the sequence
*
* @return integer current id in the given sequence
*/
public function currID($seqName)
{
$sequenceName = $this->conn->quoteIdentifier($this->getSequenceName($seqName), true);
$seqcolName = $this->conn->quoteIdentifier($this->conn->getAttribute(Doctrine::ATTR_SEQCOL_NAME), true);
$query = 'SELECT MAX(' . $seqcolName . ') FROM ' . $sequenceName;
return $this->queryOne($query, 'integer');
}
}