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More optimizations and increased code readability in Id Generators.

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This commit is contained in:
Guilherme Blanco 2011-11-08 18:36:18 -02:00
parent d943e67c65
commit c391287cc4
2 changed files with 11 additions and 6 deletions
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9
lib/Doctrine/ORM/Id/SequenceGenerator.php
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@ -59,10 +59,12 @@ class SequenceGenerator extends AbstractIdGenerator implements Serializable
if ($this->_maxValue === null || $this->_nextValue == $this->_maxValue) {
// Allocate new values
$conn = $em->getConnection();
$sql = $conn->getDatabasePlatform()->getSequenceNextValSQL($this->_sequenceName);
$sql = $conn->getDatabasePlatform()->getSequenceNextValSQL($this->_sequenceName);
$this->_nextValue = $conn->fetchColumn($sql);
$this->_maxValue = $this->_nextValue + $this->_allocationSize;
$this->_maxValue = $this->_nextValue + $this->_allocationSize;
}
return $this->_nextValue++;
}
@ -90,13 +92,14 @@ class SequenceGenerator extends AbstractIdGenerator implements Serializable
{
return serialize(array(
'allocationSize' => $this->_allocationSize,
'sequenceName' => $this->_sequenceName
'sequenceName' => $this->_sequenceName
));
}
public function unserialize($serialized)
{
$array = unserialize($serialized);
$this->_sequenceName = $array['sequenceName'];
$this->_allocationSize = $array['allocationSize'];
}

8
lib/Doctrine/ORM/Id/TableGenerator.php
View File

@ -50,11 +50,12 @@ class TableGenerator extends AbstractIdGenerator
if ($this->_maxValue === null || $this->_nextValue == $this->_maxValue) {
// Allocate new values
$conn = $em->getConnection();
if ($conn->getTransactionNestingLevel() == 0) {
if ($conn->getTransactionNestingLevel() === 0) {
// use select for update
$sql = $conn->getDatabasePlatform()->getTableHiLoCurrentValSql($this->_tableName, $this->_sequenceName);
$sql = $conn->getDatabasePlatform()->getTableHiLoCurrentValSql($this->_tableName, $this->_sequenceName);
$currentLevel = $conn->fetchColumn($sql);
if ($currentLevel != null) {
$this->_nextValue = $currentLevel;
$this->_maxValue = $this->_nextValue + $this->_allocationSize;
@ -74,6 +75,7 @@ class TableGenerator extends AbstractIdGenerator
// or do we want to work with table locks exclusively?
}
}
return $this->_nextValue++;
}
}