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ported sequence methods from MDB2

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This commit is contained in:
zYne 2007-06-13 21:28:49 +00:00
parent 8d8b66eb1d
commit deef2137bb
1 changed files with 57 additions and 0 deletions
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57
lib/Doctrine/Export/Pgsql.php
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@ -57,6 +57,40 @@ class Doctrine_Export_Pgsql extends Doctrine_Export
$query = 'DROP DATABASE ' . $this->conn->quoteIdentifier($name);
$this->conn->exec($query);
}
/**
* getAdvancedForeignKeyOptions
* Return the FOREIGN KEY query section dealing with non-standard options
* as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
*
* @param array $definition foreign key definition
* @return string
* @access protected
*/
public function getAdvancedForeignKeyOptions(array $definition)
{
$query = '';
if (isset($definition['match'])) {
$query .= ' MATCH '.$definition['match'];
}
if (isset($definition['onUpdate'])) {
$query .= ' ON UPDATE '.$definition['on_update'];
}
if (isset($definition['onDelete'])) {
$query .= ' ON DELETE '.$definition['on_delete'];
}
if (isset($definition['deferrable'])) {
$query .= ' DEFERRABLE';
} else {
$query .= ' NOT DEFERRABLE';
}
if (isset($definition['feferred'])) {
$query .= ' INITIALLY DEFERRED';
} else {
$query .= ' INITIALLY IMMEDIATE';
}
return $query;
}
/**
* alter an existing table
*
@ -216,5 +250,28 @@ class Doctrine_Export_Pgsql extends Doctrine_Export
$this->conn->exec('ALTER TABLE ' . $name . ' RENAME TO ' . $changeName);
}
}
/**
* create sequence
*
* @param string $sequenceName name of the sequence to be created
* @param string $start start value of the sequence; default is 1
*/
public function createSequence($sequenceName, $start = 1)
{
$sequenceName = $this->conn->quoteIdentifier($this->conn->formatter->getSequenceName($sequenceName), true);
return $this->conn->exec('CREATE SEQUENCE ' . $sequenceName . ' INCREMENT 1' .
($start < 1 ? ' MINVALUE ' . $start : '') . ' START ' . $start);
}
/**
* drop existing sequence
*
* @param string $sequenceName name of the sequence to be dropped
*/
public function dropSequence($sequenceName)
{
$sequenceName = $this->conn->quoteIdentifier($this->conn->formatter->getSequenceName($sequenceName), true);
return $this->conn->exec('DROP SEQUENCE ' . $sequenceName);
}
}