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Updated pgsql connection driver

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This commit is contained in:
zYne 2006-11-01 10:31:49 +00:00
parent 1df7817b37
commit 87f9122f7d
1 changed files with 59 additions and 3 deletions
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62
lib/Doctrine/Connection/Pgsql.php
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@ -59,19 +59,75 @@ class Doctrine_Connection_Pgsql extends Doctrine_Connection_Common {
'identifier_quoting' => true,
'pattern_escaping' => true,
);
$this->options['multi_query'] = false;
parent::__construct($manager, $pdo);
}
/**
* Set the charset on the current connection
*
* @param string charset
*
* @return void
*/
public function setCharset($charset) {
$query = 'SET NAMES '.$this->dbh->quote($charset);
$this->dbh->query($query);
}
/**
* returns the next value in the given sequence
* @param string $sequence
* @return integer
*/
public function getNextID($sequence) {
$stmt = $this->query("SELECT NEXTVAL('$sequence')");
public function nextId($sequence) {
$stmt = $this->dbh->query("SELECT NEXTVAL('$sequence')");
$data = $stmt->fetch(PDO::FETCH_NUM);
return $data[0];
}
/**
* Returns the current id of a sequence
*
* @param string $seq_name name of the sequence
* @return mixed MDB2 Error Object or id
* @access public
*/
function currId($sequence) {
$stmt = $this->dbh->query('SELECT last_value FROM '.$sequence);
$data = $stmt->fetch(PDO::FETCH_NUM);
return $data[0];
}
/**
* Changes a query string for various DBMS specific reasons
*
* @param string $query query to modify
* @param integer $limit limit the number of rows
* @param integer $offset start reading from given offset
* @param boolean $isManip if the query is a DML query
* @return string modified query
*/
public function modifyLimitQuery($query, $limit, $offset, $isManip = false) {
if ($limit > 0) {
$query = rtrim($query);
if (substr($query, -1) == ';') {
$query = substr($query, 0, -1);
}
if ($isManip) {
$manip = preg_replace('/^(DELETE FROM|UPDATE).*$/', '\\1', $query);
$from = $match[2];
$where = $match[3];
$query = $manip . ' ' . $from . ' WHERE ctid=(SELECT ctid FROM '
. $from . ' ' . $where . ' LIMIT ' . $limit . ')';
} else {
$query .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
}
}
return $query;
}
/**
* Set the transacton isolation level.
*
@ -82,7 +138,7 @@ class Doctrine_Connection_Pgsql extends Doctrine_Connection_Common {
* SERIALIZABLE (prevents phantom reads)
* @return void
*/
function setTransactionIsolation($isolation) {
public function setTransactionIsolation($isolation) {
switch ($isolation) {
case 'READ UNCOMMITTED':
case 'READ COMMITTED':