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rebuild Model package for NoSQL drivers

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This commit is contained in:
Anton Grebnev
2011-11-11 18:01:17 +04:00
parent 6aab56c814
commit 3c5a5d9603
14 changed files with 589 additions and 334 deletions
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177
model/DbDriver.php
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@ -12,8 +12,6 @@
abstract class DbDriver
{
protected $identifier_quote = '`';
/**
* Database connection
*
@ -44,173 +42,20 @@ abstract class DbDriver
}
}
}
public function getConnection()
{
$this->connect();
return $this->connection;
}
public function beginTransaction()
{
$this->connect();
$this->driverBeginTransaction();
return $this;
}
public function commit()
{
$this->connect();
$this->driverCommitTransaction();
return $this;
}
public function rollback()
{
$this->connect();
$this->driverRollbackTransaction();
return $this;
}
/**
* @param string $sql
* @param mixed $params
* @return DbStatement
*/
public function query($sql, $params = array())
{
$this->connect();
if (!is_array($params)) {
$params = array($params);
}
$stmt = $this->prepare($sql);
$stmt->execute($params);
return $stmt;
}
/**
* @param string $table
* @param mixed $bind
* @param mixed $on_duplicate
* @return int Affected rows count
*/
public function insert($table, $bind, $on_duplicate = array())
{
$columns = array();
foreach ($bind as $col => $val) {
$columns[] = $this->quoteIdentifier($col);
}
$values = array_values($bind);
$sql = 'INSERT INTO ' . $this->quoteIdentifier($table)
. ' (' . implode(', ', $columns) . ') VALUES (' . $this->quote($values) . ')';
return $this->query($sql)->affectedRows();
}
/**
* @param string $table
* @param array $bind
* @param mixed $where
* @return int
*/
public function update($table, $bind, $where = '')
{
$set = array();
foreach ($bind as $col => $val) {
$set[] = $this->quoteIdentifier($col) . '=' . $this->quote($val);
}
$where = $this->whereExpr($where);
$sql = 'UPDATE ' . $this->quoteIdentifier($table) . ' SET ' . implode(', ', $set)
. (($where) ? (' WHERE ' . $where) : '');
return $this->query($sql)->affectedRows();
}
/**
* @param string $table
* @param mixed $where
* @return int
*/
public function delete($table, $where = '')
{
$where = $this->whereExpr($where);
$sql = 'DELETE FROM ' . $this->quoteIdentifier($table) . (($where) ? (' WHERE ' . $where) : '');
return $this->query($sql)->affectedRows();
}
/**
* @param mixed $value
* @return string
*/
public function quote($value)
{
if ($value instanceof DbExpr) {
return (string) $value;
}
if (is_array($value)) {
foreach ($value as &$val) {
$val = $this->quote($val);
}
return implode(', ', $value);
}
return $this->driverQuote($value);
}
/**
* @param string $ident
* @return string
*/
public function quoteIdentifier($ident)
{
$ident = explode('.', $ident);
if (!is_array($ident)) {
$ident = array($ident);
}
foreach ($ident as &$segment) {
$segment = $this->identifier_quote . $segment . $this->identifier_quote;
}
return implode('.', $ident);
}
public function quoteInto($text, $value)
{
$pos = mb_strpos($text, '?');
if ($pos === false) {
return $text;
}
return mb_substr($text, 0, $pos) . $this->quote($value) . mb_substr($text, $pos + 1);
}
/**
* @param mixed $where
* @return string
*/
protected function whereExpr($where)
{
if (empty($where)) {
return $where;
}
if (!is_array($where)) {
$where = array($where);
}
foreach ($where as $cond => &$term) {
if (is_int($cond)) {
if ($term instanceof DbExpr) {
$term = (string) $term;
}
} else {
$term = $this->quoteInto($cond, $term);
}
}
return implode(' AND ', $where);
}
/* Abstract methods */
abstract public function insert($table, $data);
abstract public function update($table, $data, $condition);
/**
* @return DbStatement
*/
abstract public function prepare($sql);
abstract public function delete($table, $condition);
abstract public function getInsertId($table = null, $key = null);
@ -219,12 +64,4 @@ abstract class DbDriver
abstract public function disconnect();
abstract protected function connect();
abstract protected function driverQuote($value);
abstract protected function driverBeginTransaction();
abstract protected function driverCommitTransaction();
abstract protected function driverRollbackTransaction();
}