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Обновил модуль pdo

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Фёдор Подлеснов 2016-06-30 15:10:05 +03:00
parent 0e475190a2
commit bc2541644a
1 changed files with 91 additions and 32 deletions
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119
core/database_pdo.php
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@ -1,7 +1,8 @@
<?php
/**
* Êëàññ îáîëî÷êà äëÿ PDO äëÿ çàìåíû Creole
* @package system.db
* Класс оболочка для PDO для замены Creole
*/
class Database extends PDO
{
@ -17,9 +18,12 @@ class Database extends PDO
return $this->dsn;
}
/**
* Создает соединение с базой данных
*/
static function getConnection(array $dsn)
{
if ($dsn['phptype'] == 'pgsql') {
if ($dsn['phptype'] == 'pgsql' || $dsn['phptype'] == 'mysql') {
$port = (isset($dsn['port'])) ? "port={$dsn['port']};" : "";
$connection = new Database("{$dsn['phptype']}:host={$dsn['hostspec']}; $port dbname={$dsn['database']}", $dsn['username'], $dsn['password']);
}
@ -32,11 +36,14 @@ class Database extends PDO
public function executeQuery($query)
{
$sth = $this->prepare($query);
$sth->setFetchMode(PDO::FETCH_ASSOC);
$sth->execute();
// print_r($sth->fetchAll());
return $sth;//$sth->fetchAll();
if (isset($_GET['debug'])) {
fb($query);
}
$stmt = $this->prepare($query);
$stmt->setFetchMode(PDO::FETCH_ASSOC);
$stmt->execute();
$stmt->cache = $stmt->fetchAll();
return $stmt;//$sth->fetchAll();
}
public function prepareStatement($query)
@ -44,7 +51,10 @@ class Database extends PDO
return new DatabaseStatement($query, $this);
}
// Äëÿ ñîâìåñòèìîñòè ñî ñòàðûì ïðåäñòàâëåíèåì áàç äàííûõ CIS
// Для совместимости со старым представлением баз данных CIS
/**
* Извлекает из базы все элементы по запросу
*/
public function fetchAllArray($query)
{
$sth = $this->prepare($query);
@ -53,6 +63,9 @@ class Database extends PDO
return $sth->fetchAll();
}
/**
* Извлекает из базы первый элемент по запросу
*/
public function fetchOneArray($query)
{
$sth = $this->prepare($query);
@ -61,23 +74,38 @@ class Database extends PDO
return $sth->fetch();
}
private function assignQuote($x, $y)
private static function assignQuote($x, $y)
{
return $x . "=" . $this->quote($y);
}
/**
* Создает INSERT запрос
*/
function insertQuery($table, array $values)
{
return $this->query("INSERT INTO $table (" . implode(",", array_keys($values))
. ") VALUES (" . implode(",", array_map(array($this, 'quote'), array_values($values))) . ")");
}
/**
* Создает UPDATE запрос
*/
function updateQuery($table, array $values, $cond)
{
return $this->query("UPDATE $table SET " . implode(",",
array_map(array($this, 'assignQuote'), array_keys($values), array_values($values))) . " WHERE $cond");
array_map(array('self', 'assignQuote'), array_keys($values), array_values($values))) . " WHERE $cond");
}
function getIdGenerator() {
return new IdGenerator($this);
}
/**
* Замечание: Только для Postgres SQL
* @param string $seq Имя последовательности для ключа таблицы
* @return int Идентефикатор следующей записи
*/
function getNextId($seq)
{
$result = $this->fetchOneArray("SELECT nextval('$seq')");
@ -89,6 +117,30 @@ class Database extends PDO
return null;
}
}
class IdGenerator {
private $db;
function __construct($db) {
$this->db = $db;
}
function isBeforeInsert() {
return false;
}
function isAfterInsert() {
return true;
}
function getId($seq) {
// $result = $this->db->fetchOneArray("SELECT nextval('$seq')");
// return $result['nextval'];
$result = $this->db->fetchOneArray("SELECT last_insert_rowid() AS nextval");
return $result['nextval'];
}
}
class PDODatabaseStatementIterator implements Iterator
{
@ -98,6 +150,7 @@ class PDODatabaseStatementIterator implements Iterator
private $row_count;
private $rs;
/**
* Construct the iterator.
* @param PgSQLResultSet $rs
@ -110,13 +163,12 @@ class PDODatabaseStatementIterator implements Iterator
function rewind()
{
// echo 'rewind';
$this->pos = 0;
}
function valid()
{
return ( $this->pos < $this->row_count );
return ($this->pos < $this->row_count);
}
function key()
@ -126,7 +178,10 @@ class PDODatabaseStatementIterator implements Iterator
function current()
{
return $this->result->fetch(PDO::FETCH_ASSOC);
if (!isset($this->result->cache[$this->pos])) {
$this->result->cache[$this->pos] = $this->result->fetch(PDO::FETCH_ASSOC);
}
return $this->result->cache[$this->pos];
}
function next()
@ -147,10 +202,10 @@ class PDODatabaseStatementIterator implements Iterator
class PDODatabaseStatement extends PDOStatement implements IteratorAggregate
{
protected $cursorPos = 0;
public $cache = array();
function getIterator()
{
// echo 'getiterator';
return new PDODatabaseStatementIterator($this);
}
@ -159,13 +214,11 @@ class PDODatabaseStatement extends PDOStatement implements IteratorAggregate
function rewind()
{
// echo 'rewind';
$this->cursorPos = 0;
}
public function seek($rownum)
{
// echo 'seek';
if ($rownum < 0) {
return false;
}
@ -178,38 +231,38 @@ class PDODatabaseStatement extends PDOStatement implements IteratorAggregate
function valid()
{
// echo 'valid';
return ( true );
}
public function first()
{
// echo 'first';
if($this->cursorPos !== 0) { $this->seek(0); }
return $this->next();
}
function next()
{
// echo 'next';
if ($this->getRecordCount() > $this->cursorPos) {
$this->fields = $this->fetch(PDO::FETCH_ASSOC);
if (!isset($this->cache[$this->cursorPos])) {
$this->cache[$this->cursorPos] = $this->fetch(PDO::FETCH_ASSOC);
}
$this->fields = $this->cache[$this->cursorPos];
$this->cursorPos++;
return true;
} else {
$this->fields = null;
return false;
}
// $this->cursorPos++;
return true;
}
function key() {
// echo 'key';
return $this->cursorPos;
}
function current()
{
// echo 'current';
return $this->result->fetch(PDO::FETCH_ASSOC);
}
@ -233,20 +286,25 @@ class PDODatabaseStatement extends PDOStatement implements IteratorAggregate
return $this->fields[$name];
}
function getBoolean($name)
{
return (bool)$this->fields[$name];
}
function get($name)
{
return $this->cursorPos[$name];
return $this->fields[$name];
}
function getRecordCount()
{
return $this->rowCount();
return count($this->cache);
}
}
/**
* Êëàññ îáîëî÷êà äëÿ PDOStatement äëÿ çàìåíû Creole
* Класс оболочка для PDOStatement для замены Creole
*/
class DatabaseStatement
{
@ -274,7 +332,7 @@ class DatabaseStatement
function setBlob($n, $value)
{
$this->binds [] = array($n, $value, PDO::PARAM_BLOB);
$this->binds [] = array($n, $value, PDO::PARAM_LOB);
}
function setLimit($limit)
@ -290,7 +348,7 @@ class DatabaseStatement
function executeQuery()
{
if ($this->limit) {
$this->queryString .= " LIMIT {$this->limit} OFFSET {$this->offset}";
$this->query .= " LIMIT {$this->limit} OFFSET {$this->offset}";
}
$stmt = $this->conn->prepare($this->query);
foreach ($this->binds as $bind) {
@ -299,7 +357,8 @@ class DatabaseStatement
}
$stmt->setFetchMode(PDO::FETCH_ASSOC);
$stmt->execute();
$stmt->cache = $stmt->fetchAll();
return $stmt;
}
}