Библиотека для cis, online, cms1

core/drivers/database.pgsql.php

@@ -0,0 +1,74 @@
+<?php
+
+require_once 'core/drivers/db.php';
+
+/**
+ * Ïðîñòîé êëàññ äëÿ ðàáîòû ñ áàçàìè äàííûõ
+ */
+class Database_PGSQL extends DB implements IDatabase
+{
+    public function connect(array $dsn)
+    {
+        if (isset($dsn['port'])) {
+            $port = "port={$dsn['port']}";
+        } else {
+            $port = "port=5432";
+        }
+        $str = "host={$dsn['hostspec']} $port dbname={$dsn['database']} user={$dsn['username']} password={$dsn['password']}";
+        $db  = @pg_connect($str)
+                or die("Unable connect to database!");
+
+        return ($this->db = $db);
+    }
+    
+    public function close()
+    {
+        return pg_close($this->db);
+    }
+    
+    public function query($query)
+    {
+        $res = pg_query($this->db, $query) 
+            or die("Error: wrong SQL query #$query#");
+        return $res;
+    }
+    
+    public function fetchAllArray($query, $type = PGSQL_ASSOC)
+    {
+        $res = $this->query($query);
+
+        $rows = array();
+        while ($row = pg_fetch_array($res, NULL, $type)) {
+            $rows[] = $this->clean($row);
+        }
+        pg_free_result($res);
+        return ($rows) ? $rows : array();
+    }
+
+    public function affectedRows() 
+    {
+        return pg_affected_rows($this->db);
+    }
+
+    private function clean($row)
+    {
+        foreach ($row as $key => $value) {
+            $row[$key] = trim($value);
+        }
+        return $row;
+    }
+    
+    public function fetchOneArray($query, $type = PGSQL_ASSOC)
+    {
+        $res = $this->query($query);
+        $row = pg_fetch_array($res, NULL, $type);
+        pg_free_result($res);
+        return ($row) ? $this->clean($row) : array();
+    }
+
+    function getNextId($seq)
+    {
+        $result = $this->fetchOneArray("SELECT nextval('$seq')");
+        return $result['nextval'];
+    }
+}