Created abstract base database manip class

src/common/db_pdo.php

@@ -24,6 +24,9 @@ abstract class DB_PDO extends PDO {
 	function __construct($dsn, $username=NULL, $password=NULL, $driver_options=array())
 	{
 		parent::__construct($dsn, $username, $password, $driver_options);
+
+		$class = __CLASS__.'_manip';
+		$this->manip = new $class;
 	}
 	
 	// -------------------------------------------------------------------------
@@ -135,4 +138,24 @@ abstract class DB_PDO extends PDO {
 	 */
 	abstract function num_rows();
 }
+
+// -------------------------------------------------------------------------
+
+/**
+ * Abstract parent for database manipulation subclasses
+ */
+abstract class db_manip {
+	
+	/**
+	 * Get database-specific sql to create a new table
+	 * 
+	 * @param string $name 
+	 * @param array $columns 
+	 * @param array $constraints 
+	 * @param array $indexes 
+	 * 
+	 * @return string
+	 */
+	abstract function create_table($name, $columns, $constraints, $indexes);
+}
 // End of db_pdo.php

src/databases/firebird.php

@@ -156,7 +156,21 @@ class firebird {
 	 */
 	function num_rows()
 	{
-		// TODO: Implement
+		$count = 0;
+
+		if(isset($this->statement))
+		{
+			while($row = $this->fetch())
+			{
+				$count++;
+			}
+		}
+		else
+		{
+			return FALSE;
+		}
+
+		return $count;
 	}	 
 }
 // End of firebird.php

src/databases/firebird_manip.php

@@ -17,12 +17,7 @@
  * 
  * PDO-firebird isn't stable, so this is a wrapper of the ibase_ functions.
  */
-class firebird_manip extends firebird {
-	
-	function __construct($db, $user="sysdba", $pass="masterkey")
-	{
-		parent::__construct($db, $user, $pass);
-	}
+class firebird_manip extends db_manip{
 
 	function create_table($name, $fields, $constraints=array())
 	{

src/databases/mysql_manip.php

@@ -15,11 +15,11 @@
  /**
   * MySQL Database manipulation class 
   */
- class MySQL_manip extends MySQL {
+ class MySQL_manip extends db_manip{
 
-	function __construct($dsn, $user=null, $pass=null, $opt=array())
+	function create_table($name, $columns, $constraints, $indexes)
 	{
-		parent::__construct($dsn, $user, $pass, $opt);
+		//TODO: implement
 	}	
 }
-//End of mysqlL_manip.php
+//End of mysql_manip.php

src/databases/odbc_manip.php

@@ -17,11 +17,12 @@
   *
   * @extends ODBC
   */
-class ODBC_manip extends ODBC {
+class ODBC_manip extends db_manip {
 
-	function __construct($dsn, $username=null, $password=null, $options=array())
+	function create_table()
 	{
-		parent::__construct("odbc:$dsn", $username, $password, $options);
+		//ODBC can't know how to create a table
+		return FALSE;
 	}
 }
 // End of odbc_manip.php

src/databases/pgsql_manip.php

@@ -17,11 +17,11 @@
  *
  * @extends PgSQL
  */
-class pgSQL_manip extends pgSQL {
+class pgSQL_manip extends db_manip {
 	
-	function __construct($dsn, $username=null, $password=null, $options=array())
+	function create_table($name, $columns, $constraints, $indexes)
 	{
-		parent::__construct($dsn, $username, $password, $options);
+		//TODO: implement
 	}
 
 }

src/databases/sqlite_manip.php

@@ -15,12 +15,7 @@
 /**
  * SQLite Database manipulation class
  */
-class SQLite_manip extends SQLite {
-	
-	function __construct($dsn)
-	{
-		parent::__construct($dsn);
-	}
+class SQLite_manip extends db_manip {
 
 	/**
 	 * Convenience function to create a new table