Añadida la libreria datatables editor a third party

ci4/app/ThirdParty/DatatablesEditor/Database/Driver/OracleQuery.php

@@ -0,0 +1,203 @@
+<?php
+/**
+ * Oracle database driver for DataTables libraries.
+ *
+ * Note that this software uses the oci_* methods in PHP and NOT the Oracle PDO
+ * driver, which is poorly supported.
+ *
+ *  @author    SpryMedia
+ *  @copyright 2014 SpryMedia ( http://sprymedia.co.uk )
+ *  @license   http://editor.datatables.net/license DataTables Editor
+ *  @link      http://editor.datatables.net
+ */
+
+namespace DataTables\Database\Driver;
+if (!defined('DATATABLES')) exit();
+
+use PDO;
+use DataTables\Database\Query;
+use DataTables\Database\Driver\OracleResult;
+
+
+/**
+ * Oracle driver for DataTables Database Query class
+ *  @internal
+ */
+class OracleQuery extends Query {
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Private properties
+	 */
+	private $_stmt;
+
+	private $_editor_pkey_value;
+
+	protected $_identifier_limiter = array( '"', '"' );
+
+	protected $_field_quote = '"';
+
+	protected $_supportsAsAlias = false;
+
+
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Public methods
+	 */
+
+	static function connect( $user, $pass='', $host='', $port='', $db='', $dsn='' )
+	{
+		if ( is_array( $user ) ) {
+			$opts = $user;
+			$user = $opts['user'];
+			$pass = $opts['pass'];
+			$port = $opts['port'];
+			$host = $opts['host'];
+			$db   = $opts['db'];
+			$dsn  = isset( $opts['dsn'] ) ? $opts['dsn'] : '';
+		}
+
+		if ( $port !== "" ) {
+			$port = ":{$port}";
+		}
+
+		if ( ! is_callable( 'oci_connect' ) ) {
+			echo json_encode( array( 
+				"error" => "oci methods are not available in this PHP install to connect to Oracle"
+			) );
+			exit(0);
+		}
+
+		$conn = @oci_connect($user, $pass, $host.$port.'/'.$db, 'utf8');
+
+		if ( ! $conn ) {
+			// If we can't establish a DB connection then we return a DataTables
+			// error.
+			$e = oci_error();
+
+			echo json_encode( array( 
+				"error" => "An error occurred while connecting to the database ".
+					"'{$db}'. The error reported by the server was: ".$e['message']
+			) );
+			exit(0);
+		}
+
+		// Use ISO date and time styles
+		$stmt = oci_parse($conn,  "ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'" );
+		$res = oci_execute( $stmt );
+
+		$stmt = oci_parse($conn,  "ALTER SESSION SET NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS'" );
+		$res = oci_execute( $stmt );
+
+		return $conn;
+	}
+
+
+	public static function transaction ( $conn )
+	{
+		// no op
+	}
+
+	public static function commit ( $conn )
+	{
+		oci_commit( $conn );
+	}
+
+	public static function rollback ( $conn )
+	{
+		oci_rollback( $conn );
+	}
+
+
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Protected methods
+	 */
+
+	protected function _prepare( $sql )
+	{
+
+		$resource = $this->database()->resource();
+		$pkey = $this->pkey();
+
+		// If insert, add the pkey column
+		if ( $this->_type === 'insert' && $pkey ) {
+			$sql .= ' RETURNING '.$this->_protect_identifiers(is_array($pkey) ? $pkey[0] : $pkey).' INTO :editor_pkey_value';
+		}
+		else if ( $this->_type === 'select' && $this->_oracle_offset !== null ) {
+			$sql = '
+				select * from (select rownum rnum, a.*
+				from ('.$sql.') a where rownum <= '.($this->_oracle_offset+$this->_oracle_limit).')
+				where rnum > '.$this->_oracle_offset;
+		}
+
+		$this->database()->debugInfo( $sql, $this->_bindings );
+
+		$this->_stmt = oci_parse( $resource, $sql );
+
+		// If insert, add a binding for the returned id
+		if ( $this->_type === 'insert' && $pkey ) {
+			oci_bind_by_name(
+				$this->_stmt,
+				':editor_pkey_value',
+				$this->_editor_pkey_value,
+				36
+			);
+		}
+
+		// Bind values
+		for ( $i=0 ; $i<count($this->_bindings) ; $i++ ) {
+			$binding = $this->_bindings[$i];
+
+			oci_bind_by_name(
+				$this->_stmt,
+				$binding['name'],
+				$binding['value']
+			);
+		}
+	}
+
+
+	protected function _exec()
+	{
+		$res = @oci_execute( $this->_stmt, OCI_NO_AUTO_COMMIT );
+
+		if ( ! $res ) {
+			$e = oci_error( $this->_stmt );
+			throw new \Exception( "Oracle SQL error: ".$e['message'] );
+
+			return false;
+		}
+
+		$resource = $this->database()->resource();
+		return new OracleResult( $resource, $this->_stmt, $this->_editor_pkey_value );
+	}
+
+
+	protected function _build_table()
+	{
+		$out = array();
+
+		for ( $i=0, $ien=count($this->_table) ; $i<$ien ; $i++ ) {
+			$t = $this->_table[$i];
+
+			if ( strpos($t, ' as ') ) {
+				$a = explode( ' as ', $t );
+				$out[] = $this->_protect_identifiers($a[0]).' '.$this->_protect_identifiers($a[1]);
+			}
+			else {
+				$out[] = $t;
+			}
+		}
+
+		return ' '.implode(', ', $out).' ';
+	}
+
+
+	private $_oracle_offset = null;
+	private $_oracle_limit = null;
+
+	protected function _build_limit()
+	{
+		$this->_oracle_offset = $this->_offset;
+		$this->_oracle_limit = $this->_limit;
+
+		return ' ';
+	}
+}