Añadida la libreria datatables editor a third party

ci4/app/ThirdParty/DatatablesEditor/Database/Driver/Db2Query.php

@@ -0,0 +1,161 @@
+<?php
+/**
+ * DB2 database driver for DataTables libraries.
+ * BETA! Feedback welcome
+ */
+
+namespace DataTables\Database\Driver;
+if (!defined('DATATABLES')) exit();
+
+use DataTables\Database\Query;
+use DataTables\Database\Driver\Db2Result;
+
+/**
+ * DB2 driver for DataTables Database Query class
+ *  @internal
+ */
+class Db2Query extends Query {
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Private properties
+	 */
+	private $_stmt;
+
+	private $_editor_pkey_value;
+
+	private $_sql;
+
+	protected $_identifier_limiter = null;
+
+	protected $_field_quote = '"';
+
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * 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'] : '';
+		}
+
+		// $connStr = 'DATABASE='.$db.';HOSTNAME='.$host;
+		// if ( $port ) {
+		// 	$connStr .= ';PORT='.$port;
+		// }
+		// $connStr .= ';UID='.$user.';PWD='.$pass.';AUTHENTICATION=server';
+		$connStr = $db;
+
+		$conn = db2_connect($connStr, $user, $pass);
+
+		if ( ! $conn ) {
+			// If we can't establish a DB connection then we returna DataTables
+			// error.
+			$e = 'Connection failed: '.db2_conn_error().' : '.db2_conn_errormsg();
+
+			echo json_encode( array(
+				"error" => "An error occurred while connecting to the database ".
+					"'{$db}'. The error reported by the server was: ".$e
+			) );
+			exit(0);
+		}
+
+		return $conn;
+	}
+
+	public static function transaction ( $conn )
+	{
+	    // no op
+	}
+
+	public static function commit ( $conn )
+	{
+	   // no op
+	}
+
+	public static function rollback ( $conn )
+	{
+	   // no op
+	}
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Protected methods
+ */
+
+ protected function _prepare($sql)
+    {
+		$this->_sql = $sql;
+    }
+
+    protected function _exec()
+    {
+        $resource = $this->database()->resource();
+		$bindings = $this->_bindings;
+
+		$paramSql = preg_replace('/(:[a-zA-Z\-_0-9]*)/', '?', $this->_sql);
+		//echo $paramSql."\n";
+		$this->_stmt = db2_prepare($resource, $paramSql);
+		$stmt = $this->_stmt;
+
+		//echo $this->_sql."\n";
+		
+		preg_match_all('/(:[a-zA-Z\-_0-9]*)/', $this->_sql, $matches);
+		
+		//print_r( $matches );
+		//print_r( $bindings);
+
+		//$allanTest = 65;
+		//db2_bind_param( $stmt, 1, 'allanTest', DB2_PARAM_IN );
+
+		for ( $i=0, $ien=count($matches[0]) ; $i<$ien ; $i++ ) {
+			for ( $j=0, $jen=count($bindings) ; $j<$jen ; $j++ ) {
+				if ( $bindings[$j]['name'] === $matches[0][$i] ) {
+					$name = str_replace(':', '', $matches[0][$i]);
+					$$name = $bindings[$j]['value'];
+					//$_GLOBALS[ $name ] = $bindings[$j]['value'];
+
+					//echo "bind $name as ".$$name."\n";
+
+					db2_bind_param( $stmt, $i+1, $name, DB2_PARAM_IN );
+				}
+			}
+		}
+
+		//print_r( get_defined_vars() );
+
+        $res = db2_execute($stmt);
+
+        if (! $res) {
+			throw new \Exception('DB2 SQL error = '.db2_stmt_error($this->_stmt));
+
+            return false;
+        }
+
+        $resource = $this->database()->resource();
+        return new Db2Result($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[] = $a[0] . ' ' . $a[1];
+            } else {
+                $out[] = $t;
+            }
+        }
+
+        return ' ' . implode(', ', $out) . ' ';
+    }
+}