Add class for handling types

phpmyadmin · Apr 25, 2012 · a2bf814 · a2bf814
1 parent b984cb7
commit a2bf814
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Showing 2 changed files with 39 additions and 0 deletions.
diff --git a/libraries/Types.class.php b/libraries/Types.class.php
@@ -0,0 +1,29 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * SQL data types definition
+ *
+ * @package PhpMyAdmin
+ */
+if (! defined('PHPMYADMIN')) {
+    exit;
+}
+
+/**
+ * Generic class holding type definitions.
+ */
+class PMA_Types
+{
+    public function getUnaryOperators() {
+        return array(
+           'IS NULL',
+           'IS NOT NULL',
+           "= ''",
+           "!= ''",
+        );
+    }
+
+    public function isUnaryOperator($op) {
+        return in_array($op, $this->getUnaryOperators());
+    }
+}
diff --git a/libraries/common.inc.php b/libraries/common.inc.php
@@ -124,6 +124,11 @@
  */
 require './libraries/Table.class.php';
 
+/**
+ * the PMA_Types class
+ */
+require './libraries/Types.class.php';
+
 if (!defined('PMA_MINIMUM_COMMON')) {
     /**
      * common functions
@@ -973,6 +978,11 @@
             PMA_fatalError(__('You should upgrade to %s %s or later.'), array('MySQL', '5.0.15'));
         }
 
+        /**
+         * Type handling object.
+         */
+        $GLOBALS['PMA_Types'] = new PMA_Types();
+
         if (PMA_DRIZZLE) {
             // DisableIS must be set to false for Drizzle, it maps SHOW commands
             // to INFORMATION_SCHEMA queries anyway so it's fast on large servers