From 0cc945636e6c8c1a967578086696ada2caad4494 Mon Sep 17 00:00:00 2001
From: Christian Schneider
Date: Sun, 30 Sep 2007 19:23:31 +0000
Subject: Do not create class for non-existant tables

---
 it_dbi.class | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

diff --git a/it_dbi.class b/it_dbi.class
index 585856e..95eb18a 100644
--- a/it_dbi.class
+++ b/it_dbi.class
@@ -116,21 +116,34 @@ function createclass($p)
 	if (!is_array($p))
 		$p = array('table' => $p);
 
-	$classname = $p['classprefix'] . $p['table'];
+	# Make sure singleton exists
+	$dbi = $GLOBALS['it_dbi'] ? $GLOBALS['it_dbi'] : new it_dbi(array('table' => null) + $p);
+	$db = $dbi->_p['db'];
 
-	if (substr($classname, 0, 4) != 'PMA_')	# It is designed behaviour that an error is generated if this class already exists!
+	if (!isset($dbi->_tables[$db]))
 	{
-		$code = "class $classname extends it_dbi
+		for ($res = $dbi->query('SHOW TABLES'); $row = mysql_fetch_row($res);)
+			$dbi->_tables[$db][] = $row[0];
+	}
+
+	if (in_array($p['table'], $dbi->_tables[$db]))	# Do not generate classes for non-existant tables
+	{
+		$classname = $p['classprefix'] . $p['table'];
+
+		if (substr($classname, 0, 4) != 'PMA_')	# It is designed behaviour that an error is generated if this class already exists!
 		{
-			function $classname(\$query = null, \$p = array())
+			$code = "class $classname extends it_dbi
 			{
-				\$p += " . var_export($p, true) . ";
-				\$this->it_dbi(\$p, \$query);
-			}
-		}";
+				function $classname(\$query = null, \$p = array())
+				{
+					\$p += " . var_export($p, true) . ";
+					\$this->it_dbi(\$p, \$query);
+				}
+			}";
 
-		debug("it_dbi::createclass('{$p['table']}'): creating class $classname", 5);
-		eval($code);
+			debug("it_dbi::createclass('{$p['table']}'): creating class $classname", 5);
+			eval($code);
+		}
 	}
 }
 
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