Index: typo3/sysext/dbal/class.ux_t3lib_sqlengine.php
===================================================================
--- typo3/sysext/dbal/class.ux_t3lib_sqlengine.php	(revision 5435)
+++ typo3/sysext/dbal/class.ux_t3lib_sqlengine.php	(working copy)
@@ -231,6 +231,7 @@
 				}
 
 					// Add additional features:
+				$noQuote = true;
 				if (is_array($fieldCfg['featureIndex']))	{
 
 						// MySQL assigns DEFAULT value automatically if NOT NULL, fake this here
@@ -269,11 +270,16 @@
 								$cfg .= ' "\'\'"';
 							} else {
 								$cfg.=' '.$featureDef['value'][1].$this->compileAddslashes($featureDef['value'][0]).$featureDef['value'][1];
+								if (!is_numeric($featureDef['value'][0])) {
+									$noQuote = false;
+								}
 							}
 						}
 					}
 				}
-				$cfg .= ' NOQUOTE';
+				if ($noQuote) {
+					$cfg .= ' NOQUOTE';
+				}
 				break;
 		}
 
@@ -382,4 +388,4 @@
 	include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dbal/class.ux_t3lib_sqlengine.php']);
 }
 
-?>
\ No newline at end of file
+?>