From cfaa5f121f21e66d65cdad3c7b1258905b0af768 Mon Sep 17 00:00:00 2001
From: zYne <zYne@625475ce-881a-0410-a577-b389adb331d8>
Date: Mon, 23 Jul 2007 23:18:11 +0000
Subject: [PATCH]

---
 lib/Doctrine/Export/Sqlite.php | 14 +++++++++++++-
 lib/Doctrine/Table.php         | 21 ++++++++++++++++++++-
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/lib/Doctrine/Export/Sqlite.php b/lib/Doctrine/Export/Sqlite.php
index 7fd7389d7..5d94408c1 100644
--- a/lib/Doctrine/Export/Sqlite.php
+++ b/lib/Doctrine/Export/Sqlite.php
@@ -180,7 +180,19 @@ class Doctrine_Export_Sqlite extends Doctrine_Export
         }
 
         $name  = $this->conn->quoteIdentifier($name, true);
-        $query[] = 'CREATE TABLE ' . $name . ' (' . $queryFields . ')';
+        $sql   = 'CREATE TABLE ' . $name . ' (' . $queryFields . ')';
+
+        if ($check = $this->getCheckDeclaration($fields)) {
+            $sql .= ', ' . $check;
+        }
+
+        if (isset($options['checks']) && $check = $this->getCheckDeclaration($options['checks'])) {
+            $sql .= ', ' . $check;
+        }
+
+        $sql .= ')';
+
+        $query[] = $sql;
 
         if (isset($options['indexes']) && ! empty($options['indexes'])) {
             foreach ($options['indexes'] as $index => $definition) {
diff --git a/lib/Doctrine/Table.php b/lib/Doctrine/Table.php
index 72756776d..3500a2348 100644
--- a/lib/Doctrine/Table.php
+++ b/lib/Doctrine/Table.php
@@ -121,7 +121,9 @@ class Doctrine_Table extends Doctrine_Configurable implements Countable
      *
      *      -- foreignKeys                  the foreign keys of this table
      *
-     *      -- collation
+     *      -- checks                       the check constraints of this table, eg. 'price > dicounted_price'
+     *
+     *      -- collation                    collation attribute
      *
      *      -- indexes                      the index definitions of this table
      *
@@ -468,6 +470,23 @@ class Doctrine_Table extends Doctrine_Configurable implements Countable
     {
         $this->options['foreignKeys'][] = $definition;
     }
+    /**
+     * addCheckConstraint
+     * 
+     * adds a check constraint to this table
+     *
+     * @return void
+     */
+    public function addCheckConstraint($definition, $name)
+    {
+    	if (is_string($name)) {
+            $this->options['checks'][$name] = $definition;
+        } else {
+            $this->options['checks'][] = $definition;
+        }
+        
+        return $this;
+    }
     /**
      * addIndex
      *