From 36b27c354bf2807c10ceb22ecf325900125e9f53 Mon Sep 17 00:00:00 2001
From: Chen <chenliu90@gmail.com>
Date: Wed, 4 Dec 2013 14:44:01 -0500
Subject: [PATCH] add drop_column function

---
 dataset/persistence/table.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/dataset/persistence/table.py b/dataset/persistence/table.py
index ebff3cd..d9e9574 100644
--- a/dataset/persistence/table.py
+++ b/dataset/persistence/table.py
@@ -227,6 +227,22 @@ class Table(object):
         finally:
             self.database._release()
 
+    def drop_column(self, name):
+        """
+        Drop the column ``name``
+        ::
+
+            table.drop_column('created_at')
+        """
+        self._check_dropped()
+        self.database._acquire()
+        try:
+            if name in self.table.columns.keys():
+                col = self.table.columns[name]
+                col.drop()
+        finally:
+            self.database._release()
+
     def create_index(self, columns, name=None):
         """
         Create an index to speed up queries on a table. If no ``name`` is given a random name is created.