From e93ca97baee6b64baf3115259e7e1a8ec05dfced Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Wed, 16 Mar 2011 10:36:48 -0400
Subject: - Added accessors to ResultProxy "returns_rows", "is_insert"
 [ticket:2089]

---
 lib/sqlalchemy/engine/base.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'lib/sqlalchemy/engine/base.py')

diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py
index 972b06ce8..e88ad8265 100644
--- a/lib/sqlalchemy/engine/base.py
+++ b/lib/sqlalchemy/engine/base.py
@@ -2468,6 +2468,32 @@ class ResultProxy(object):
         """
         return self._saved_cursor.lastrowid
 
+    @property
+    def returns_rows(self):
+        """True if this :class:`.ResultProxy` returns rows.
+        
+        I.e. if it is legal to call the methods 
+        :meth:`~.ResultProxy.fetchone`, 
+        :meth:`~.ResultProxy.fetchmany`
+        :meth:`~.ResultProxy.fetchall`.
+
+        """
+        return self._metadata is not None
+
+    @property
+    def is_insert(self):
+        """True if this :class:`.ResultProxy` is the result
+        of a executing an expression language compiled 
+        :func:`.expression.insert` construct.
+        
+        When True, this implies that the 
+        :attr:`inserted_primary_key` attribute is accessible,
+        assuming the statement did not include
+        a user defined "returning" construct.
+        
+        """
+        return self.context.isinsert
+
     def _cursor_description(self):
         """May be overridden by subclasses."""
 
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