[1.7.x] Fixed #24637 -- Fixed database introspection with SQLite 3.8.9.

Backport of f8e8853 from master

django/db/backends/sqlite3/introspection.py

@@ -201,7 +201,10 @@ def get_constraints(self, cursor, table_name):
         constraints = {}
         # Get the index info
         cursor.execute("PRAGMA index_list(%s)" % self.connection.ops.quote_name(table_name))
-        for number, index, unique in cursor.fetchall():
+        for row in cursor.fetchall():
+            # Sqlite3 3.8.9+ has 5 columns, however older versions only give 3
+            # columns. Discard last 2 columns if there.
+            number, index, unique = row[:3]
             # Get the index info for that index
             cursor.execute('PRAGMA index_info(%s)' % self.connection.ops.quote_name(index))
             for index_rank, column_rank, column in cursor.fetchall():

docs/releases/1.7.8.txt

@@ -0,0 +1,8 @@
+==========================
+Django 1.7.7 release notes
+==========================
+
+*Under development*
+
+Django 1.7.8 fixes database introspection with SQLite 3.8.9 (released April 8,
+2015) (:ticket:`24637`).

docs/releases/index.txt

@@ -25,6 +25,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   1.7.8
    1.7.7
    1.7.6
    1.7.5