A little more in the db schema docs

1 files changed, 4 insertions, 3 deletions

diff --git a/coverage/numbits.py b/coverage/numbits.py
index 4b340c8e..504452d7 100644
--- a/coverage/numbits.py
+++ b/coverage/numbits.py
@@ -150,10 +150,11 @@ def register_sqlite_functions(connection):
         conn = sqlite3.connect('example.db')
         register_sqlite_functions(conn)
         c = conn.cursor()
+        # Kind of a nonsense query: find all the files and contexts that
+        # executed line 47 in any file:
         c.execute(
-            "select lb.file_id, lb.context_id from line_bits lb"
-            "where num_in_numbits(?, lb.numbits)",
-            (interesting_line_number,)
+            "select file_id, context_id from line_bits where num_in_numbits(?, numbits)",
+            (47,)
         )
     """
     connection.create_function("numbits_union", 2, numbits_union)