Issue #13583: sqlite3.Row now supports slice indexing.
Tests by Jessica McKellar.
diff --git a/Lib/sqlite3/test/factory.py b/Lib/sqlite3/test/factory.py
index 98dcae5..3d4eb0b 100644
--- a/Lib/sqlite3/test/factory.py
+++ b/Lib/sqlite3/test/factory.py
@@ -111,6 +111,24 @@
with self.assertRaises(IndexError):
row[2**1000]
+ def CheckSqliteRowSlice(self):
+ # A sqlite.Row can be sliced like a list.
+ self.con.row_factory = sqlite.Row
+ row = self.con.execute("select 1, 2, 3, 4").fetchone()
+ self.assertEqual(row[0:0], ())
+ self.assertEqual(row[0:1], (1,))
+ self.assertEqual(row[1:3], (2, 3))
+ self.assertEqual(row[3:1], ())
+ # Explicit bounds are optional.
+ self.assertEqual(row[1:], (2, 3, 4))
+ self.assertEqual(row[:3], (1, 2, 3))
+ # Slices can use negative indices.
+ self.assertEqual(row[-2:-1], (3,))
+ self.assertEqual(row[-2:], (3, 4))
+ # Slicing supports steps.
+ self.assertEqual(row[0:4:2], (1, 3))
+ self.assertEqual(row[3:0:-2], (4, 2))
+
def CheckSqliteRowIter(self):
"""Checks if the row object is iterable"""
self.con.row_factory = sqlite.Row