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authorPetri Lehtinen <petri@digip.org>2012-02-16 19:43:41 (GMT)
committerPetri Lehtinen <petri@digip.org>2012-02-16 19:44:26 (GMT)
commit17f1be63681c921a82f2dd9dd44e0305e46b4733 (patch)
tree7ee181d024775c87ff9ef37e2bc25e0f882e2934 /Doc
parent8e3926a810a5d849573a96b33308b9e2a1014ac4 (diff)
parentb3890226b33f86d485dccac309d442b15e766270 (diff)
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Merge branch '3.2'
Closes #13995.
Diffstat (limited to 'Doc')
-rw-r--r--Doc/includes/sqlite3/shortcut_methods.py3
-rw-r--r--Doc/library/sqlite3.rst11
2 files changed, 6 insertions, 8 deletions
diff --git a/Doc/includes/sqlite3/shortcut_methods.py b/Doc/includes/sqlite3/shortcut_methods.py
index 596d87c..71600d4 100644
--- a/Doc/includes/sqlite3/shortcut_methods.py
+++ b/Doc/includes/sqlite3/shortcut_methods.py
@@ -17,5 +17,4 @@ con.executemany("insert into person(firstname, lastname) values (?, ?)", persons
for row in con.execute("select firstname, lastname from person"):
print(row)
-# Using a dummy WHERE clause to not let SQLite take the shortcut table deletes.
-print("I just deleted", con.execute("delete from person where 1=1").rowcount, "rows")
+print("I just deleted", con.execute("delete from person").rowcount, "rows")
diff --git a/Doc/library/sqlite3.rst b/Doc/library/sqlite3.rst
index 2eb4614..edd2a00 100644
--- a/Doc/library/sqlite3.rst
+++ b/Doc/library/sqlite3.rst
@@ -555,18 +555,17 @@ Cursor Objects
attribute, the database engine's own support for the determination of "rows
affected"/"rows selected" is quirky.
- For ``DELETE`` statements, SQLite reports :attr:`rowcount` as 0 if you make a
- ``DELETE FROM table`` without any condition.
-
For :meth:`executemany` statements, the number of modifications are summed up
into :attr:`rowcount`.
As required by the Python DB API Spec, the :attr:`rowcount` attribute "is -1 in
case no ``executeXX()`` has been performed on the cursor or the rowcount of the
- last operation is not determinable by the interface".
+ last operation is not determinable by the interface". This includes ``SELECT``
+ statements because we cannot determine the number of rows a query produced
+ until all rows were fetched.
- This includes ``SELECT`` statements because we cannot determine the number of
- rows a query produced until all rows were fetched.
+ With SQLite versions before 3.6.5, :attr:`rowcount` is set to 0 if
+ you make a ``DELETE FROM table`` without any condition.
.. attribute:: Cursor.lastrowid