Ticket #19154: 19154.diff

File 19154.diff, 903 bytes (added by Tim Graham, 12 years ago)
  • docs/topics/db/transactions.txt

    diff --git a/docs/topics/db/transactions.txt b/docs/topics/db/transactions.txt
    index 4a52c5a..3c0ec4f 100644
    a b managers, too.  
    161161    transactions. It tells Django you'll be managing the transaction on your
    162162    own.
    163163
    164     If your view changes data and doesn't ``commit()`` or ``rollback()``,
    165     Django will raise a ``TransactionManagementError`` exception.
     164    Whether you are writing or simply reading from the database, you must
     165    ``commit()`` or ``rollback()`` explicitly or Django will raise a
     166    :exc:`TransactionManagementError` exception. This is required when reading
     167    from the database because ``SELECT`` statements may call functions which
     168    modify tables, and thus it is impossible to know if any data has been
     169    modified.
    166170
    167171    Manual transaction management looks like this::
    168172
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