psycopg/psycopg2
1
1
Fork 0
mirror of https://github.com/psycopg/psycopg2.git synced 2024-11-25 18:33:44 +03:00
Code Issues Packages Projects Releases Wiki Activity

documentation changes now that Range objects can be ordered

Browse Source
This commit is contained in:
Chris Withers 2014-02-18 21:24:59 +00:00
parent e60266c4c5
commit 6cd0647da9
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
doc/src/extras.rst
View File

@ -437,9 +437,14 @@ user-defined |range| types can be adapted using `register_range()`.
`!Range` objects are immutable, hashable, and support the ``in`` operator
(checking if an element is within the range). They can be tested for
equivalence but not for ordering. Empty ranges evaluate to `!False` in
equivalence. Empty ranges evaluate to `!False` in
boolean context, nonempty evaluate to `!True`.
`!Range` objects can be sorted although, as on the server-side,
this ordering is not particularly meangingful.
.. versionchanged:: 2.5.3
Although it is possible to instantiate `!Range` objects, the class doesn't
have an adapter registered, so you cannot normally pass these instances as
query arguments. To use range objects as query arguments you can either