psycopg/psycopg2
1
1
Fork 0
mirror of https://github.com/psycopg/psycopg2.git synced 2025-01-31 09:24:07 +03:00
Code Issues Packages Projects Releases Wiki Activity

NEWS for release 2.4 ordered in groups

Browse Source
This commit is contained in:
Daniele Varrazzo 2011-02-23 14:16:22 +00:00
parent 894d3f653c
commit f9862211b1
1 changed files with 34 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
NEWS
View File

@ -3,30 +3,41 @@ What's new in psycopg 2.4
* New features and changes: * New features and changes:
- Added support for Python 3.1 and 3.2. - Added support for Python 3.1 and 3.2. The conversion has also brought
- Adapt types 'bytearray' (from Python 2.6), 'memoryview' (from Python 2.7) several improvements:
and other objects implementing the "Revised Buffer Protocol" to 'bytea'
data type.
- Added 'register_composite()' function to cast PostgreSQL composite types
into Python tuples/namedtuples.
- More efficient iteration on named cursors, fetching 'itersize' records at
time from the backend.
- The named cursors name can be an invalid identifier.
- 'cursor.description' is provided in named tuples if available.
- Raise a clean exception instead of returning bad data when receiving bytea
in 'hex' format and the client libpq can't parse them.
- Connections and cursors are weakly referenceable.
- Added 'b' and 't' mode to large objects: write can deal with both bytes - Added 'b' and 't' mode to large objects: write can deal with both bytes
strings and unicode; read can return either bytes strings or decoded strings and unicode; read can return either bytes strings or decoded
unicode. unicode.
- COPY sends Unicode data to files implementing 'io.TextIOBase'. - COPY sends Unicode data to files implementing 'io.TextIOBase'.
- The build script refuses to guess values if 'pg_config' is not found. - Improved PostgreSQL-Python encodings mapping.
- Improved PostgreSQL-Python encodings mapping. Added a few - Added a few missing encodings: EUC_CN, EUC_JIS_2004, ISO885910,
missing encodings: EUC_CN, EUC_JIS_2004, ISO885910, ISO885916, ISO885916, LATIN10, SHIFT_JIS_2004.
LATIN10, SHIFT_JIS_2004.
- Dropped repeated dictionary lookups with unicode query/parameters. - Dropped repeated dictionary lookups with unicode query/parameters.
- Improvements to the named cusors:
- More efficient iteration on named cursors, fetching 'itersize' records at
time from the backend.
- The named cursors name can be an invalid identifier.
- Improvements in data handling:
- Added 'register_composite()' function to cast PostgreSQL composite types
into Python tuples/namedtuples.
- Adapt types 'bytearray' (from Python 2.6), 'memoryview' (from Python 2.7)
and other objects implementing the "Revised Buffer Protocol" to 'bytea'
data type.
- Raise a clean exception instead of returning bad data when receiving bytea
in 'hex' format and the client libpq can't parse them.
- Empty lists correctly roundtrip Python -> PostgreSQL -> Python. - Empty lists correctly roundtrip Python -> PostgreSQL -> Python.
- Other changes:
- 'cursor.description' is provided as named tuples if available.
- The build script refuses to guess values if 'pg_config' is not found.
- Connections and cursors are weakly referenceable.
* Bug fixes: * Bug fixes:
- Fixed adaptation of None in composite types (ticket #26). Bug report by - Fixed adaptation of None in composite types (ticket #26). Bug report by