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Diffstat (limited to 'src/interfaces/python/Announce')
| -rw-r--r-- | src/interfaces/python/Announce | 58 |
1 files changed, 43 insertions, 15 deletions
diff --git a/src/interfaces/python/Announce b/src/interfaces/python/Announce index 38c8f4eda31..b02f83670bf 100644 --- a/src/interfaces/python/Announce +++ b/src/interfaces/python/Announce @@ -1,14 +1,11 @@ -Announce: Release of PyGreSQL version 2.4 +Announce: Release of PyGreSQL version 3.0 =============================================== -PyGreSQL v2.4 has been released. +PyGreSQL v3.0 has been released. It is available at: ftp://ftp.druid.net/pub/distrib/PyGreSQL.tgz. If -you are on NetBSD, look in the packages directory under databases. If -it isn't there yet, it should be there shortly. You can also pick up the -package files from ftp://ftp.druid.net/pub/distrib/pygresql.pkg.tgz. -There is also a package in the FreeBSD ports collection but as I write -this it is at version 2.1. I will try to get that updated as well. +you are running NetBSD, look in the packages directory under databases. +There is also a package in the FreeBSD ports collection. PostgreSQL is a database system derived from Postgres4.2. It conforms to (most of) ANSI SQL and offers many interesting capabilities (C @@ -28,19 +25,49 @@ PyGreSQL is a python module that interfaces to a PostgreSQL database. It embeds the PostgreSQL query library to allow easy use of the powerful PostgreSQL features from a Python script. -I wanted to have DB-SIG API support in the next release but there are -enough fixes and improvements to make one more release before starting -on that. The next version will be 3.0 and have the DB-SIG API support. -Note that I said this for 2.4 but some required changes from others have -been slow in coming (I'm not complaining, people do have lives) and -there were enough fixes that I didn't want to keep them from a release. +This release of PyGreSQL is the first DB-SIG API. That's why we have +a bump in the major number. There is also a potential problem in +backwards compatibility. Previously when there was a NULL in a returned +field it was returned as a blank. Now it is more properly returned as +a Python None. Any scripts that expect NULLs to be blanks will have +problems with this. -PyGreSQL 2.3 was developed and tested on a NetBSD 1.3_BETA system. It +Due to the fact that the DB-API is brand new, it is expected that there +will be a 3.1 release shortly with corrections once many people have +had a chance to test it. + +See the other changes below or in the Changelog file. + +PyGreSQL 2.0 was developed and tested on a NetBSD 1.3_BETA system. It is based on the PyGres95 code written by Pascal Andre, andre@chimay.via.ecp.fr. I changed the version to 2.0 and updated the code for Python 1.5 and PostgreSQL 6.2.1. While I was at it I upgraded the code to use full ANSI style prototypes and changed the order of arguments to connect. Later versions are fixes and enhancements to that. +The latest version of PyGreSQL works with Python 1.5.2 and PostgreSQL 6.5. + +Important changes from PyGreSQL 2.4 to PyGreSQL 3.0: + - Remove strlen() call from pglarge_write() and get size from object. + (Richard@Bouska.cz) + - Add a little more error checking to the quote function in the wrapper + - Add extra checking in _quote function + - Wrap query in pg.py for debugging + - Add DB-API 2.0 support to pgmodule.c (andre@via.ecp.fr) + - Add DB-API 2.0 wrapper pgdb.py (andre@via.ecp.fr) + - Correct keyword clash (temp) in tutorial + - Clean up layout of tutorial + - Return NULL values as None (rlawrence@lastfoot.com) (WARNING: This + will cause backwards compatibility issues.) + - Change None to NULL in insert and update + - Change hash-bang lines to use /usr/bin/env + - Clearing date should be blank (NULL) not TODAY + - Quote backslashes in strings in _quote (brian@CSUA.Berkeley.EDU) + - Expanded and clarified build instructions (tbryan@starship.python.net) + - Make code thread safe (Jerome.Alet@unice.fr) + - Add README.distutils (mwa@gate.net & jeremy@cnri.reston.va.us) + - Many fixes and increased DB-API compliance by chifungfan@yahoo.com, + tony@printra.net, jeremy@alum.mit.edu and others to get the final + version ready to release. Important changes from PyGreSQL 2.3 to PyGreSQL 2.4: - Insert returns None if the user doesn't have select permissions @@ -48,10 +75,11 @@ Important changes from PyGreSQL 2.3 to PyGreSQL 2.4: not select permissions on a table. - Added ntuples() method to query object (brit@druid.net) - Corrected a bug related to getresult() and the money type - - Corrected a but related to negative money amounts + - Corrected a bug related to negative money amounts - Allow update based on primary key if munged oid not available and table has a primary key - Add many __doc__ strings. (andre@via.ecp.fr) + - Get method works with views if key specified Important changes from PyGreSQL 2.2 to PyGreSQL 2.3: - connect.host returns "localhost" when connected to Unix socket |