軟體下載 PostgreSQL 9.1.5 (32-bit)

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What's new in this version:

- Prevent access to external files/URLs via XML entity references 
- Prevent access to external files/URLs via contrib/xml2's xslt_process() 
- Prevent too-early recycling of btree index pages 
- Fix crash-safety bug with newly-created-or-reset sequences 
- Fix race condition in enum-type value comparisons 
- Fix txid_current() to report the correct epoch when not in hot standby 
- Prevent selection of unsuitable replication connections as the synchronous standby 
- Fix bug in startup of Hot Standby when a master transaction has many subtransactions 
- Ensure the backup_label file is fsync'd after pg_start_backup() 
- Fix timeout handling in walsender processes 
- Wake walsenders after each background flush by walwriter 
- Fix LISTEN/NOTIFY to cope better with I/O problems, such as out of disk space 
- Only allow autovacuum to be auto-canceled by a directly blocked process 
- Improve logging of autovacuum cancels 
- Fix log collector so that log_truncate_on_rotation works during the very first log rotation after server start 
- Fix WITH attached to a nested set operation (UNION/INTERSECT/EXCEPT) 
- Ensure that a whole-row reference to a subquery doesn't include any extra GROUP BY or ORDER BY columns 
- Fix dependencies generated during ALTER TABLE ... ADD CONSTRAINT USING INDEX 
- Fix REASSIGN OWNED to work on extensions 
- Disallow copying whole-row references in CHECK constraints and index definitions during CREATE TABLE 
- Fix memory leak in ARRAY(SELECT ...) subqueries 
- Fix planner to pass correct collation to operator selectivity estimators 
- Fix extraction of common prefixes from regular expressions 
- Fix bugs with parsing signed hh:mm and hh:mm:ss fields in interval constants 
- Fix pg_dump to better handle views containing partial GROUP BY lists 
- In PL/Perl, avoid setting UTF8 flag when in SQL_ASCII encoding 
- Use Postgres' encoding conversion functions, not Python's, when converting a Python Unicode string to the server encoding in PL/Python 
- Fix mapping of PostgreSQL encodings to Python encodings in PL/Python 
- Report errors properly in contrib/xml2's xslt_process() 
- Update time zone data files to tzdata release 2012e for DST law changes in Morocco and Tokelau