Release date: 2003-12-22
This release contains a variety of fixes from 7.4. For information about new features in the 7.4 major release, see Section E.309.
A dump/restore is not required for those running 7.4.
If you want to install the fixes in the information schema you
need to reload it into the database. This is either accomplished by
initializing a new cluster by running
initdb, or by running the following sequence of
SQL commands in each database (ideally including
template1) as a superuser in psql, after installing the new release:
DROP SCHEMA information_schema CASCADE; \i /usr/local/pgsql/share/information_schema.sql
Substitute your installation path in the second command.
Fixed bug in
CREATE SCHEMA parsing
in ECPG (Michael)
Fix compile error when
--with-perl are used together (Peter)
Fix for subqueries that used hash joins (Tom)
Certain subqueries that used hash joins would crash because of improperly shared structures.
Fix free space map compaction bug (Tom)
This fixes a bug where compaction of the free space map could lead to a database server shutdown.
Fix for Borland compiler build of libpq (Bruce)
hostmask() to return the maximum-length masklen
Fix these functions to return values consistent with pre-7.4 releases.
Fixes include improper variable initialization, missing vacuum
TRUNCATE, and duration
computation overflow for long vacuums.
Allow compile of
under Cygwin (Jason Tishler)
Fix Solaris use of password file when no passwords are defined (Tom)
Fix crash on Solaris caused by use of any type of password authentication when no passwords were defined.
JDBC fix for thread problems, other fixes
bytea index lookups (Joe)
Fix information schema for bit data types (Peter)
Force zero_damaged_pages to be on during recovery from WAL
Prevent some obscure cases of “variable not in subplan target lists”
byteaout consistent with each other
bytea output for bytes >
If different client encodings are used for
bytea output and input, it is possible for
bytea values to be corrupted by the
differing encodings. This fix escapes all bytes that might be
New Czech FAQ
Fix information schema view
constraint_column_usage for foreign keys
ECPG fixes (Michael)
Fix bug with multiple
and joins in the subqueries (Tom)
COUNT('x') to work (Tom)
Install ECPG include files for Informix compatibility into separate directory (Peter)
Some names of ECPG include files for Informix compatibility conflicted with operating system include files. By installing them in their own directory, name conflicts have been reduced.
Fix SSL memory leak (Neil)
This release fixes a bug in 7.4 where SSL didn't free all memory it allocated.
pg_service.conf from using
service name as default dbname (Bruce)
Fix local ident authentication on FreeBSD (Tom)
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