open-dsi
/
postgres
mirror of https://github.com/postgres/postgres
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Update release notes for 8.3.1 and 8.2.7 releases.

Browse Source
REL8_5_ALPHA1_BRANCH
Tom Lane 18 years ago
parent d31fb0e6b5
commit be5d6df346
1 changed files with 579 additions and 1 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 580
      doc/src/sgml/release.sgml

580
doc/src/sgml/release.sgml
Unescape View File

@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.579 2008/02/07 22:28:54 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.580 2008/03/13 23:47:49 tgl Exp $ -->
<!--
Typical markup:
@ -63,6 +63,317 @@ do it for earlier branch release files.
review, so each item is truly a community effort.
</para>
<sect1 id="release-8-3-1">
<title>Release 8.3.1</title>
<note>
<title>Release date</title>
<simpara>2008-03-17</simpara>
</note>
<para>
This release contains a variety of fixes from 8.3.0.
</para>
<sect2>
<title>Migration to Version 8.3.1</title>
<para>
A dump/restore is not required for those running 8.3.X.
However, you might need to <command>REINDEX</> indexes on textual
columns after updating, if you are affected by the Windows locale
issue described below.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix character string comparison for Windows locales that consider
different character combinations as equal (Tom)
</para>
<para>
This fix applies only on Windows and only when using UTF-8
database encoding. The same fix was made for all other cases
over two years ago, but Windows with UTF-8 uses a separate code
path that was not updated. If you are using a locale that
considers some non-identical strings as equal, you may need to
<command>REINDEX</> to fix existing indexes on textual columns.
</para>
</listitem>
<listitem>
<para>
Repair corner-case bugs in <command>VACUUM FULL</> (Tom)
</para>
<para>
A potential deadlock between concurrent <command>VACUUM FULL</>
operations on different system catalogs was introduced in 8.2.
This has now been corrected. 8.3 made this worse because the
deadlock could occur within a critical code section, making it
a PANIC rather than just ERROR condition.
</para>
<para>
Also, a <command>VACUUM FULL</> that failed partway through
vacuuming a system catalog could result in cache corruption in
concurrent database sessions.
</para>
<para>
Another <command>VACUUM FULL</> bug introduced in 8.3 could
result in a crash or out-of-memory report when dealing with
pages containing no live tuples.
</para>
</listitem>
<listitem>
<para>
Fix misbehavior of foreign key checks involving <type>character</>
or <type>bit</> columns (Tom)
</para>
<para>
If the referencing column were of a different but compatible type
(for instance <type>varchar</>), the constraint was enforced incorrectly.
</para>
</listitem>
<listitem>
<para>
Avoid needless deadlock failures in no-op foreign-key checks (Stephan
Szabo, Tom)
</para>
</listitem>
<listitem>
<para>
Fix possible core dump when re-planning a prepared query (Tom)
</para>
<para>
This bug affected only protocol-level prepare operations, not
SQL <command>PREPARE</>, and so tended to be seen only with
JDBC, DBI, and other client-side drivers that use prepared
statements heavily.
</para>
</listitem>
<listitem>
<para>
Fix possible failure when re-planning a query that calls an SPI-using
function (Tom)
</para>
</listitem>
<listitem>
<para>
Fix failure in row-wise comparisons involving columns of different
datatypes (Tom)
</para>
</listitem>
<listitem>
<para>
Fix longstanding <command>LISTEN</>/<command>NOTIFY</>
race condition (Tom)
</para>
<para>
In rare cases a session that had just executed a
<command>LISTEN</> might not get a notification, even though
one would be expected because the concurrent transaction executing
<command>NOTIFY</> was observed to commit later.
</para>
<para>
A side effect of the fix is that a transaction that has executed
a not-yet-committed <command>LISTEN</> command will not see any
row in <structname>pg_listener</> for the <command>LISTEN</>,
should it choose to look; formerly it would have. This behavior
was never documented one way or the other, but it is possible that
some applications depend on the old behavior.
</para>
</listitem>
<listitem>
<para>
Disallow <command>LISTEN</> and <command>UNLISTEN</> within a
prepared transaction (Tom)
</para>
<para>
This was formerly allowed but trying to do it had various unpleasant
consequences, notably that the originating backend could not exit
as long as an <command>UNLISTEN</> remained uncommitted.
</para>
</listitem>
<listitem>
<para>
Disallow dropping a temporary table within a
prepared transaction (Heikki)
</para>
<para>
This was correctly disallowed by 8.1, but the check was inadvertently
broken in 8.2 and 8.3.
</para>
</listitem>
<listitem>
<para>
Fix rare crash when an error occurs during a query using a hash index
(Heikki)
</para>
</listitem>
<listitem>
<para>
Fix incorrect comparison of <type>tsquery</> values (Teodor)
</para>
</listitem>
<listitem>
<para>
Fix incorrect behavior of <literal>LIKE</> with non-ASCII characters
in single-byte encodings (Rolf Jentsch)
</para>
</listitem>
<listitem>
<para>
Disable <function>xmlvalidate</> (Tom)
</para>
<para>
This function should have been removed before 8.3 release, but
was inadvertently left in the source code. It poses a small
security risk since unprivileged users could use it to read the
first few characters of any file accessible to the server.
</para>
</listitem>
<listitem>
<para>
Fix memory leaks in certain usages of set-returning functions (Neil)
</para>
</listitem>
<listitem>
<para>
Make <function>encode(<replaceable>bytea</>, 'escape')</> convert all
high-bit-set byte values into <literal>\</><replaceable>nnn</> octal
escape sequences (Tom)
</para>
<para>
This is necessary to avoid encoding problems when the database
encoding is multi-byte. This change could pose compatibility issues
for applications that are expecting specific results from
<function>encode</>.
</para>
</listitem>
<listitem>
<para>
Fix input of datetime values for February 29 in years BC (Tom)
</para>
<para>
The former coding was mistaken about which years were leap years.
</para>
</listitem>
<listitem>
<para>
Fix <quote>unrecognized node type</> error in some variants of
<command>ALTER OWNER</> (Tom)
</para>
</listitem>
<listitem>
<para>
Avoid tablespace permissions errors in <command>CREATE TABLE LIKE
INCLUDING INDEXES</> (Tom)
</para>
</listitem>
<listitem>
<para>
Ensure <structname>pg_stat_activity</>.<structfield>waiting</> flag
is cleared when a lock wait is aborted (Tom)
</para>
</listitem>
<listitem>
<para>
Fix handling of process permissions on Windows Vista (Dave, Magnus)
</para>
<para>
In particular, this fix allows starting the server as the Administrator
user.
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2008a
(in particular, recent Chile changes); adjust timezone abbreviation
<literal>VET</> (Venezuela) to mean UTC-4:30, not UTC-4:00 (Tom)
</para>
</listitem>
<listitem>
<para>
Fix <application>ecpg</> problems with arrays (Michael)
</para>
</listitem>
<listitem>
<para>
Fix <application>pg_ctl</> to correctly extract the postmaster's port
number from command-line options (Itagaki Takahiro, Tom)
</para>
<para>
Previously, <literal>pg_ctl start -w</> could try to contact the
postmaster on the wrong port, leading to bogus reports of startup
failure.
</para>
</listitem>
<listitem>
<para>
Use <option>-fwrapv</> to defend against possible misoptimization
in recent <application>gcc</> versions (Tom)
</para>
<para>
This is known to be necessary when building <productname>PostgreSQL</>
with <application>gcc</> 4.3 or later.
</para>
</listitem>
<listitem>
<para>
Enable building <filename>contrib/uuid-ossp</> with MSVC (Hiroshi Saito)
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-3">
<title>Release 8.3</title>
@ -2671,6 +2982,273 @@ current_date &lt; 2017-11-17
</sect2>
</sect1>
<sect1 id="release-8-2-7">
<title>Release 8.2.7</title>
<note>
<title>Release date</title>
<simpara>2008-03-17</simpara>
</note>
<para>
This release contains a variety of fixes from 8.2.6.
</para>
<sect2>
<title>Migration to Version 8.2.7</title>
<para>
A dump/restore is not required for those running 8.2.X.
However, you might need to <command>REINDEX</> indexes on textual
columns after updating, if you are affected by the Windows locale
issue described below.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix character string comparison for Windows locales that consider
different character combinations as equal (Tom)
</para>
<para>
This fix applies only on Windows and only when using UTF-8
database encoding. The same fix was made for all other cases
over two years ago, but Windows with UTF-8 uses a separate code
path that was not updated. If you are using a locale that
considers some non-identical strings as equal, you may need to
<command>REINDEX</> to fix existing indexes on textual columns.
</para>
</listitem>
<listitem>
<para>
Repair potential deadlock between concurrent <command>VACUUM FULL</>
operations on different system catalogs (Tom)
</para>
</listitem>
<listitem>
<para>
Fix longstanding <command>LISTEN</>/<command>NOTIFY</>
race condition (Tom)
</para>
<para>
In rare cases a session that had just executed a
<command>LISTEN</> might not get a notification, even though
one would be expected because the concurrent transaction executing
<command>NOTIFY</> was observed to commit later.
</para>
<para>
A side effect of the fix is that a transaction that has executed
a not-yet-committed <command>LISTEN</> command will not see any
row in <structname>pg_listener</> for the <command>LISTEN</>,
should it choose to look; formerly it would have. This behavior
was never documented one way or the other, but it is possible that
some applications depend on the old behavior.
</para>
</listitem>
<listitem>
<para>
Disallow <command>LISTEN</> and <command>UNLISTEN</> within a
prepared transaction (Tom)
</para>
<para>
This was formerly allowed but trying to do it had various unpleasant
consequences, notably that the originating backend could not exit
as long as an <command>UNLISTEN</> remained uncommitted.
</para>
</listitem>
<listitem>
<para>
Disallow dropping a temporary table within a
prepared transaction (Heikki)
</para>
<para>
This was correctly disallowed by 8.1, but the check was inadvertently
broken in 8.2.
</para>
</listitem>
<listitem>
<para>
Fix rare crash when an error occurs during a query using a hash index
(Heikki)
</para>
</listitem>
<listitem>
<para>
Fix memory leaks in certain usages of set-returning functions (Neil)
</para>
</listitem>
<listitem>
<para>
Fix input of datetime values for February 29 in years BC (Tom)
</para>
<para>
The former coding was mistaken about which years were leap years.
</para>
</listitem>
<listitem>
<para>
Fix <quote>unrecognized node type</> error in some variants of
<command>ALTER OWNER</> (Tom)
</para>
</listitem>
<listitem>
<para>
Ensure <structname>pg_stat_activity</>.<structfield>waiting</> flag
is cleared when a lock wait is aborted (Tom)
</para>
</listitem>
<listitem>
<para>
Fix handling of process permissions on Windows Vista (Dave, Magnus)
</para>
<para>
In particular, this fix allows starting the server as the Administrator
user.
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2008a
(in particular, recent Chile changes); adjust timezone abbreviation
<literal>VET</> (Venezuela) to mean UTC-4:30, not UTC-4:00 (Tom)
</para>
</listitem>
<listitem>
<para>
Fix <application>pg_ctl</> to correctly extract the postmaster's port
number from command-line options (Itagaki Takahiro, Tom)
</para>
<para>
Previously, <literal>pg_ctl start -w</> could try to contact the
postmaster on the wrong port, leading to bogus reports of startup
failure.
</para>
</listitem>
<listitem>
<para>
Use <option>-fwrapv</> to defend against possible misoptimization
in recent <application>gcc</> versions (Tom)
</para>
<para>
This is known to be necessary when building <productname>PostgreSQL</>
with <application>gcc</> 4.3 or later.
</para>
</listitem>
<listitem>
<para>
Correctly enforce <varname>statement_timeout</> values longer
than <literal>INT_MAX</> microseconds (about 35 minutes) (Tom)
</para>
<para>
This bug affects only builds with <option>--enable-integer-datetimes</>.
</para>
</listitem>
<listitem>
<para>
Fix <quote>unexpected PARAM_SUBLINK ID</> planner error when
constant-folding simplifies a sub-select (Tom)
</para>
</listitem>
<listitem>
<para>
Fix logical errors in constraint-exclusion handling of <literal>IS
NULL</> and <literal>NOT</> expressions (Tom)
</para>
<para>
The planner would sometimes exclude partitions that should not
have been excluded because of the possibility of NULL results.
</para>
</listitem>
<listitem>
<para>
Fix another cause of <quote>failed to build any N-way joins</>
planner errors (Tom)
</para>
<para>
This could happen in cases where a clauseless join needed to be
forced before a join clause could be exploited.
</para>
</listitem>
<listitem>
<para>
Fix incorrect constant propagation in outer-join planning (Tom)
</para>
<para>
The planner could sometimes incorrectly conclude that a variable
could be constrained to be equal to a constant, leading
to wrong query results.
</para>
</listitem>
<listitem>
<para>
Fix display of constant expressions in <literal>ORDER BY</>
and <literal>GROUP BY</> (Tom)
</para>
<para>
An explictly casted constant would be shown incorrectly. This could
for example lead to corruption of a view definition during
dump and reload.
</para>
</listitem>
<listitem>
<para>
Fix <application>libpq</> to handle NOTICE messages correctly
during COPY OUT (Tom)
</para>
<para>
This failure has only been observed to occur when a user-defined
datatype's output routine issues a NOTICE, but there is no
guaranteee it couldn't happen due to other causes.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-2-6">
<title>Release 8.2.6</title>

Write Preview
Loading…
Cancel
Save