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Abuhujair Javed
Postgres FD Implementation
Commits
9fe79c39
Commit
9fe79c39
authored
Sep 17, 2008
by
Tom Lane
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Preliminary release notes for upcoming back branch releases.
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doc/src/sgml/release.sgml
View file @
9fe79c39
<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.58
4 2008/06/08 21:46:07
tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.58
5 2008/09/17 20:57:35
tgl Exp $ -->
<!--
Typical markup:
...
...
@@ -63,6 +63,360 @@ do it for earlier branch release files.
review, so each item is truly a community effort.
</para>
<sect1 id="release-8-3-4">
<title>Release 8.3.4</title>
<note>
<title>Release date</title>
<simpara>2008-09-22</simpara>
</note>
<para>
This release contains a variety of fixes from 8.3.3.
For information about new features in the 8.3 major release, see
<xref linkend="release-8-3">.
</para>
<sect2>
<title>Migration to Version 8.3.4</title>
<para>
A dump/restore is not required for those running 8.3.X.
However, if you are upgrading from a version earlier than 8.3.1,
see the release notes for 8.3.1.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix bug in btree WAL recovery code (Heikki)
</para>
<para>
Recovery failed if the WAL ended partway through a page split operation.
</para>
</listitem>
<listitem>
<para>
Fix potential use of wrong cutoff XID for HOT page pruning (Alvaro)
</para>
<para>
This error created a risk of corruption in system
catalogs that are consulted by <command>VACUUM</>: dead tuple versions
might be removed too soon. The impact of this on actual database
operations would be minimal, since the system doesn't follow MVCC
rules while examining catalogs, but it might result in transiently
wrong output from <application>pg_dump</> or other client programs.
</para>
</listitem>
<listitem>
<para>
Fix potential miscalculation of <structfield>datfrozenxid</> (Alvaro)
</para>
<para>
This error may explain some recent reports of failure to remove old
<structname>pg_clog</> data.
</para>
</listitem>
<listitem>
<para>
Fix incorrect HOT updates after <structname>pg_class</> is reindexed
(Tom)
</para>
<para>
Corruption of <structname>pg_class</> could occur if <literal>REINDEX
TABLE pg_class</> was followed in the same session by an <literal>ALTER
TABLE RENAME</> or <literal>ALTER TABLE SET SCHEMA</> command.
</para>
</listitem>
<listitem>
<para>
Fix missed <quote>combo cid</> case (Karl Schnaitter)
</para>
<para>
This error made rows incorrectly invisible to a transaction in which they
had been deleted by multiple subtransactions that all aborted.
</para>
</listitem>
<listitem>
<para>
Prevent autovacuum from crashing if the table it's currently
checking is deleted at just the wrong time (Alvaro)
</para>
</listitem>
<listitem>
<para>
Widen local lock counters from 32 to 64 bits (Tom)
</para>
<para>
This responds to reports that the counters could overflow in
sufficiently long transactions, leading to unexpected <quote>lock is
already held</> errors.
</para>
</listitem>
<listitem>
<para>
Fix possible duplicate output of tuples during a GiST index scan (Teodor)
</para>
</listitem>
<listitem>
<para>
Regenerate foreign key checking queries from scratch when either
table is modified (Tom)
</para>
<para>
Previously, 8.3 would attempt to replan the query, but would work from
previously generated query text. This led to failures if a
table or column was renamed.
</para>
</listitem>
<listitem>
<para>
Fix missed permissions checks when a view contains a simple
<literal>UNION ALL</> construct (Heikki)
</para>
<para>
Permissions for the referenced tables were checked properly, but not
permissions for the view itself.
</para>
</listitem>
<listitem>
<para>
Add checks in executor startup to ensure that the tuples produced by an
<command>INSERT</> or <command>UPDATE</> will match the target table's
current rowtype (Tom)
</para>
<para>
This situation is believed to be impossible in 8.3, but it can happen in
prior releases, so a check seems prudent.
</para>
</listitem>
<listitem>
<para>
Fix possible repeated drops during <command>DROP OWNED</> (Tom)
</para>
<para>
This would typically result in strange errors such as <quote>cache
lookup failed for relation NNN</>.
</para>
</listitem>
<listitem>
<para>
Fix several memory leaks in XML operations (Kris Jurka, Tom)
</para>
</listitem>
<listitem>
<para>
Fix <function>xmlserialize()</> to raise error properly for
unacceptable target data type (Tom)
</para>
</listitem>
<listitem>
<para>
Fix a couple of places that mis-handled multibyte characters in text
search configuration file parsing (Tom)
</para>
<para>
Certain characters occurring in configuration files would always cause
<quote>invalid byte sequence for encoding</> failures.
</para>
</listitem>
<listitem>
<para>
Provide file name and line number location for all errors reported
in text search configuration files (Tom)
</para>
</listitem>
<listitem>
<para>
Fix <literal>AT TIME ZONE</> to first try to interpret its timezone
argument as a timezone abbreviation, and only try it as a full timezone
name if that fails, rather than the other way around as formerly (Tom)
</para>
<para>
The timestamp input functions have always resolved ambiguous zone names
in this order. Making <literal>AT TIME ZONE</> do so as well improves
consistency, and fixes a compatibility bug introduced in 8.1:
in ambiguous cases we now behave the same as 8.0 and before did,
since in the older versions <literal>AT TIME ZONE</> accepted
<emphasis>only</> abbreviations.
</para>
</listitem>
<listitem>
<para>
Fix datetime input functions to correctly detect integer overflow when
running on a 64-bit platform (Tom)
</para>
</listitem>
<listitem>
<para>
Prevent integer overflows during units conversion when displaying a
configuration parameter that has units (Tom)
</para>
</listitem>
<listitem>
<para>
Improve performance of writing very long log messages to syslog (Tom)
</para>
</listitem>
<listitem>
<para>
Allow spaces in the suffix part of an LDAP URL in
<filename>pg_hba.conf</> (Tom)
</para>
</listitem>
<listitem>
<para>
Fix bug in backwards scanning of a cursor on a <literal>SELECT DISTINCT
ON</> query (Tom)
</para>
</listitem>
<listitem>
<para>
Fix planner bug that could improperly push down <literal>IS NULL</>
tests below an outer join (Tom)
</para>
<para>
This was triggered by occurrence of <literal>IS NULL</> tests for
the same relation in all arms of an upper <literal>OR</> clause.
</para>
</listitem>
<listitem>
<para>
Fix planner bug with nested sub-select expressions (Tom)
</para>
<para>
If the outer sub-select has no direct dependency on the parent query,
but the inner one does, the outer value might not get recalculated
for new parent query rows.
</para>
</listitem>
<listitem>
<para>
Fix planner to estimate that <literal>GROUP BY</> expressions yielding
boolean results always result in two groups, regardless of the
expressions' contents (Tom)
</para>
<para>
This is very substantially more accurate than the regular <literal>GROUP
BY</> estimate for certain boolean tests like <replaceable>col</>
<literal>IS NULL</>.
</para>
</listitem>
<listitem>
<para>
Fix PL/PgSQL to not fail when a <literal>FOR</> loop's target variable
is a record containing composite-type fields (Tom)
</para>
</listitem>
<listitem>
<para>
Fix PL/Tcl to behave correctly with Tcl 8.5, and to be more careful
about the encoding of data sent to or from Tcl (Tom)
</para>
</listitem>
<listitem>
<para>
Improve performance of <function>PQescapeBytea()</> (Rudolf Leitgeb)
</para>
</listitem>
<listitem>
<para>
On Windows, work around a Microsoft bug by preventing
<application>libpq</> from trying to send more than 64kB per system call
(Magnus)
</para>
</listitem>
<listitem>
<para>
Fix <application>ecpg</> to handle variables properly in <command>SET</>
commands (Michael)
</para>
</listitem>
<listitem>
<para>
Improve <application>pg_dump</> and <application>pg_restore</>'s
error reporting after failure to send a SQL command (Tom)
</para>
</listitem>
<listitem>
<para>
Fix <application>pg_ctl</> to properly preserve postmaster
command-line arguments across a <literal>restart</> (Bruce)
</para>
</listitem>
<listitem>
<para>
Fix erroneous WAL file cutoff point calculation in
<application>pg_standby</> (Simon)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2008f (for
DST law changes in Argentina, Bahamas, Brazil, Mauritius, Morocco,
Pakistan, Palestine, and Paraguay)
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-3-3">
<title>Release 8.3.3</title>
...
...
@@ -3173,246 +3527,478 @@ current_date < 2017-11-17
Unless <literal>draft</> is used, the documentation build will
now be repeated if necessary to ensure the index is up-to-date.
</para>
</listitem>
</listitem>
</itemizedlist>
</sect3>
<sect3>
<title>Source Code</title>
<itemizedlist>
<listitem>
<para>
Rename macro <literal>DLLIMPORT</> to <literal>PGDLLIMPORT</> to
avoid conflicting with third party includes (like Tcl) that
define <literal>DLLIMPORT</> (Magnus)
</para>
</listitem>
<listitem>
<para>
Create <quote>operator families</quote> to improve planning of
queries involving cross-data-type comparisons (Tom)
</para>
</listitem>
<listitem>
<para>
Update GIN <function>extractQuery()</> API to allow signalling
that nothing can satisfy the query (Teodor)
</para>
</listitem>
<listitem>
<para>
Move <literal>NAMEDATALEN</> definition from
<filename>postgres_ext.h</> to <filename>pg_config_manual.h</>
(Peter)
</para>
</listitem>
<listitem>
<para>
Provide <function>strlcpy()</function> and
<function>strlcat()</function> on all platforms, and replace
error-prone uses of <function>strncpy()</function>,
<function>strncat()</function>, etc (Peter)
</para>
</listitem>
<listitem>
<para>
Create hooks to let an external plugin monitor (or even replace) the
planner and create plans for hypothetical situations (Gurjeet
Singh, Tom)
</para>
</listitem>
<listitem>
<para>
Create a function variable <literal>join_search_hook</> to let plugins
override the join search order portion of the planner (Julius
Stroffek)
</para>
</listitem>
<listitem>
<para>
Add <function>tas()</> support for Renesas' M32R processor
(Kazuhiro Inaoka)
</para>
</listitem>
<listitem>
<para>
<function>quote_identifier()</function> and
<application>pg_dump</application> no longer quote keywords that are
unreserved according to the grammar (Tom)
</para>
</listitem>
<listitem>
<para>
Change the on-disk representation of the <type>NUMERIC</type>
data type so that the <structfield>sign_dscale</> word comes
before the weight (Tom)
</para>
</listitem>
<listitem>
<para>
Use <acronym>SYSV</> semaphores rather than POSIX on Darwin
>= 6.0, i.e., OS X 10.2 and up (Chris Marcellino)
</para>
</listitem>
<listitem>
<para>
Add <link linkend="acronyms">acronym</link> and <link
linkend="creating-cluster-nfs">NFS</link> documentation
sections (Bruce)
</para>
</listitem>
<listitem>
<para>
"Postgres" is now documented as an accepted alias for
"PostgreSQL" (Peter)
</para>
</listitem>
<listitem>
<para>
Add documentation about preventing database server spoofing when
the server is down (Bruce)
</para>
</listitem>
</itemizedlist>
</sect3>
<sect3>
<title>Contrib</title>
<itemizedlist>
<listitem>
<para>
Move <filename>contrib</> <filename>README</> content into the
main <productname>PostgreSQL</> documentation (Albert Cervera i
Areny)
</para>
</listitem>
<listitem>
<para>
Add <filename>contrib/pageinspect</filename> module for low-level
page inspection (Simon, Heikki)
</para>
</listitem>
<listitem>
<para>
Add <filename>contrib/pg_standby</filename> module for controlling
warm standby operation (Simon)
</para>
</listitem>
<listitem>
<para>
Add <filename>contrib/uuid-ossp</filename> module for generating
<type>UUID</> values using the OSSP UUID library (Peter)
</para>
<para>
Use <application>configure</>
<literal>--with-ossp-uuid</literal> to activate. This takes
advantage of the new <type>UUID</type> builtin type.
</para>
</listitem>
<listitem>
<para>
Add <filename>contrib/dict_int</filename>,
<filename>contrib/dict_xsyn</filename>, and
<filename>contrib/test_parser</filename> modules to provide
sample add-on text search dictionary templates and parsers
(Sergey Karpov)
</para>
</listitem>
<listitem>
<para>
Allow <application>contrib/pgbench</> to set the fillfactor (Pavan
Deolasee)
</para>
</listitem>
<listitem>
<para>
Add timestamps to <application>contrib/pgbench</> <literal>-l</>
(Greg Smith)
</para>
</listitem>
<listitem>
<para>
Add usage count statistics to
<filename>contrib/pgbuffercache</filename> (Greg Smith)
</para>
</listitem>
<listitem>
<para>
Add GIN support for <filename>contrib/hstore</> (Teodor)
</para>
</listitem>
<listitem>
<para>
Add GIN support for <filename>contrib/pg_trgm</> (Guillaume Smet, Teodor)
</para>
</listitem>
<listitem>
<para>
Update OS/X startup scripts in
<filename>contrib/start-scripts</filename> (Mark Cotner, David
Fetter)
</para>
</listitem>
<listitem>
<para>
Restrict <function>pgrowlocks()</function> and
<function>dblink_get_pkey()</function> to users who have
<literal>SELECT</literal> privilege on the target table (Tom)
</para>
</listitem>
<listitem>
<para>
Restrict <filename>contrib/pgstattuple</filename> functions to
superusers (Tom)
</para>
</listitem>
<listitem>
<para>
<filename>contrib/xml2</filename> is deprecated and planned for
removal in 8.4 (Peter)
</para>
<para>
The new XML support in core PostgreSQL supersedes this module.
</para>
</listitem>
</itemizedlist>
</sect3>
</sect2>
</sect1>
<sect1 id="release-8-2-10">
<title>Release 8.2.10</title>
<note>
<title>Release date</title>
<simpara>2008-09-22</simpara>
</note>
<para>
This release contains a variety of fixes from 8.2.9.
For information about new features in the 8.2 major release, see
<xref linkend="release-8-2">.
</para>
<sect2>
<title>Migration to Version 8.2.10</title>
<para>
A dump/restore is not required for those running 8.2.X.
However, if you are upgrading from a version earlier than 8.2.7,
see the release notes for 8.2.7.
</para>
</itemizedlist
>
</sect2
>
</sect3>
<sect2>
<title>Changes</title>
<sect3>
<title>Source Code</title>
<itemizedlist>
<listitem>
<para>
Rename macro <literal>DLLIMPORT</> to <literal>PGDLLIMPORT</> to
avoid conflicting with third party includes (like Tcl) that
define <literal>DLLIMPORT</> (Magnus)
Fix bug in btree WAL recovery code (Heikki)
</para>
</listitem>
<listitem>
<para>
Create <quote>operator families</quote> to improve planning of
queries involving cross-data-type comparisons (Tom)
Recovery failed if the WAL ended partway through a page split operation.
</para>
</listitem>
<listitem>
<para>
Update GIN <function>extractQuery()</> API to allow signalling
that nothing can satisfy the query (Teodor)
Fix potential miscalculation of <structfield>datfrozenxid</> (Alvaro)
</para>
</listitem>
<listitem>
<para>
Move <literal>NAMEDATALEN</> definition from
<filename>postgres_ext.h</> to <filename>pg_config_manual.h</>
(Peter)
This error may explain some recent reports of failure to remove old
<structname>pg_clog</> data.
</para>
</listitem>
<listitem>
<para>
Provide <function>strlcpy()</function> and
<function>strlcat()</function> on all platforms, and replace
error-prone uses of <function>strncpy()</function>,
<function>strncat()</function>, etc (Peter)
Widen local lock counters from 32 to 64 bits (Tom)
</para>
</listitem>
<listitem>
<para>
Create hooks to let an external plugin monitor (or even replace) the
planner and create plans for hypothetical situations (Gurjeet
Singh, Tom)
This responds to reports that the counters could overflow in
sufficiently long transactions, leading to unexpected <quote>lock is
already held</> errors.
</para>
</listitem>
<listitem>
<para>
Create a function variable <literal>join_search_hook</> to let plugins
override the join search order portion of the planner (Julius
Stroffek)
Fix possible duplicate output of tuples during a GiST index scan (Teodor)
</para>
</listitem>
<listitem>
<para>
Add <function>tas()</> support for Renesas' M32R processor
(Kazuhiro Inaoka
)
Fix missed permissions checks when a view contains a simple
<literal>UNION ALL</> construct (Heikki
)
</para>
</listitem>
<listitem>
<para>
<function>quote_identifier()</function> and
<application>pg_dump</application> no longer quote keywords that are
unreserved according to the grammar (Tom)
Permissions for the referenced tables were checked properly, but not
permissions for the view itself.
</para>
</listitem>
<listitem>
<para>
Change the on-disk representation of the <type>NUMERIC</type>
data type so that the <structfield>sign_dscale</> word come
s
before the weight
(Tom)
Add checks in executor startup to ensure that the tuples produced by an
<command>INSERT</> or <command>UPDATE</> will match the target table'
s
current rowtype
(Tom)
</para>
</listitem>
<listitem>
<para>
Use <acronym>SYSV</> semaphores rather than POSIX on Darwin
>= 6.0, i.e., OS X 10.2 and up (Chris Marcellino)
<command>ALTER COLUMN TYPE</>, followed by re-use of a previously
cached plan, could produce this type of situation. The check protects
against data corruption and/or crashes that could ensue.
</para>
</listitem>
<listitem>
<para>
Add <link linkend="acronyms">acronym</link> and <link
linkend="creating-cluster-nfs">NFS</link> documentation
sections (Bruce)
Fix possible repeated drops during <command>DROP OWNED</> (Tom)
</para>
</listitem>
<listitem>
<para>
"Postgres" is now documented as an accepted alias for
"PostgreSQL" (Peter)
This would typically result in strange errors such as <quote>cache
lookup failed for relation NNN</>.
</para>
</listitem>
<listitem>
<para>
Add documentation about preventing database server spoofing when
the server is down (Bruce)
Fix <literal>AT TIME ZONE</> to first try to interpret its timezone
argument as a timezone abbreviation, and only try it as a full timezone
name if that fails, rather than the other way around as formerly (Tom)
</para>
</listitem>
</itemizedlist>
</sect3>
<sect3>
<title>Contrib</title>
<itemizedlist>
<listitem>
<para>
Move <filename>contrib</> <filename>README</> content into the
main <productname>PostgreSQL</> documentation (Albert Cervera i
Areny)
The timestamp input functions have always resolved ambiguous zone names
in this order. Making <literal>AT TIME ZONE</> do so as well improves
consistency, and fixes a compatibility bug introduced in 8.1:
in ambiguous cases we now behave the same as 8.0 and before did,
since in the older versions <literal>AT TIME ZONE</> accepted
<emphasis>only</> abbreviations.
</para>
</listitem>
<listitem>
<para>
Add <filename>contrib/pageinspect</filename> module for low-level
page inspection (Simon, Heikki
)
Fix datetime input functions to correctly detect integer overflow when
running on a 64-bit platform (Tom
)
</para>
</listitem>
<listitem>
<para>
Add <filename>contrib/pg_standby</filename> module for controlling
warm standby operation (Simon
)
Prevent integer overflows during units conversion when displaying a
configuration parameter that has units (Tom
)
</para>
</listitem>
<listitem>
<para>
Add <filename>contrib/uuid-ossp</filename> module for generating
<type>UUID</> values using the OSSP UUID library (Peter)
Improve performance of writing very long log messages to syslog (Tom)
</para>
</listitem>
<listitem>
<para>
Use <application>configure</>
<literal>--with-ossp-uuid</literal> to activate. This takes
advantage of the new <type>UUID</type> builtin type.
Allow spaces in the suffix part of an LDAP URL in
<filename>pg_hba.conf</> (Tom)
</para>
</listitem>
<listitem>
<para>
Add <filename>contrib/dict_int</filename>,
<filename>contrib/dict_xsyn</filename>, and
<filename>contrib/test_parser</filename> modules to provide
sample add-on text search dictionary templates and parsers
(Sergey Karpov)
Fix bug in backwards scanning of a cursor on a <literal>SELECT DISTINCT
ON</> query (Tom)
</para>
</listitem>
<listitem>
<para>
Allow <application>contrib/pgbench</> to set the fillfactor (Pavan
Deolasee)
Fix planner bug with nested sub-select expressions (Tom)
</para>
</listitem>
<listitem>
<para>
Add timestamps to <application>contrib/pgbench</> <literal>-l</>
(Greg Smith)
If the outer sub-select has no direct dependency on the parent query,
but the inner one does, the outer value might not get recalculated
for new parent query rows.
</para>
</listitem>
<listitem>
<para>
Add usage count statistics to
<filename>contrib/pgbuffercache</filename> (Greg Smith)
Fix planner to estimate that <literal>GROUP BY</> expressions yielding
boolean results always result in two groups, regardless of the
expressions' contents (Tom)
</para>
</listitem>
<listitem>
<para>
Add GIN support for <filename>contrib/hstore</> (Teodor)
This is very substantially more accurate than the regular <literal>GROUP
BY</> estimate for certain boolean tests like <replaceable>col</>
<literal>IS NULL</>.
</para>
</listitem>
<listitem>
<para>
Add GIN support for <filename>contrib/pg_trgm</> (Guillaume Smet, Teodor)
Fix PL/PgSQL to not fail when a <literal>FOR</> loop's target variable
is a record containing composite-type fields (Tom)
</para>
</listitem>
<listitem>
<para>
Update OS/X startup scripts in
<filename>contrib/start-scripts</filename> (Mark Cotner, David
Fetter)
Fix PL/Tcl to behave correctly with Tcl 8.5, and to be more careful
about the encoding of data sent to or from Tcl (Tom)
</para>
</listitem>
<listitem>
<para>
Restrict <function>pgrowlocks()</function> and
<function>dblink_get_pkey()</function> to users who have
<literal>SELECT</literal> privilege on the target table (Tom
)
On Windows, work around a Microsoft bug by preventing
<application>libpq</> from trying to send more than 64kB per system call
(Magnus
)
</para>
</listitem>
<listitem>
<para>
Restrict <filename>contrib/pgstattuple</filename> functions to
superusers
(Tom)
Improve <application>pg_dump</> and <application>pg_restore</>'s
error reporting after failure to send a SQL command
(Tom)
</para>
</listitem>
<listitem>
<para>
<filename>contrib/xml2</filename> is deprecated and planned fo
r
removal in 8.4 (Peter
)
Fix <application>pg_ctl</> to properly preserve postmaste
r
command-line arguments across a <literal>restart</> (Bruce
)
</para>
</listitem>
<listitem>
<para>
The new XML support in core PostgreSQL supersedes this module.
Update time zone data files to <application>tzdata</> release 2008f (for
DST law changes in Argentina, Bahamas, Brazil, Mauritius, Morocco,
Pakistan, Palestine, and Paraguay)
</para>
</listitem>
</itemizedlist>
</sect3>
</sect2>
</sect1>
...
...
@@ -7298,161 +7884,337 @@ current_date < 2017-11-17
</listitem>
<listitem>
<para>
<acronym>GIN</> support
<acronym>GIN</> support
</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>
Add adminpack module containing <application>Pgadmin</> administration
functions (Dave)
</para>
<para>
These functions provide additional file system access
routines not present in the default <productname>PostgreSQL</>
server.
</para>
</listitem>
<listitem>
<para>
Add sslinfo module (Victor Wagner)
</para>
<para>
Reports information about the current connection's <acronym>SSL</>
certificate.
</para>
</listitem>
<listitem>
<para>
Add pgrowlocks module (Tatsuo)
</para>
<para>
This shows row locking information for a specified table.
</para>
</listitem>
<listitem>
<para>
Add hstore module (Oleg, Teodor)
</para>
</listitem>
<listitem>
<para>
Add isn module, replacing isbn_issn (Jeremy Kronuz)
</para>
<para>
This new implementation supports <acronym>EAN13</>, <acronym>UPC</>,
<acronym>ISBN</> (books), <acronym>ISMN</> (music), and
<acronym>ISSN</> (serials).
</para>
</listitem>
<listitem>
<para>
Add index information functions to pgstattuple (ITAGAKI Takahiro,
Satoshi Nagayasu)
</para>
</listitem>
<listitem>
<para>
Add pg_freespacemap module to display free space map information
(Mark Kirkwood)
</para>
</listitem>
<listitem>
<para>
pgcrypto now has all planned functionality (Marko Kreen)
</para>
<itemizedlist>
<listitem>
<para>
Include iMath library in pgcrypto to have the public-key encryption
functions always available.
</para>
</listitem>
<listitem>
<para>
Add SHA224 algorithm that was missing in OpenBSD code.
</para>
</listitem>
<listitem>
<para>
Activate builtin code for SHA224/256/384/512 hashes on older
OpenSSL to have those algorithms always available.
</para>
</listitem>
<listitem>
<para>
New function gen_random_bytes() that returns cryptographically strong
randomness. Useful for generating encryption keys.
</para>
</listitem>
<listitem>
<para>
Remove digest_exists(), hmac_exists() and cipher_exists() functions.
</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>
Improvements to cube module (Joshua Reich)
</para>
<para>
New functions are <function>cube(float[])</>,
<function>cube(float[], float[])</>, and
<function>cube_subset(cube, int4[])</>.
</para>
</listitem>
<listitem>
<para>
Add async query capability to dblink (Kai Londenberg,
Joe Conway)
</para>
</listitem>
<listitem>
<para>
New operators for array-subset comparisons (<literal>@></>,
<literal><@</>, <literal>&&</>) (Tom)
</para>
<para>
Various contrib packages already had these operators for their
datatypes, but the naming wasn't consistent. We have now added
consistently named array-subset comparison operators to the core code
and all the contrib packages that have such functionality.
(The old names remain available, but are deprecated.)
</para>
</listitem>
<listitem>
<para>
Add uninstall scripts for all contrib packages that have install
scripts (David, Josh Drake)
</para>
</listitem>
</itemizedlist>
</listitem>
</sect3>
</sect2>
</sect1>
<sect1 id="release-8-1-14">
<title>Release 8.1.14</title>
<note>
<title>Release date</title>
<simpara>2008-09-22</simpara>
</note>
<listitem>
<para>
Add adminpack module containing <application>Pgadmin</> administration
functions (Dave)
This release contains a variety of fixes from 8.1.13.
For information about new features in the 8.1 major release, see
<xref linkend="release-8-1">.
</para>
<sect2>
<title>Migration to Version 8.1.14</title>
<para>
These functions provide additional file system access
routines not present in the default <productname>PostgreSQL</>
server
.
A dump/restore is not required for those running 8.1.X.
However, if you are upgrading from a version earlier than 8.1.2,
see the release notes for 8.1.2
.
</para>
</listitem>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Add sslinfo module (Victor Wagner
)
Widen local lock counters from 32 to 64 bits (Tom
)
</para>
<para>
Reports information about the current connection's <acronym>SSL</>
certificate.
This responds to reports that the counters could overflow in
sufficiently long transactions, leading to unexpected <quote>lock is
already held</> errors.
</para>
</listitem>
<listitem>
<para>
Add pgrowlocks module (Tatsuo
)
Fix possible duplicate output of tuples during a GiST index scan (Teodor
)
</para>
</listitem>
<listitem>
<para>
This shows row locking information for a specified table.
Add checks in executor startup to ensure that the tuples produced by an
<command>INSERT</> or <command>UPDATE</> will match the target table's
current rowtype (Tom)
</para>
</listitem>
<listitem>
<para>
Add hstore module (Oleg, Teodor)
<command>ALTER COLUMN TYPE</>, followed by re-use of a previously
cached plan, could produce this type of situation. The check protects
against data corruption and/or crashes that could ensue.
</para>
</listitem>
<listitem>
<para>
Add isn module, replacing isbn_issn (Jeremy Kronuz)
Fix <literal>AT TIME ZONE</> to first try to interpret its timezone
argument as a timezone abbreviation, and only try it as a full timezone
name if that fails, rather than the other way around as formerly (Tom)
</para>
<para>
This new implementation supports <acronym>EAN13</>, <acronym>UPC</>,
<acronym>ISBN</> (books), <acronym>ISMN</> (music), and
<acronym>ISSN</> (serials).
The timestamp input functions have always resolved ambiguous zone names
in this order. Making <literal>AT TIME ZONE</> do so as well improves
consistency, and fixes a compatibility bug introduced in 8.1:
in ambiguous cases we now behave the same as 8.0 and before did,
since in the older versions <literal>AT TIME ZONE</> accepted
<emphasis>only</> abbreviations.
</para>
</listitem>
<listitem>
<para>
Add index information functions to pgstattuple (ITAGAKI Takahiro,
Satoshi Nagayasu
)
Fix datetime input functions to correctly detect integer overflow when
running on a 64-bit platform (Tom
)
</para>
</listitem>
<listitem>
<para>
Add pg_freespacemap module to display free space map information
(Mark Kirkwood)
Improve performance of writing very long log messages to syslog (Tom)
</para>
</listitem>
<listitem>
<para>
pgcrypto now has all planned functionality (Marko Kreen)
Fix bug in backwards scanning of a cursor on a <literal>SELECT DISTINCT
ON</> query (Tom)
</para>
<itemizedlist>
</listitem>
<listitem>
<para>
Include iMath library in pgcrypto to have the public-key encryption
functions always available.
Fix planner bug with nested sub-select expressions (Tom)
</para>
</listitem>
<listitem>
<para>
Add SHA224 algorithm that was missing in OpenBSD code.
If the outer sub-select has no direct dependency on the parent query,
but the inner one does, the outer value might not get recalculated
for new parent query rows.
</para>
</listitem>
<listitem>
<para>
Activate builtin code for SHA224/256/384/512 hashes on older
OpenSSL to have those algorithms always available.
Fix planner to estimate that <literal>GROUP BY</> expressions yielding
boolean results always result in two groups, regardless of the
expressions' contents (Tom)
</para>
<para>
This is very substantially more accurate than the regular <literal>GROUP
BY</> estimate for certain boolean tests like <replaceable>col</>
<literal>IS NULL</>.
</para>
</listitem>
<listitem>
<para>
New function gen_random_bytes() that returns cryptographically strong
randomness. Useful for generating encryption keys.
Fix PL/PgSQL to not fail when a <literal>FOR</> loop's target variable
is a record containing composite-type fields (Tom)
</para>
</listitem>
<listitem>
<para>
Remove digest_exists(), hmac_exists() and cipher_exists() functions.
Fix PL/Tcl to behave correctly with Tcl 8.5, and to be more careful
about the encoding of data sent to or from Tcl (Tom)
</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>
Improvements to cube module (Joshua Reich)
Fix PL/Python to work with Python 2.5
</para>
<para>
New functions are <function>cube(float[])</>,
<function>cube(float[], float[])</>, and
<function>cube_subset(cube, int4[])</>.
This is a back-port of fixes made during the 8.2 development cycle.
</para>
</listitem>
<listitem>
<para>
Add async query capability to dblink (Kai Londenberg,
Joe Conway
)
Improve <application>pg_dump</> and <application>pg_restore</>'s
error reporting after failure to send a SQL command (Tom
)
</para>
</listitem>
<listitem>
<para>
New operators for array-subset comparisons (<literal>@></>,
<literal><@</>, <literal>&&</>) (Tom)
</para>
<para>
Various contrib packages already had these operators for their
datatypes, but the naming wasn't consistent. We have now added
consistently named array-subset comparison operators to the core code
and all the contrib packages that have such functionality.
(The old names remain available, but are deprecated.)
Fix <application>pg_ctl</> to properly preserve postmaster
command-line arguments across a <literal>restart</> (Bruce)
</para>
</listitem>
<listitem>
<para>
Add uninstall scripts for all contrib packages that have install
scripts (David, Josh Drake)
Update time zone data files to <application>tzdata</> release 2008f (for
DST law changes in Argentina, Bahamas, Brazil, Mauritius, Morocco,
Pakistan, Palestine, and Paraguay)
</para>
</listitem>
</itemizedlist>
</sect3>
</sect2>
</sect1>
...
...
@@ -11201,6 +11963,140 @@ psql -t -f fixseq.sql db1 | psql -e db1
</sect2>
</sect1>
<sect1 id="release-8-0-18">
<title>Release 8.0.18</title>
<note>
<title>Release date</title>
<simpara>2008-09-22</simpara>
</note>
<para>
This release contains a variety of fixes from 8.0.17.
For information about new features in the 8.0 major release, see
<xref linkend="release-8-0">.
</para>
<sect2>
<title>Migration to Version 8.0.18</title>
<para>
A dump/restore is not required for those running 8.0.X.
However, if you are upgrading from a version earlier than 8.0.6,
see the release notes for 8.0.6.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Widen local lock counters from 32 to 64 bits (Tom)
</para>
<para>
This responds to reports that the counters could overflow in
sufficiently long transactions, leading to unexpected <quote>lock is
already held</> errors.
</para>
</listitem>
<listitem>
<para>
Add checks in executor startup to ensure that the tuples produced by an
<command>INSERT</> or <command>UPDATE</> will match the target table's
current rowtype (Tom)
</para>
<para>
<command>ALTER COLUMN TYPE</>, followed by re-use of a previously
cached plan, could produce this type of situation. The check protects
against data corruption and/or crashes that could ensue.
</para>
</listitem>
<listitem>
<para>
Fix datetime input functions to correctly detect integer overflow when
running on a 64-bit platform (Tom)
</para>
</listitem>
<listitem>
<para>
Improve performance of writing very long log messages to syslog (Tom)
</para>
</listitem>
<listitem>
<para>
Fix bug in backwards scanning of a cursor on a <literal>SELECT DISTINCT
ON</> query (Tom)
</para>
</listitem>
<listitem>
<para>
Fix planner to estimate that <literal>GROUP BY</> expressions yielding
boolean results always result in two groups, regardless of the
expressions' contents (Tom)
</para>
<para>
This is very substantially more accurate than the regular <literal>GROUP
BY</> estimate for certain boolean tests like <replaceable>col</>
<literal>IS NULL</>.
</para>
</listitem>
<listitem>
<para>
Fix PL/Tcl to behave correctly with Tcl 8.5, and to be more careful
about the encoding of data sent to or from Tcl (Tom)
</para>
</listitem>
<listitem>
<para>
Fix PL/Python to work with Python 2.5
</para>
<para>
This is a back-port of fixes made during the 8.2 development cycle.
</para>
</listitem>
<listitem>
<para>
Improve <application>pg_dump</> and <application>pg_restore</>'s
error reporting after failure to send a SQL command (Tom)
</para>
</listitem>
<listitem>
<para>
Fix <application>pg_ctl</> to properly preserve postmaster
command-line arguments across a <literal>restart</> (Bruce)
</para>
</listitem>
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2008f (for
DST law changes in Argentina, Bahamas, Brazil, Mauritius, Morocco,
Pakistan, Palestine, and Paraguay)
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-8-0-17">
<title>Release 8.0.17</title>
...
...
@@ -15349,6 +16245,82 @@ typedefs (Michael)</para></listitem>
</sect2>
</sect1>
<sect1 id="release-7-4-22">
<title>Release 7.4.22</title>
<note>
<title>Release date</title>
<simpara>2008-09-22</simpara>
</note>
<para>
This release contains a variety of fixes from 7.4.21.
For information about new features in the 7.4 major release, see
<xref linkend="release-7-4">.
</para>
<sect2>
<title>Migration to Version 7.4.22</title>
<para>
A dump/restore is not required for those running 7.4.X.
However, if you are upgrading from a version earlier than 7.4.11,
see the release notes for 7.4.11.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<para>
Fix datetime input functions to correctly detect integer overflow when
running on a 64-bit platform (Tom)
</para>
</listitem>
<listitem>
<para>
Improve performance of writing very long log messages to syslog (Tom)
</para>
</listitem>
<listitem>
<para>
Fix bug in backwards scanning of a cursor on a <literal>SELECT DISTINCT
ON</> query (Tom)
</para>
</listitem>
<listitem>
<para>
Fix planner to estimate that <literal>GROUP BY</> expressions yielding
boolean results always result in two groups, regardless of the
expressions' contents (Tom)
</para>
<para>
This is very substantially more accurate than the regular <literal>GROUP
BY</> estimate for certain boolean tests like <replaceable>col</>
<literal>IS NULL</>.
</para>
</listitem>
<listitem>
<para>
Improve <application>pg_dump</> and <application>pg_restore</>'s
error reporting after failure to send a SQL command (Tom)
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-7-4-21">
<title>Release 7.4.21</title>
...
...
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