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Postgres FD Implementation
Commit a5985a96 authored by Tom Lane's avatar Tom Lane
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Explain compatibility item about language names a bit more. 

Since we've got an "open items" list item about this, apparently some
people are pretty worried about it.

In passing remove a lot of trailing whitespace.
parent f35ebd2a
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doc/src/sgml/release-9.2.sgml
View file @ a5985a96
......@@ -57,19 +57,19 @@
escapes special characters in string values (Florian Pflug,
Radoslaw Smogura)
</para>
<para>
Without this it is possible to output illegal
<acronym>XML</acronym>.
</para>
</listitem>
<listitem>
<para>
Remove <link linkend="hstore">hstore</link>'s <literal>=&gt;</>
operator (Robert Haas, David Wheeler)
</para>
<para>
Users should now use hstore(text, text). Since
<productname>PostgreSQL</productname> 9.0, a warning message is
......@@ -78,20 +78,20 @@
another use.
</para>
</listitem>
<listitem>
<para>
Have <link
linkend="functions-admin-dbobject"><function>pg_relation_size()</></link>
and friends return NULL if the object does not exist (Phil Sorber)
</para>
<para>
This prevents queries that call these functions from returning
errors during concurrent drop operations.
</para>
</listitem>
<listitem>
<para>
Remove the <link
......@@ -99,7 +99,7 @@
field from <structname>pg_tablespace</> (Magnus Hagander,
Tom Lane)
</para>
<para>
This field was duplicative of the symbolic links already
present in the data directory. This allows tablespace
......@@ -108,11 +108,11 @@
symbolic links.
</para>
</listitem>
</itemizedlist>
<sect4>
<title>Temporal Functions</title>
<title>Temporal Functions</title>
<itemizedlist>
......@@ -123,27 +123,27 @@
a non-timezone-aware value measure the epoch from local midnight,
not <acronym>UTC</acronym> midnight (Tom Lane)
</para>
<para>
Having these computations depend on <acronym>UTC</acronym>
was inconsistent. The old behavior is available by casting the
value to timestamp with time zone.
</para>
</listitem>
<listitem>
<para>
Properly parse time strings with trailing <literal>yesterday</>,
<literal>today</>, and <literal>tomorrow</> (Dean Rasheed)
</para>
<para>
Previously, <command>SELECT '04:00:00
yesterday'::timestamp</command> returned yesterday's date at
midnight.
</para>
</listitem>
<listitem>
<para>
Fix <link
......@@ -151,7 +151,7 @@
<function>to_timestamp()</> to wrap incomplete dates toward 2020
(Bruce Momjian)
</para>
<para>
Previously, supplied years and year masks of less than four digits
wrapped inconsistently.
......@@ -174,24 +174,27 @@
DOMAIN</command></link> from working on non-domain types (Peter
Eisentraut)
</para>
<para>
Owner and schema changes were previously possible on non-domain
types.
</para>
</listitem>
<listitem>
<para>
No longer auto-lowercase procedural language names (Robert Haas)
</para>
<para>
While unquoted language identifiers are still lowercased, double
and single-quoted identifiers are no longer down-cased.
While unquoted language identifiers are still lowercased, strings
and quoted identifiers are no longer forcibly down-cased.
Thus for example <literal>CREATE FUNCTION ... LANGUAGE 'C'</>
will no longer work; it must be spelled <literal>'c'</>, or better
omit the quotes.
</para>
</listitem>
</itemizedlist>
</sect3>
......@@ -208,14 +211,14 @@
linkend="APP-PSQL"><application>psql</></link> meta-command
arguments (Tom Lane)
</para>
<para>
Previously, such usage was only properly expanded when isolated by
whitespace, e.g. <literal>'FOO'BAR</> was output as <literal>FOO
BAR</>.
</para>
</listitem>
<listitem>
<para>
No longer treat <link
......@@ -224,7 +227,7 @@
linkend="APP-REINDEXDB"><application>reindexdb</></link> table
and index names as double-quoted (Bruce Momjian)
</para>
<para>
Users must supply double-quotes in the command arguments to
accomplish double-quoting behavior.
......@@ -239,32 +242,32 @@
Kupershmidt)
</para>
</listitem>
<listitem>
<para>
No longer have <link
linkend="APP-CREATEUSER"><application>createuser</></link> prompt
for settings (Peter Eisentraut, Josh Kupershmidt)
</para>
<para>
Previously <application>createuser</> prompted regarding various
user settings.
</para>
</listitem>
<listitem>
<para>
Remove <link linkend="APP-INITDB"><application>initdb</></link>
support for the crypt authentication method (Peter Eisentraut)
</para>
<para>
This was removed from the backend years ago.
</para>
</listitem>
</itemizedlist>
</itemizedlist>
</sect3>
......@@ -277,43 +280,43 @@
Remove the <filename>postgresql.conf</filename> setting
<varname>silent_mode</> (Heikki Linnakangas)
</para>
<para>
This behavior could already be accomplished with <command>pg_ctl
-l postmaster.log</>.
</para>
</listitem>
<listitem>
<para>
Remove <acronym>GUC</acronym> <varname>wal_sender_delay</>,
as it is no longer needed (Tom Lane)
</para>
<para>
The new "latch" capability made this setting unnecessary.
</para>
</listitem>
<listitem>
<para>
Remove the <varname>custom_variable_classes</>
<filename>postgresql.conf</filename> parameter (Tom Lane)
</para>
<para>
The checking provided by this setting was dubious. Now any
setting can be prefixed by any class name.
</para>
</listitem>
<listitem>
<para>
Add GUC <link linkend="guc-ssl-key-file">parameters</link> for
specifying the locations of server-side <acronym>SSL</acronym>
files (Peter Eisentraut)
</para>
<para>
This allows changing the location of the files that were previously
hard-coded to <filename>server.crt</>, <filename>server.key</>,
......@@ -322,7 +325,7 @@
names, and if specified, these files must exist.
</para>
</listitem>
</itemizedlist>
</sect3>
......@@ -338,19 +341,19 @@
to <structname>pid</>, to match other system tables (Magnus Hagander)
</para>
</listitem>
<listitem>
<para>
Create a separate <structname>pg_stat_activity</> column to
report state information, e.g. idle (Scott Mead, Magnus Hagander,
Greg Smith)
</para>
<para>
The last query values are preserved, allowing for enhanced analysis.
</para>
</listitem>
<listitem>
<para>
Rename <structname>pg_stat_activity.current_query</> to
......@@ -358,13 +361,13 @@
completes (Magnus Hagander)
</para>
</listitem>
<listitem>
<para>
Change all <acronym>SQL</acronym>-level statistics timing values
to float8-stored milliseconds (Tom Lane)
</para>
<para>
The columns affected are:
<structname>pg_stat_user_functions.total_time</>,
......@@ -373,7 +376,7 @@
<structname>pg_stat_xact_user_functions.self_time</>.
</para>
</listitem>
<listitem>
<para>
Change <application>pg_stat_statements</>'
......@@ -381,7 +384,7 @@
(Tom Lane)
</para>
</listitem>
</itemizedlist>
</sect3>
......@@ -409,7 +412,7 @@
Allow queries to retrieve data only from indexes, avoiding heap
access (Robert Haas, Ibrar Ahmed, Tom Lane)
</para>
<para>
This is often called "index-only scans" or "covering indexes".
This is possible for heap pages with exclusively all-visible
......@@ -424,7 +427,7 @@
lightweight lock mechanism (Robert Haas, Jeff Davis)
</para>
</listitem>
<listitem>
<para>
Move the frequently accessed members of the <structname>PGPROC</>
......@@ -432,35 +435,35 @@
Deolasee, Heikki Linnakangas, Robert Haas)
</para>
</listitem>
<listitem>
<para>
Reduce overhead of creating virtual transaction id locks (Robert
Haas, Jeff Davis)
</para>
</listitem>
<listitem>
<para>
Reduce overhead for shared invalidation cache messages (Robert
Haas, Noah Misch)
</para>
</listitem>
<listitem>
<para>
Improve performance of transactions using many savepoints (Simon
Riggs, Robert Haas) PARTIALLY REVERTED. KEEP?
</para>
</listitem>
<listitem>
<para>
Improve <command>COPY</command> performance by adding tuples to
the heap in batches (Heikki Linnakangas)
</para>
</listitem>
<listitem>
<para>
Improve GiST box and point index performance by producing better
......@@ -468,21 +471,21 @@
Heikki Linnakangas, Kevin Grittner)
</para>
</listitem>
<listitem>
<para>
Allow hint bits to be set sooner for temporary and unlogged tables
(Robert Haas)
</para>
</listitem>
<listitem>
<para>
Reduce checkpoints and <acronym>WAL</acronym> traffic on low
activity servers (Simon Riggs)
</para>
</listitem>
<listitem>
<para>
Allow sorting to be performed by inlined and faster,
......@@ -490,34 +493,34 @@
Geoghegan, Robert Haas, Tom Lane)
</para>
</listitem>
<listitem>
<para>
Add the <link linkend="SPGiST">SP-GiST</link> (Space-Partitioned
GiST) index access method (Teodor Sigaev, Oleg Bartunov, Tom Lane,
Robert Haas)
</para>
<para>
SP-GiST is comparable to GiST in flexibility, but supports
non-balanced partitioned search structures rather than balanced
trees. CLARIFY?
</para>
</listitem>
<listitem>
<para>
Improve GiST index build times (Alexander Korotkov)
</para>
</listitem>
<listitem>
<para>
Take fewer <acronym>MVCC</acronym> snapshots, for performance
(Robert Haas, Dimitri Fontaine)
</para>
</listitem>
<listitem>
<para>
Have the number of clog buffer count scale based on <link
......@@ -525,28 +528,28 @@
(Robert Haas)
</para>
</listitem>
<listitem>
<para>
Reduce the overhead of serializable isolation level locks (Dan
Ports, Heikki Linnakangas)
</para>
</listitem>
<listitem>
<para>
Improve performance of <acronym>WAL</acronym> writes using group
commit (Peter Geoghegan, Simon Riggs, Heikki Linnakangas)
</para>
</listitem>
<listitem>
<para>
Improve PowerPC and Itanium spinlock performance (Manabu Ori,
Tom Lane, Robert Haas)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -561,19 +564,19 @@
Create a dedicated worker process to perform checkpoints (Simon
Riggs, Dickson Guedes)
</para>
<para>
Formerly the background writer did dirty page writing and
checkpointing.
</para>
</listitem>
<listitem>
<para>
Improve asynchronous commit behavior by waking up sooner (Simon
Riggs)
</para>
<para>
Previously, only <link
linkend="guc-wal-writer-delay"><varname>wal_writer_delay</></link>
......@@ -582,18 +585,18 @@
writes.
</para>
</listitem>
<listitem>
<para>
Allow backends to detect postmaster death via a pipe read failure,
rather than polling (Peter Geoghegan, Heikki Linnakangas)
</para>
<para>
The wait events are internally called "latches".
</para>
</listitem>
<listitem>
<para>
Allow the <link linkend="pg-stat-bgwriter-view">bgwriter</link>,
......@@ -602,24 +605,24 @@
and checkpointer to sleep more efficiently during periods of
inactivity (Peter Geoghegan, Heikki Linnakangas, Tom Lane)
</para>
<para>
This reduces <acronym>CPU</acronym> wake-ups, which dramatically
reduces power consumption on idle servers.
</para>
</listitem>
<listitem>
<para>
Pass the safe number of file descriptors to Windows processes
(Heikki Linnakangas)
</para>
<para>
This allows Windows sessions to cache more open file descriptors.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -634,7 +637,7 @@
Improve the ability of the planner to choose parameterized plans
(Tom Lane)
</para>
<para>
A prepared statement is now parsed, analyzed, and rewritten,
but not necessarily planned. When the prepared plan is executed
......@@ -643,55 +646,55 @@
of a constant-specific plan. CLARIFY
</para>
</listitem>
<listitem>
<para>
Allow the optimizer to use <literal>CHECK</> constraints defined
on tables referenced in subqueries in planning decisions (Tom Lane)
</para>
<para>
This is only enabled when <link
linkend="guc-constraint-exclusion"><literal>constraint_exclusion
= on</></link>.
</para>
</listitem>
<listitem>
<para>
Allow <literal>indexedcol op ANY(ARRAY[...])</> conditions to be
used in plain indexscans (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Improve heuristics for determining the type of unknown values by
considering other data types involved in the operation (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Allow better matching of index columns with non-default operator
qualifications (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Improve the planner's ability to use nested loops with inner
index scans (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Support <function>MIN</>/<function>MAX</> index optimizations on
boolean columns (Marti Raudsepp, Abhijit Menon-Sen)
</para>
</listitem>
</itemizedlist>
<sect5>
......@@ -704,39 +707,39 @@
subqueries (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Improve optimizer estimation for subqueries using
<literal>DISTINCT</> (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Collect and use element-frequency statistics for arrays (Alexander
Korotkov, Noah Misch, Nathan Boley, Tom Lane, Daniele Varrazzo)
</para>
<para>
This patch improves selectivity estimation for the array &lt;@,
&amp;&amp;, and @&gt; (containment and overlaps) array operators.
</para>
</listitem>
<listitem>
<para>
Improve costing of partial indexes (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Allow analyze statistics to be collected for foreign tables
(Etsuro Fujita, Shigeru Hanada, Tom Lane)
</para>
</listitem>
</itemizedlist>
</sect5>
......@@ -754,22 +757,22 @@
linkend="auth-pg-hba-conf"><filename>pg_hba.conf</filename></link>
include superusers (Andrew Dunstan, Robert Haas)
</para>
<para>
This makes it easier to use reject lines with group roles.
</para>
</listitem>
<listitem>
<para>
Make superuser imply replication privilege (Noah Misch)
</para>
<para>
This avoids the need to explicitly assign such privileges.
</para>
</listitem>
<listitem>
<para>
Adjust <filename>pg_hba.conf</filename> processing to more
......@@ -777,17 +780,17 @@
Herrera, Pavel Stehule)
</para>
</listitem>
<listitem>
<para>
Disallow empty <filename>pg_hba.conf</filename> files (Tom Lane)
</para>
<para>
This was done to more quickly report misconfiguration.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -803,31 +806,31 @@
(Marti Raudsepp, <acronym>PDXPUG</>, Tom Lane)
</para>
</listitem>
<listitem>
<para>
Make logging of autovacuum I/O activity more verbose (Greg Smith,
Noah Misch)
</para>
<para>
This logging is triggered by <link
linkend="guc-log-autovacuum-min-duration"><varname>log_autovacuum_min_duration</></link>.
</para>
</listitem>
<listitem>
<para>
Have <acronym>WAL</acronym> replay report failures sooner
(Fujii Masao)
</para>
<para>
There were some cases where failures were only reported once the
server went into master mode.
</para>
</listitem>
<listitem>
<para>
Add <link
......@@ -835,18 +838,18 @@
to simplify xlog comparisons (Euler Taveira de Oliveira, Fujii
Masao, Magnus Hagander)
</para>
<para>
This is useful for computing replication lag.
</para>
</listitem>
<listitem>
<para>
Support configurable eventlog application names on Windows (MauMau,
Magnus Hagander)
</para>
<para>
This allows different instances to use the eventlog
with different identifiers, by setting the <link
......@@ -855,14 +858,14 @@
linkend="guc-syslog-ident"><varname>syslog_ident</></link> works.
</para>
</listitem>
<listitem>
<para>
Change "unexpected EOF" message to <literal>DEBUG1</> level
(Magnus Hagander)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -879,14 +882,14 @@
system view (Tomas Vondra)
</para>
</listitem>
<listitem>
<para>
Add a deadlock counter to the <structname>pg_stat_database</>
system view (Magnus Hagander, Jaime Casanova)
</para>
</listitem>
<listitem>
<para>
Add a <acronym>GUC</acronym> setting <link
......@@ -894,7 +897,7 @@
to track I/O timings (Ants Aasma, Greg Smith, Robert Haas)
</para>
</listitem>
<listitem>
<para>
Report checkpoint timing information in <link
......@@ -902,7 +905,7 @@
(Greg Smith, Peter Geoghegan, Robert Haas)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -919,7 +922,7 @@
to be set per-session by superusers, not just per-cluster (Noah
Misch, Shigeru Hanada)
</para>
<para>
This allows <varname>deadlock_timeout</> to be reduced for
transactions that are likely to be involved in a deadlock,
......@@ -944,39 +947,39 @@
Sending Servers" (Fujii Masao)
</para>
</listitem>
<listitem>
<para>
Allow a superuser to <command>SET</command> an extension's
superuser-only custom variable before loading the associated
extension (Tom Lane)
</para>
<para>
The system now remembers whether a <command>SET</command> was
performed by a superuser.
</para>
</listitem>
<listitem>
<para>
Add <link linkend="app-postmaster">postmaster</link> <option>-C</>
option to query configuration parameters (Bruce Momjian)
</para>
<para>
This allows <application>pg_ctl</> to better handle
configuration-only directory installations.
</para>
</listitem>
<listitem>
<para>
Force the locale to be recorded more specifically, rather than
using the empty string to mean the default (Tom Lane)
</para>
</listitem>
</itemizedlist>
<sect5>
......@@ -991,32 +994,32 @@
Andy Colson)
</para>
</listitem>
<listitem>
<para>
Allow a reload of <filename>postgresql.conf</filename> to be
processed by all backends even if there are some settings that
are invalid for that session (Alexey Klyukin, Andy Colson)
</para>
<para>
Previously, such not-valid-for-session errors would cause all
setting changes to be ignored by that backend.
</para>
</listitem>
<listitem>
<para>
Add an <literal>include_if_exists</> facility for configuration
files (Greg Smith, Euler Taveira de Oliveira)
</para>
<para>
This works the same as <literal>include</>, except that an error
is not thrown if the file is missing.
</para>
</listitem>
<listitem>
<para>
Check the server time zone during initdb, and set
......@@ -1025,12 +1028,12 @@
<link linkend="guc-log-timezone"><varname>log_timezone</></link>
accordingly (Tom Lane)
</para>
<para>
This avoids expensive time zone probes during server start.
</para>
</listitem>
<listitem>
<para>
Allow Windows to report
......@@ -1039,11 +1042,11 @@
(Tom Lane)
</para>
</listitem>
</itemizedlist>
</sect5>
</sect4>
</sect3>
......@@ -1061,14 +1064,14 @@
Allow streaming replications slaves to serve other slaves (Fujii
Masao, Simon Riggs)
</para>
<para>
Previously, only the master server could supply streaming
replication log files to standby servers. Slaves can also now
do continuous archiving. (?)
</para>
</listitem>
<listitem>
<para>
Add new <link
......@@ -1076,13 +1079,13 @@
replication mode <literal>remote_write</> (Fujii Masao and
Simon Riggs)
</para>
<para>
This only writes data to the socket, but does not wait a write
to the remote disk.
</para>
</listitem>
<listitem>
<para>
Add a <link
......@@ -1091,18 +1094,18 @@
than waiting for completed xlog files (Magnus Hagander)
</para>
</listitem>
<listitem>
<para>
Send keepalive messages to standby servers (Simon Riggs)
</para>
<para>
This allows administrators to accurately calculate streaming
replication transfer and application latency.
</para>
</listitem>
</itemizedlist>
<sect5>
......@@ -1115,27 +1118,27 @@
Allow streaming of xlog files while <application>pg_basebackup</>
is performing a backup (Magnus Hagander)
</para>
<para>
This allows passing of xlog files to the standby before they are
discarded on the primary.
</para>
</listitem>
<listitem>
<para>
Allow <application>pg_basebackup</> to pull from standby servers
(Jun Ishizuka, Fujii Masao)
</para>
</listitem>
<listitem>
<para>
Exclude the postmaster.opts file from <application>pg_basebackup</>
backups (Magnus Hagander)
</para>
</listitem>
</itemizedlist>
</sect5>
......@@ -1153,55 +1156,55 @@
Improve columns labels produced by subqueries (Marti Raudsepp,
Kyotaro Horiugchi)
</para>
<para>
Previously, the generic label <literal>?column?</> was used.
</para>
</listitem>
<listitem>
<para>
Preserve column names in row expressions (Andrew Dunstan, Tom Lane)
</para>
</listitem>
<listitem>
<para>
Cancel queries if clients get disconnected (Florian Pflug, Greg
Jaskiewicz)
</para>
</listitem>
<listitem>
<para>
Silently ignore nonexistent schemas specified in <link
linkend="guc-search-path"><varname>search_path</></link> (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Warn about casts to and from domain types (Robert Haas)
</para>
<para>
Such casts have no effect.
</para>
</listitem>
<listitem>
<para>
When a row fails a <literal>CHECK</> or <literal>NOT NULL</>
constraint, show the row's contents in errdetail (Jan
Kundr&aacute;t, Royce Ausburn, Tom Lane)
</para>
<para>
This should make it easier to identify which row is problematic
when an insert or update is processing many rows.
</para>
</listitem>
</itemizedlist>
</sect3>
......@@ -1217,19 +1220,19 @@
<acronym>DDL</acronym> (Robert Haas, Noah Misch)
</para>
</listitem>
<listitem>
<para>
Add <literal>CONCURRENTLY</> option to <link
linkend="SQL-DROPINDEX"><command>DROP INDEX
CONCURRENTLY</command></link> (Simon Riggs)
</para>
<para>
This allows index removal without blocking other sessions.
</para>
</listitem>
</itemizedlist>
<sect4>
......@@ -1243,13 +1246,13 @@
constraints to be declared <literal>NOT VALID</> (&Aacute;lvaro
Herrera, Thom Brown, Dean Rasheed, Jaime Casanova)
</para>
<para>
A <literal>NOT VALID</> <literal>CHECK</> constraint can be added
to a table without the table's data being verified against the
constraint. New rows are verified.
</para>
<para>
Such constraints are ignored by the planner when considering
<varname>constraint_exclusion</>. <command>ALTER TABLE</command> /
......@@ -1259,38 +1262,38 @@
cached plans.
</para>
</listitem>
<listitem>
<para>
Allow <literal>CHECK</> constraints to be declared <literal>NO
INHERIT</> (Nikhil Sontakke, Alex Hunsaker)
</para>
<para>
This makes them enforceable only on the parent table, not on
child tables.
</para>
</listitem>
<listitem>
<para>
Add the ability to <link linkend="SQL-ALTERTABLE">rename</link>
constraints (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Disallow merging of <literal>ONLY</> and non-<literal>ONLY</>
constraints in child tables (Nikhil Sontakke)
</para>
<para>
Such merging would cause unpredictable behavior in grandchild
tables.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1307,19 +1310,19 @@
operations (Noah Misch) DUPLICATE?
</para>
</listitem>
<listitem>
<para>
Add <literal>IF EXIST</> clause to <command>ALTER</command>
commands (Pavel Stehule)
</para>
<para>
For example, <command>ALTER FOREIGN TABLE IF EXISTS foo RENAME
TO bar</command>.
</para>
</listitem>
<listitem>
<para>
Add <link linkend="SQL-ALTERFOREIGNDATAWRAPPER"><command>ALTER
......@@ -1328,31 +1331,31 @@
SERVER</command></link> / <literal>RENAME</> (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Add <link linkend="SQL-ALTERDOMAIN"><command>ALTER
DOMAIN</command></link> / <literal>RENAME</> (Peter Eisentraut)
</para>
<para>
You could already rename domains using <command>ALTER
TYPE</command>.
</para>
</listitem>
<listitem>
<para>
Throw an error for <command>ALTER DOMAIN</command> / <literal>DROP
CONSTRAINT</> on a nonexistent constraint (Peter Eisentraut)
</para>
<para>
An <literal>IF EXISTS</> option has been added to enable the
previous behavior.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1369,37 +1372,37 @@
(Tom Lane)
</para>
</listitem>
<listitem>
<para>
Support <command>CREATE TABLE (LIKE ...)</command> from foreign
tables and views (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Allow <command>CREATE TABLE (LIKE ...)</command> from composite
type (Peter Eisentraut)
</para>
<para>
This also allows a table to be created whose schema matches a view.
</para>
</listitem>
<listitem>
<para>
Tighten creation of tables in temporary schemas (Robert Haas)
</para>
<para>
Previously, it was possible to create unlogged tables in temporary
schemas, and temporary tables in the temporary schemas of other
sessions.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1415,14 +1418,14 @@
linkend="SQL-CREATEVIEW"><literal>security_barrier</></link>
option for views (KaiGai Kohei, Noah Misch)
</para>
<para>
This prevents <literal>security_barrier</> views from being moved
into other scopes, preventing possible leakage of view-prohibited
data. Such views might perform more poorly.
</para>
</listitem>
<listitem>
<para>
Add a new <link
......@@ -1431,13 +1434,13 @@
into <literal>security_barrier</> views (KaiGai Kohei)
</para>
</listitem>
<listitem>
<para>
Add support for privileges on date types (Peter Eisentraut,
Yeb Havinga)
</para>
<para>
This adds support for the <acronym>SQL</>-conforming
<literal>USAGE</> privilege on types and domains. The intent is
......@@ -1445,14 +1448,14 @@
which restricts the way in which owners can alter types.
</para>
</listitem>
<listitem>
<para>
Check for <command>INSERT</command> privileges in <command>SELECT
INTO</command> / <command>CREATE TABLE AS</command> (KaiGai Kohei,
Albe Laurenz)
</para>
<para>
Because the object is being created by <command>SELECT
INTO</command> or <command>CREATE TABLE AS</command>, it will
......@@ -1460,7 +1463,7 @@
PRIVILEGES</> has removed such permissions, hence the need for
a permission check.
</para>
</listitem>
</listitem>
</itemizedlist>
......@@ -1478,13 +1481,13 @@
Allow vacuum to more easily skip pages that cannot be locked
(Simon Riggs, Robert Haas)
</para>
<para>
This change should greatly reduce the incidence of vacuum getting
"stuck".
</para>
</listitem>
</itemizedlist>
<sect4>
......@@ -1498,26 +1501,26 @@
and written (Robert Haas, Fujii Masao, Greg Smith)
</para>
</listitem>
<listitem>
<para>
Have <command>EXPLAIN ANALYZE</command> report the number of rows
rejected by filter steps (Marko Tiikkaja, Marc Cousin)
</para>
</listitem>
<listitem>
<para>
Allow <command>EXPLAIN</command> to avoid timing overhead when
time values are unwanted (Tomas Vondra, Eric Theise)
</para>
<para>
This is accomplished by setting <literal>TIMING</> to
<literal>FALSE</>.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1534,13 +1537,13 @@
Add a <link linkend="datatype-json"><type>JSON</type></link>
data type (Robert Haas) AUTHOR?
</para>
<para>
This stores <acronym>JSON</acronym> data as text after proper
validation.
</para>
</listitem>
<listitem>
<para>
Add <link
......@@ -1548,38 +1551,38 @@
and <function>row_to_json()</> (Andrew Dunstan, Abhijit Menon-Sen)
</para>
</listitem>
<listitem>
<para>
Add support for <link linkend="rangetypes">range data types</link>
(Jeff Davis, Tom Lane, Alexander Korotkov)
</para>
<para>
The range data type records a lower and upper bound, and supports
operations like contains, overlaps, and intersection.
</para>
</listitem>
<listitem>
<para>
Add <link linkend="datatype-serial"><type>SMALLSERIAL</></link>
data type (Mike Pultz, Brar Piening, Josh Kupershmidt)
</para>
<para>
This is like <type>SERIAL</>, except it stores the sequence in
a two-byte integer column (int2).
</para>
</listitem>
<listitem>
<para>
Allow <link linkend="SQL-CREATEDOMAIN">domains</link> to be
declared <literal>NOT VALID</> (&Aacute;lvaro Herrera, Thom Brown,
Dean Rasheed, Jaime Casanova, Peter Eisentraut)
</para>
<para>
This can be set at domain creation time, or via
<command>ALTER DOMAIN</command> / <literal>ADD CONSTRAINT / NOT
......@@ -1587,19 +1590,19 @@
CONSTRAINT</> fully validates the domain.
</para>
</listitem>
<listitem>
<para>
Support more locale-specific formatting options for the <link
linkend="datatype-money">MONEY</link> data type (Tom Lane)
</para>
<para>
Specifically, display the plus/minus sign, currency symbol,
and separators in a locale-specific order. CORRECT?
</para>
</listitem>
<listitem>
<para>
Add bitwise "and", "or", and "not" <link
......@@ -1607,7 +1610,7 @@
data type (Brendan Jurd, Fujii Masao)
</para>
</listitem>
</itemizedlist>
<sect4>
......@@ -1621,13 +1624,13 @@
<acronym>XML</acronym> array when supplied a scalar value (Florian
Pflug, Radoslaw Smogura)
</para>
<para>
Previously, it returned an empty array. This change will also
cause <function>xpath_exists()</> to return true, not false,
for such expressions.
</para>
</listitem>
</listitem>
<listitem>
<para>
......@@ -1653,12 +1656,12 @@
linkend="functions-admin-signal"><function>pg_cancel_backend()</></link>
(Magnus Hagander)
</para>
<para>
Previously only the superuser could cancel queries.
</para>
</listitem>
<listitem>
<para>
Allow <link
......@@ -1666,23 +1669,23 @@
to process bytea values (Pavel Stehule, Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Allow regular expressions to use back-references (Tom Lane)
</para>
<para>
For example, '^(\w+)( \1)+$'.
</para>
</listitem>
<listitem>
<para>
Allow importing and exporting of transaction snapshots (Joachim
Wieland, Marko Tiikkaja, Tom Lane)
</para>
<para>
Snapshots are exported via <link
linkend="functions-snapshot-synchronization"><function>pg_export_snapshot()</></link>,
......@@ -1690,19 +1693,19 @@
Only snapshots of currently-running transactions can be imported.
</para>
</listitem>
<listitem>
<para>
Support <link
linkend="functions-info-catalog-table"><literal>COLLATION
FOR</></link> on expressions (Peter Eisentraut, Jaime Casanova)
</para>
<para>
This returns a string representing the collation of the expression.
</para>
</listitem>
<listitem>
<para>
Add a <type>NUMERIC</> variant of <link
......@@ -1710,7 +1713,7 @@
for use with <function>pg_xlog_location_diff()</> (Fujii Masao)
</para>
</listitem>
</itemizedlist>
<sect4>
......@@ -1723,24 +1726,24 @@
Change default names of triggers to fire "action" triggers before
"check" triggers (Tom Lane)
</para>
<para>
This allows default-named check triggers to check post-action rows.
</para>
</listitem>
<listitem>
<para>
Add a <link
linkend="functions-info-session-table"><function>pg_trigger_depth()</></link>
function (Kevin Grittner)
</para>
<para>
This reports the current trigger call depth.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1762,21 +1765,21 @@
Allow per-column foreign data wrapper options and
<literal>force_not_null</> (Shigeru Hanada, KaiGai Kohei)
</para>
<para>
This allows <acronym>SQL</acronym> specification of per-column
information useful to foreign data sources. Includes
<application>psql</> option display support.
</para>
</listitem>
<listitem>
<para>
Improve pretty printing of view definitions (Andrew Dunstan,
Hitoshi Harada)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1801,52 +1804,52 @@
(Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Implement information schema <varname>interval_type</> columns
(Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Add collation columns to various information schema views (Peter
Eisentraut)
</para>
<para>
Specifically, provide collation columns for views referencing
attributes, columns, domains, and <varname>element_types</>.
</para>
</listitem>
<listitem>
<para>
Add display of sequence <literal>USAGE</> privileges to information
schema (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Add a <varname>with_hierarchy</> column to the information schema
privileges display (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Have the information schema show default privileges (Peter
Eisentraut, Abhijit Menon-Sen)
</para>
<para>
Previously, default permissions generated <literal>NULL</> fields.
(WAS IT NULL?)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1867,7 +1870,7 @@
parameters by name (Yeb Havinga, Kevin Grittner, Tom Lane)
</para>
</listitem>
<listitem>
<para>
Add a <command>GET STACKED DIAGNOSTICS</command> PL/pgSQL command
......@@ -1875,28 +1878,28 @@
David Wheeler)
</para>
</listitem>
<listitem>
<para>
Speed up PL/pgSQL array assignment by caching type information
(Pavel Stehule)
</para>
</listitem>
<listitem>
<para>
Improve performance and memory consumption of the PL/pgSQL
<literal>ELSIF</> clauses (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Output the function signature, not just the name, in PL/pgSQL
error messages (Pavel Stehule, Abhijit Menon-Sen, Tom Lane)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1912,7 +1915,7 @@
(Andrew Dunstan) DETAILS?
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1927,7 +1930,7 @@
Add PL/Python <acronym>SPI</acronym> cursor support (Jan
Urbanski, Steve Singer)
</para>
<para>
This allows PL/Python to read partial result sets.
</para>
......@@ -1938,13 +1941,13 @@
Add result metadata functions to PL/Python (Peter Eisentraut,
Abhijit Menon-Sen)
</para>
<para>
Specifically, this adds result object functions .colnames,
.coltypes, and .coltypmods.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -1958,14 +1961,14 @@
Allow <acronym>SQL</acronym>-language functions to reference
parameters by name (Matthew Draper, Hitoshi Harada)
</para>
<para>
To use this, simply name the function arguments and reference
the argument names in the <acronym>SQL</acronym> function body.
</para>
</listitem>
</itemizedlist>
</itemizedlist>
</sect4>
</sect3>
......@@ -1981,14 +1984,14 @@
options <option>--auth-local</> and <option>--auth-host</>
(Peter Eisentraut, Pavel Stehule)
</para>
<para>
This allows individual control of <literal>local</> and
<literal>host</> <filename>pg_hba.conf</filename> authentication
settings. <option>--auth</> still controls both.
</para>
</listitem>
<listitem>
<para>
Add <option>--replication</>/<option>--no-replication</> flags to
......@@ -1997,7 +2000,7 @@
Villemain)
</para>
</listitem>
<listitem>
<para>
Add the <option>--if-exists</> option to <link
......@@ -2006,7 +2009,7 @@
Kupershmidt)
</para>
</listitem>
<listitem>
<para>
Give command-line tools the ability to specify the name of the
......@@ -2014,7 +2017,7 @@
if a <literal>postgres</> database connection fails (Robert Haas)
</para>
</listitem>
</itemizedlist>
<sect4>
......@@ -2027,111 +2030,111 @@
Add <application>psql</> mode to auto-expand output based on the
display width (Peter Eisentraut, Noah Misch)
</para>
<para>
This adds the <literal>auto</> option to the <command>\x</>
command, which switches to the expanded mode when the normal
output would be wider than the screen.
</para>
</listitem>
<listitem>
<para>
Allow inclusion of <application>psql</> files relative to the
directory of the input file from which it was invoked (Gurjeet
Singh, Josh Kupershmidt)
</para>
<para>
The <application>psql</> command is <command>\ir</>.
</para>
</listitem>
<listitem>
<para>
Add support for non-<acronym>ASCII</acronym> characters in
<application>psql</> variable names (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Add support for major-version-specific <filename>.psqlrc</> files
(Bruce Momjian)
</para>
<para>
<application>psql</> already supported minor-version-specific
<filename>.psqlrc</>
files.
</para>
</listitem>
<listitem>
<para>
Provide environment variable overrides for <application>psql</>
history and startup file locations (Andrew Dunstan)
</para>
<para>
Specifically, <envar>PSQL_HISTORY</envar> and
<envar>PSQLRC</envar>.
</para>
</listitem>
<listitem>
<para>
Add a <application>psql</> <command>\setenv</> command to modify
the environment variables used by child processes (Andrew Dunstan,
Josh Kupershmidt)
</para>
<para>
This is useful in <filename>.psqlrc</> files.
</para>
</listitem>
<listitem>
<para>
Have <application>psql</> temporary editor files use a
<filename>.sql</> extension (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Allows <application>psql</> to use zero-byte field and record
separators (Peter Eisentraut, Abhijit Menon-Sen)
</para>
<para>
Various shell tools use zero/null-byte separators, e.g. find.
</para>
</listitem>
<listitem>
<para>
Have <application>psql</> <command>\timing</> report times for
failed queries (Magnus Hagander)
</para>
<para>
Previously only successful query times were reported.
</para>
</listitem>
<listitem>
<para>
Have <application>psql</> <command>\copy</> use libpq's
<function>SendQuery()</> (Noah Misch)
</para>
<para>
This makes <command>\copy</> failure behavior more predictable,
and honors <envar>ON_ERROR_ROLLBACK</>.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -2146,14 +2149,14 @@
table/column name owning it (Magnus Hagander)
</para>
</listitem>
<listitem>
<para>
Show statistics target for columns in <application>psql</>
<command>\d+</> (Magnus Hagander)
</para>
</listitem>
<listitem>
<para>
Show role password expiration dates in <application>psql</>
......@@ -2173,24 +2176,24 @@
Allow <application>psql</> to display comments for languages and
casts (Josh Kupershmidt)
</para>
<para>
These are output via <command>\dL</> and <command>\dC</>.
</para>
</listitem>
<listitem>
<para>
Allow <application>psql</> to display comments for conversions
and domains (Josh Kupershmidt)
</para>
<para>
This is accomplished with the addition of <literal>+</> to
<command>\dc</> and <command>\dD</> commands.
</para>
</listitem>
<listitem>
<para>
Allow <application>psql</> to display the comments on
......@@ -2198,14 +2201,14 @@
mode (Josh Kupershmidt)
</para>
</listitem>
<listitem>
<para>
Change <application>psql</>'s <command>\dd</> command to display
only objects without their own backslash command (Josh Kupershmidt)
</para>
</listitem>
</itemizedlist>
</sect5>
......@@ -2225,14 +2228,14 @@
the partially-supplied word (Peter Eisentraut, Fujii Masao)
</para>
</listitem>
<listitem>
<para>
Add <application>psql</> tab completion support for
<command>EXECUTE</command> (Andreas Karlsson, Josh Kupershmidt)
</para>
</listitem>
<listitem>
<para>
Allow tab completion of role references in
......@@ -2240,21 +2243,21 @@
Eisentraut, Pavel Stehule)
</para>
</listitem>
<listitem>
<para>
Allow tab completion of file names to supply quotes, when necessary
(Noah Misch)
</para>
</listitem>
<listitem>
<para>
Change <application>psql</> tab completion support for
<command>TABLE</command> to also display views (Magnus Hagander)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -2269,19 +2272,19 @@
Add an <option>--exclude-table-data</> option to
<application>pg_dump</> (Andrew Dunstan)
</para>
<para>
This allows dumping of a table's definition but not its data,
on a per-table basis.
</para>
</listitem>
<listitem>
<para>
Add a <option>--section</> option to <application>pg_dump</>
and <application>pg_restore</> (Andrew Dunstan, Joachim Wieland)
</para>
<para>
Valid values are <literal>pre-data</>, <literal>data</>,
and <literal>post-data</>. The option can be
......@@ -2291,20 +2294,20 @@
<literal>--section=data</>.
</para>
</listitem>
<listitem>
<para>
Have <link
linkend="APP-PG-DUMPALL"><application>pg_dumpall</></link> dump all
roles first, then all configuration settings on roles (Phil Sorber)
</para>
<para>
This allows a role's configuration settings to rely on other
roles without generating an error.
</para>
</listitem>
<listitem>
<para>
Allow <application>pg_dumpall</> to avoid errors if the
......@@ -2312,24 +2315,24 @@
(Robert Haas)
</para>
</listitem>
<listitem>
<para>
Dump foreign server user mappings in user name order (Peter
Eisentraut)
</para>
<para>
This helps produce deterministic dump files.
</para>
</listitem>
<listitem>
<para>
Dump operators in a predictable order (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Tighten rules for when extension configuration tables are dumped
......@@ -2353,37 +2356,37 @@
Add <acronym>URI</acronym>s support to libpq connection functions
(Alexander Shulgin)
</para>
<para>
The syntax begins with <literal>postgres://</>.
</para>
</listitem>
<listitem>
<para>
Add a libpq <link linkend="libpq-connect-sslcompression">connection
option</link> to disable <acronym>SSL</acronym> compression
(Laurenz Albe)
</para>
<para>
This can be used to remove the overhead of <acronym>SSL</acronym>
compression on fast networks.
</para>
</listitem>
<listitem>
<para>
Add a row processor <acronym>API</acronym> to libpq for better
handling of large result sets (Kyotaro Horiguchi, Marko Kreen)
</para>
<para>
Previously, libpq collected the entire query result into memory
before passing it back to the application.
</para>
</listitem>
<listitem>
<para>
Enhance <literal>const</> qualifiers in the libpq functions
......@@ -2391,33 +2394,33 @@
Elie Mamane, Craig Ringer)
</para>
</listitem>
<listitem>
<para>
Allow libpq's <filename>.pgpass</> file to process escaped characters
in the password field (Robert Haas, Ross Reedstrom)
</para>
</listitem>
<listitem>
<para>
Have library functions use <function>abort()</> instead of
<function>exit()</> to terminate the executable (Peter Eisentraut)
</para>
<para>
This does not interfere with the normal exit codes used by the
program, and generates a signal that can be caught by the caller.
</para>
</listitem>
<listitem>
<para>
Fix a libpq memory leak by freeing client encoding connection
parameters (Peter Eisentraut)
</para>
</listitem>
</itemizedlist>
</sect3>
......@@ -2433,123 +2436,123 @@
Visual Studio 2010</link> (Brar Piening, Craig Ringer)
</para>
</listitem>
<listitem>
<para>
Enable compiling with the MinGW-w64 32-bit compiler (Lars Kanis,
Nishiyama Tomoaki)
</para>
</listitem>
<listitem>
<para>
Install <filename>plpgsql.h</> into <filename>include/server</> during installation
(Heikki Linnakangas)
</para>
</listitem>
<listitem>
<para>
Use C flexible array members, where supported (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Improve the concurrent transaction regression tests
(isolationtester) (Noah Misch, Alexander Shulgin)
</para>
</listitem>
<listitem>
<para>
Modify <application>thread_test</> to create its test files in
the current directory, rather than /tmp (Bruce Momjian)
</para>
</listitem>
<listitem>
<para>
Improve flex and bison warning and error reporting (Tom Lane,
Noah Misch)
</para>
</listitem>
<listitem>
<para>
Add memory barrier support (Robert Haas)
</para>
<para>
This is currently unused.
</para>
</listitem>
<listitem>
<para>
Modify pgindent to use a typedef file (Bruce Momjian)
</para>
</listitem>
<listitem>
<para>
Add a hook for processing messages due to be sent to the server
log (Martin Pihlak, Marti Raudsepp)
</para>
</listitem>
<listitem>
<para>
Add object access hooks for <command>DROP</command> commands
(KaiGai Kohei)
</para>
</listitem>
<listitem>
<para>
Centralize <command>DROP</command> handling for some object types
(KaiGai Kohei)
</para>
</listitem>
<listitem>
<para>
Add a <application>pg_upgrade</> test suite (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Sync regular expression code with <acronym>TCL</acronym> 8.5.11
and improve internal processing (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Move <acronym>CRC</acronym> tables to libpgport, and provide them
in a separate include file (Daniel Farina, Abhijit Menon-Sen)
</para>
</listitem>
<listitem>
<para>
Add options to <application>git_changelog</> for use in major
release note creation (Bruce Momjian)
</para>
</listitem>
<listitem>
<para>
Remove dead ports (Peter Eisentraut)
</para>
<para>
The removed ports are: dgux, nextstep, sunos4, svr4, ultrix4,
univel, bsdi.
</para>
</listitem>
</itemizedlist>
</sect3>
......@@ -2565,13 +2568,13 @@
using libpq's new row processor <acronym>API</acronym> (Kyotaro
Horiguchi, Marko Kreen)
</para>
<para>
This cannot be used by
<function>dblink_send_query()</>/<function>dblink_get_result()</>.
</para>
</listitem>
<listitem>
<para>
Add <link linkend="tcn">tcn</link> (triggered change notification)
......@@ -2579,19 +2582,19 @@
(Kevin Grittner)
</para>
</listitem>
<listitem>
<para>
Implement dry-run mode for <link
linkend="pgarchivecleanup"><application>pg_archivecleanup</></link>
(Gabriele Bartolini, Josh Kupershmidt)
</para>
<para>
This only outputs the names of files to be deleted.
</para>
</listitem>
<listitem>
<para>
Add new <link linkend="pgbench">pgbench</link> switches
......@@ -2599,7 +2602,7 @@
<option>--index-tablespace</> (Robert Haas)
</para>
</listitem>
<listitem>
<para>
Have <link linkend="vacuumlo">vacuumlo</link> remove large objects
......@@ -2612,7 +2615,7 @@
objects removed per transaction.
</para>
</listitem>
<listitem>
<para>
Change <link
......@@ -2620,13 +2623,13 @@
for a fixed amount of time, rather than a fixed number of cycles
(Bruce Momjian)
</para>
<para>
The <option>-o</>/cycles option was removed, and
<option>-s</>/seconds added.
</para>
</listitem>
<listitem>
<para>
Add a <link
......@@ -2635,7 +2638,7 @@
Aasma, Greg Smith)
</para>
</listitem>
</itemizedlist>
<sect4>
......@@ -2649,7 +2652,7 @@
does not have a <literal>postgres</> database (Bruce Momjian)
</para>
</listitem>
<listitem>
<para>
Allow <application>pg_upgrade</> to handle cases where some
......@@ -2657,31 +2660,31 @@
(Bruce Momjian)
</para>
</listitem>
<listitem>
<para>
Allow <application>pg_upgrade</> to handle configuration-only
directory installations (Bruce Momjian)
</para>
</listitem>
<listitem>
<para>
In <application>pg_upgrade</>, add <option>-o</>/<option>-O</>
options to pass parameters to the servers (Bruce Momjian)
</para>
<para>
This is useful for configuration-only directory installs.
</para>
</listitem>
<listitem>
<para>
Change <application>pg_upgrade</> to use port 50432 by default
(Bruce Momjian)
</para>
<para>
This helps avoid unintended client connections during the upgrade.
</para>
......@@ -2692,7 +2695,7 @@
Overhaul <application>pg_upgrade</> logging and failure reporting
(Bruce Momjian)
</para>
<para>
Create four append-only log files, and delete them on success.
Add <option>-r</>/<option>--retain</> option to unconditionally
......@@ -2701,13 +2704,13 @@
and tighten log file permissions.
</para>
</listitem>
<listitem>
<para>
Adjust <application>pg_upgrade</> environment variables (Bruce
Momjian)
</para>
<para>
Rename data, bin, and port environment
variables to begin with <literal>PG</>, and support
......@@ -2715,31 +2718,31 @@
<envar>PGPORT</envar>. INCOMPATIBILITY?
</para>
</listitem>
<listitem>
<para>
Have <application>pg_upgrade</> create a script to incrementally
generate more accurate optimizer statistics (Bruce Momjian)
</para>
<para>
This reduces the time needed to generate minimal cluster statistics
after an upgrade.
</para>
</listitem>
<listitem>
<para>
Reduce cluster locking in <application>pg_upgrade</> (Bruce
Momjian)
</para>
<para>
Specifically, only lock the old cluster if link mode is used,
and do it right after the schema is restored.
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -2755,7 +2758,7 @@
queries (Peter Geoghegan, Daniel Farina, Tom Lane)
</para>
</listitem>
<listitem>
<para>
Improve <application>pg_stat_statements</>' handling of
......@@ -2763,7 +2766,7 @@
(Tom Lane)
</para>
</listitem>
<listitem>
<para>
Add dirtied and written block counts to
......@@ -2771,7 +2774,7 @@
Greg Smith)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -2785,40 +2788,40 @@
Support <literal>SECURITY LABEL</> on global objects (KaiGai Kohei,
Robert Haas)
</para>
<para>
Specifically, add <literal>SECURITY LABEL</>s to databases,
tablespaces, and roles.
</para>
</listitem>
<listitem>
<para>
Allow sepgsql to honor database labels (KaiGai Kohei)
</para>
</listitem>
<listitem>
<para>
Perform sepgsql permission checks during the creation of various
objects (KaiGai Kohei, Dimitri Fontaine)
</para>
</listitem>
<listitem>
<para>
Add <function>sepgsql_setcon()</> and related functions to control
the sepgsql security domain (KaiGai Kohei, Yeb Havinga)
</para>
</listitem>
<listitem>
<para>
Add a userspace access cache to sepgsql to improve performance
(KaiGai Kohei)
</para>
</listitem>
</itemizedlist>
</sect4>
......@@ -2834,18 +2837,18 @@
Add a rule to optionally build docs with the stylesheet from the
website (Magnus Hagander)
</para>
<para>
Use <command>make STYLE=website draft</>.
</para>
</listitem>
<listitem>
<para>
Improve <command>EXPLAIN</command> documentation (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Document that user/database names are preserved with double-quoting
......@@ -2853,21 +2856,21 @@
Momjian)
</para>
</listitem>
<listitem>
<para>
Improve the foreign data wrapper <acronym>API</acronym> and
documentation (Hanada Shigeru, KaiGai Kohei)
</para>
</listitem>
<listitem>
<para>
Document the actual string returned by the client for MD5
authentication (Cyan Ogilvie)
</para>
</listitem>
</itemizedlist>
</sect3>
......
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