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Do a round of copy-editing on the 9.5 release notes.

Browse Source 
Also fill in the previously empty "major enhancements" list.  YMMV as to
which items should make the cut, but it's past time we had something more
than a placeholder here.

(I meant to get this done before beta2 was wrapped, but got distracted by
PDF build problems.  Better late than never.)
pull/14/head^2
Tom Lane 10 years ago
parent 6404751ce9
commit 39b9978d9c
1 changed files with 167 additions and 104 deletions
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  1. 271
      doc/src/sgml/release-9.5.sgml

271
doc/src/sgml/release-9.5.sgml
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@ -23,7 +23,50 @@
<listitem>
<para>
... to be filled in ...
Allow <link linkend="sql-on-conflict"><command>INSERTS</></>
that would generate constraint conflicts to be turned into
<command>UPDATE</>s or ignored
</para>
</listitem>
<listitem>
<para>
Add <literal>GROUP BY</> analysis functions <link
linkend="queries-grouping-sets"><literal>GROUPING SETS</></>,
<link linkend="queries-grouping-sets"><literal>CUBE</></> and
<link linkend="queries-grouping-sets"><literal>ROLLUP</></>
</para>
</listitem>
<listitem>
<para>
Add row-level security control
</para>
</listitem>
<listitem>
<para>
Allow <link linkend="pg-replication-origin-create">labeling</> of
the origin of logical replication changes, and provide mechanisms
for tracking the progress of replication
</para>
</listitem>
<listitem>
<para>
Add <link linkend="BRIN">Block Range Indexes</> (<acronym>BRIN</>)
</para>
</listitem>
<listitem>
<para>
Substantial performance improvements for sorting
</para>
</listitem>
<listitem>
<para>
Substantial performance improvements for multi-CPU machines
</para>
</listitem>
@ -88,6 +131,11 @@
Change <application>pg_ctl</>'s default shutdown mode from
<literal>smart</> to <literal>fast</> (Bruce Momjian)
</para>
<para>
This means the default behavior will be to forcibly cancel existing
database sessions, not simply wait for them to exit.
</para>
</listitem>
<listitem>
@ -255,8 +303,10 @@ max_wal_size = (3 * checkpoint_segments) * 16MB
</para>
<para>
<acronym>BRIN</> indexes are very compact and cheap to update by
storing min/max values for a range of heap blocks.
<acronym>BRIN</> indexes store only summary data (such as minimum
and maximum values) for ranges of heap blocks. They are therefore
very compact and cheap to update; but if the data is naturally
clustered, they can still provide substantial speedup of searches.
</para>
</listitem>
@ -273,9 +323,9 @@ max_wal_size = (3 * checkpoint_segments) * 16MB
<para>
Previously, a common table expression was required to return a
large number of rows ordered by bounding-box distance, and then
filtered further with a more accurate non-bounding-box distance
calculation.
large number of rows ordered by bounding-box distance, and the
result then had to be filtered further with a more accurate
non-bounding-box distance calculation.
</para>
</listitem>
@ -335,9 +385,9 @@ Add GUC and storage parameter to set the maximum size of GIN pending list.
2015-05-13 [78efd5c] Robert..: Extend abbreviated key infrastructure to datum ..
-->
<para>
Improve the speed of sorting <type>VARCHAR</>, <type>TEXT</>,
and <type>NUMERIC</> fields (Peter Geoghegan, Andrew Gierth,
Robert Haas)
Improve the speed of sorting of <type>varchar</>, <type>text</>,
and <type>numeric</> fields via <quote>abbreviated</> keys
(Peter Geoghegan, Andrew Gierth, Robert Haas)
</para>
</listitem>
@ -358,10 +408,9 @@ Add GUC and storage parameter to set the maximum size of GIN pending list.
2014-09-10 [45f6240] Heikki..: Pack tuples in a hash join batch densely, to sa..
2014-09-12 [8cce08f] Robert..: Change NTUP_PER_BUCKET to 1 to improve hash joi..
2014-10-13 [30d7ae3] Kevin ..: Increase number of hash join buckets for undere..
FIXME: bad description? Should talk about hash joins
-->
<para>
Improve in-memory hash performance (Tomas Vondra, Robert Haas)
Improve performance of hash joins (Tomas Vondra, Robert Haas)
</para>
</listitem>
@ -369,11 +418,10 @@ FIXME: bad description? Should talk about hash joins
<!--
2014-09-25 [5d7962c] Robert..: Change locking regimen around buffer replacement.
2014-12-25 [d72731a] Andres..: Lockless StrategyGetBuffer clock sweep hot path.
FIXME: Add Andres
-->
<para>
Improve concurrency of shared buffer replacement
(Robert Haas, Amit Kapila)
(Robert Haas, Amit Kapila, Andres Freund)
</para>
</listitem>
@ -397,12 +445,8 @@ FIXME: Add Andres
2015-01-19 [2d115e4] Andres..: Fix various shortcomings of the new PrivateRefC..
-->
<para>
Make backend local tracking of buffer pins memory efficient (Andres Freund)
</para>
<para>
Previously each session allocated an array with space for every buffer
in <link linkend="guc-shared-buffers"><varname>shared_buffers</></link>.
Make per-backend tracking of buffer pins more memory-efficient
(Andres Freund)
</para>
</listitem>
@ -425,8 +469,8 @@ FIXME: Add Andres
2014-07-15 [f15821e] Tom Lane: Allow join removal in some cases involving a le..
-->
<para>
Allow the optimizer to remove unnecessary references to left
outer join subqueries (David Rowley)
Allow the optimizer to remove unnecessary references to left-joined
subqueries (David Rowley)
</para>
</listitem>
@ -435,7 +479,7 @@ FIXME: Add Andres
2014-06-27 [d222585] Tom Lane: Allow pushdown of WHERE quals into subqueries w..
-->
<para>
Allow pushdown of query restrictions into <link
Allow pushdown of query restrictions into subqueries with <link
linkend="functions-window">window functions</>, where appropriate
(David Rowley)
</para>
@ -498,19 +542,20 @@ FIXME: Add Andres
</listitem>
<listitem>
<para>
<!--
2014-07-01 [9f03ca9] Robert..: Avoid copying index tuples when building an ind..
-->
Speed up CREATE INDEX by avoiding unnecessary memory copies (Robert Haas)
<para>
Speed up <command>CREATE INDEX</> by avoiding unnecessary memory
copies (Robert Haas)
</para>
</listitem>
<listitem>
<para>
<!--
2014-10-02 [3acc10c9] Robert..: Increase the number of buffer mapping partitio..
-->
<para>
Increase the number of buffer mapping partitions (Amit Kapila,
Andres Freund, Robert Haas)
</para>
@ -534,12 +579,9 @@ FIXME: Add Andres
2015-04-03 [4ff695b1] Alvaro..: Add log_min_autovacuum_duration per-table option
-->
<para>
Add per-table autovacuum logging control via
<varname>log_min_autovacuum_duration</> (Michael Paquier)
</para>
<para>
NOT DOCUMENTED?
Add per-table autovacuum logging control via new
<varname>log_min_autovacuum_duration</> storage parameter
(Michael Paquier)
</para>
</listitem>
@ -677,17 +719,6 @@ FIXME: Add docs about restartpoint behaviour change
<listitem>
<!--
2015-03-11 [57aa5b2] Fujii ..: Add GUC to enable compression of full page imag..
-->
<para>
Add configuration parameter <xref linkend="guc-wal-compression"> to
control compression of full page images stored in <acronym>WAL</>
(Rahila Syed, Michael Paquier)
</para>
</listitem>
<listitem>
<!--
2014-12-03 [73c986a] Alvaro..: Keep track of transaction commit timestamps
-->
<para>
@ -736,7 +767,7 @@ FIXME: Add docs about restartpoint behaviour change
<para>
This means that assertions can no longer be turned
off if they were enabled at compile time, allowing for more
efficient code optimization. This change also removed the <link
efficient code optimization. This change also removes the <link
linkend="app-postgres-options">postgres</> <option>-A</> option.
</para>
</listitem>
@ -789,7 +820,8 @@ FIXME: Add docs about restartpoint behaviour change
<para>
Add <structname>pending_restart</> to the system view <link
linkend="view-pg-settings"><structname>pg_settings</></> to
indicate a change is pending a restart (Peter Eisentraut)
indicate a change has been made but will not take effect until a
database restart (Peter Eisentraut)
</para>
</listitem>
@ -804,7 +836,8 @@ FIXME: Add docs about restartpoint behaviour change
</para>
<para>
This command removes the setting from <filename>postgresql.auto.conf</>.
This command removes the specified setting
from <filename>postgresql.auto.conf</>.
</para>
</listitem>
@ -881,6 +914,23 @@ FIXME: Add docs about restartpoint behaviour change
<listitem>
<!--
2015-03-11 [57aa5b2] Fujii ..: Add GUC to enable compression of full page imag..
-->
<para>
Allow compression of full-page images stored in <acronym>WAL</>
(Rahila Syed, Michael Paquier)
</para>
<para>
This feature reduces WAL volume, at the cost of more CPU time spent
on WAL logging and WAL replay. It is controlled by a new
configuration parameter <xref linkend="guc-wal-compression">, which
currently is off by default.
</para>
</listitem>
<listitem>
<!--
2015-05-08 [de76884] Heikki..: At promotion, archive last segment from old tim..
-->
<para>
@ -910,12 +960,11 @@ FIXME: Add docs about restartpoint behaviour change
<listitem>
<!--
2015-04-29 [5aa2350] Andres..: Introduce replication progress tracking infrast..
2015-03-15 [4f1b890] Andres..: Merge the various forms of transaction commit &..
FIXME: Correct description
-->
<para>
Allow <link linkend="pg-replication-origin-create">labeling</> of
the origin progress of logical replication changes (Andres Freund)
the origin of logical replication changes, and provide mechanisms
for tracking the progress of replication (Andres Freund)
</para>
<para>
@ -926,7 +975,6 @@ FIXME: Correct description
<listitem>
<!--
2015-04-21 [d811c03] Andres..: Add 'active_in' column to pg_replication_slots.
2015-04-21 [d811c03] Andres..: Add 'active_in' column to pg_replication_slots.
-->
<para>
Report the processes holding replication slots in <link
@ -1013,7 +1061,7 @@ FIXME: Correct description
2014-10-07 [df630b0] Alvaro..: Implement SKIP LOCKED for row-level locks
-->
<para>
Add new <link linkend="SQL-SELECT"><command>SELECT</></> option
Add <link linkend="SQL-SELECT"><command>SELECT</></> option
<literal>SKIP LOCKED</> to skip locked rows (Thomas Munro)
</para>
@ -1216,12 +1264,11 @@ FIXME: Correct description
</para>
<para>
Commands include <link linkend="SQL-ALTERUSER"><command>ALTER
USER</></>,
<link linkend="SQL-ALTERGROUP"><command>ALTER
This includes <link linkend="SQL-ALTERUSER"><command>ALTER
USER</></>, <link linkend="SQL-ALTERGROUP"><command>ALTER
GROUP</></>, <link linkend="SQL-ALTERROLE"><command>ALTER
ROLE</></>, <link linkend="SQL-GRANT"><command>GRANT</></>,
and various <command>ALTER OBJECT / OWNER TO</> commands.
and various <command>ALTER <replaceable>object</> OWNER TO</> commands.
</para>
</listitem>
@ -1256,8 +1303,8 @@ FIXME: Correct description
</para>
<para>
Previously only <command>UPDATE</>, <command>DELETE</>, and
<command>TRUNCATE</> privileges allowed this.
Previously this required <command>UPDATE</>, <command>DELETE</>, or
<command>TRUNCATE</> privileges.
</para>
</listitem>
@ -1440,7 +1487,7 @@ FIXME: Better description?
2014-09-09 [57b1085] Peter ..: Allow empty content in xml type
-->
<para>
Allow the <link linkend="datatype-xml"><type>XML</></> data type
Allow the <link linkend="datatype-xml"><type>xml</></> data type
to accept empty or all-whitespace values (Peter Eisentraut)
</para>
@ -1455,7 +1502,7 @@ FIXME: Better description?
2014-10-21 [6f04368] Peter ..: Allow input format xxxx-xxxx-xxxx for macaddr ..
-->
<para>
Allow <link linkend="datatype-macaddr"><type>MACADDR</></> input
Allow <link linkend="datatype-macaddr"><type>macaddr</></> input
using the format <literal>xxxx-xxxx-xxxx</> (Herwin Weststrate)
</para>
</listitem>
@ -1467,7 +1514,7 @@ FIXME: Add more specifics?
-->
<para>
Tighten syntax of <link
linkend="datatype-interval-input"><type>INTERVAL</></> precision
linkend="datatype-interval-input"><type>interval</></> precision
specifications (Bruce Momjian)
</para>
@ -1483,12 +1530,26 @@ FIXME: Add more specifics?
-->
<para>
Add selectivity estimators for <link
linkend="datatype-inet"><type>INET</></>/<link
linkend="datatype-cidr"><type>CIDR</></> operators and improve
linkend="datatype-inet"><type>inet</></>/<link
linkend="datatype-cidr"><type>cidr</></> operators and improve
estimators for text search functions (Emre Hasegeli, Tom Lane)
</para>
</listitem>
<listitem>
<!--
2015-05-09 [0c90f67] Andrew..: Add new OID alias type regrole
2015-05-09 [cb9fa80] Andrew..: Add new OID alias type regnamespace
-->
<para>
Add data
types <link linkend="datatype-oid-table"><type>regrole</></link>
and <link linkend="datatype-oid-table"><type>regnamespace</></link>
that simplify pretty-printing the <type>OID</> of a role or
namespace (Kyotaro Horiguchi)
</para>
</listitem>
</itemizedlist>
<sect4>
@ -1515,8 +1576,8 @@ FIXME: Add more specifics?
2014-12-12 [7e354ab] Andrew..: Add several generator functions for jsonb that ..
-->
<para>
Add several generator functions for <type>JSONB</> that already
existed for <type>JSON</> (Andrew Dunstan)
Add several generator functions for <type>jsonb</> that already
existed for <type>json</> (Andrew Dunstan)
</para>
<para>
@ -1541,8 +1602,8 @@ FIXME: Add more specifics?
-->
<para>
Reduce casting requirements to/from <link
linkend="datatype-json"><type>JSON</></> and <link
linkend="datatype-json"><type>JSONB</></> (Tom Lane)
linkend="datatype-json"><type>json</></> and <link
linkend="datatype-json"><type>jsonb</></> (Tom Lane)
</para>
</listitem>
@ -1551,9 +1612,9 @@ FIXME: Add more specifics?
2015-06-11 [908e234] Andrew..: Rename jsonb - text[] operator to #- to avoid a..
-->
<para>
Allow <type>TEXT</>, <type>TEXT</> array, and <type>INTEGER</>
Allow <type>text</>, <type>text</> array, and <type>integer</>
values to be <link linkend="functions-jsonb-op-table">subtracted</>
from <type>JSONB</> documents (Dmitry Dolgov, Andrew Dunstan)
from <type>jsonb</> documents (Dmitry Dolgov, Andrew Dunstan)
</para>
</listitem>
@ -1562,8 +1623,8 @@ FIXME: Add more specifics?
2015-05-12 [c694701] Andrew..: Additional functions and operators for jsonb
-->
<para>
Add <type>JSONB</> <link
linkend="functions-jsonb-op-table">operator</> <literal>||</>
Add <type>jsonb</> <link
linkend="functions-jsonb-op-table"><literal>||</></> operator
(Dmitry Dolgov, Andrew Dunstan)
</para>
</listitem>
@ -1577,7 +1638,7 @@ FIXME: Add more specifics?
linkend="functions-json-processing-table"><function>json_strip_nulls()</></>
and <link
linkend="functions-json-processing-table"><function>jsonb_strip_nulls()</></>
functions to remove <type>JSON</> null values from documents
functions to remove <type>json</> null values from documents
(Andrew Dunstan)
</para>
</listitem>
@ -1599,7 +1660,7 @@ FIXME: Add more specifics?
-->
<para>
Add <link linkend="functions-srf"><function>generate_series()</></>
for <type>NUMERIC</> values (Plato Malugin)
for <type>numeric</> values (Plato Malugin)
</para>
</listitem>
@ -1759,7 +1820,7 @@ FIXME: Add more specifics?
</para>
<para>
This represents the last time the snapshot files was written to
This represents the last time the snapshot file was written to
the file system.
</para>
</listitem>
@ -1774,18 +1835,6 @@ FIXME: Add more specifics?
to compute multi-xid age (Bruce Momjian)
</para>
</listitem>
<listitem>
<!--
2015-05-09 [0c90f67] Andrew..: Add new OID alias type regrole
2015-05-09 [cb9fa80] Andrew..: Add new OID alias type regnamespace
-->
<para>
Add data types <link
linkend="datatype-oid-table"><type>regrole</> <type>regnamespace</></> that returns
the <type>OID</> of a role (Kyotaro Horiguchi)
</para>
</listitem>
</itemizedlist>
</sect4>
@ -1800,9 +1849,9 @@ FIXME: Add more specifics?
2014-08-28 [6c40f83] Tom Lane: Add min and max aggregates for inet/cidr data t..
-->
<para>
Add <function>MIN()</>/<function>MAX()</> aggregates
for <link linkend="datatype-inet"><type>INET</></>/<link
linkend="datatype-cidr"><type>CIDR</></> data types (Haribabu
Add <function>min()</>/<function>max()</> aggregates
for <link linkend="datatype-inet"><type>inet</></>/<link
linkend="datatype-cidr"><type>cidr</></> data types (Haribabu
Kommi)
</para>
</listitem>
@ -1813,8 +1862,8 @@ FIXME: Add more specifics?
2015-03-20 [959277a] Andres..: Use 128-bit math to accelerate some aggregation..
-->
<para>
Use 128-bit integers, where supported, as aggregate accumulators
(Andreas Karlsson)
Use 128-bit integers, where supported, as accumulators for some
aggregate functions (Andreas Karlsson)
</para>
</listitem>
@ -1851,7 +1900,7 @@ FIXME: Add more specifics?
-->
<para>
Reduce lossiness of <link
linkend="plpython"><application>PL/Python</></> floating value
linkend="plpython"><application>PL/Python</></> floating-point value
conversions (Marko Kreen)
</para>
</listitem>
@ -1943,6 +1992,11 @@ FIXME: Add more specifics?
and <link linkend="pgxlogdump"><application>pg_xlogdump</></>
from <filename>contrib</> to <filename>src/bin</> (Peter Eisentraut)
</para>
<para>
This should result in these programs being installed by default in
most installations.
</para>
</listitem>
<listitem>
@ -1977,14 +2031,14 @@ FIXME: Add more specifics?
2014-11-18 [c4f99d2] Fujii ..: Add &#8211;&#8211;synchronous option to pg_receivexlog, for..
-->
<para>
Allow the <link
Allow <link
linkend="app-pgreceivexlog"><application>pg_receivexlog</></>
to synchronously flush <acronym>WAL</> to storage using
<option>--synchronous</> (Furuya Osamu, Fujii Masao)
to synchronously flush <acronym>WAL</> to storage using new
<option>--synchronous</> option (Furuya Osamu, Fujii Masao)
</para>
<para>
Without this, <acronym>WAL</> files are fsynced only on close.
Without this, <acronym>WAL</> files are fsync'ed only on close.
</para>
</listitem>
@ -1994,7 +2048,7 @@ FIXME: Add more specifics?
-->
<para>
Allow <link linkend="APP-VACUUMDB"><application>vacuumdb</></> to
vacuum in parallel using <option>--jobs</> (Dilip Kumar)
vacuum in parallel using new <option>--jobs</> option (Dilip Kumar)
</para>
</listitem>
@ -2084,9 +2138,9 @@ FIXME: Add more specifics?
2014-09-02 [51bb795] Andres..: Add psql PROMPT variable showing which line of ..
-->
<para>
Add <application>psql</> <link
linkend="APP-PSQL-variables"><envar>PROMPT</></> variables option
(<literal>%l</>) to display the multiline statement line number
Add new option <literal>%l</> in <application>psql</>'s <link
linkend="APP-PSQL-variables"><envar>PROMPT</></> variables
to display the current multiline statement line number
(Sawada Masahiko)
</para>
</listitem>
@ -2153,7 +2207,7 @@ FIXME: Add more specifics?
</para>
<para>
<literal>variables</> outputs <application>psql</> variables
<literal>variables</> shows <application>psql</>'s special variables
and <literal>options</> shows command-line options.
<command>\? commands</> is the default output. This help
information can also be output via <literal>--help=section</>.
@ -2249,9 +2303,8 @@ FIXME: Add more specifics?
<para>
The remote snapshot must have been exported by
<function>pg_export_snapshot()</> or logical replication slot
creation. This can be used by another <application>pg_dump</> to
use a share a consistent snapshot across <application>pg_dump</>
processes.
creation. This can be used to share a consistent snapshot
across multiple <application>pg_dump</> processes.
</para>
</listitem>
@ -2480,6 +2533,16 @@ FIXME: Improve description, link
<listitem>
<!--
2015-03-15 [4f1b890] Andres..: Merge the various forms of transaction commit &..
-->
<para>
Improve the representation of transaction commit and abort WAL
records (Andres Freund)
</para>
</listitem>
<listitem>
<!--
2014-09-25 [b64d92f] Andres..: Add a basic atomic ops API abstracting away pla..
-->
<para>
@ -2666,8 +2729,8 @@ FIXME: Improve description, link
2014-07-12 [8d9a0e8] Magnus..: Support &#8211;&#8211;with-extra-version equivalent functi..
-->
<para>
Allow <link linkend="install-procedure">configure's
<option>--with-extra-version</></> to be honored by the
Allow <link linkend="install-procedure">configure</>'s
<option>--with-extra-version</> option to be honored by the
<productname>MSVC</> build (Michael Paquier)
</para>
</listitem>

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