<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>
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>
</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>
<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>
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>
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>
<!--
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>
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>
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>
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>
</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>
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>
<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>
<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>
<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>
</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>
<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>
<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>
<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
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>
</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>
</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>
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>
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>
-->
<para>
Tighten syntax of <link
- linkend="datatype-interval-input"><type>INTERVAL</></> precision
+ linkend="datatype-interval-input"><type>interval</></> precision
specifications (Bruce Momjian)
</para>
-->
<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>
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>
-->
<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>
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>
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>
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>
-->
<para>
Add <link linkend="functions-srf"><function>generate_series()</></>
- for <type>NUMERIC</> values (Plato Malugin)
+ for <type>numeric</> values (Plato Malugin)
</para>
</listitem>
</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>
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>
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>
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>
-->
<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>
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>
2014-11-18 [c4f99d2] Fujii ..: Add ––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>
-->
<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>
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>
</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</>.
<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>
<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>
2014-07-12 [8d9a0e8] Magnus..: Support ––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>
projects / postgresql / commitdiff