diff options
| -rw-r--r-- | doc/src/sgml/release-9.4.sgml | 102 |
1 files changed, 81 insertions, 21 deletions
diff --git a/doc/src/sgml/release-9.4.sgml b/doc/src/sgml/release-9.4.sgml index 26abce12587..dc4b2b00966 100644 --- a/doc/src/sgml/release-9.4.sgml +++ b/doc/src/sgml/release-9.4.sgml @@ -7,7 +7,8 @@ <note> <title>Release Date</title> <simpara>2014-??-??</simpara> - <simpara>Current as of 2014-08-17</simpara> + <simpara>Current as of 2014-10-05</simpara> + <!-- Be sure to remove "delta from 9.4beta" items below before final! --> </note> <sect2> @@ -89,6 +90,22 @@ <itemizedlist> + <!-- delta from 9.4beta2, be sure to remove before final: --> + <listitem> + <para> + Change on-disk format of <type>jsonb</> data + (Heikki Linnakangas and Tom Lane) + </para> + + <para> + The on-disk representation was changed after 9.4beta2 to improve + efficiency. <application>pg_upgrade</> will refuse to upgrade any + 9.4beta1 or 9.4beta2 database containing <type>jsonb</> columns; you + will need to use <application>pg_dumpall</> instead to migrate such + databases. + </para> + </listitem> + <listitem> <para> Tighten checks for multidimensional <link @@ -226,18 +243,6 @@ <listitem> <para> - Writable foreign data wrappers must return all columns when the foreign - table has an <literal>AFTER ROW</> trigger (Noah Misch) - </para> - - <para> - Previously, foreign tables never had triggers, and - the <literal>RETURNING</> clause alone dictated the columns required. - </para> - </listitem> - - <listitem> - <para> Rename <link linkend="SQL-EXPLAIN"><command>EXPLAIN ANALYZE</></link>'s <quote>total runtime</quote> output to <quote>execution time</quote> (Tom Lane) @@ -267,6 +272,22 @@ <listitem> <para> + Foreign data wrappers that support updating foreign tables must + consider the possible presence of <literal>AFTER ROW</> triggers + (Noah Misch) + </para> + + <para> + When an <literal>AFTER ROW</> trigger is present, all columns of the + table must be returned by updating actions, since the trigger might + inspect any or all of them. Previously, foreign tables never had + triggers, so the FDW might optimize away fetching columns not mentioned + in the <literal>RETURNING</> clause (if any). + </para> + </listitem> + + <listitem> + <para> Prevent <link linkend="ddl-constraints-check-constraints"><literal>CHECK</></link> constraints from referencing system columns, except @@ -389,6 +410,27 @@ </para> </listitem> + <!-- delta from 9.4beta2, be sure to remove before final: --> + <listitem> + <para> + Update time zone data files to tzdata release 2014h for DST law + changes in Russia and elsewhere + </para> + + <para> + This change is more significant than most time zone updates because + many Russian zone abbreviations are changing meaning, including IRKT, + KRAT, MAGT, MSK, NOVT, OMST, SAKT, VLAT, YAKT, and YEKT. Also, IANA + has formally recognized abbreviations of the form + A<replaceable>x</>ST/A<replaceable>x</>DT for Australian timezones, + so adopt those names as part of the <quote>Default</> abbreviation + set in <productname>PostgreSQL</>. The <quote>Australia</> + abbreviation set now need be selected only if it's desired to use + historical abbreviations that conflict with abbreviations commonly + used elsewhere, such as EST or SAST. + </para> + </listitem> + </itemizedlist> </sect2> @@ -1099,6 +1141,14 @@ </para> </listitem> + <listitem> + <para> + Ensure that <link linkend="SQL-SELECT"><literal>SELECT ... FOR UPDATE + NOWAIT</></link> does not wait in corner cases involving + already-concurrently-updated tuples (Craig Ringer and Thomas Munro) + </para> + </listitem> + </itemizedlist> </sect3> @@ -1257,11 +1307,9 @@ <listitem> <para> Allow moving groups of objects from one tablespace to another - using <literal>ALL IN TABLESPACE ... SET TABLESPACE</> with - <link linkend="SQL-ALTERTABLE"><command>ALTER TABLE</></link> - <link linkend="SQL-ALTERINDEX"><command>ALTER INDEX</></link> and - <link linkend="SQL-ALTERMATERIALIZEDVIEW"><command>ALTER MATERIALIZED VIEW</></link> - (Stephen Frost) + using the <literal>ALL IN TABLESPACE ... SET TABLESPACE</> form of + <xref linkend="SQL-ALTERTABLE">, <xref linkend="SQL-ALTERINDEX">, or + <xref linkend="SQL-ALTERMATERIALIZEDVIEW"> (Stephen Frost) </para> </listitem> @@ -2498,9 +2546,21 @@ </para> <para> - This allows monitoring tools to only fetch query text for newly - created entries, improving performance for repeated querying of the - statistics. + This allows monitoring tools to fetch query text only for + just-created entries, improving performance during repeated querying + of the statistics. + </para> + </listitem> + + <listitem> + <para> + Make <application>pg_stat_statements</> ignore <command>DEALLOCATE</> + commands (Fabien Coelho) + </para> + + <para> + It already ignored <command>PREPARE</>, as well as planning time in + general, so this seems more consistent. </para> </listitem> |