</para>
<para>
- Previously this returned <literal>NULL</>.
+ Previously this returned a null value.
</para>
</listitem>
</para>
<para>
- Previously this returned <literal>NULL</>.
+ Previously this returned a null value.
</para>
</listitem>
</para>
<para>
- Triggers can now be fired in three cases: BEFORE, AFTER, or INSTEAD OF
- some action. Trigger function authors should verify that their logic
- behaves sanely in all three cases.
+ Triggers can now be fired in three cases: <literal>BEFORE</>,
+ <literal>AFTER</>, or <literal>INSTEAD OF</> some action.
+ Trigger function authors should verify that their logic behaves
+ sanely in all three cases.
</para>
</listitem>
<listitem>
<para>
- Allow unlogged tables using <link
+ Allow unlogged tables using the <link
linkend="SQL-CREATETABLE-description"><literal>UNLOGGED</></link>
- during <link linkend="SQL-CREATETABLE"><command>CREATE
+ clause in <link linkend="SQL-CREATETABLE"><command>CREATE
TABLE</></link> (Robert Haas)
</para>
</para>
<para>
- This allows the use of commit_siblings with less overhead.
+ This allows the use of <varname>commit_siblings</varname> with
+ less overhead.
</para>
</listitem>
<listitem>
<para>
- Support host names and host suffixes (e.g. .example.com) in
- <link linkend="auth-pg-hba-conf"><filename>pg_hba.conf</></link>
+ Support host names and host suffixes
+ (e.g. <literal>.example.com</>) in <link
+ linkend="auth-pg-hba-conf"><filename>pg_hba.conf</></link>
(Peter Eisentraut)
</para>
<listitem>
<para>
- Support the keyword <literal>all</> in the host column of <link
+ Support the key word <literal>all</> in the host column of <link
linkend="auth-pg-hba-conf"><filename>pg_hba.conf</></link>
(Peter Eisentraut)
</para>
Add <link
linkend="guc-log-file-mode"><varname>log_file_mode</></link>
which controls the permissions on log files created by the
- logging_collector (Martin Pihlak)
+ logging collector (Martin Pihlak)
</para>
</listitem>
<listitem>
<para>
- Add <structfield>client_hostname</structfield> field to <link
+ Add <structfield>client_hostname</structfield> column to <link
linkend="monitoring-stats-views-table"><structname>pg_stat_activity</></link>
(Peter Eisentraut)
</para>
<listitem>
<para>
- Add buffers_backend_fsync field to <link
+ Add <structfield>buffers_backend_fsync</> column to <link
linkend="monitoring-stats-views-table"><structname>pg_stat_bgwriter</></link>
(Greg Smith)
</para>
<para>
- This new field counts the number of times a backend fsyncs a
+ This new column counts the number of times a backend fsyncs a
buffer.
</para>
</listitem>
</para>
<para>
- wal_buffers is now auto-tuned by default based on the size of
- shared_buffers.
+ <varname>wal_buffers</> is now auto-tuned by default based on
+ the size of <varname>shared_buffers</>.
</para>
</listitem>
<listitem>
<para>
- Add variable <link
+ Add configuration parameter <link
linkend="guc-hot-standby-feedback"><varname>hot_standby_feedback</></link>
to enable standbys to postpone cleanup of old row versions on the
primary (Simon Riggs)
</para>
<para>
- This allows a recovery server to be queried to check if the
- recovery point is the one desired.
+ This allows a recovery server to be queried to check whether
+ the recovery point is the one desired.
</para>
</listitem>
<listitem>
<para>
Add a true <link
- linkend="xact-serializable"><literal>serializable</></link> isolation
+ linkend="xact-serializable">serializable</link> isolation
level (Kevin Grittner, Dan Ports)
</para>
<listitem>
<para>
- Allow use of the keyword <literal>DISTINCT</> in <link
+ Allow use of the key word <literal>DISTINCT</> in <link
linkend="queries-union"><literal>UNION</>/<literal>INTERSECT</>/<literal>EXCEPT</></link>
clauses (Tom Lane)
</para>
<para>
<literal>DISTINCT</> is the default behavior so use of this
- keyword is redundant, but the SQL standard allows it.
+ key word is redundant, but the SQL standard allows it.
</para>
</listitem>
<para>
The new option is called <literal>NOT VALID</>, which can
later be modified to <literal>VALIDATED</> and validation
- checks performed. Together these allow you to add a Foreign Key
+ checks performed. Together these allow you to add a foreign key
with minimal impact on read and write operations.
</para>
</listitem>
</para>
<para>
- For example, converting a varchar column to text no longer
- requires a rewrite of the table. However, increasing the length
- constraint on a varchar column still requires a table rewrite.
+ For example, converting a <type>varchar</> column to
+ <type>text</> no longer requires a rewrite of the table.
+ However, increasing the length constraint on a
+ <type>varchar</> column still requires a table rewrite.
</para>
</listitem>
<listitem>
<para>
- Fix possible "tuple concurrently updated" error when two server
- backends attempted to add an inheritance parent to the same
- table at the same time (Robert Haas)
+ Fix possible <quote>tuple concurrently updated</quote> error
+ when two server backends attempted to add an inheritance
+ parent to the same table at the same time (Robert Haas)
</para>
<para>
linkend="array-functions-table"><function>array_to_string()</></link>
and <link
linkend="array-functions-table"><function>string_to_array()</></link>
- for <literal>NULL</> processing control (Pavel Stehule)
+ for null value processing control (Pavel Stehule)
</para>
</listitem>
<listitem>
<para>
- Add fields to the <link
+ Add columns to the <link
linkend="infoschema-sequences"><structname>information_schema.sequences</></link>
system view (Peter Eisentraut)
</para>
<para>
- Previously, though the view existed, all of these view fields
- were unimplemented.
+ Previously, though the view existed, the columns about the
+ sequence parameters were unimplemented.
</para>
</listitem>
<listitem>
<para>
- <function>plpy.Fatal</function> now raises <literal>FATAL</>, rather
- than <literal>ERROR</literal> (Jan Urbanski)
- </para>
-
- <para>
- The old behavior was incorrect.
- </para>
- </listitem>
-
- <listitem>
- <para>
- Overhaul of PL/Python (Jan Urbanski)
+ Fix exception handling with Python 3 (Jan Urbanski)
</para>
<para>
- This includes exception support for Python 3. **More detail?
+ Exception classes were previously not available in
+ <literal>plpy</> under Python 3.
</para>
</listitem>
<listitem>
<para>
Make <application>psql</application> distinguish between unique
- indices and unique constraints (Josh Kupershmidt)
+ indexes and unique constraints (Josh Kupershmidt)
</para>
</listitem>
<listitem>
<para>
- Improve <application>pg_ctl</>
- start's "wait" (<option>-w</>) mode to handle non-standard
- port numbers, non-standard Unix-domain socket locations,
- permission problems, and stale postmaster lock files (Bruce
- Momjian)
+ Improve <application>pg_ctl</> start's <quote>wait</quote>
+ (<option>-w</>) mode to handle non-standard port numbers,
+ non-standard Unix-domain socket locations, permission
+ problems, and stale postmaster lock files (Bruce Momjian)
</para>
</listitem>
</para>
<para>
- This allows for faster compiles. Also, make <option>-k</>
- and make <option>-q</> now work properly in a parallel build.
+ This allows for faster compiles. Also, <literal>make -k</>
+ now works properly.
</para>
</listitem>
<listitem>
<para>
Improve ability to use C++ compilers for <link
- linkend="xfunc-c">backend compiles</link> by removing
- conflicting keywords (Tom Lane)
+ linkend="xfunc-c">compiling add-on modules</link> by removing
+ conflicting key words (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Allow <link linkend="intarray"><filename>contrib/intarray</></link>
- to work properly on multi-dimensional arrays (Tom Lane)
+ to work properly on multidimensional arrays (Tom Lane)
</para>
</listitem>
<listitem>
<para>
- Document that it is possible to access all composite fields
- using <link linkend="field-selection"><literal>(compositeval).*
- syntax</></link> (Peter Eisentraut)
+ Document that it is possible to access all composite type
+ fields using <link
+ linkend="field-selection"><literal>(compositeval).*</></link>
+ syntax (Peter Eisentraut)
</para>
</listitem>
projects / postgresql / commitdiff