diff options
author | Robert Haas | 2012-06-12 13:51:48 +0000 |
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committer | Robert Haas | 2012-06-12 13:51:48 +0000 |
commit | 99b3135e33949da601014800694ae6905ed1075f (patch) | |
tree | 386fdaf8734103c0f8cd36dfd19eaf18e3e35d7f /doc/src | |
parent | 51e61b04f8040f627e7605594095b06c10582fd0 (diff) |
Copy-editing of release notes.
Remove a couple of items that were actually back-patched bug fixes.
Add additional details to a couple of items which lacked a description.
Improve attributions for a couple of items I was involved with.
A few other miscellaneous corrections.
Diffstat (limited to 'doc/src')
-rw-r--r-- | doc/src/sgml/release-9.2.sgml | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/doc/src/sgml/release-9.2.sgml b/doc/src/sgml/release-9.2.sgml index d8f8174333f..49686d98447 100644 --- a/doc/src/sgml/release-9.2.sgml +++ b/doc/src/sgml/release-9.2.sgml @@ -436,7 +436,7 @@ <listitem> <para> Allow frequently uncontended locks to be recorded using a new - lightweight lock mechanism (Robert Haas) + fast-path lock mechanism (Robert Haas) </para> </listitem> @@ -502,7 +502,7 @@ <para> Add the <link linkend="SPGiST">SP-GiST</link> (Space-Partitioned GiST) index access method (Teodor Sigaev, Oleg Bartunov, Tom - Lane, Robert Haas) + Lane) </para> <para> @@ -544,7 +544,7 @@ <listitem> <para> Allow group commit to work effectively under heavy load (Peter - Geoghegan, Simon Riggs) + Geoghegan, Simon Riggs, Heikki Linnakangas) </para> <para> @@ -870,8 +870,8 @@ <listitem> <para> - Change "unexpected EOF" message to <literal>DEBUG1</> level - (Magnus Hagander) + Change "unexpected EOF" message to <literal>DEBUG1</> level, + except when there is an open transaction (Magnus Hagander) </para> </listitem> @@ -911,7 +911,7 @@ <para> Report checkpoint timing information in <link linkend="pg-stat-bgwriter-view"><structname>pg_stat_bgwriter</></link> - (Greg Smith, Peter Geoghegan, Robert Haas) + (Greg Smith, Peter Geoghegan) </para> </listitem> @@ -1088,8 +1088,8 @@ </para> <para> - This only writes data to the socket, but does not wait a write - to the remote disk. + This waits for the remote server to acknowledge that it has received + the data, but does not wait for it to be written to the remote disk. </para> </listitem> @@ -1224,6 +1224,13 @@ Provide more reliable operation during concurrent <acronym>DDL</acronym> (Robert Haas, Noah Misch) </para> + + <para> + This eliminates "cache lookup failed" errors in many scenarios. + Also, it is no longer possible to add relations to a schema which + is being concurrently dropped, a scenario that formerly led to + inconsistent system catalog contents. + </para> </listitem> <listitem> @@ -1286,19 +1293,6 @@ 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> @@ -1312,13 +1306,32 @@ <para> Reduce need to rebuild tables and indexes for various <link linkend="SQL-ALTERTABLE"><command>ALTER TABLE</command></link> - operations (Noah Misch) DUPLICATE? + operations (Noah Misch) + </para> + + <para> + Increasing the length constraint on a <type>varchar</> or + <type>varbit</> column, or removing it altogether, no longer + requires a table rewrite. Increasing the allowable precision of + a <type>numeric</> constraint, or changing a column from constrained + <type>numeric</> to unconstrained numeric, no longer requires a + table rewrite. Table rewrites are also avoided in similar cases + involving the <type>interval</>, <type>timestamp</>, and + <type>timestamptz</> types. </para> </listitem> <listitem> <para> - Add <literal>IF EXIST</> clause to <command>ALTER</command> + Avoid having <link linkend="SQL-ALTERTABLE"><command>ALTER + TABLE</command></link> revalidate foreign key constraints in some + cases where it is not necessary (Noah Misch) + </para> + </listitem> + + <listitem> + <para> + Add <literal>IF EXISTS</> clause to <command>ALTER</command> commands (Pavel Stehule) </para> @@ -1396,20 +1409,6 @@ 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, - Amit Khandekar) - </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> @@ -1423,7 +1422,7 @@ <para> Add a <link linkend="SQL-CREATEVIEW"><literal>security_barrier</></link> - option for views (KaiGai Kohei) + option for views (KaiGai Kohei, Robert Haas) </para> <para> @@ -1540,7 +1539,7 @@ <listitem> <para> Add a <link linkend="datatype-json"><type>JSON</type></link> - data type (Robert Haas) AUTHOR? + data type (Robert Haas) </para> <para> |