Reorder some 9.3 release item entries
More to go.
This commit is contained in:
Bruce Momjian
parent
22f956f50c
commit
61b962345d
@ -60,10 +60,114 @@
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<title>Server</title>
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<sect4>
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<title>Performance</title>
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<title>Locking</title>
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<itemizedlist>
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<listitem>
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<para>
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Prevent non-key-field row updates from locking foreign key rows
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(AlvaroAacute;lvaro Herrera, Marti Raudsepp, Alexander Shulgin,
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Noah Misch and Andres Freund)
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</para>
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<para>
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This improves concurrency and reduces the probability of deadlocks.
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UPDATEs on non-key columns use the new SELECT FOR NO KEY UPDATE lock
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type, and foreign key checks use the new SELECT FOR KEY SHARE lock mode.
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</para>
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</listitem>
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<listitem>
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<para>
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Add cache of local locks (Jeff Janes)
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</para>
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<para>
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This speeds lock release at statement completion in transactions
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that hold many locks; it is particularly useful for pg_dump.
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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<sect4>
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<title>Indexes</title>
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<itemizedlist>
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<listitem>
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<para>
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Add SP-GiST support for range data types (Alexander Korotkov)
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</para>
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</listitem>
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<listitem>
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<para>
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Allow unlogged GiST indexes (Jeevan Chalke)
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</para>
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</listitem>
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<listitem>
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<para>
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Improve concurrency of hash indexes (Robert Haas)
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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<sect4>
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<title>Optimizer</title>
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<itemizedlist>
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<listitem>
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<para>
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Improve the ability to detect indexable prefixes in regular
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expressions (Tom Lane)
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</para>
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</listitem>
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<listitem>
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<para>
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Collect and use histograms of lower and upper bounds for range types
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(Alexander Korotkov)
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</para>
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</listitem>
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<listitem>
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<para>
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Reduce optimizer overhead by discarding plans with unneeded cheaper
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startup costs (Tom Lane)
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</para>
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</listitem>
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<listitem>
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<para>
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Improve optimizer cost estimation for index access (Tom Lane)
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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<sect4>
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<title>General Performance</title>
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<itemizedlist>
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<listitem>
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<para>
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Add COPY FREEZE option to avoid the overhead of later marking
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tuples as committed (Simon Riggs, Jeff Davis)
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</para>
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</listitem>
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<listitem>
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<para>
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Improve performance of NUMERIC calculations (Kyotaro Horiguchi)
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@ -76,13 +180,6 @@
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</para>
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</listitem>
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<listitem>
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<para>
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Add COPY FREEZE option to avoid the overhead of later marking
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tuples as committed (Simon Riggs, Jeff Davis)
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</para>
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</listitem>
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<listitem>
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<para>
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Improve memory usage for in-memory sorts (Jeff Janes)
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@ -141,108 +238,52 @@
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</sect4>
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<sect4>
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<title>Optimizer</title>
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<title>Monitoring</title>
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<itemizedlist>
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<listitem>
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<para>
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Reduce optimizer overhead by discarding plans with unneeded cheaper
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startup costs (Tom Lane)
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Add optional ability to checksum data pages and report corruption
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(Simon Riggs, Jeff Davis, Greg Smith)
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</para>
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<para>
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The checksum option can be set during initdb.
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</para>
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</listitem>
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<listitem>
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<para>
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Collect and use histograms of lower and upper bounds for range types
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(Alexander Korotkov)
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Allow pg_terminate_backend() to terminate other backends with
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the same role (Dan Farina)
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</para>
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<para>
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Previously, only superusers could terminate other sessions.
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</para>
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</listitem>
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<listitem>
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<para>
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Improve the ability to detect indexable prefixes in regular
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expressions (Tom Lane)
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Allow the statistics collector to operate properly in cases where
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the system clock goes backwards (Tom Lane)
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</para>
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<para>
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Previously statistics collection would stop until the time again
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reached the previously-stored latest time.
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</para>
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</listitem>
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<listitem>
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<para>
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Improve optimizer cost estimation for index access (Tom Lane)
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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<sect4>
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<title>Indexes</title>
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<itemizedlist>
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<listitem>
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<para>
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Reduce use of heavyweight locking inside hash AM.
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</para>
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</listitem>
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<listitem>
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<para>
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Improve concurrency of hash indexes (Robert Haas)
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</para>
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</listitem>
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<listitem>
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<para>
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Add SP-GiST support for range data types (Alexander Korotkov)
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</para>
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</listitem>
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<listitem>
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<para>
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Allow unlogged GiST indexes (Jeevan Chalke)
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</para>
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</listitem>
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<listitem>
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<para>
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Allow SP-GiST to support of the range adjacent operator (Alexander
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Korotkov)
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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<sect4>
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<title>Locking</title>
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<itemizedlist>
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<listitem>
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<para>
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Prevent non-key-field row updates from locking foreign key rows
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(AlvaroAacute;lvaro Herrera, Marti Raudsepp, Alexander Shulgin,
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Noah Misch and Andres Freund)
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Add function to report the size of the GIN pending index insertion
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list (Fujii Masao)
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</para>
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<para>
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This improves concurrency and reduces the probability of deadlocks.
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UPDATEs on non-key columns use the new SELECT FOR NO KEY UPDATE lock
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type, and foreign key checks use the new SELECT FOR KEY SHARE lock mode.
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</para>
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</listitem>
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<listitem>
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<para>
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Add cache of local locks (Jeff Janes)
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</para>
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<para>
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This speeds lock release at statement completion in transactions
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that hold many locks; it is particularly useful for pg_dump.
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The function is pgstatginindex() in pgstattuple.
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</para>
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</listitem>
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@ -294,60 +335,6 @@
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</sect4>
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<sect4>
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<title>Monitoring</title>
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<itemizedlist>
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<listitem>
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<para>
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Allow the statistics collector to operate properly in cases where
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the system clock goes backwards (Tom Lane)
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</para>
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<para>
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Previously statistics collection would stop until the time again
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reached the previously-stored latest time.
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</para>
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</listitem>
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<listitem>
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<para>
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Add optional ability to checksum data pages and report corruption
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(Simon Riggs, Jeff Davis, Greg Smith)
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</para>
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<para>
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The checksum option can be set during initdb.
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</para>
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</listitem>
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<listitem>
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<para>
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Add function to report the size of the GIN pending index insertion
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list (Fujii Masao)
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</para>
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<para>
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The function is pgstatginindex() in pgstattuple.
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</para>
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</listitem>
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<listitem>
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<para>
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Allow pg_terminate_backend() to terminate other backends with
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the same role (Dan Farina)
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</para>
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<para>
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Previously, only superusers could terminate other sessions.
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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<sect4>
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<title>Server Settings</title>
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@ -367,13 +354,20 @@
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<listitem>
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<para>
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Increase the maximum initdb-configured value for shared_buffers
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to 128MB (Robert Haas)
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Allow the postmaster to listen on multiple Unix-domain sockets
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(Honza Horak)
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</para>
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<para>
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This is the maximum value initdb attempts to set in
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postgresql.conf; the previous value was 32MB.
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This renames configuration parameter unix_socket_directory to
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unix_socket_directories, which accepts a list of directories.
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</para>
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</listitem>
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<listitem>
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<para>
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Add configuration variable lock_timeout to limit lock wait duration
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(Zoltán Böszörményi)
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</para>
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</listitem>
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@ -390,21 +384,13 @@
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<listitem>
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<para>
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Have "session id" in log_line_prefix (%c) always output four hex
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digits after the period (Bruce Momjian)
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Increase the maximum initdb-configured value for shared_buffers
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to 128MB (Robert Haas)
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</para>
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</listitem>
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<listitem>
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<para>
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Add configuration variable lock_timeout to limit lock wait duration
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(Zoltán Böszörményi)
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</para>
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</listitem>
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<listitem>
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<para>
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Remove the external PID file on postmaster exit (Peter Eisentraut)
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This is the maximum value initdb attempts to set in
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postgresql.conf; the previous value was 32MB.
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</para>
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</listitem>
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@ -427,15 +413,17 @@
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</para>
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</listitem>
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<listitem>
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<para>
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Allow the postmaster to listen on multiple Unix-domain sockets
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(Honza Horak)
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Remove the external PID file on postmaster exit (Peter Eisentraut)
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</para>
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</listitem>
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<listitem>
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<para>
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This renames configuration parameter unix_socket_directory to
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unix_socket_directories, which accepts a list of directories.
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Have "session id" in log_line_prefix (%c) always output four hex
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digits after the period (Bruce Momjian) COMPATIBILITY
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</para>
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</listitem>
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@ -450,6 +438,18 @@
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<itemizedlist>
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<listitem>
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<para>
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Allow a streaming replication standbys to follow a timeline switch (Heikki Linnakangas)
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</para>
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<para>
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This allows streaming standbys to feed from newly-promoted slaves.
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Previously slaves required access to a WAL archive directory to
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accomplish this.
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</para>
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</listitem>
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<listitem>
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<para>
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Add SQL functions pg_backup_in_progress() and pg_backup_start_time() (Darold Gilles)
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@ -485,18 +485,6 @@
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</para>
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</listitem>
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<listitem>
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<para>
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Allow a streaming replication standbys to follow a timeline switch (Heikki Linnakangas)
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</para>
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<para>
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This allows streaming standbys to feed from newly-promoted slaves.
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Previously slaves required access to a WAL archive directory to
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accomplish this.
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</para>
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</listitem>
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<listitem>
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<para>
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Have pg_basebackup --write-recovery-conf output a minimal
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@ -678,6 +666,37 @@
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</itemizedlist>
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<sect4>
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<title><link linkend="SQL-CREATETABLE"><command>CREATE TABLE</></link></title>
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<itemizedlist>
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<listitem>
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<para>
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No longer output messages about implicit index and sequence creation (Robert Haas)
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</para>
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<para>
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These messages now appear with DEBUG1-level output.
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</para>
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</listitem>
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<listitem>
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<para>
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Allow CREATE TABLE to succeed for a non-existent schema
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(Bruce Momjian)
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</para>
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<para>
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Previously, CREATE TABLE IF EXIST threw an error if the schema was
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nonexistent.
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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<sect4>
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<title>Constraints</title>
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@ -822,37 +841,6 @@
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</sect4>
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<sect4>
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<title><link linkend="SQL-CREATETABLE"><command>CREATE TABLE</></link></title>
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<itemizedlist>
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<listitem>
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<para>
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No longer output messages about implicit index and sequence creation (Robert Haas)
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</para>
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<para>
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These messages now appear with DEBUG1-level output.
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</para>
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</listitem>
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<listitem>
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<para>
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Allow CREATE TABLE to succeed for a non-existent schema
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(Bruce Momjian)
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</para>
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<para>
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Previously, CREATE TABLE IF EXIST threw an error if the schema was
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nonexistent.
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</para>
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</listitem>
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</itemizedlist>
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</sect4>
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</sect3>
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<sect3>
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@ -1698,7 +1686,7 @@
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<listitem>
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<para>
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Allow pgbench to use scale values larger than 21474 (Greg Smith)
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Allow pgbench to use a larger scale factor (Greg Smith)
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</para>
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</listitem>
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Reference in New Issue
Block a user