Second-draft release notes for 14.1.
Add latest commits. Fix some typos and infelicitous wording (thanks to Justin Pryzby for proof-reading).
This commit is contained in:
Tom Lane
parent
f7829feb75
commit
01a11c77be
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@ -409,7 +409,7 @@ Branch: REL_11_STABLE [0d08c279b] 2021-10-19 13:54:46 -0400
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<para>
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A command such as <literal>UPDATE tab SET fld[1].subfld =
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value</literal> failed if the array elements were domains rather
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val</literal> failed if the array's elements were domains rather
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than plain composites.
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</para>
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</listitem>
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@ -427,9 +427,9 @@ Branch: REL_13_STABLE [170206e45] 2021-10-01 18:29:18 -0300
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</para>
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<para>
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<literal>FETCH FIRST WITH TIES</literal> necessarily fetches
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one more row than requested, so tha it can determine whether the
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next row is a tie or not. In our current implementation,
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<literal>FETCH FIRST WITH TIES</literal> necessarily fetches one
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more row than requested, since it cannot stop until it finds a row
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that is not a tie. In our current implementation,
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if <literal>FOR UPDATE</literal> is used then that row will also get
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locked even though it is not returned. That results in undesirable
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behavior if the <literal>SKIP LOCKED</literal> option is specified.
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@ -454,9 +454,9 @@ Branch: REL_10_STABLE [5d7c6b6c8] 2021-09-03 16:38:55 -0400
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</para>
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<para>
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Previously this was allowed, but the collation effectively vanished
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into the ether because of the way collation lookup works: you could
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not use the collation, nor even drop it.
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Previously this was allowed, but then the collation could not be
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referenced because of the way collation lookup works; you could not
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use the collation, nor even drop it.
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</para>
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</listitem>
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@ -473,7 +473,7 @@ Branch: REL_13_STABLE [85dc4292a] 2021-10-19 11:04:04 +0900
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</para>
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<para>
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While the parser accepts this, it's undocumented and doesn't
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While the parser accepted this, it's undocumented and doesn't
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actually work.
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</para>
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</listitem>
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@ -545,7 +545,7 @@ Branch: REL9_6_STABLE [d90e14414] 2021-08-23 17:41:07 -0400
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<para>
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The regexp engine was careless about clearing match data
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for capturing parentheses after rejecting a partial match. This
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could allow a later back-reference to succeed when by rights it
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could allow a later back-reference to match in places where it
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should fail for lack of a defined referent.
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</para>
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</listitem>
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@ -567,10 +567,9 @@ Branch: REL9_6_STABLE [cafebd663] 2021-08-20 14:19:04 -0400
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</para>
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<para>
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Unnecessarily stupid back-tracking logic could result in exponential
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time spent looking for a match. Fortunately the problem is masked
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in most cases by other optimizations; but it is possible to
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demonstrate it with fairly simple, if contrived, regexps.
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Incorrect back-tracking logic could result in exponential time spent
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looking for a match. Fortunately the problem is masked in most
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cases by other optimizations.
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</para>
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</listitem>
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@ -599,49 +598,6 @@ Branch: REL9_6_STABLE [5907c3818] 2021-09-06 11:29:52 -0400
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [9b8d68cc6] 2021-10-02 16:05:42 -0400
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Branch: REL_14_STABLE [fa8db4879] 2021-10-02 16:06:09 -0400
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Branch: REL_13_STABLE [9c76689de] 2021-10-02 16:06:23 -0400
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Branch: REL_12_STABLE [e5b25f19b] 2021-10-02 16:06:45 -0400
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Branch: REL_11_STABLE [9cc919b51] 2021-10-02 16:06:55 -0400
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Branch: REL_10_STABLE [e323630cd] 2021-10-02 16:07:16 -0400
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Branch: REL9_6_STABLE [dbec5a2fe] 2021-10-02 16:07:37 -0400
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Branch: master [ad740067a] 2021-10-02 16:05:10 -0400
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Branch: REL_14_STABLE [81464999b] 2021-10-02 16:06:09 -0400
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Branch: REL_13_STABLE [7ba8eb81f] 2021-10-02 16:06:23 -0400
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Branch: REL_12_STABLE [4721e8aa6] 2021-10-02 16:06:45 -0400
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Branch: REL_11_STABLE [bb6d42669] 2021-10-02 16:06:55 -0400
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Branch: REL_10_STABLE [cb0799db0] 2021-10-02 16:07:16 -0400
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Branch: REL9_6_STABLE [37cbe0f79] 2021-10-02 16:07:36 -0400
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Branch: master [c1aa3b3c0] 2021-10-04 14:52:39 -0400
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Branch: REL_14_STABLE [919c08d90] 2021-10-04 14:52:17 -0400
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Branch: REL_13_STABLE [c53ff69e1] 2021-10-04 14:52:17 -0400
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Branch: REL_12_STABLE [07873a5dc] 2021-10-04 14:52:17 -0400
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Branch: REL_11_STABLE [d0b0b70dc] 2021-10-04 14:52:17 -0400
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Branch: REL_10_STABLE [cd2479142] 2021-10-04 14:52:17 -0400
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Branch: REL9_6_STABLE [b5f34ae08] 2021-10-04 14:52:17 -0400
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-->
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<para>
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Use the CLDR project's data to map Windows time zone names to IANA
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time zones (Tom Lane)
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</para>
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<para>
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When running on Windows, <application>initdb</application> attempts
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to set the new cluster's <varname>timezone</varname> parameter to
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the IANA time zone matching the system's prevailing time zone.
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We were using a mapping table that we'd generated years ago and
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updated only fitfully; unsurprisingly, it contained a number of
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errors as well as omissions of recently-added zones. It turns out
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that CLDR has been tracking the most appropriate mappings, so start
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using their data. This change will not affect any existing
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installation, only newly-initialized clusters.
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [4d5f651f1] 2021-10-14 12:43:55 -0400
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Branch: REL_14_STABLE [fd059ac2e] 2021-10-14 12:43:43 -0400
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Branch: REL_13_STABLE [fdd6a4d8d] 2021-10-14 12:43:43 -0400
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@ -765,7 +721,7 @@ Branch: REL_10_STABLE [8a6a1fe07] 2021-10-04 14:06:03 +0900
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Branch: REL9_6_STABLE [e2b2a9e1c] 2021-10-04 14:06:09 +0900
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-->
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<para>
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Ensure prepared transactions are properly accounted for during
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Ensure that prepared transactions are properly accounted for during
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promotion of a standby server (Michael Paquier, Andres Freund)
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</para>
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@ -959,7 +915,8 @@ Branch: REL_10_STABLE [96f6ef9fe] 2021-08-25 08:55:52 -0400
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<para>
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This oversight could lead to misbehavior in parallel queries if the
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transaction isolation level is less than REPEATABLE READ.
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transaction isolation level is less than <literal>REPEATABLE
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READ</literal>.
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</para>
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</listitem>
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@ -1011,14 +968,14 @@ Branch: REL_10_STABLE [f77489046] 2021-09-09 23:59:40 +0900
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Branch: REL9_6_STABLE [61e2aa2db] 2021-09-10 00:00:06 +0900
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-->
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<para>
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Fix walreceiver to ensure that it creates an archive notification
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file before exiting (Fujii Masao)
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Ensure that walreceiver processes create all required archive
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notification files before exiting (Fujii Masao)
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</para>
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<para>
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This failed to happen if the walreceiver exited exactly at a WAL
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segment boundary, thus delaying archiving of the new segment on the
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standby.
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If a walreceiver exited exactly at a WAL segment boundary, it failed
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to make a notification file for the last-received segment, thus
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delaying archiving of that segment on the standby.
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</para>
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</listitem>
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@ -1033,8 +990,8 @@ Branch: REL_14_STABLE [ae254356f] 2021-10-06 13:28:30 +0900
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Branch: REL_13_STABLE [d6d68e223] 2021-10-06 13:28:35 +0900
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-->
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<para>
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Compute the correct WAL range to include in a backup manifest when a
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timeline change is involved (Kyotaro Horiguchi)
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Fix computation of the WAL range to include in a backup manifest
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when a timeline change is involved (Kyotaro Horiguchi)
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</para>
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</listitem>
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@ -1095,8 +1052,8 @@ Branch: REL_13_STABLE [a73a3671d] 2021-10-20 13:05:42 -0300
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Branch: REL_12_STABLE [3c8c49945] 2021-10-20 13:05:42 -0300
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-->
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<para>
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Ensure correct lock level is used when renaming a table (Nathan
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Bossart, Álvaro Herrera)
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Ensure that the correct lock level is used when renaming a table
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(Nathan Bossart, Álvaro Herrera)
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</para>
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<para>
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@ -1267,7 +1224,7 @@ Branch: REL_10_STABLE [4874886b4] 2021-08-13 16:44:18 +1200
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</para>
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<para>
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It seems unlikely that this bug has yet been hit in practice, as it
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It seems unlikely that this bug has been hit in practice, as it
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would require <varname>work_mem</varname> settings of hundreds of
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gigabytes for existing uses of <filename>simplehash.h</filename>.
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</para>
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@ -1348,6 +1305,23 @@ Branch: REL_13_STABLE [d5a2ffbce] 2021-10-27 13:09:00 -0700
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<listitem>
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<!--
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Author: Tomas Vondra <tomas.vondra@postgresql.org>
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Branch: master [d91353f4b] 2021-11-06 01:50:44 +0100
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Branch: REL_14_STABLE [f7829feb7] 2021-11-06 01:53:36 +0100
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-->
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<para>
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Avoid assertion failure when inserting NaN into a BRIN
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float8 or float4 minmax_multi_ops index (Tomas Vondra)
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</para>
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<para>
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In production builds, such cases would result in a somewhat
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inefficient, but not actually incorrect, index.
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Fujii Masao <fujii@postgresql.org>
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Branch: master [e3e29cec1] 2021-10-12 09:50:17 +0900
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Branch: REL_14_STABLE [62e821ad2] 2021-10-12 09:51:17 +0900
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@ -1541,7 +1515,7 @@ Branch: REL9_6_STABLE [b1df061f7] 2021-10-22 15:22:26 -0400
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PRIVILEGES</command> command revoked some present-by-default
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privilege, for example <literal>EXECUTE</literal> for functions, and
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then a restricted <command>ALTER DEFAULT PRIVILEGES</command>
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command granted that privilege back for a selected role or
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command granted that privilege again for a selected role or
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schema, <application>pg_dump</application> failed to dump the
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restricted privilege grant correctly.
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</para>
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@ -1598,7 +1572,7 @@ Branch: REL9_6_STABLE [4645997c8] 2021-08-31 13:53:33 -0400
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<para>
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These changes provide only marginal improvement when dumping from a
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local server, but a dump from a remote server can benefit
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substantially.
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substantially due to fewer network round-trips.
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</para>
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</listitem>
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@ -1920,6 +1894,49 @@ Branch: REL_14_STABLE [52c0c1136] 2021-10-22 09:50:16 -0400
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [9b8d68cc6] 2021-10-02 16:05:42 -0400
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Branch: REL_14_STABLE [fa8db4879] 2021-10-02 16:06:09 -0400
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Branch: REL_13_STABLE [9c76689de] 2021-10-02 16:06:23 -0400
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Branch: REL_12_STABLE [e5b25f19b] 2021-10-02 16:06:45 -0400
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Branch: REL_11_STABLE [9cc919b51] 2021-10-02 16:06:55 -0400
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Branch: REL_10_STABLE [e323630cd] 2021-10-02 16:07:16 -0400
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Branch: REL9_6_STABLE [dbec5a2fe] 2021-10-02 16:07:37 -0400
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Branch: master [ad740067a] 2021-10-02 16:05:10 -0400
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Branch: REL_14_STABLE [81464999b] 2021-10-02 16:06:09 -0400
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Branch: REL_13_STABLE [7ba8eb81f] 2021-10-02 16:06:23 -0400
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Branch: REL_12_STABLE [4721e8aa6] 2021-10-02 16:06:45 -0400
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Branch: REL_11_STABLE [bb6d42669] 2021-10-02 16:06:55 -0400
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Branch: REL_10_STABLE [cb0799db0] 2021-10-02 16:07:16 -0400
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Branch: REL9_6_STABLE [37cbe0f79] 2021-10-02 16:07:36 -0400
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Branch: master [c1aa3b3c0] 2021-10-04 14:52:39 -0400
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Branch: REL_14_STABLE [919c08d90] 2021-10-04 14:52:17 -0400
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Branch: REL_13_STABLE [c53ff69e1] 2021-10-04 14:52:17 -0400
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Branch: REL_12_STABLE [07873a5dc] 2021-10-04 14:52:17 -0400
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Branch: REL_11_STABLE [d0b0b70dc] 2021-10-04 14:52:17 -0400
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Branch: REL_10_STABLE [cd2479142] 2021-10-04 14:52:17 -0400
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Branch: REL9_6_STABLE [b5f34ae08] 2021-10-04 14:52:17 -0400
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-->
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<para>
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Use the CLDR project's data to map Windows time zone names to IANA
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time zones (Tom Lane)
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</para>
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<para>
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When running on Windows, <application>initdb</application> attempts
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to set the new cluster's <varname>timezone</varname> parameter to
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the IANA time zone matching the system's prevailing time zone.
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We were using a mapping table that we'd generated years ago and
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updated only fitfully; unsurprisingly, it contained a number of
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errors as well as omissions of recently-added zones. It turns out
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that CLDR has been tracking the most appropriate mappings, so start
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using their data. This change will not affect any existing
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installation, only newly-initialized clusters.
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [937aafd6d] 2021-10-29 11:38:18 -0400
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Branch: REL_14_STABLE [0c8a40b39] 2021-10-29 11:38:32 -0400
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Branch: REL_13_STABLE [4cd72add0] 2021-10-29 11:38:38 -0400
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