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Some desultory markup improvements in the new release notes.
This commit is contained in:
Tom Lane
parent
8dfca24b6b
commit
3c2d497f8d
@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.513 2007/10/04 07:53:07 neilc Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.514 2007/10/04 22:55:49 tgl Exp $ -->
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<!--
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Typical markup:
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@ -86,13 +86,15 @@ do it for earlier branch release files.
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<listitem>
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<para>
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ORDER BY ... NULLS FIRST/LAST
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<literal>ORDER BY ... NULLS FIRST/LAST</>
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</para>
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</listitem>
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<listitem>
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<para>
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Updatable cursors
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(<literal>UPDATE/DELETE WHERE CURRENT OF</>
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<replaceable>cursor_name</>)
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</para>
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</listitem>
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@ -189,7 +191,8 @@ do it for earlier branch release files.
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<listitem>
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<para>
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"Distributed" checkpoints to spread out the I/O load of a checkpoint
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<quote>Distributed</> checkpoints to spread out the I/O load of a
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checkpoint
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</para>
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</listitem>
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@ -331,7 +334,7 @@ do it for earlier branch release files.
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<para>
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<literal>ORDER BY ... USING</> <replaceable>operator</>
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will now be rejected if the <replaceable>operator</> is not a
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less-than or greater-than member of some btree opclass
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less-than or greater-than member of some btree operator class
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</para>
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<para>
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@ -372,7 +375,7 @@ do it for earlier branch release files.
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</para>
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<para>
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In 8.0 through 8.2, SET LOCAL's
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In 8.0 through 8.2, <command>SET LOCAL</command>'s
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effects disappeared at subtransaction commit, leading to behavior
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that made little sense at the SQL level (one would not normally
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expect <command>RELEASE</> to do such a thing).
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@ -386,9 +389,9 @@ do it for earlier branch release files.
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</para>
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<para>
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For example, "BEGIN; DROP DATABASE; COMMIT" will now be rejected
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even if submitted as a single Query message. This was always quite
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unsafe, but the <function>PreventTransactionChain</function>
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For example, <literal>BEGIN; DROP DATABASE; COMMIT</> will now be
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rejected even if submitted as a single Query message. This was always
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quite unsafe, but the <function>PreventTransactionChain</function>
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test failed to detect it.
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</para>
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</listitem>
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@ -412,7 +415,7 @@ do it for earlier branch release files.
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<para>
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Strings that are not in the database's native encoding are now
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represented as type bytea rather than type text.
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represented as type <type>bytea</> rather than type <type>text</>.
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</para>
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</listitem>
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@ -469,8 +472,8 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Implement "distributed" checkpoints (Itagaki Takahiro and Heikki
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Linnakangas)
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Implement <quote>distributed</> checkpoints (Itagaki Takahiro and
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Heikki Linnakangas)
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</para>
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<para>
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@ -489,11 +492,11 @@ do it for earlier branch release files.
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<para>
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When we update a tuple without changing any of its indexed columns,
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and the new version can be stored on the same heap page, we no
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longer generate extra index entries for the new version. Instead,
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index searches follow the HOT-chain links to ensure they find the
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correct tuple version. In addition, this patch introduces the
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ability to "prune" dead tuples on a per-page basis, without having
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and the new version can be stored on the same heap page, we no longer
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generate extra index entries for the new version. Instead, index
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searches follow the HOT-chain links to ensure they find the correct
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tuple version. In addition, this patch introduces the ability to
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<quote>prune</quote> dead tuples on a per-page basis, without having
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to do a complete <command>VACUUM</command> pass to recover space.
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<command>VACUUM</command> is still needed to clean up dead index
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entries, however.
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@ -556,7 +559,7 @@ do it for earlier branch release files.
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read-only transactions, this should improve performance noticeably;
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not so much from removal of the actual XID-assignments, as from
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reduction of overhead that's driven by the rate of XID consumption.
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We add a concept of a "virtual transaction ID" so that active
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We add a concept of a <quote>virtual transaction ID</> so that active
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transactions can be uniquely identified even if they don't have a
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regular XID. This is a much lighter-weight concept: uniqueness of
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VXIDs is only guaranteed over the short term, and no on-disk record
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@ -585,8 +588,8 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Create a dedicated "wal writer" process to offload WAL-writing work
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from backends (Simon)
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Create a dedicated <quote>wal writer</quote> process to offload
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WAL-writing work from backends (Simon)
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</para>
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<para>
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@ -657,9 +660,9 @@ do it for earlier branch release files.
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Large sequential scans now synchronize with each other, so that when
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multiple backends are scanning the same relation concurrently, each
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page is (ideally) read only once. Note that a backend joining such
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a scan starts in the middle of the relation and "wraps around" to
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cover all blocks; this may affect the order in which rows are
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returned.
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a scan starts in the middle of the relation and <quote>wraps
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around</quote> to cover all blocks; this may affect the order in which
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rows are returned.
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</para>
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</listitem>
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@ -711,8 +714,8 @@ do it for earlier branch release files.
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<para>
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This change uses a Materialize node between the mergejoin and the
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sort to prevent the sort from having to "back up", which allows a
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more efficient sort. The Materialize node keeps a circular
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sort to prevent the sort from having to <quote>back up</>, which
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allows a more efficient sort. The Materialize node keeps a circular
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buffer of only the prior tuples that the mergejoin may actually
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need again, so it usually won't need to spill to disk, resulting
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in net I/O savings.
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@ -815,7 +818,8 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Add ssl_ciphers parameter to control allowed ciphers (Victor Wagner)
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Add <varname>ssl_ciphers</> parameter to control allowed ciphers
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(Victor Wagner)
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</para>
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</listitem>
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@ -890,8 +894,8 @@ do it for earlier branch release files.
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This avoids Windows-specific problems with localized time zone names
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that are in the wrong encoding. There is a new
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<varname>log_timezone</> parameter that controls the timezone used
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in log messages, separately from the client-visible timezone
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parameter.
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in log messages, separately from the client-visible
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<varname>timezone</> parameter.
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</para>
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</listitem>
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@ -1019,8 +1023,8 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Merge <varname>stats_block_level</> and <varname>stats_row_level</>
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parameters into a single parameter track_counts, which controls all
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reports sent to the collector process (Tom)
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parameters into a single parameter <varname>track_counts</>,
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which controls all reports sent to the collector process (Tom)
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</para>
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</listitem>
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@ -1050,7 +1054,8 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Arrange to put TOAST tables belonging to temporary tables into
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special schemas named pg_toast_temp_nnn (Tom)
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special schemas named
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<literal>pg_toast_temp_<replaceable>nnn</></literal> (Tom)
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</para>
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<para>
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@ -1122,7 +1127,9 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Support UPDATE/DELETE WHERE CURRENT OF cursor_name (Arul Shaji, Tom)
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Support <literal>UPDATE/DELETE WHERE CURRENT OF</>
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<replaceable>cursor_name</>
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(Arul Shaji, Tom)
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</para>
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</listitem>
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@ -1355,7 +1362,7 @@ do it for earlier branch release files.
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<para>
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There is now a sound semantic basis for the equality checks applied
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by foreign-key constraints; formerly the system tended to assume
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that any operator named "=" was the right thing. The equality
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that any operator named <literal>=</> was the right thing. The equality
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operators will now be selected from the opfamily of the unique index
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that the FK constraint depends on to enforce uniqueness of the
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referenced columns; therefore they are certain to be consistent with
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@ -1363,8 +1370,8 @@ do it for earlier branch release files.
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the problem noted awhile back that pg_dump may fail for foreign-key
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constraints on user-defined types when the required operators aren't
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in the search path. This also means that the former warning
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condition about "foreign key constraint will require costly
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sequential scans" is gone: if the comparison condition isn't
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condition about <quote>foreign key constraint will require costly
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sequential scans</quote> is gone: if the comparison condition isn't
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indexable then we'll reject the constraint entirely.
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</para>
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</listitem>
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@ -1385,34 +1392,35 @@ do it for earlier branch release files.
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<para>
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A database owner is now allowed to create a language in his database
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if it's marked "tmpldbacreate" in pg_pltemplate. The factory
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default is that this is set for all standard trusted languages, but
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of course a superuser may adjust the settings. In service of this,
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add the long-foreseen owner column to pg_language; renaming,
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dropping, and altering owner of a PL now follow normal ownership
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rules instead of being superuser-only.
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if it's marked <structfield>tmpldbacreate</> in
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<structname>pg_pltemplate</>. The factory default is that this is set
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for all standard trusted languages, but of course a superuser may
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adjust the settings. In service of this, add the long-foreseen owner
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column to <structname>pg_language</>; renaming, dropping, and altering
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owner of a PL now follow normal ownership rules instead of being
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superuser-only.
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</para>
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</listitem>
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<listitem>
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<para>
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Arrange for SET LOCAL's effects to persist until the end of the
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current top transaction, unless rolled back or overridden by a SET
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clause for the same variable attached to a surrounding function call
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(Tom)
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Arrange for <command>SET LOCAL</command>'s effects to persist until
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the end of the current top transaction, unless rolled back or
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overridden by a SET clause for the same variable attached to a
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surrounding function call (Tom)
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</para>
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<para>
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This is an incompatible change: in 8.0 through 8.2, SET LOCAL's
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effects disappeared at subtransaction commit (leading to behavior
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that made little sense at the SQL level).
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This is an incompatible change: in 8.0 through 8.2, <command>SET
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LOCAL</command>'s effects disappeared at subtransaction commit
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(leading to behavior that made little sense at the SQL level).
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</para>
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</listitem>
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<listitem>
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<para>
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Support <literal>SET FROM CURRENT</literal> in <command>CREATE/ALTER
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FUNCTION</command>, <command>ALTER DATABASE</command>,
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Support <literal>SET ... FROM CURRENT</literal> in
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<command>CREATE/ALTER FUNCTION</command>, <command>ALTER DATABASE</command>,
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<command>ALTER ROLE</command> (Tom)
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</para>
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@ -1474,7 +1482,8 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Support new syntax for <command>CLUSTER</command>: <literal>CLUSTER
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<replaceable>table</> USING <replaceable>index</></literal> (Holger Schurig)
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<replaceable>table</> USING <replaceable>index</></literal>
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(Holger Schurig)
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</para>
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<para>
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@ -1516,7 +1525,8 @@ do it for earlier branch release files.
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</para>
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<para>
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This fix banishes the old hack of showing <quote>?columnN?</quote>
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This fix banishes the old hack of showing
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<literal>?column<replaceable>N</>?</literal>
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when things got too complicated.
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</para>
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</listitem>
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@ -1528,10 +1538,10 @@ do it for earlier branch release files.
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</para>
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<para>
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For example, "BEGIN; DROP DATABASE; COMMIT" will now be rejected
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even if submitted as a single Query message. This is a potential
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incompatibility since some clients expected such strings to work;
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but it was always unsafe.
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For example, <literal>BEGIN; DROP DATABASE; COMMIT</> will now be
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rejected even if submitted as a single Query message. This is a
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potential incompatibility since some clients expected such strings to
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work; but it was always unsafe.
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</para>
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</listitem>
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@ -1555,8 +1565,8 @@ do it for earlier branch release files.
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</para>
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<para>
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Formerly, these commands accepted "schema.relation" but then ignored
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the schema part, leading to confusion.
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Formerly, these commands accepted <quote>schema.relation</> but then
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ignored the schema part, leading to confusion.
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</para>
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</listitem>
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@ -1642,7 +1652,8 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Add "isodow" option to EXTRACT() and date_part() (Bruce)
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Add <literal>isodow</> option to <function>EXTRACT()</> and
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<function>date_part()</> (Bruce)
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</para>
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<para>
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@ -1667,7 +1678,7 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Make <function>to_timestamp()</> and <function>to_date()</> assume
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"TM" for potentially variable-width fields (Bruce)
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<quote>TM</quote> for potentially variable-width fields (Bruce)
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</para>
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<para>
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@ -1770,13 +1781,34 @@ do it for earlier branch release files.
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The two argument form of <function>convert()</function> is gone, and
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the three argument form now takes a <type>bytea</type> first
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argument and returns a <type>bytea</type>. To cover this loss three
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new functions are introduced: . convert_from(bytea, name) returns
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text - converts the first argument from the named encoding to the
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database encoding . convert_to(text, name) returns bytea - converts
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the first argument from the database encoding to the named encoding
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. length(bytea, name) returns int - gives the length of the first
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argument in characters in the named encoding.
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new functions are introduced:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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<function>convert_from(bytea, name)</function> returning
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<type>text</> — converts the first argument from the named
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encoding to the database encoding.
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</para>
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</listitem>
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<listitem>
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<para>
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<function>convert_to(text, name)</function> returning <type>bytea</>
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— converts the first argument from the database encoding to
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the named encoding.
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</para>
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</listitem>
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<listitem>
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<para>
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<function>length(bytea, name)</function> returning <type>int</>
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— gives the length of the first argument in characters in the
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named encoding.
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</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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@ -1827,7 +1859,7 @@ do it for earlier branch release files.
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<listitem>
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<para>
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Support scrollable cursors (ie, add a "direction" clause in
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Support scrollable cursors (ie, add a direction clause in
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<command>FETCH</command>) in PL/PgSQL (Pavel Stehule)
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</para>
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</listitem>
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@ -1964,20 +1996,22 @@ do it for earlier branch release files.
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|
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<listitem>
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<para>
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List disabled triggers separately in "\d" output
|
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List disabled triggers separately in <literal>\d</literal> output
|
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(Brendan Jurd)
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</para>
|
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</listitem>
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|
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<listitem>
|
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<para>
|
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Identify schema of inherited table in "\d" output (Bernd Helmle)
|
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Identify schema of inherited table in <literal>\d</literal> output
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(Bernd Helmle)
|
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</para>
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</listitem>
|
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|
||||
<listitem>
|
||||
<para>
|
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Show aggregate return types in "\da" output (Greg Sabino Mullane)
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Show aggregate return types in <literal>\da</literal> output
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(Greg Sabino Mullane)
|
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</para>
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</listitem>
|
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|
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@ -2043,7 +2077,8 @@ do it for earlier branch release files.
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|
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<listitem>
|
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<para>
|
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Flush the \o file, if any, after each backslash command (Tom)
|
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Flush the <literal>\o</> file, if any, after each backslash command
|
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(Tom)
|
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</para>
|
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</listitem>
|
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|
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@ -2077,7 +2112,7 @@ do it for earlier branch release files.
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<listitem>
|
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<para>
|
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Allow pg_dumpall to accept an initial-connection database name
|
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rather than the default "template1" (Dave Page)
|
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rather than the default <literal>template1</literal> (Dave Page)
|
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</para>
|
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</listitem>
|
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|
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@ -2333,7 +2368,7 @@ do it for earlier branch release files.
|
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<listitem>
|
||||
<para>
|
||||
Clean up SPI's API a little bit by declaring SPI plan pointers as
|
||||
"SPIPlanPtr" instead of "void *" (Tom)
|
||||
<literal>SPIPlanPtr</> instead of <literal>void *</> (Tom)
|
||||
</para>
|
||||
|
||||
<para>
|
||||
@ -2370,7 +2405,7 @@ do it for earlier branch release files.
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Support "gmake draft" in doc/src/sgml/Makefile (Bruce)
|
||||
Support <literal>gmake draft</literal> in doc/src/sgml/Makefile (Bruce)
|
||||
</para>
|
||||
</listitem>
|
||||
|
||||
@ -2549,7 +2584,7 @@ do it for earlier branch release files.
|
||||
|
||||
<listitem>
|
||||
<para>
|
||||
Create a function variable "join_search_hook" to let plugins
|
||||
Create a function variable <literal>join_search_hook</> to let plugins
|
||||
override the join search order portion of the planner (Julius
|
||||
Stroffek)
|
||||
</para>
|
||||
|
||||
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Reference in New Issue
Block a user