Update 9.1 release notes to reflect commits through today.

Also do some desultory copy-editing on the notes.

diff --git a/doc/src/sgml/extend.sgml b/doc/src/sgml/extend.sgml
index 5ff6d16a41ab292495b0093ca53999f982fb8618..ab538cb500867a9bc38805d8708d24bed6506204 100644 (file)
--- a/doc/src/sgml/extend.sgml
+++ b/doc/src/sgml/extend.sgml
@@ -354,7 +354,7 @@
     considered members of the extension.
    
 
-    id="extension">
+   
     Extension Files
 
    

diff --git a/doc/src/sgml/release-9.1.sgml b/doc/src/sgml/release-9.1.sgml
index 69f34d36cda94e2f73a432c8eb9958236d7c763e..2d6c8edf9bd9234ba7d4085a32666bbf698a1108 100644 (file)
--- a/doc/src/sgml/release-9.1.sgml
+++ b/doc/src/sgml/release-9.1.sgml
@@ -9,7 +9,7 @@
    2011-??-??
   
 
-  CURRENT AS OF 2011-03-15
+  CURRENT AS OF 2011-06-09
 
   
    Overview
@@ -87,6 +87,9 @@
        For example, disallow
        composite_value.text and
        text(composite_value).
+       Unintentional uses of this syntax have frequently resulted in bug
+       reports; although it was not a bug, it seems better to go back to
+       rejecting such expressions.
        The CAST and :: syntaxes are still available
        for use when a cast of an entire composite value is actually intended.
       
@@ -106,12 +109,6 @@
        rechecking the domain type's constraints, whereas before the checks
        were skipped.
       
-
-      
-       Also, such a domain type is no longer allowed to match an
-       anyarray parameter of a polymorphic function, except by
-       explicitly downcasting it to the base array type.
-      
      
 
     
@@ -236,7 +233,7 @@
 
      
       
-       Adjust PL/pgSQL's error line reporting code to be consistent
+       Adjust PL/pgSQL's error line numbering code to be consistent
        with other PLs (Pavel Stehule)
       
 
@@ -247,6 +244,34 @@
       
      
 
+     
+      
+       Make PL/pgSQL complain about conflicting IN and OUT parameter names
+       (Tom Lane)
+      
+
+      
+       Formerly, the collision was not detected, and the name would just
+       silently refer to only the OUT parameter.
+      
+     
+
+     
+      
+       Type modifiers of PL/pgSQL variables are now visible to the SQL parser
+       (Tom Lane)
+      
+
+      
+       A type modifier (such as a varchar length limit) attached to a PL/pgSQL
+       variable was formerly enforced during assignments, but was ignored for
+       all other purposes.  Such variables will now behave more like table
+       columns declared with the same modifier.  This is not expected to make
+       any visible difference in most cases, but it could result in subtle
+       changes for some SQL commands issued by PL/pgSQL functions.
+      
+     
+
     
 
    
@@ -258,7 +283,7 @@
 
      
       
-       Have 
+       Make 
        linkend="monitoring-stats-funcs-table">pg_stat_reset()
        reset all database-level statistics (Tomas Vondra)
       
@@ -303,15 +328,17 @@
 
       
        
-        Allow unlogged tables using the 
+        Support unlogged tables using the 
         linkend="SQL-CREATETABLE-description">UNLOGGED
-        clause in CREATE
+        option in CREATE
         TABLE (Robert Haas)
        
 
        
-        These tables are optimized for performance but are cleared in
-        case of a server crash.
+        Such tables provide better update performance than regular tables,
+        but are not crash-safe: their contents are automatically cleared in
+        case of a server crash.  Their contents do not propagate to
+        replication slaves, either.
        
       
 
@@ -369,37 +396,26 @@
 
       
        
-        Allow inheritance table queries to return meaningfully-sorted
-        results (Greg Stark, Hans-Jurgen Schonig, Robert Haas, Tom
-        Lane)
-       
-
-       
-        This allows optimization of ORDER BY and
-        LIMIT clauses in inheritance table queries.
+        Allow inheritance table scans to return meaningfully-sorted
+        results (Greg Stark, Hans-Jurgen Schonig, Robert Haas, Tom Lane)
        
-      
 
-      
        
-         Allow optimizations of MIN/MAX for
-         inheritance table queries (Tom Lane)
+        This allows better optimization of queries that use ORDER
+        BY, LIMIT, or MIN/MAX with
+        inherited tables.
        
       
 
       
        
-        Support hashing array values (Tom Lane)
-       
-
-       
-        This provides additional query optimization possibilities.
+         Improve GIN index scan cost estimation (Teodor Sigaev)
        
       
 
       
        
-         Improve GIN index scan cost estimation (Teodor Sigaev)
+        Improve cost estimation for aggregates and window functions (Tom Lane)
        
       
 
@@ -439,6 +455,20 @@
        
       
 
+      
+       
+        Reject local lines in 
+        linkend="auth-pg-hba-conf">pg_hba.conf
+        on platforms that don't support Unix-socket connections
+        (Magnus Hagander)
+       
+
+       
+        Formerly, such lines were silently ignored, which could be surprising.
+        This makes the behavior more like other unsupported cases.
+       
+      
+
       
        
         Allow GSSAPI
@@ -452,6 +482,34 @@
        
       
 
+      
+       
+        ident
+        authentication over local sockets is now known as
+        peer
+        (Magnus Hagander)
+       
+
+       
+        The old term is still accepted for backward compatibility.
+       
+      
+
+      
+       
+        Rewrite peer
+        authentication to avoid use of credential control messages (Tom Lane)
+       
+
+       
+        This change makes the peer authentication code simpler and
+        better-performing.  However, it requires the platform to provide the
+        getpeereid function or an equivalent socket operation.
+        So far as is known, the only platform for which peer authentication
+        worked before and now will not is pre-5.0 NetBSD.
+       
+      
+
      
 
     
@@ -625,7 +683,23 @@
 
       
        This avoids the requirement of manually transferring a file
-       system backup when creating a standby server.
+       system backup when setting up a standby server.
+      
+     
+
+     
+      
+       Add
+       replication_timeout
+       setting (Fujii Masao, Heikki Linnakangas)
+      
+
+      
+       Replication connections that are idle for more than the
+       replication_timeout interval will be terminated
+       automatically.  Formerly, a failed connection was typically not
+       detected until the TCP timeout elapsed, which is inconveniently
+       long in many situations.
       
      
 
@@ -645,23 +719,10 @@
       
 
       
-       This is a read-only permission used for streaming replication
-       and allows non-superusers to initiate replication connections.
+       This is a read-only permission used for streaming replication.
+       It allows a non-superuser role to be used for replication connections.
        Previously only superusers could initiate replication
-       connections;  superusers have this permission by default.
-      
-     
-
-     
-      
-       ident
-       authentication over local sockets is now known as
-       peer
-       (Magnus Hagander)
-      
-
-      
-       The old term is still accepted for backward compatibility.
+       connections; superusers still have this permission by default.
       
      
 
@@ -695,7 +756,7 @@
        
 
        
-        This returns the time on the primary that generated the most
+        This returns the time at which the primary generated the most
         recent commit or abort record applied on the standby.
        
       
@@ -822,7 +883,7 @@
        
         These named restore points can be specified as recovery
         targets using the new recovery.conf setting
-        recovery_target_name
+        recovery_target_name.
        
       
 
@@ -842,8 +903,8 @@
        
         Add 
         linkend="guc-restart-after-crash">restart_after_crash
-        which disables server restart after a backend crash (Robert
-        Haas)
+        setting which disables automatic server restart after a backend
+        crash (Robert Haas)
        
 
        
@@ -987,6 +1048,23 @@
 
      
 
+      
+       
+        Add extensions which
+        simplify packaging of additions to PostgreSQL
+        (Dimitri Fontaine, Tom Lane)
+       
+
+       
+        Extensions are controlled by the new 
+        linkend="SQL-CREATEEXTENSION">CREATE/
+        linkend="SQL-ALTEREXTENSION">ALTER/
+        linkend="SQL-DROPEXTENSION">DROP EXTENSION
+        commands.  This replaces ad-hoc methods of grouping objects that
+        are added to a PostgreSQL installation.
+       
+      
+
       
        
         Add support for foreign
@@ -1041,6 +1119,19 @@
        
       
 
+      
+       
+        Support ALTER TABLE name {OF | NOT OF}
+        type
+        (Noah Misch)
+       
+
+       
+        This syntax allows a standalone table to be made into a typed table,
+        or a typed table to be made standalone.
+       
+      
+
       
        
         Add support for more object types in ALTER ... SET
@@ -1049,7 +1140,7 @@
 
        
         This command is now supported for conversions, operators, operator
-        classes, operator families, text search configurations, and text search
+        classes, operator families, text search configurations, text search
         dictionaries, text search parsers, and text search templates.
        
       
@@ -1071,7 +1162,7 @@
        
 
        
-        This allows a primary key or unique constraint to be added using an
+        This allows a primary key or unique constraint to be defined using an
         existing unique index, including a concurrently created unique index.
        
       
@@ -1120,8 +1211,8 @@
       
        
         Fix possible tuple concurrently updated error
-        when two server backends attempted to add an inheritance
-        parent to the same table at the same time (Robert Haas)
+        when two backends attempted to add an inheritance
+        child to the same table at the same time (Robert Haas)
        
 
        
@@ -1356,7 +1447,7 @@
      
       
        Allow numeric to use a more compact, two-byte header
-       in many cases (Robert Haas)
+       in common cases (Robert Haas)
       
 
       
@@ -1388,6 +1479,30 @@
       
      
 
+     
+      
+       Support hashing array values (Tom Lane)
+      
+
+      
+       This provides additional query optimization possibilities.
+      
+     
+
+     
+      
+       Don't treat a composite type as sortable unless all its column types
+       are sortable (Tom Lane)
+      
+
+      
+       This avoids possible could not identify a comparison function
+       failures at runtime, if it is possible to implement the query without
+       sorting.  Also, ANALYZE won't try to use inappropriate
+       statistics-gathering methods for columns of such composite types.
+      
+     
+
     
 
     
@@ -1402,6 +1517,13 @@
       
      
 
+     
+      
+       Add support for casting from int4 and int8
+       to numeric (Joey Adams)
+      
+     
+
       
        
         Allow casting a table's row type to the table's supertype if
@@ -1538,9 +1660,12 @@
        
 
        
-        This function is used to obtain a human-readable string describing an
-        object, based on the pg_class OID, object OID, and sub-object OID.  It can be used to
-        help interpret the contents of pg_depend.
+        This function is used to obtain a human-readable string describing
+        an object, based on the 
+        linkend="catalog-pg-class">pg_class
+        OID, object OID, and sub-object ID.  It can be used to help
+        interpret the contents of 
+        linkend="catalog-pg-depend">pg_depend.
        
       
 
@@ -1549,6 +1674,11 @@
          Update comments for built-in operators and their underlying
          functions (Tom Lane)
        
+
+       
+        Functions that are meant to be used via an associated operator
+        are now commented as such.
+       
       
 
       
@@ -1603,7 +1733,7 @@
 
       
        
-        Allow INSTEAD
+        Support INSTEAD
         OF triggers on views (Dean Rasheed)
        
 
@@ -1772,6 +1902,12 @@
        
       
 
+      
+       
+         Add traceback information to PL/Python errors (Jan Urbanski)
+       
+      
+
       
        
          Report PL/Python errors from iterators with PLy_elog (Jan
@@ -1820,7 +1956,7 @@
 
       
        
-         Add the \conninfo command to psql,
+         Add psql command \conninfo
          to show current connection information (David Christensen)
        
       
@@ -1841,8 +1977,8 @@
 
       
        
-        Add system table S option to psql
-        \dn (schemas) (Tom Lane)
+        Add S (system) option to psql's
+        \dn (list schemas) command (Tom Lane)
        
 
        
@@ -1859,8 +1995,8 @@
        
 
        
-        This is passed to the editor using the
-        EDITOR_LINENUMBER_SWITCH environment variable.
+        This is passed to the editor according to the
+        EDITOR_LINENUMBER_SWITCH psql variable.
        
       
 
@@ -1878,11 +2014,24 @@
 
       
        
-        Make <application>psql> distinguish between unique
+        Make <literal>\d> distinguish between unique
         indexes and unique constraints (Josh Kupershmidt)
        
       
 
+      
+       
+        Make \dt+ report pg_table_size
+        instead of pg_relation_size when talking to 9.0 or
+        later servers (Bernd Helmle)
+       
+
+       
+        This is a more useful measure of table size, but note that it is
+        not identical to what was previously reported in the same display.
+       
+      
+
       
        
         Additional tab completion support (Itagaki Takahiro, Pavel Stehule,
@@ -1946,9 +2095,14 @@
       
        
         Improve pg_ctl start's wait
-        (-w) mode to handle non-standard port numbers,
-        non-standard Unix-domain socket locations, permission
-        problems, and stale postmaster lock files (Bruce Momjian)
+        (-w) option (Bruce Momjian, Tom Lane)
+       
+
+       
+        The wait mode is now significantly more robust.  It will not get
+        confused by non-default postmaster port numbers, non-default
+        Unix-domain socket locations, permission problems, or stale
+        postmaster lock files.
        
       
 
@@ -2002,15 +2156,16 @@
 
       
        
-        Allow libpq database clients to use Unix-domain sockets to
+        Allow libpq database clients to
         check the user name of the server process using 
         linkend="libpq-connect-requirepeer">requirepeer
+        when connecting via Unix-domain sockets
         (Peter Eisentraut)
        
 
        
-        PostgreSQL already allowed servers to determine
-        the client user name via Unix-domain sockets.
+        PostgreSQL already allowed servers to check
+        the client user name when connecting via Unix-domain sockets.
        
       
 
@@ -2023,8 +2178,8 @@
        
 
        
-        The allow detection of the server's status without creating
-        a new session.
+        These functions allow detection of the server's status without
+        trying to open a new session.
        
       
 
@@ -2056,18 +2211,13 @@
 
       
        
-        Add extensions which simplify
-        packaging of additions to PostgreSQL (Dimitri
-        Fontaine, Tom Lane)
+        Use +Olibmerrno compile flag with HP-UX C compilers
+        that accept it (Ibrar Ahmed)
        
 
        
-        This is controlled by the new 
-        linkend="SQL-CREATEEXTENSION">CREATE/
-        linkend="SQL-ALTEREXTENSION">ALTER/
-        linkend="SQL-DROPEXTENSION">DROP EXTENSION 
-        command;  this replaces a more manual method of adding features
-        to PostgreSQL.
+        This avoids possible misbehavior of math library calls on recent
+        HP platforms.
        
       
 
@@ -2085,7 +2235,7 @@
 
        
         This allows for faster compiles.  Also, make -k
-        now works properly.
+        now works more consistently.
        
       
 
@@ -2101,6 +2251,33 @@
        
       
 
+      
+       
+        Add make maintainer-check target
+        (Peter Eisentraut)
+       
+
+       
+        This target performs various source code checks that are not
+        appropriate for either the build or the regression tests.  Currently:
+        duplicate_oids, SGML syntax and tabs check, NLS syntax check.
+       
+      
+
+      
+       
+        Support make check in contrib
+        (Peter Eisentraut)
+       
+
+       
+        Formerly only make installcheck worked, but now
+        there is support for testing in a temporary installation.
+        The top-level make check-world target now includes
+        testing contrib this way.
+       
+      
+
      
 
     
@@ -2137,7 +2314,7 @@
 
        
         This allows building 64-bit Windows binaries even on non-Windows
-        platforms with cross-compiling.
+        platforms via cross-compiling.
        
       
 
@@ -2152,6 +2329,19 @@
 
      
 
+      
+       
+        Revise the API for GUC variable assign hooks (Tom Lane)
+       
+
+       
+        The previous functions of assign hooks are now split between check
+        hooks and assign hooks, where the former can fail but the latter
+        shouldn't.  This change will impact add-on modules that define custom
+        GUC parameters.
+       
+      
+
       
        
          Add latches to the source code to wait for events (Heikki
@@ -2267,13 +2457,9 @@
       
        Modify contrib modules and stored procedure
        languages to install via the new 
-       linkend="extension">extension mechanism (Tom Lane,
+       linkend="extend-extensions">extension mechanism (Tom Lane,
        Dimitri Fontaine)
       
-
-      
-       This replaces a more manual method of installation.
-      
      
 
      
@@ -2307,9 +2493,9 @@
 
      
       
-        Allow 
+        Fix 
         linkend="fuzzystrmatch">contrib/fuzzystrmatch's
-        levenshtein() function handle multibyte characters
+        levenshtein() function to handle multibyte characters
         (Alexander Korotkov)
       
      
@@ -2569,7 +2755,7 @@
       
 
       
-       This parameter shows table storage options.
+       This function shows table storage options in a readable form.
       
      
 




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