docs: 9.4 release notes adjustments

Patch by Andres Freund, slight adjustments by me

diff --git a/doc/src/sgml/release-9.4.sgml b/doc/src/sgml/release-9.4.sgml
index e537a1fae520a47b9bc4b3126ec5b776a6bb6f1c..cabfbdd1e96081220fa0c8342f059d88be24a9e1 100644 (file)
--- a/doc/src/sgml/release-9.4.sgml
+++ b/doc/src/sgml/release-9.4.sgml
@@ -29,8 +29,8 @@
 
      
       
-       Logical change-set extraction allows database
-       changes to be optionally recorded in logical format
+       Logical decoding allows database
+       changes to be streamed out in customizable format
       
      
 
@@ -221,6 +221,17 @@
      
     
 
+    
+     
+      Handle domains over arrays like plain arrays in PL/Python
+      (Rodolfo Campero)
+     
+
+     
+      Previously they were treated as strings.
+     
+    
+
     
      
       Have libpq's 
@@ -263,6 +274,15 @@
      
     
 
+    
+     
+      The maximum number of background workers
+      that can be registered
+      by RegisterBackgroundWorker() is now limited to
+      max_worker_processes
+     
+    
+
    
 
   
@@ -452,15 +472,15 @@
 
       
        
-        Freeze
-        tuples when tables are written with 
+        Attempt to freeze
+        tuples when tables are rewritten with 
         linkend="SQL-CLUSTER">CLUSTER or 
         linkend="SQL-VACUUM">VACUUM FULL (Robert Haas,
         Andres Freund)
        
 
        
-        This avoids the need to freeze the tuples in the future.
+        This can avoid the need to freeze the tuples in the future.
        
       
 
@@ -545,12 +565,9 @@
 
       
        
-        Add xid and 
-        linkend="ddl-system-columns">xmin
-        to system views 
-        linkend="pg-stat-activity-view">pg_stat_activity
-        and 
-        linkend="pg-stat-replication-view">pg_stat_replication
+        Add backend_xid and backend_xmin columns to
+        the system view pg_stat_activity
+        and backend_xmin to pg_stat_replication
         (Christian Kruse)
        
       
@@ -571,10 +588,10 @@
        
 
        
-        Such keys are faster and have improved security
-        over previous options.  New variable 
-        linkend="guc-ssl-ecdh-curve">ssl_ecdh_curve
-        controls the curve that is used.
+        Such keys are faster and have improved security over previous
+        options. The new configuration
+        parameter linkend="guc-ssl-ecdh-curve">ssl_ecdh_curve
+        controls which curve is used.
        
       
 
@@ -617,15 +634,14 @@
 
       
        
-        Add SQL-level command 
+        Add SQL-level 
         linkend="SQL-ALTERSYSTEM">ALTER SYSTEM command
-        to edit the postgresql.conf configuration file
-        (Amit Kapila)
+        to adjust server-wide settings (Amit Kapila)
        
 
        
-        Previously postgresql.conf could only be edited at
-        the file system level.
+        Previously such settings could only be changed by
+        editing postgresql.conf at the file system level.
        
       
 
@@ -680,8 +696,8 @@
        
 
        
-        Hint bits are not normally logged, except when checksums are
-        enabled.  This is useful for tools like pg_rewind.
+        Hint bits are not normally logged, except when checksums are enabled.
+        This is useful for external tools like pg_rewind.
        
       
 
@@ -702,9 +718,10 @@
        
 
        
-        Such libraries are auto-
-        linkend="SQL-LOAD">LOAD'ed, unlike 
-        linkend="guc-local-preload-libraries">local_preload_libraries.
+        In contrast
+        to local_preload_libraries,
+        this parameter can load any shared library, not just those in
+        the $libdir/plugins directory.
        
       
 
@@ -775,16 +792,14 @@
 
       
        
-        Add 
-        linkend="recovery-config">recovery.conf
-        parameter 
-        linkend="recovery-min-apply-delay">recovery_min_apply_delay
-        to force delayed replication (Robert Haas, Fabrízio de
-        Royes Mello, Simon Riggs)
+        Add recovery.conf
+        parameter recovery_min_apply_delay
+        to delay replication (Robert Haas, Fabrízio de Royes Mello,
+        Simon Riggs)
        
 
        
-        This is useful for delaying replaying of user errors on standby
+        This is useful for delaying the replay of user errors on standby
         servers.
        
       
@@ -793,11 +808,9 @@
        
         Add 
         linkend="recovery-target">recovery_target
-        option immediate option to replay
-        WAL stop
-        recovery when a consistent state is reached, i.e.  
-        linkend="functions-admin-backup-table">pg_stop_backup()
-        (MauMau, Heikki Linnakangas)
+        option immediate to stop 
+        linkend="wal">WAL recovery as soon as a
+        consistent state is reached (MauMau, Heikki Linnakangas)
        
       
 
@@ -807,11 +820,11 @@
        
 
        
-        The timestamp reported by 
-        linkend="functions-recovery-info-table">pg_last_xact_replay_timestamp()
-        now shows information about committed records, not commits being
-        replayed.  Recovering to restore points now replay the restore
-        point, rather than stop just before the restore point.
+        The timestamp reported
+        by linkend="functions-recovery-info-table">pg_last_xact_replay_timestamp()
+        now shows information about already-committed records, not of transactions
+        about to be committed. Recovering to a restore point now replays the
+        restore point, rather than stopping just before the restore point.
        
       
 
@@ -831,8 +844,8 @@
       
        
         Add replication
-        slots to report the WAL activity on streaming
-        standbys (Andres Freund, Robert Haas)
+        slots to coordinate activity on streaming standbys with the
+        node they are streaming from (Andres Freund, Robert Haas)
        
 
        
@@ -872,19 +885,18 @@
      
 
      
-      <link linkend="logicaldecoding">Logical <span class="marked">Change-Set Extraction</span></>
+      <link linkend="logicaldecoding">Logical <span class="marked">Decoding</span></>
 
       
-       Logical change-set extraction allows database
-       changes to be optionally recorded in logical format
-       in the WAL.  This format can
-       be easily processed by external tools.  In previous releases, only
-       binary changes were recorded in the WAL.  To implement
-       this feature, the following changes were made:
+       Logical decoding allows database changes to be optionally streamed in a
+       configurable format. The data is read from
+       the WAL and transformed into the
+       desired target format. To implement this feature, the following changes
+       were made:
       
 
       
-
+       
        
         
          Add new logical 
@@ -953,15 +965,15 @@
       
        
         Add ROWS
-        FROM syntax to allow horizontal concatenation of
-        FROM-clause set-returning functions (Andrew Gierth)
+        FROM() syntax to allow horizontal concatenation of
+        set-returning functions in the FROM-clause (Andrew Gierth)
        
       
 
       
        
         Add WITH
-        ORDINALITY which numbers rows returned from
+        ORDINALITY syntax which numbers rows returned from
         FROM-clause functions (Andrew Gierth, David Fetter)
        
 
@@ -978,8 +990,9 @@
        
 
        
-        This was added for consistency, and so querying tables with no
-        columns would not produce an error.
+        
+        This was added so views that select from a table with zero columns
+        can be dumped correctly.
        
       
 
@@ -1000,14 +1013,16 @@
        
 
        
+        
         DISCARD ALL will now also discard such information.
        
       
 
        
         
-         Allow quoted strings matching the null string to be converted
-         to NULL in COPY FROM
+         Add FORCE NULL option
+         to COPY FROM which causes
+         quoted strings matching the null string to be converted to NULL in
          in CSV mode (Ian Barwick, Michael Paquier)
         
 
@@ -1019,14 +1034,13 @@
 
       
        
-        Issue warnings for SET
-        outside of a transaction block, as they have no effect (Bruce
-        Momjian)
+        Issue warnings for commands used outside of transaction blocks
+        because they have no effect (Bruce Momjian)
        
 
        
         The cases are SET
-        LOCAL/CONSTRAINTS/TRANSACTION and
+        LOCAL, SET CONSTRAINTS, SET TRANSACTION and
         ABORT.
        
       
@@ -1083,9 +1097,9 @@
 
       
        
-        Allow auto-updates
-        on views where only some columns are auto-updateable
-        (Dean Rasheed)
+        Allow the updating of 
+        linkend="SQL-CREATEVIEW-updatable-views">views
+        where only some columns are auto-updateable (Dean Rasheed)
        
 
        
@@ -1147,8 +1161,8 @@
        
 
        
-        Previously, relations moved into the system catalog schema could
-        not be modified.
+        Previously, relations once moved into the system catalog schema could
+        no longer be modified or dropped.
        
       
 
@@ -1204,7 +1218,8 @@
         ON, SET WITHOUT CLUSTER, ALTER COLUMN
         SET STATISTICS, ALTER COLUMN SET
         (attribute_option), ALTER COLUMN RESET
-        (attribute_option).
+        (attribute_option) no longer require ACCESS
+        EXCLUSIVE locks.
        
       
 
@@ -1375,8 +1390,8 @@
        
 
        
-        The functions being with make_, e.g. 
-        linkend="functions-datetime-table">make_date().
+        These functions are prefixed with make_,
+        e.g. linkend="functions-datetime-table">make_date().
        
       
 
@@ -1419,9 +1434,9 @@
 
       
        
-        Add functions for pg_class,
+        Add functions for looking up objects in pg_class,
         pg_proc, pg_type, and
-        pg_operator lookups that do not generate errors for
+        pg_operator which do not generate errors for
         non-existent objects (Yugo Nagata, Nozomi Anzai,
         Robert Haas)
        
@@ -1429,8 +1444,8 @@
        
         For example, 
         linkend="functions-info-catalog-table">to_regclass()
-        does error-free lookups of pg_class, and returns
-        NULL for lookup failures.
+        does lookups of pg_class and returns NULL for
+        non-existent objects.
        
       
 
@@ -1438,7 +1453,7 @@
        
         Add function 
         linkend="functions-admin-dblocation">pg_filenode_relation()
-        to allow for more efficient filenode to relation lookups  (Andres
+        to allow for more efficient filenode to relation lookups (Andres
         Freund)
        
       
@@ -1509,6 +1524,7 @@
       
 
       
+       
        
         Allow polymorphic aggregates to have non-polymorphic state data
         types ? (Tom Lane)
@@ -1589,17 +1605,6 @@
 
      
 
-      
-       
-        Handle domains over arrays like plain arrays in PL/Python
-        (Rodolfo Campero)
-       
-
-       
-        Previously they were treated as strings.
-       
-      
-
       
        
         Convert NUMERICs
@@ -1676,9 +1681,9 @@
 
       
        
-        Allow vacuumdb
-        --analyze-in-stages to analyze in stages of increasing
-        granularity (Peter Eisentraut)
+        Add vacuumdb
+        option --analyze-in-stages to analyze in stages of
+        increasing granularity (Peter Eisentraut)
        
 
        




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