Add doc links to 9.4 release notes, and add major features list

diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index cc458b4753f43554bfde8f50a406efb5582e45b2..828ed9e0927b0469fd73046710159e579c9773a4 100644 (file)
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -3155,7 +3155,7 @@ SELECT person.name, holidays.num_weeks FROM person, holidays
     
    
 
-   
+    id="datatype-line">
     Lines
 
     
@@ -3187,7 +3187,7 @@ SELECT person.name, holidays.num_weeks FROM person, holidays
     
    
 
-   
+    id="datatype-lseg">
     Line Segments
 
     
@@ -3302,7 +3302,7 @@ SELECT person.name, holidays.num_weeks FROM person, holidays
     
    
 
-   
+    id="datatype-polygon">
     Polygons
 
     
@@ -3335,7 +3335,7 @@ SELECT person.name, holidays.num_weeks FROM person, holidays
     
    
 
-   
+    id="datatype-circle">
     Circles
 
     

diff --git a/doc/src/sgml/release-9.4.sgml b/doc/src/sgml/release-9.4.sgml
index 9fbadbd38bc7951af930003a7a2b41887c8a61c7..4cb394b7d21f7041fd17879eeca5bbd06970ae67 100644 (file)
--- a/doc/src/sgml/release-9.4.sgml
+++ b/doc/src/sgml/release-9.4.sgml
@@ -21,10 +21,41 @@
 
    
 
-    
-     
-     
-    
+     
+      
+       Allow materialized views to be refreshed without blocking reads
+      
+     
+
+     
+      
+       Logical change-set extraction allows database
+       changes to be optionally recorded in logical format
+      
+     
+
+     
+      
+        Allow background workers
+        to be dynamically registered, started and terminated
+      
+     
+
+     
+      
+       Add structured (non-text) data type (
+       linkend="datatype-json">JSONB) for storing
+       JSON data
+      
+     
+
+     
+      
+       Add SQL-level command 
+       linkend="SQL-ALTERSYSTEM">ALTER SYSTEM command
+       to edit the postgresql.conf configuration file
+      
+     
 
    
 
@@ -54,41 +85,55 @@
 
     
      
-      Cause consecutive whitespace in to_timestamp() and to_date() format strings to consume a corresponding number of characters in the input
-      string (whitespace or not), then conditionally additional adjacent whitespace if not in FX mode (Jeevan Chalke)
+      Cause consecutive whitespace in 
+      linkend="functions-formatting-table">to_timestamp()
+      and to_date() format strings to consume a corresponding
+      number of characters in the input string (whitespace or not), then
+      conditionally additional adjacent whitespace if not in FX
+      mode (Jeevan Chalke)
      
 
      
-      Previously consecutive whitespace characters in a non-FX format string behaved like a single whitespace character and consumed all
-      adjacent whitespace in the input string.  For example, previously format string space-space-space would consume only the first space in ' 12', while it will not consume all three characters.
+      Previously consecutive whitespace characters in a non-FX
+      format string behaved like a single whitespace character and consumed
+      all adjacent whitespace in the input string.  For example, previously
+      format string space-space-space would consume only the first space in
+      ' 12', while it will not consume all three characters.
      
     
 
     
      
-      Tighten checks for multi-dimensional array input (Bruce Momjian)
+      Tighten checks for multi-dimensional 
+      linkend="arrays">array input (Bruce Momjian)
      
 
      
-      Previously an input array string that started with a single-element array dimension could later contain multi-dimensional
-      segments.
+      Previously an input array string that started with a single-element
+      array dimension could later contain multi-dimensional segments,
+      e.g. '{{1}, {2,3}}'::int[].
      
     
 
     
      
-      Change empty arrays returned by intarray to be zero-dimensional arrays (Bruce Momjian)
+      Change empty arrays returned by intarray to be
+      zero-dimensional arrays (Bruce Momjian)
      
 
      
-      Previously empty arrays were returned as one-dimensional empty arrays whose text representation looks the same as
-      zero-dimensional arrays.  intarray's behavior in this area now matches the built-in array operators.
+      Previously empty arrays were returned as one-dimensional empty arrays
+      whose text representation looked the same as zero-dimensional arrays
+      ({}).  intarray's behavior in this area
+      now matches the built-in array operators.
      
     
 
     
      
-      NULL VARIADIC function arguments are now disallowed (Pavel Stehule)
+      NULL 
+      linkend="xfunc-sql-variadic-functions">VARIADIC
+      function arguments are now disallowed (Pavel Stehule)
      
 
      
@@ -98,17 +143,23 @@
 
     
      
-      SHOW TIME ZONE now outputs constant time zone offsets in POSIX-style zone format (Tom Lane)
+      SHOW TIME ZONE now
+      outputs constant time zone offsets in POSIX-style zone
+      format (Tom Lane)
      
 
      
-      Previously it was returned in INTERVAL format.  The new format can be passed to SET TIME ZONE.
+      Previously it was returned in 
+      linkend="datatype-interval-output">INTERVAL format.
+      The new format can be passed to SET TIME ZONE.
      
     
 
     
      
-      Rename EXPLAIN ANALYZE's "total runtime" output to "execution time" (Tom Lane)
+      Rename EXPLAIN
+      ANALYZE's "total runtime" output to "execution time"
+      (Tom Lane)
      
 
      
@@ -118,17 +169,23 @@
 
     
      
-      Fix ts_rank_cd() to ignore stripped lexemes (Alex Hill)
+      Fix 
+      linkend="textsearch-functions-table">ts_rank_cd()
+      to ignore stripped lexemes (Alex Hill)
      
 
      
-      Previously, stripped lexemes got a default location and could be considered if mixed with non-stripped lexemes.
+      Previously, stripped lexemes got a default location and could be
+      considered if mixed with non-stripped lexemes.
      
     
 
     
      
-      Prevent CHECK constraints from referencing system columns, except tableoid (Amit Kapila)
+      Prevent 
+      linkend="ddl-constraints-check-constraints">CHECK
+      constraints from referencing system columns, except
+      tableoid (Amit Kapila)
      
 
      
@@ -138,54 +195,71 @@
 
     
      
-      Use the last specified recovery_target if multiple are specified (Heikki Linnakangas)
+      Use the last specified 
+      linkend="recovery-target">recovery_target if
+      multiple are specified (Heikki Linnakangas)
      
     
 
     
      
-      Remove system column pg_class.reltoastidxid (Michael Paquier)
+      Remove system column 
+      linkend="catalog-pg-class">pg_class.reltoastidxid
+      (Michael Paquier)
      
     
 
     
      
-      Remove support for native krb5 authentication (Magnus Hagander)
+      Remove support for native krb5 authentication
+      (Magnus Hagander)
      
 
      
-      The proper way to use Kerberos authentication is with GSSAPI.
+      The proper way to use Kerberos authentication is
+      with GSSAPI.
      
     
 
     
      
-      Have libpq's PQconnectdbParams() and PQpingParams() functions accept "" as default (Adrian Vondendriesch)
+      Have libpq's 
+      linkend="libpq-pqconnectdbparams">PQconnectdbParams()
+      and 
+      linkend="libpq-pqpingparams">PQpingParams()
+      functions process zero-length strings as defaults (Adrian
+      Vondendriesch)
      
 
      
-      Previously, these functions treated "" option values as defaults only in some cases.
+      Previously, these functions treated zero-length string values as
+      defaults only in some cases.
      
     
 
     
      
-      Remove system column pg_rewrite.ev_attr (Kevin Grittner)
+      Remove system column 
+      linkend="catalog-pg-rewrite">pg_rewrite.ev_attr
+      (Kevin Grittner)
      
 
      
-      Per-column rules have not been supported since 7.3.
+      Per-column rules have not been supported since
+      PostgreSQL 7.3.
      
     
 
     
      
-      Pg_upgrade now uses -U to specify the user name (Bruce Momjian)
+      Pg_upgrade now
+      uses -U to specify the user name (Bruce Momjian)
      
 
      
-      Previously, -u was used to specify the user name.  Also spell the long option as --username, again for consistency with other
-      tools.
+      Previously, -u was used to specify the user name.
+      Also spell the long option as --username, again for
+      consistency with other tools.
      
     
 
@@ -209,44 +283,57 @@
 
       
        
-        Have VACUUM properly report dead but not removable rows to the statistics collector (Hari Babu)
+        Have VACUUM properly
+        report dead but not removable rows to the statistics collector
+        (Hari Babu)
        
 
        
         Previously these were reported as live rows.
        
       
-
       
        
-        Allow background workers to be dynamically registered, started and terminated (Robert Haas)
+        Allow background workers to be
+        dynamically registered, started and terminated (Robert Haas)
        
 
        
-        worker_spi_launch() in worker_spi shows an example of its use.
+        worker_spi_launch() in worker_spi
+        shows an example of its use.
        
       
 
       
        
-        Allow dynamic allocation of shared memory segments (Robert Haas, Amit Kapila)
+        Allow dynamic allocation of shared memory segments (Robert Haas,
+        Amit Kapila)
+       
+
+       
+        This is illustrated in 
+        linkend="test-shm-mq">test_shm_mq.
        
       
 
       
        
-        Improve SSL renegotiation handling (Álvaro Herrera)
+        Improve SSL renegotiation handling (Álvaro
+        Herrera)
        
       
 
       
        
-        During immediate shutdown, send uncatchable termination signals to child processes that have not already shutdown (MauMau,
+        During immediate shutdown, send uncatchable termination signals
+        to child processes that have not already shutdown (MauMau,
         Álvaro Herrera)
        
 
        
-        This reduces the likelihood of orphaned child processes after postmaster shutdown.
+        This reduces the likelihood of orphaned child processes after
+        postmaster
+        shutdown.
        
       
 
@@ -265,28 +352,39 @@
 
       
        
-        Improve speed of multi-key GIN lookups (Alexander Korotkov, Heikki Linnakangas)
+        Improve speed of multi-key 
+        linkend="GIN">GIN lookups (Alexander Korotkov,
+        Heikki Linnakangas)
        
       
 
       
        
-        Reduce GIN index size (Alexander Korotkov, Heikki Linnakangas)
+        Reduce GIN index size
+        (Alexander Korotkov, Heikki Linnakangas)
        
 
        
-        Indexes upgraded via pg_upgrade will work fine but will use the old larger GIN format;  REINDEX will recreate the index in the new
-        format.
+        Indexes upgraded via 
+        linkend="pgupgrade">pg_upgrade will work
+        fine but will use the old larger GIN format; 
+        linkend="SQL-REINDEX">REINDEX will recreate
+        the index in the new format.
        
       
 
       
        
-        Add GiST index support for INET and CIDR data types (Emre Hasegeli)
+        Add GiST index support
+        for INET and
+        CIDR data types
+        (Emre Hasegeli)
        
 
        
-        Such indexes improve subnet and supernet lookups and ordering comparisons.
+        Such indexes improve 
+        linkend="cidr-inet-operators-table">subnet and supernet
+        lookups and ordering comparisons.
        
       
 
@@ -298,7 +396,8 @@
 
       
        
-        Make the handling of interrupted B-tree page splits more robust (Heikki Linnakangas)
+        Make the handling of interrupted B-tree page splits more robust
+        (Heikki Linnakangas)
        
       
 
@@ -313,7 +412,8 @@
 
       
        
-        Allow multiple backends to simultaneously insert into WAL buffers (Heikki Linnakangas)
+        Allow multiple backends to simultaneously insert into 
+        linkend="wal">WAL buffers (Heikki Linnakangas)
        
 
        
@@ -323,29 +423,40 @@
 
       
        
-        Conditionally write only the modified portion of updated rows to WAL (Amit Kapila)
+        Conditionally write only the modified portion of updated rows to
+        WAL (Amit Kapila)
        
       
 
       
        
-        Improve performance of WINDOW aggregate functions (David Rowley, Florian Pflug, Tom Lane)
+        Improve performance of 
+        linkend="syntax-window-functions">WINDOW
+        aggregate functions (David Rowley, Florian Pflug, Tom Lane)
        
       
 
       
        
-        Improve speed of aggregates which use NUMERICs (Hadi Moshayedi)
+        Improve speed of aggregates which use 
+        linkend="datatype-numeric">NUMERICs (Hadi
+        Moshayedi)
        
 
        
-        These include sum(), avg(), stddev(), and variance().
+        These include SUM(), AVG(), 
+        linkend="functions-aggregate-statistics-table">STDDEV(),
+        and VARIANCE().
        
       
 
       
        
-        Freeze tuples when tables are written with CLUSTER or VACUUM FULL (Robert Haas, Andres Freund)
+        Freeze
+        tuples when tables are written with 
+        linkend="SQL-CLUSTER">CLUSTER or 
+        linkend="SQL-VACUUM">VACUUM FULL (Robert Haas,
+        Andres Freund)
        
 
        
@@ -355,31 +466,39 @@
 
       
        
-        Improve speed of COPY with DEFAULT nextval() columns (Simon Riggs)
+        Improve speed of COPY
+        with DEFAULT 
+        linkend="functions-sequence-table">nextval()
+        columns (Simon Riggs)
        
       
 
       
        
-        Improve speed of accesessing many different sequences in the same session (David Rowley)
+        Improve speed of accesessing many different 
+        linkend="SQL-CREATESEQUENCE">sequences in the same session
+        (David Rowley)
        
       
 
       
        
-        Allow sorting and btree index builds to use over four gigabytes of memory (Noah Misch)
+        Allow sorting and B-tree index
+        builds to use over four gigabytes of memory (Noah Misch)
        
       
 
       
        
-        Reduce memory allocated by DO blocks (Tom Lane)
+        Reduce memory allocated by 
+        linkend="SQL-DO">DO blocks (Tom Lane)
        
       
 
       
        
-        Have the optimizer be more aggressive in creating restrictions from mixed AND/OR clauses (Tom Lane)
+        Have the optimizer be more aggressive in creating restrictions
+        from mixed AND/OR clauses (Tom Lane)
        
       
 
@@ -389,8 +508,8 @@
        
 
        
-        This reduces memory consumption for backends accessing only a few tables, and improves performance for backend accessing many
-        tables.
+        This reduces memory consumption for backends accessing only a few
+        tables, and improves performance for backend accessing many tables.
        
       
 
@@ -405,23 +524,34 @@
 
       
        
-        Expose the estimation of number of changed tuples since last analyze (Mark Kirkwood)
+        Expose the estimation of number of changed tuples since last 
+        linkend="vacuum-for-statistics">analyze (Mark Kirkwood)
        
 
        
-        This appears in pg_stat_all_tables.n_mod_since_analyze.
+        This appears in 
+        linkend="pg-stat-all-tables-view">pg_stat_all_tables.n_mod_since_analyze.
        
       
 
       
        
-        Add pg_stat_archiver system view to report WAL archiver activity (Gabriele Bartolini)
+        Add 
+        linkend="pg-stat-archiver-view">pg_stat_archiver
+        system view to report WAL
+        archiver activity (Gabriele Bartolini)
        
       
 
       
        
-        Add xid and xmin to system views pg_stat_activity and pg_stat_replication (Christian Kruse)
+        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
+        (Christian Kruse)
        
       
 
@@ -436,34 +566,43 @@
 
       
        
-        Add support for SSL ECDH key exchange (Marko Kreen)
+        Add support for SSL ECDH key exchange
+        (Marko Kreen)
        
 
        
-        Such keys are faster and have improved security over previous options.  New variable ssl_ecdh_curve controls the curve that is
-        used.
+        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.
        
       
 
       
        
-        Improve the default ssl_ciphers ciphers (Marko Kreen)
+        Improve the default 
+        linkend="guc-ssl-ciphers">ssl_ciphers ciphers
+        (Marko Kreen)
        
       
 
       
        
-        Allow the server to specify the preferred SSL cipher order (Marko Kreen)
+        Allow the server to specify the preferred SSL cipher
+        order (Marko Kreen)
        
 
        
-        This is controlled by the new configuration parameter ssl_prefer_server_ciphers.
+        This is controlled by the new configuration parameter 
+        linkend="guc-ssl-prefer-server-ciphers">ssl_prefer_server_ciphers.
        
       
 
       
        
-        Have log_connections show SSL encryption information (Andreas Kunert)
+        Have 
+        linkend="guc-log-connections">log_connections
+        show SSL encryption information (Andreas Kunert)
        
       
 
@@ -478,18 +617,23 @@
 
       
        
-        Add SQL-level command ALTER SYSTEM command to edit the postgresql.conf configuration file (Amit Kapila)
+        Add SQL-level command 
+        linkend="SQL-ALTERSYSTEM">ALTER SYSTEM command
+        to edit the postgresql.conf configuration file
+        (Amit Kapila)
        
 
        
-        Previously postgresql.conf could only be edited at the file system level.
+        Previously postgresql.conf could only be edited at
+        the file system level.
        
       
 
       
        
-        Add huge_pages configuration parameter to use huge memory pages on Linux (Christian Kruse,
-        Richard Poole, Abhijit Menon-Sen)
+        Add huge_pages
+        configuration parameter to use huge memory pages on Linux
+        (Christian Kruse, Richard Poole, Abhijit Menon-Sen)
        
 
        
@@ -499,72 +643,97 @@
 
       
        
-        Show PIDs of lock holders and waiters and improve relation
-        information in log_lock_waits log messages (Christian Kruse)
+        Show PIDs of lock holders and
+        waiters and improve relation information in 
+        linkend="guc-log-lock-waits">log_lock_waits
+        log messages (Christian Kruse)
        
       
 
       
        
-        Add parameter autovacuum_work_mem to control the amount of memory used by autovacuum workers (Peter Geoghegan)
+        Add parameter 
+        linkend="guc-autovacuum-work-mem">autovacuum_work_mem
+        to control the amount of memory used by autovacuum workers
+        (Peter Geoghegan)
        
       
 
       
        
-        Add max_worker_processes to limit the number of background workers (Robert Haas)
+        Add 
+        linkend="guc-max-worker-processes">max_worker_processes
+        to limit the number of background workers (Robert Haas)
        
 
        
-        This is helpful in configuring the standby server to have the required same number of worker processes as the primary.
+        This is helpful in configuring the standby server to have the
+        required same number of worker processes as the primary.
        
       
 
       
        
-        Add configuration parameter wal_log_hints to enable logging of hint bits (Sawada Masahiko)
+        Add configuration parameter 
+        linkend="guc-wal-log-hints">wal_log_hints
+        to enable logging of hint bits (Sawada Masahiko)
        
 
        
-        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 tools like pg_rewind.
        
       
 
       
        
-        Allow printf-style space padding to be specified in log_line_prefix (David Rowley)
+        Allow printf-style space padding to be specified in 
+        linkend="guc-log-line-prefix">log_line_prefix
+        (David Rowley)
        
       
 
       
        
-        Add superuser-only session_preload_libraries configuration parameter to load libraries at session start (Peter Eisentraut)
+        Add superuser-only 
+        linkend="guc-session-preload-libraries">session_preload_libraries
+        configuration parameter to load libraries at session start
+        (Peter Eisentraut)
        
 
        
-        Such libraries are auto-LOAD'ed, unlike local_preload_libraries.
+        Such libraries are auto-
+        linkend="SQL-LOAD">LOAD'ed, unlike 
+        linkend="guc-local-preload-libraries">local_preload_libraries.
        
       
 
       
        
-        Reduce server logging level when loading shared libraries (Peter Geoghegan)
+        Reduce server logging level when loading shared libraries (Peter
+        Geoghegan)
        
 
        
-        The previous level was LOG, which was too verbose for per-session libraries.
+        The previous level was LOG, which was too verbose
+        for per-session libraries.
        
       
 
       
        
-        Auto-tune effective_cache_size to be four-times shared buffers (Bruce Momjian, Tom Lane)
+        Auto-tune 
+        linkend="guc-effective-cache-size">effective_cache_size
+        to be four-times shared buffers (Bruce Momjian, Tom Lane)
        
       
 
       
        
-        Increase work_mem and maintenance_work_mem defaults by four-times (Bruce Momjian)
+        Increase 
+        linkend="guc-work-mem">work_mem and 
+        linkend="guc-maintenance-work-mem">maintenance_work_mem
+        defaults by four-times (Bruce Momjian)
        
 
        
@@ -574,18 +743,22 @@
 
       
        
-        Allow terabyte units to be specified for configuration variable values (Simon Riggs)
+        Allow terabyte units to be specified for configuration variable
+        values (Simon Riggs)
        
       
 
       
        
-        Have Windows ASCII-encoded databases and server process (e.g. postmaster) emit messages in the LC_CTYPE-defined language (Alexander Law,
+        Have Windows ASCII-encoded databases and server process
+        (e.g.  postmaster) emit messages
+        in the LC_CTYPE-defined language (Alexander Law,
         Noah Misch)
        
 
        
-        Previously these messages were output using the Windows ANSI code page.
+        Previously these messages were output using the Windows
+        ANSI code page.
        
       
 
@@ -602,20 +775,29 @@
 
       
        
-        Allow recovery.conf parameter min_recovery_apply_delay to force delayed replication (Robert
-        Haas, Fabrízio de Royes Mello, Simon Riggs)
+        Allow 
+        linkend="recovery-config">recovery.conf
+        parameter 
+        linkend="min-recovery-apply-delay">min_recovery_apply_delay
+        to force delayed replication (Robert Haas, Fabrízio de
+        Royes Mello, Simon Riggs)
        
 
        
-        This is useful for delaying replaying of user errors on standby servers.
+        This is useful for delaying replaying of user errors on standby
+        servers.
        
       
 
       
        
-        Add recovery_target option immediate option to replay WAL stop recovery when a consistent state is reached, i.e.
-        pg_stop_backup() (MauMau,
-        Heikki Linnakangas)
+        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)
        
       
 
@@ -625,14 +807,20 @@
        
 
        
-        The timestamp reported by 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 committed records, not commits being
+        replayed.  Recovering to restore points now replay the restore
+        point, rather than stop just before the restore point.
        
       
 
       
        
-        pg_switch_xlog() now clears the trailing unused space in the WAL file (Heikki Linnakangas)
+        
+        linkend="functions-admin-backup-table">pg_switch_xlog()
+        now clears the trailing unused space in the WAL file
+        (Heikki Linnakangas)
        
 
        
@@ -642,30 +830,37 @@
 
       
        
-        Add replication slots to report the WAL activity on streaming standbys (Andres Freund, Robert Haas)
+        Add replication
+        slots to report the WAL activity on streaming
+        standbys (Andres Freund, Robert Haas)
        
 
        
-        Replication slots allow preservation of resources like WAL files on the
-        primary that are needed by standby servers.
+        Replication slots allow preservation of resources like
+        WAL files on the primary that are needed by standby
+        servers.
        
       
 
       
        
-        Reduce spinlock contention during WAL replay (Heikki Linnakangas)
+        Reduce spinlock contention during WAL replay (Heikki
+        Linnakangas)
        
       
 
       
        
-        Report failure return codes from external recovery commands (Peter Eisentraut)
+        Report failure return codes from 
+        linkend="archive-recovery-settings">external recovery commands
+        (Peter Eisentraut)
        
       
 
       
        
-        Write WAL records of running transactions more frequently (Andres Freund)
+        Write WAL records of running transactions more
+        frequently (Andres Freund)
        
 
        
@@ -677,55 +872,70 @@
      
 
      
-      <span class="marked">Logical Change-Set Extraction</span>
+      <span class="marked"><link linkend="logicaldecoding">Logical Change-Set Extraction</></span>
 
       
-       The new Logical change-set extraction feature allows database
+       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:
+       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:
       
 
       
 
        
         
-         Add new "logical" wal_level to enable logical change-set encoding in WAL (Andres Freund)
+         Add new logical 
+         linkend="guc-wal-level">wal_level to enable
+         logical change-set encoding in WAL (Andres Freund)
         
 
         
-         This interacts with REPLICA IDENTITY.
+         This interacts with 
+         linkend="catalog-pg-class">REPLICA IDENTITY.
         
        
 
        
         
-         Add tool pg_recvlogical to receive data logical decoding data (Andres Freund)
+         Allow 
+         linkend="app-pgreceivexlog">pg_recvlogical
+         to receive data logical decoding data (Andres Freund)
         
        
 
        
         
-         Add test_decoding module to illustrate logical decoding at the SQL level (Andres Freund)
+         Add 
+         linkend="test-decoding">test_decoding
+         module to illustrate logical decoding at the SQL
+         level (Andres Freund)
         
        
 
        
         
-         Allow logical decoding via the walsender interface ? (Andres Freund)
+         Allow logical decoding via the walsender interface ? (Andres
+         Freund)
         
        
 
        
         
-         Add table-level parameter REPLICA IDENTITY to control logical replication (Andres Freund)
+         Add table-level parameter 
+         linkend="catalog-pg-class">REPLICA IDENTITY
+         to control logical replication (Andres Freund)
         
        
 
        
         
-         Add relation option user_catalog_table to identify user-created tables involved in logical change-set encoding (Andres Freund)
+         Add relation option 
+         linkend="SQL-CREATETABLE-storage-parameters">user_catalog_table
+         to identify user-created tables involved in logical change-set
+         encoding (Andres Freund)
         
        
 
@@ -742,27 +952,34 @@
 
       
        
-        Add ROWS FROM syntax to allow horizontal concatenation of FROM-clause set-returning functions (Andrew Gierth)
+        Add ROWS
+        FROM syntax to allow horizontal concatenation of
+        FROM-clause set-returning functions (Andrew Gierth)
        
       
 
       
        
-        Add WITH ORDINALITY which numbers rows returned from FROM-clause functions (Andrew Gierth, David Fetter)
+        Add WITH
+        ORDINALITY which numbers rows returned from
+        FROM-clause functions (Andrew Gierth, David Fetter)
        
 
        
-        This is particularly useful for functions like unnest().
+        This is particularly useful for functions like
+        unnest().
        
       
 
       
        
-        Allow SELECT with an empty target list (Tom Lane)
+        Allow SELECT with
+        an empty target list (Tom Lane)
        
 
        
-        This was added for consistency, and so querying tables with no columns would not produce an error.
+        This was added for consistency, and so querying tables with no
+        columns would not produce an error.
        
       
 
@@ -777,7 +994,9 @@
 
       
        
-        Add DISCARD SEQUENCES command to discard cached sequence information (Fabrízio de Royes Mello, Robert Haas)
+        Add DISCARD
+        SEQUENCES command to discard cached sequence information
+        (Fabrízio de Royes Mello, Robert Haas)
        
 
        
@@ -788,47 +1007,55 @@
        
         
          Allow quoted strings matching the null string to be converted
-         to NULL in COPY FROM in CSV mode (Ian Barwick, Michael Paquier)
+         to NULL in COPY FROM
+         in CSV mode (Ian Barwick, Michael Paquier)
         
 
         
-         Previously only unquoted matching strings would be imported as
-         NULLs.
+         Previously only unquoted matching strings would be imported
+         as NULLs.
         
        
 
       
        
-        Issue warnings for SET outside of a transaction block, as they have no effect (Bruce Momjian)
+        Issue warnings for SET
+        outside of a transaction block, as they have no effect (Bruce
+        Momjian)
        
 
        
-        The cases are SET LOCAL/CONSTRAINTS/TRANSACTION and ABORT.
+        The cases are SET
+        LOCAL/CONSTRAINTS/TRANSACTION and
+        ABORT.
        
       
 
      
 
      
-      <<span class="marked">command>EXPLAIN</</span>>
+      <<span class="marked">link linkend="SQL-EXPLAIN"><command>EXPLAIN</></link</span>>
 
       
 
        
         
-         Have EXPLAIN ANALYZE output planning time (Andreas Karlsson)
+         Have EXPLAIN ANALYZE output planning time (Andreas
+         Karlsson)
         
        
 
        
         
-         Have EXPLAIN print the grouping columns in Agg and Group nodes (Tom Lane)
+         Have EXPLAIN print the grouping columns in Agg and
+         Group nodes (Tom Lane)
         
        
 
        
         
-         Have EXPLAIN ANALYZE show bitmap heap scan exact/lossy block information (Etsuro Fujita)
+         Have EXPLAIN ANALYZE show bitmap heap scan exact/lossy
+         block information (Etsuro Fujita)
         
        
 
@@ -843,38 +1070,48 @@
 
       
        
-        Allow materialized views to be refreshed without blocking reads (Kevin Grittner)
+        Allow materialized views to be refreshed without blocking reads
+         (Kevin Grittner)
        
 
        
-        This is done with REFRESH MATERIALIZED VIEW CONCURRENTLY.
+        This is done with 
+        linkend="SQL-REFRESHMATERIALIZEDVIEW">REFRESH MATERIALIZED
+        VIEW CONCURRENTLY.
        
       
 
       
        
-        Allow auto-updates on views where only some columns are auto-updateable (Dean Rasheed)
+        Allow auto-updates
+        on views where only some columns are auto-updateable
+        (Dean Rasheed)
        
 
        
-        Previously the presence of a non-auto-updateable column prevented all columns from being auto-updated.  Deletes are now supported
+        Previously the presence of a non-auto-updateable column prevented
+        all columns from being auto-updated.  Deletes are now supported
         on suitable views even if no auto-updateable columns are present.
        
       
 
       
        
-        Allow control over whether INSERTs and UPDATEs can add rows to an auto-updateable view that would no longer appear in the view (Dean Rasheed)
+        Allow control over whether INSERTs and
+        UPDATEs can add rows to an auto-updateable view that
+        would no longer appear in the view (Dean Rasheed)
        
 
        
-        This is controlled with the new WITH CHECK OPTION.
+        This is controlled with the new 
+        linkend="SQL-CREATEVIEW">WITH CHECK OPTION.
        
       
 
       
        
-        Allow security barrier views to be automatically updateable (Dean Rasheed)
+        Allow security barrier views
+        to be automatically updateable (Dean Rasheed)
        
       
 
@@ -891,35 +1128,44 @@
 
       
        
-        Allow triggers on foreign tables (Ronan Dunklau)
+        Allow triggers on foreign
+        tables (Ronan Dunklau)
        
       
 
       
        
-        Fix DROP IF EXISTS to more consistently not error for non-existent objects (Pavel Stehule,  Dean Rasheed)
+        Fix DROP IF EXISTS to more consistently not error
+        for non-existent objects (Pavel Stehule,  Dean Rasheed)
        
       
 
       
        
-        Improve the internal definition of system relations (Andres Freund, Robert Haas)
+        Improve the internal definition of system relations (Andres Freund,
+        Robert Haas)
        
 
        
-        Previously, relations moved into the system catalog schema could not be modified.
+        Previously, relations moved into the system catalog schema could
+        not be modified.
        
       
 
       
        
-        Allow ALTER TABLESPACE options to be also set by CREATE TABLESPACE (Vik Fearing)
+        Allow ALTER
+        TABLESPACE options to be also set by 
+        linkend="SQL-CREATETABLESPACE">CREATE TABLESPACE
+        (Vik Fearing)
        
       
 
       
        
-        Allow CREATE AGGREGATE to supply the size of the aggregate's transition state data (Hadi Moshayedi)
+        Allow CREATE
+        AGGREGATE to supply the size of the aggregate's
+        transition state data (Hadi Moshayedi)
        
       
 
@@ -932,24 +1178,33 @@
 
       
        
-        Allow moving groups of objects from one tablespace to another using ALTER TABLESPACE ... MOVE (Stephen Frost)
+        Allow moving groups of objects from one tablespace to another
+        using ALTER
+        TABLESPACE ... MOVE (Stephen Frost)
        
       
 
       
        
-        Allow the changing of foreign key constraint  via ALTER TABLE ... ALTER CONSTRAINT (Simon Riggs)
+        Allow the changing of foreign key constraint  via 
+        linkend="SQL-ALTERTABLE">ALTER TABLE
+        ... ALTER CONSTRAINT (Simon Riggs)
        
       
 
       
        
-        Reduce lock levels of some ALTER TABLE commands (Simon Riggs, Noah Misch)
+        Reduce lock levels of some 
+        linkend="SQL-ALTERTABLE">ALTER TABLE commands
+        (Simon Riggs, Noah Misch)
        
 
        
-        Specifically, VALIDATE CONSTRAINT, CLUSTER ON, SET WITHOUT CLUSTER, ALTER COLUMN SET STATISTICS, ALTER COLUMN
-        SET (attribute_option), ALTER COLUMN RESET (attribute_option).
+        Specifically, VALIDATE CONSTRAINT, CLUSTER
+        ON, SET WITHOUT CLUSTER, ALTER COLUMN
+        SET STATISTICS, ALTER COLUMN SET
+        (attribute_option), ALTER COLUMN RESET
+        (attribute_option).
        
       
 
@@ -966,35 +1221,48 @@
 
       
        
-        Fully-implement the line data type (Peter Eisentraut)
+        Fully-implement the 
+        linkend="datatype-line">line data type (Peter
+        Eisentraut)
        
 
        
-        The line segment data type (LSEG) has always been fully supported.
+        The line segment data type (
+        linkend="datatype-lseg">LSEG) has always been
+        fully supported.
        
       
 
       
        
-        Add PG_LSN data type to represent a WAL log sequence number (LSN) (Robert Haas, Michael Paquier)
+        Add PG_LSN
+        data type to represent a WAL log sequence number
+        (LSN) (Robert Haas, Michael Paquier)
        
       
 
       
        
-        Allow single-point POLYGONs to be converted to circles (Bruce Momjian)
+        Allow single-point 
+        linkend="datatype-polygon">POLYGONs to be converted
+        to CIRCLEs
+        (Bruce Momjian)
        
       
 
       
        
-        Allow 5+ digit years for non-ISO timestamp/date strings, where appropriate (Bruce Momjian)
+        Allow 5+ digit years for non-ISO 
+        linkend="datatype-datetime">TIMESTAMP and
+        DATE strings, where appropriate (Bruce Momjian)
        
       
 
       
        
-        Add checks for overflow/underflow of INTERVAL values (Bruce Momjian)
+        Add checks for overflow/underflow of 
+        linkend="datatype-datetime">INTERVAL values
+        (Bruce Momjian)
        
       
 
@@ -1007,29 +1275,39 @@
 
        
         
-         Add structured (non-text) data type (jsonb) for storing JSON data (Oleg Bartunov, Teodor Sigaev,
-         Alexander Korotkov, Peter Geoghegan, and Andrew Dunstan)
+         Add structured (non-text) data type (
+         linkend="datatype-json">JSONB) for storing
+         JSON data (Oleg Bartunov, Teodor Sigaev, Alexander
+         Korotkov, Peter Geoghegan, and Andrew Dunstan)
         
 
         
-         This allows for faster access to values in the JSON document and faster and more useful indexing of JSON.
+         This allows for faster access to values in the JSON
+         document and faster and more useful indexing of JSON.
+         JSONB are also typed as appropriate scalar SQL types.
         
        
 
        
         
-         Add new JSON functions to allow for the construction of arbitrarily complex json trees (Andrew Dunstan, Laurence Rowe)
+         Add new JSON functions to allow for the construction
+         of arbitrarily complex json trees (Andrew Dunstan, Laurence Rowe)
         
 
         
-         New functions include json_array_elements_text(), json_build_array(), json_object(), json_object_agg(), json_to_record(),
+         New functions include 
+         linkend="functions-json-processing-table">json_array_elements_text(),
+         json_build_array(), json_object(),
+         json_object_agg(), json_to_record(),
          and json_to_recordset().
         
        
 
        
         
-         Add json_typeof() to return the data type of a JSON value (Andrew Tipton)
+         Add 
+         linkend="functions-json-processing-table">json_typeof()
+         to return the data type of a JSON value (Andrew Tipton)
         
        
 
@@ -1047,7 +1325,10 @@
 
       
        
-        Add pg_sleep_for(interval) and pg_sleep_until(timestamp) to specify sophisticated delays (Vik Fearing, Julien Rouhaud)
+        Add 
+        linkend="functions-datetime-delay">pg_sleep_for(interval)
+        and pg_sleep_until(timestamp) to specify sophisticated
+        delays (Vik Fearing, Julien Rouhaud)
        
 
        
@@ -1057,55 +1338,74 @@
 
       
        
-        Add cardinality() function for arrays (Marko Tiikkaja)
+        Add 
+        linkend="array-functions-table">cardinality()
+        function for arrays (Marko Tiikkaja)
        
 
        
-        This returns the total number of elements in the array, or zero for an array with no elements.
+        This returns the total number of elements in the array, or zero
+        for an array with no elements.
        
       
 
       
        
-        Add SQL functions to allow large object reads/writes at arbitrary offsets (Pavel Stehule)
+        Add SQL functions to allow 
+        linkend="lo-interfaces">large object reads/writes at
+        arbitrary offsets (Pavel Stehule)
        
       
 
       
        
-        Allow unnest() to take multiple arguments, which are individually unnested then horizontally concatenated (Andrew Gierth)
+        Allow 
+        linkend="array-functions-table">unnest()
+        to take multiple arguments, which are individually unnested then
+        horizontally concatenated (Andrew Gierth)
        
       
 
       
        
-        Add functions to construct times, dates, timestamps, timestamptzs, and intervals from individual values, rather than strings (Pavel Stehule)
+        Add functions to construct times, dates,
+        timestamps, timestamptzs, and intervals
+        from individual values, rather than strings (Pavel Stehule)
        
 
        
-        The functions being with "make_", e.g. make_date().
+        The functions being with make_, e.g. 
+        linkend="functions-datetime-table">make_date().
        
       
 
       
        
-        Have to_char(TZ) return the proper value for constant time zone offsets (Tom Lane)
+        Have 
+        linkend="functions-formatting-table">to_char(TZ)
+        return the proper value for constant time zone offsets (Tom Lane)
        
 
        
-        Previously, to_char(CURRENT_TIMESTAMP, 'TZ') returned NULL if the TIME ZONE was set to a constant like -4.
+        Previously, to_char(CURRENT_TIMESTAMP, 'TZ') returned
+        NULL if the TIME ZONE was set to a constant like
+        -4.
        
       
 
       
        
-        Add timezone offset output option OF to to_char() (Bruce Momjian)
+        Add timezone offset output option OF to 
+        linkend="functions-formatting-table">to_char()
+        (Bruce Momjian)
        
       
 
       
        
-        Improve the random seed used for random() (Honza Horak)
+        Improve the random seed used for 
+        linkend="functions-math-random-table">random()
+        (Honza Horak)
        
       
 
@@ -1118,34 +1418,48 @@
 
       
        
-        Add functions for error-free pg_class, pg_proc, pg_type, and pg_operator lookups (Yugo Nagata, Nozomi Anzai, Robert Haas)
+        Add functions for error-free pg_class,
+        pg_proc, pg_type, and
+        pg_operator lookups (Yugo Nagata, Nozomi Anzai,
+        Robert Haas)
        
 
        
-        For example, to_regclass() does error-free lookups of pg_class, and returns NULL for lookup failures.
+        For example, 
+        linkend="functions-info-catalog-table">to_regclass()
+        does error-free lookups of pg_class, and returns
+        NULL for lookup failures.
        
       
 
       
        
-        Add function pg_filenode_relation() to allow for more efficient
-        filenode to relation lookups  (Andres Freund)
+        Add function 
+        linkend="functions-admin-dblocation">pg_filenode_relation()
+        to allow for more efficient filenode to relation lookups  (Andres
+        Freund)
        
       
 
       
        
-        Add information_schema column parameters.parameter_default (Peter Eisentraut)
+        Add 
+        linkend="information-schema">information_schema
+        column 
+        linkend="infoschema-parameters">parameters.parameter_default
+        (Peter Eisentraut)
        
       
 
       
        
-        Have information_schema.schemata show all accessible schema (Peter Eisentraut)
+        Have 
+        linkend="infoschema-schemata">information_schema.schemata
+        show all accessible schema (Peter Eisentraut)
        
 
        
-        Previously it only showed _owned_ schemas.
+        Previously it only showed owned schemas.
        
       
 
@@ -1160,21 +1474,31 @@
 
       
        
-        Add aggregates percentile_cont(), percentile_disc(), rank(), dense_rank(), percent_rank(), cume_dist(), and mode() (Atri Sharma, Andrew
-        Gierth)
+        Add aggregates 
+        linkend="functions-orderedset-table">percentile_cont(),
+        percentile_disc(), 
+        linkend="functions-hypothetical-table">rank(),
+        dense_rank(), percent_rank(),
+        cume_dist(), and 
+        linkend="functions-orderedset-table">mode()
+        (Atri Sharma, Andrew Gierth)
        
       
 
       
        
-        Add control over which values are passed into
-        aggregate functions using the FILTER clause (David Fetter)
+        Add control over which values are passed
+        into aggregate functions using the 
+        linkend="syntax-aggregates">FILTER clause
+        (David Fetter)
        
       
 
       
        
-        Support ordered-set (WITHIN GROUP) aggregates (Atri Sharma, Andrew Gierth, Tom Lane)
+        Support ordered-set (
+        linkend="syntax-aggregates">WITHIN GROUP)
+        aggregates (Atri Sharma, Andrew Gierth, Tom Lane)
        
 
        
@@ -1184,13 +1508,16 @@
 
       
        
-        Allow polymorphic aggregates to have non-polymorphic state data types ? (Tom Lane)
+        Allow polymorphic aggregates to have non-polymorphic state data
+        types ? (Tom Lane)
        
       
 
       
        
-        Allow VARIADIC aggregate functions (Tom Lane)
+        Allow 
+        linkend="xfunc-sql-variadic-functions">VARIADIC
+        aggregate functions (Tom Lane)
        
       
 
@@ -1203,37 +1530,47 @@
    
     Server-Side Languages
 
-    
-     <link linkend="plpgsql">PL/pgSQL</link> Server-Side Language
+    
 
-     
+     
+      
+       Add event trigger support to PL/Perl
+       and PL/Tcl (Dimitri Fontaine)
+      
+     
 
-      
-       
-        Add event trigger support to PL/Perl and PL/Tcl (Dimitri Fontaine)
-       
-      
+    
 
-     
+    
+     <link linkend="plpgsql">PL/pgSQL</link> Server-Side Language
 
      
 
       
        
-        Add ability to store the PL/PgSQL call stack into a variable using PG_CONTEXT (Pavel Stehule, Stephen Frost)
+        Add ability to store the PL/PgSQL
+        call stack into a variable using 
+        linkend="plpgsql-get-diagnostics-context">PG_CONTEXT
+        (Pavel Stehule, Stephen Frost)
        
       
 
       
        
-        Add option print_strict_params to output parameters passed to
-        queries generating STRICT errors (Marko Tiikkaja)
+        Add option 
+        linkend="plpgsql-statements-assignment">print_strict_params
+        to output parameters passed to queries generating 
+        linkend="plpgsql-statements-sql-onerow">STRICT
+        errors (Marko Tiikkaja)
        
       
 
       
        
-        Add option to enable additional PL/pgSQL errors and warnings (Marko Tiikkaja, Petr Jelinek)
+        Add variables 
+        linkend="plpgsql-extra-checks">plpgsql.extra_warnings
+        and plpgsql.extra_errorsto enable additional PL/pgSQL
+        warnings and errors (Marko Tiikkaja, Petr Jelinek)
        
 
        
@@ -1252,7 +1589,8 @@
 
       
        
-        Handle domains over arrays like plain arrays in PL/python (Rodolfo Campero)
+        Handle domains over arrays like plain arrays in PL/Python
+        (Rodolfo Campero)
        
 
        
@@ -1262,11 +1600,12 @@
 
       
        
-        Convert NUMERICs to "decimal" values in PL/Python (Szymon Guz, Ronan Dunklau)
+        Convert NUMERICs
+        to decimal values in PL/Python (Szymon Guz, Ronan Dunklau)
        
 
        
-        Previously these were converted to <literal>floats.
+        Previously these were converted to <type>floats.
        
       
 
@@ -1282,13 +1621,17 @@
 
       
        
-        Add libpq function PQhostaddr() to return the server's IP address (Fujii Masao)
+        Add libpq function 
+        linkend="libpq-pqhostaddr">PQhostaddr()
+        to return the server's IP address (Fujii Masao)
        
       
 
       
        
-        Make libpq's PQconndefaults() ignore invalid service files (Steve Singer, Bruce Momjian)
+        Make libpq's 
+        linkend="libpq-pqconndefaults">PQconndefaults()
+        ignore invalid service files (Steve Singer, Bruce Momjian)
        
 
        
@@ -1298,13 +1641,17 @@
 
       
        
-        Allow libpq to support TLS versions beyond TLSv1 (Marko Kreen)
+        Allow libpq to support TLS versions beyond
+        TLSv1 (Marko Kreen)
        
       
 
       
        
-        Document that libpq's PQclientEncoding() returns -1 for an encoding lookup failure (Bruce Momjian)
+        Document that libpq's 
+        linkend="libpq-pqclientencoding">PQclientEncoding()
+        returns -1 for an encoding lookup failure (Bruce
+        Momjian)
        
       
 
@@ -1319,13 +1666,17 @@
 
       
        
-        Add createuser -g to specify role membership (Chistopher Browne)
+        Add 
+        linkend="APP-CREATEUSER">createuser
+        -g to specify role membership (Chistopher Browne)
        
       
 
       
        
-        Allow vacuumdb --analyze-in-stages to analyze in stages of increasing granularity (Peter Eisentraut)
+        Allow vacuumdb
+        --analyze-in-stages to analyze in stages of increasing
+        granularity (Peter Eisentraut)
        
 
        
@@ -1335,41 +1686,54 @@
 
       
        
-        Allow pg_xlogdump to report a live log stream with --follow (Heikki Linnakangas)
+        Allow pg_xlogdump
+        to report a live log stream with --follow (Heikki
+        Linnakangas)
        
       
 
       
        
-        Have pg_resetxlog -n output current and potentially changed values (Rajeev Rastogi)
+        Have pg_resetxlog
+        -n output current and potentially changed values
+        (Rajeev Rastogi)
        
       
 
       
        
-        Allow sizeof() in ecpg C array definitions (Michael Meskes)
+        Allow sizeof() in ecpg
+        C array definitions (Michael Meskes)
        
       
 
       
        
-        Have ecpg properly handle nesting requirements in C and SQL mode for C-style comments (Michael Meskes)
+        Have ecpg properly handle nesting
+        requirements in C and SQL mode for C-style comments
+        (Michael Meskes)
        
       
 
       
        
-        Have pg_ctl return '4' for an inaccessible data directory specification (Amit Kapila, Bruce Momjian)
+        Have pg_ctl
+        return 4 for an inaccessible data directory
+        specification (Amit Kapila, Bruce Momjian)
        
 
        
-        This more closely matches the Linux Standard Base Core Specification.
+        This more closely matches the Linux Standard Base (LSB)
+        Core Specification.
        
       
 
       
        
-        On Windows, interpret pg_ctl's non-absolute path -D directories relative to pg_ctl's current directory (Kumar Rajeev Rastogi)
+        On Windows, interpret 
+        linkend="app-pg-ctl">pg_ctl's non-absolute
+        path -D directories relative to pg_ctl's
+        current directory (Kumar Rajeev Rastogi)
        
       
 
@@ -1382,19 +1746,23 @@
 
       
        
-        Allow field wrapping to psql's "extended" mode (Sergey Muraviov)
+        Allow field wrapping to psql's "extended" mode
+        (Sergey Muraviov)
        
       
 
       
        
-        Suppress "No rows" in psql expanded mode when the footer is disabled (Bruce Momjian)
+        Suppress "No rows" in psql 
+        linkend="APP-PSQL-meta-commands">expanded
+        mode when the footer is disabled (Bruce Momjian)
        
       
 
       
        
-        Allow Control-C to abort psql hung at connection startup (Peter Eisentraut)
+        Allow Control-C to abort psql hung at connection
+        startup (Peter Eisentraut)
        
       
 
@@ -1407,79 +1775,96 @@
 
        
         
-         Have psql \db+ show tablespace options (Magnus Hagander)
+         Have psql \db+ show tablespace options
+         (Magnus Hagander)
         
        
 
        
         
-         Have psql \do+ display the functions which implement the operators (Marko Tiikkaja)
+         Have psql \do+ display the functions
+         which implement the operators (Marko Tiikkaja)
         
        
 
        
         
-         Have psql \d+ output an OID line only if an oid column exists in a table (Bruce Momjian)
+         Have psql \d+ output an
+         OID line only if an oid column exists in a table
+         (Bruce Momjian)
         
 
         
-         Previously, the presence or absence of an oid column was always reported.
+         Previously, the presence or absence of an oid column was always
+         reported.
         
        
 
        
         
-         Have \d display disabled system triggers (Bruce Momjian)
+         Have \d display disabled system triggers (Bruce
+         Momjian)
         
 
         
-         Previously if you disabled all triggers, only user triggers would show as disabled.
+         Previously if you disabled all triggers, only user triggers
+         would show as disabled.
         
        
 
        
         
-         Fix psql \copy to no longer require a space between 'stdin' and a semicolon (Etsuro Fujita)
+         Fix psql \copy to no longer require
+         a space between stdin and a semicolon (Etsuro Fujita)
         
        
 
        
         
-         Output the row count at the end of psql \copy just like COPY (Kumar Rajeev Rastogi)
+         Output the row count at the end of
+         psql \copy just like 
+         linkend="SQL-COPY">COPY (Kumar Rajeev Rastogi)
         
        
 
        
         
-         Fix psql \conninfo to display the server's IP address for clients that connect using 'hostaddr' (Fujii Masao)
+         Fix psql \conninfo to display the
+         server's IP address for clients that connect using
+         hostaddr (Fujii Masao)
         
 
         
-         Previously \conninfo could not display the server's IP address in such cases.
+         Previously \conninfo could not display the server's
+         IP address in such cases.
         
        
 
        
         
-         Mention the SSL protocol version in psql's \conninfo (Marko Kreen)
+         Mention the SSL protocol version in
+         psql's \conninfo (Marko Kreen)
         
        
 
        
         
-         Add psql tab completion for \pset (Pavel Stehule)
+         Add psql tab completion for \pset
+         (Pavel Stehule)
         
        
 
        
         
-         Allow psql \pset with no arguments to show all settings (Gilles Darold)
+         Allow psql \pset with no arguments
+         to show all settings (Gilles Darold)
         
        
 
        
         
-         In psql, output the written history file name (\s) without adding an absolute path prefix (Tom Lane)
+         In psql, output the written history file name
+         (\s) without adding an absolute path prefix (Tom Lane)
         
 
         
@@ -1500,7 +1885,10 @@
 
       
        
-        Allow pg_restore options -I, -P, -T and -n to be specified multiple times (Heikki Linnakangas)
+        Allow 
+        linkend="APP-PGRESTORE">pg_restore options
+        -I, -P, -T and -n
+        to be specified multiple times (Heikki Linnakangas)
        
 
        
@@ -1510,12 +1898,17 @@
 
       
        
-        Add IF EXISTS clauses when removing old objects during dump and restore (Pavel Stehule)
+        Add IF EXISTS clauses when removing old objects during
+        dump and restore (Pavel Stehule)
        
 
        
-        This suppresses errors when removing old objects.  The new --if-exists option to pg_dump, pg_dumpall, and pg_restore is only
-        available when --clean is also specified.
+        This suppresses errors when removing old objects.
+        The new --if-exists option to 
+        linkend="APP-PGDUMP">pg_dump, 
+        linkend="APP-PG-DUMPALL">pg_dumpall, and
+        pg_restore
+        is only available when --clean is also specified.
        
       
 
@@ -1524,23 +1917,27 @@
     
 
     
-     <<span class="marked">application>pg_basebackup</</span>>
+     <<span class="marked">link linkend="app-pgbasebackup"><application>pg_basebackup</></link</span>>
 
      
 
       
        
-        Add pg_basebackup option --xlogdir to specify the pg_xlog direction location (Haribabu Kommi)
+        Add pg_basebackup option --xlogdir
+        to specify the pg_xlog direction location (Haribabu
+        Kommi)
        
       
 
       
        
-        Allow pg_basebackup to relocate tablespaces in the backup copy (Steeve Lennmark)
+        Allow pg_basebackup to relocate tablespaces in
+        the backup copy (Steeve Lennmark)
        
 
        
-        This is particularly useful for using pg_basebackup on the same machine as the primary.
+        This is particularly useful for using pg_basebackup
+        on the same machine as the primary.
        
       
 
@@ -1550,7 +1947,8 @@
        
 
        
-        This can be controlled with the pg_basebackup --max-rate parameter.
+        This can be controlled with the pg_basebackup
+        --max-rate parameter.
        
       
 
@@ -1567,7 +1965,8 @@
 
       
        
-        Improve the way tuples are frozen, to preserve forensic information (Robert Haas, Andres Freund)
+        Improve the way tuples are frozen, to preserve forensic information
+        (Robert Haas, Andres Freund)
        
 
        
@@ -1577,17 +1976,21 @@
 
       
        
-        No longer require function prototypes for function marked with the PG_FUNCTION_INFO_V1 macro (Peter Eisentraut)
+        No longer require function prototypes for function marked with the
+        PG_FUNCTION_INFO_V1
+        macro (Peter Eisentraut)
        
 
        
-        This eliminates needless boilerplate prototypes whose lack generates compiler warnings.
+        This eliminates needless boilerplate prototypes whose lack
+        generates compiler warnings.
        
       
 
       
        
-        Remove SnapshotNow and HeapTupleSatisfiesNow (Robert Haas)
+        Remove SnapshotNow() and
+        HeapTupleSatisfiesNow() (Robert Haas)
        
 
        
@@ -1598,54 +2001,58 @@
 
       
        
+        Add API for memory allocations over four gigabytes
+        (Noah Misch)
        
       
 
       
        
-        Add API for memory allocations over four gigabytes (Noah Misch)
-       
-      
-
-      
-       
-        Add psprintf() to simplify memory allocation during string composition (Peter Eisentraut, Tom Lane)
+        Add psprintf() to simplify memory allocation during
+        string composition (Peter Eisentraut, Tom Lane)
        
       
 
       
        
-        Add printf() modifier "z" to specify size_t values (Andres Freund)
+        Add printf() modifier "z" to specify size_t
+        values (Andres Freund)
        
       
 
       
        
-        Change API of appendStringInfoVA() to better use vsnprintf() (David Rowley, Tom Lane)
+        Change API of appendStringInfoVA()
+        to better use vsnprintf() (David Rowley, Tom Lane)
        
       
 
       
        
-        Allow new types of external toast datums to be created (Andres Freund)
+        Allow new types of external toast datums to be created (Andres
+        Freund)
        
       
 
       
        
-        Add single-reader, single-writer, lightweight shared message queue (Robert Haas)
+        Add single-reader, single-writer, lightweight shared message queue
+        (Robert Haas)
        
       
 
       
        
-        Improve spinlock speed on x86_64 CPUs (Heikki Linnakangas)
+        Improve spinlock speed on x86_64 CPUs (Heikki
+        Linnakangas)
        
       
 
       
        
-        Remove spinlock support for unsupported platforms SINIX, Sun3, and NS32K (Robert Haas)
+        Remove spinlock support for unsupported platforms
+        SINIX, Sun3, and
+        NS32K (Robert Haas)
        
       
 
@@ -1657,25 +2064,30 @@
 
       
        
-        Reduce the number of semaphores required by --disable-spinlocks (Robert Haas)
+        Reduce the number of semaphores required by
+        --disable-spinlocks (Robert Haas)
        
       
 
       
        
-        Rewrite duplicate_oids Unix shell script in Perl (Andrew Dunstan)
+        Rewrite duplicate_oids Unix shell script in
+        Perl (Andrew Dunstan)
        
       
 
       
        
-        Add Test Anything Protocol (TAP) tests for client programs (Peter Eisentraut)
+        Add Test Anything Protocol (TAP) tests for client
+        programs (Peter Eisentraut)
        
       
 
       
        
-        Add make targets check-tests and installcheck-tests which allow per-test specification (Andrew Dunstan)
+        Add make targets check-tests and
+        installcheck-tests which allow per-test specification
+        (Andrew Dunstan)
        
       
 
@@ -1691,7 +2103,8 @@
 
       
        
-        Improve support for VPATH builds of PGXS modules  (Cédric Villemain, Andrew Dunstan)
+        Improve support for VPATH builds of PGXS
+        modules  (Cédric Villemain, Andrew Dunstan)
        
       
 
@@ -1703,7 +2116,8 @@
 
       
        
-        Add configure flag that appends custom text to the PG_VERSION string (Oskari Saarenmaa)
+        Add configure flag that appends custom text to the
+        PG_VERSION string (Oskari Saarenmaa)
        
 
        
@@ -1719,19 +2133,21 @@
 
       
        
-        Various security and sanity fixes reported by the Coverity scanner (Stephen Frost)
+        Various security and sanity fixes reported by the
+        Coverity scanner (Stephen Frost)
        
       
 
       
        
-        Improve valgrind error reporting (Noah Misch)
+        Improve valgrind error reporting (Noah Misch)
        
       
 
       
        
-        Improve Emacs configuration file emacs.samples (Peter Eisentraut)
+        Improve Emacs configuration file
+        emacs.samples (Peter Eisentraut)
        
 
        
@@ -1741,17 +2157,20 @@
 
       
        
-        Allow pgindent to be supplied a command-line list of typedefs (Bruce Momjian)
+        Allow pgindent to be supplied a command-line list
+        of typedefs (Bruce Momjian)
        
 
        
-        pgindent is also now smarter about blank lines around preprocessor conditionals.
+        Pgindent is also now smarter about blank lines
+        around preprocessor conditionals.
        
       
 
       
        
-        Avoid most uses of dlltool in Cygwin and  Mingw builds (Marco Atzeri, Hiroshi Inoue)
+        Avoid most uses of dlltool in Cygwin and
+        Mingw builds (Marco Atzeri, Hiroshi Inoue)
        
       
 
@@ -1766,100 +2185,130 @@
 
       
        
-        Add pg_prewarm to preload relation data into the shared buffer cache (Robert Haas)
+        Add pg_prewarm
+        to preload relation data into the shared buffer cache (Robert Haas)
        
 
        
-        This is useful at server start to produce more consistent performance.
+        This is useful at server start to produce more consistent
+        performance.
        
       
 
       
        
-        Add UUID random number generator gen_random_uuid() to pgcrypto (Oskari Saarenmaa)
+        Add UUID random number generator
+        gen_random_uuid() to 
+        linkend="pgcrypto">pgcrypto (Oskari
+        Saarenmaa)
        
 
        
-        This allows the creation of version 4 UUIDs without requiring the installation of uuid-ossp.
+        This allows the creation of version 4 UUIDs without
+        requiring the installation of uuid-ossp.
        
       
 
       
        
-        Add logging of trigger execution to  auto_explain (Horiguchi Kyotaro)
+        Add logging of trigger execution to 
+        linkend="auto-explain">auto_explain
+        (Horiguchi Kyotaro)
        
       
 
       
        
-        Allow reporting of the pg_stat_statements's internal query hash identifier (Daniel Farina, Sameer Thakur, Peter Geoghegan)
+        Allow reporting of the 
+        linkend="pgstatstatements">pg_stat_statements's
+        internal query hash identifier (Daniel Farina, Sameer Thakur,
+        Peter Geoghegan)
        
       
 
       
        
-        Have pg_stat_statements use a flat file for query text storage, allowing higher limits (Peter Geoghegan)
+        Have 
+        linkend="pgstatstatements">pg_stat_statements
+        use a flat file for query text storage, allowing higher limits
+        (Peter Geoghegan)
        
 
        
-        Also add the ability to retrieve all pg_stat_statements information except the query text.  This allows programs to reuse the query
-        text already retrieved by referencing queryid.
+        Also add the ability to retrieve all
+        pg_stat_statements information except the query
+        text.  This allows programs to reuse the query text already
+        retrieved by referencing queryid.
        
       
 
       
        
-        Fix pgstattuple to not report rows from uncommitted transactions as dead (Robert Haas)
+        Fix pgstattuple
+        to not report rows from uncommitted transactions as dead
+        (Robert Haas)
        
       
 
       
        
-        Have pgstattuple functions use regclass-type arguments (Satoshi Nagayasu)
+        Have pgstattuple
+        functions use regclass-type arguments (Satoshi Nagayasu)
        
 
        
-        While text-type arguments are still supported, they will be removed in a later major release.
+        While text-type arguments are still supported, they will be
+        removed in a later major release.
        
       
 
       
        
-        Improve consistency of pgrowlocks output to honor snapshot rules more consistently (Robert Haas)
+        Improve consistency of 
+        linkend="pgrowlocks">pgrowlocks output to
+        honor snapshot rules more consistently (Robert Haas)
        
       
 
       
        
-        Improve indexing of pg_trgm values to discourage indexing whitespace (Alexander Korotkov)
+        Improve indexing of 
+        linkend="pgtrgm">pg_trgm values to
+        discourage indexing whitespace (Alexander Korotkov)
        
       
 
       
        
-        Store cube data more compactly (Stas Kelvich)
+        Store cube data more compactly
+        (Stas Kelvich)
        
 
        
-        Existing data must be dumped/restored to use the new format.  The old format can still be read.
+        Existing data must be dumped/restored to use the new format.
+        The old format can still be read.
        
       
 
       
        
-        Reduce vacuumlo client-side memory usage by using a cursor (Andrew Dunstan)
+        Reduce vacuumlo
+        client-side memory usage by using a cursor (Andrew Dunstan)
        
       
 
       
        
-        Dramatically reduce memory consumption in pg_upgrade (Bruce Momjian)
+        Dramatically reduce memory consumption in 
+        linkend="pgupgrade">pg_upgrade (Bruce
+        Momjian)
        
       
 
       
        
-        Pass pg_upgrade user names (-U) to analyze scripts (Bruce Momjian)
+        Pass pg_upgrade
+        user names (-U) to analyze scripts (Bruce Momjian)
        
       
 
@@ -1872,7 +2321,8 @@
 
       
        
-        Allow pgbench to process script files of any line length (Sawada Masahiko)
+        Allow pgbench to process script files of any line length (Sawada
+        Masahiko)
        
 
        
@@ -1882,7 +2332,8 @@
 
       
        
-        Add pg_bench option (--rate) to control the transaction rate (Fabien Coelho)
+        Add pg_bench option (--rate) to control
+        the transaction rate (Fabien Coelho)
        
       
 




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