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Commitfca7bcb

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Break out referential integrity and server-side languages into separate
TODO categories.
1 parent4d436ef commitfca7bcb

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-125
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‎doc/TODO‎

Lines changed: 52 additions & 50 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
PostgreSQL TODO List
22
====================
33
Current maintainer:Bruce Momjian (bruce@momjian.us)
4-
Last updated:Wed Mar 511:07:13 EST 2008
4+
Last updated:Wed Mar 522:15:29 EST 2008
55

66
The most recent version of this document can be viewed at
77
http://www.postgresql.org/docs/faqs.TODO.html.
@@ -711,73 +711,75 @@ SQL Commands
711711
ANALYZE, and CLUSTER
712712

713713

714-
* Referential Integrity
715714

716-
o Add MATCH PARTIAL referential integrity
717-
o Change foreign key constraint for array -> element to mean element
718-
in array?
719-
o Fix problem when cascading referential triggers make changes on
720-
cascaded tables, seeing the tables in an intermediate state
715+
Referential Integrity
716+
=====================
721717

722-
http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php
723-
http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php
718+
* Add MATCH PARTIAL referential integrity
719+
* Change foreign key constraint for array -> element to mean element
720+
in array?
721+
* Fix problem when cascading referential triggers make changes on
722+
cascaded tables, seeing the tables in an intermediate state
724723

725-
o Allow DEFERRABLE and end-of-statement UNIQUE constraints?
724+
http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php
725+
http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php
726726

727-
This would allow UPDATE tab SET col = col + 1 to work if col has
728-
a unique index. Currently, uniqueness checks are done while the
729-
command is being executed, rather than at the end of the statement
730-
or transaction.
727+
* Allow DEFERRABLE and end-of-statement UNIQUE constraints?
731728

732-
http://people.planetpostgresql.org/greg/index.php?/archives/2006/06/10.html
733-
http://archives.postgresql.org/pgsql-hackers/2006-09/msg01458.php
729+
This would allow UPDATE tab SET col = col + 1 to work if col has
730+
a unique index. Currently, uniqueness checks are done while the
731+
command is being executed, rather than at the end of the statement
732+
or transaction.
733+
http://people.planetpostgresql.org/greg/index.php?/archives/2006/06/10.html
734+
http://archives.postgresql.org/pgsql-hackers/2006-09/msg01458.php
734735

735736

736-
* Server-Side Languages
737+
Server-Side Languages
738+
=====================
737739

738-
o PL/pgSQL
739-
o Fix RENAME to work on variables other than OLD/NEW
740+
* PL/pgSQL
741+
o Fix RENAME to work on variables other than OLD/NEW
740742

741-
http://archives.postgresql.org/pgsql-hackers/2002-03/msg00591.php
742-
http://archives.postgresql.org/pgsql-hackers/2007-01/msg01615.php
743-
http://archives.postgresql.org/pgsql-hackers/2007-01/msg01587.php
743+
http://archives.postgresql.org/pgsql-hackers/2002-03/msg00591.php
744+
http://archives.postgresql.org/pgsql-hackers/2007-01/msg01615.php
745+
http://archives.postgresql.org/pgsql-hackers/2007-01/msg01587.php
744746

745-
o Allow function parameters to be passed by name,
746-
get_employee_salary(12345 AS emp_id, 2001 AS tax_year)
747-
o Allow handling of %TYPE arrays, e.g. tab.col%TYPE[]
748-
o Allow listing of record column names, and access to
749-
record columns via variables, e.g. columns := r.(*),
750-
tval2 := r.(colname)
747+
o Allow function parameters to be passed by name,
748+
get_employee_salary(12345 AS emp_id, 2001 AS tax_year)
749+
o Allow handling of %TYPE arrays, e.g. tab.col%TYPE[]
750+
o Allow listing of record column names, and access to
751+
record columns via variables, e.g. columns := r.(*),
752+
tval2 := r.(colname)
751753

752-
http://archives.postgresql.org/pgsql-patches/2005-07/msg00458.php
753-
http://archives.postgresql.org/pgsql-patches/2006-05/msg00302.php
754-
http://archives.postgresql.org/pgsql-patches/2006-06/msg00031.php
754+
http://archives.postgresql.org/pgsql-patches/2005-07/msg00458.php
755+
http://archives.postgresql.org/pgsql-patches/2006-05/msg00302.php
756+
http://archives.postgresql.org/pgsql-patches/2006-06/msg00031.php
755757

756-
o Add support for SCROLL cursors
757-
o Add support for WITH HOLD cursors
758-
o Allow row and record variables to be set to NULL constants,
759-
and allow NULL tests on such variables
758+
o Add support for SCROLL cursors
759+
o Add support for WITH HOLD cursors
760+
o Allow row and record variables to be set to NULL constants,
761+
and allow NULL tests on such variables
760762

761-
Because a row is not scalar, do not allow assignment
762-
from NULL-valued scalars.
763+
Because a row is not scalar, do not allow assignment
764+
from NULL-valued scalars.
763765

764-
http://archives.postgresql.org/pgsql-hackers/2006-10/msg00070.php
766+
http://archives.postgresql.org/pgsql-hackers/2006-10/msg00070.php
765767

766-
o Other
767-
o Add table function support to pltcl, plpythonu
768-
o Add support for polymorphic arguments and return types to
769-
languages other than PL/PgSQL
770-
o Add capability to create and call PROCEDURES
771-
o Add support for OUT and INOUT parameters to languages other
772-
than PL/PgSQL
773-
o Add PL/PythonU tracebacks
768+
* Other
769+
o Add table function support to pltcl, plpythonu
770+
o Add support for polymorphic arguments and return types to
771+
languages other than PL/PgSQL
772+
o Add capability to create and call PROCEDURES
773+
o Add support for OUT and INOUT parameters to languages other
774+
than PL/PgSQL
775+
o Add PL/PythonU tracebacks
774776

775-
http://archives.postgresql.org/pgsql-patches/2006-02/msg00288.php
777+
http://archives.postgresql.org/pgsql-patches/2006-02/msg00288.php
776778

777-
o Allow data to be passed in native language formats, rather
778-
than only text
779+
o Allow data to be passed in native language formats, rather
780+
than only text
779781

780-
http://archives.postgresql.org/pgsql-hackers/2007-05/msg00289.php
782+
http://archives.postgresql.org/pgsql-hackers/2007-05/msg00289.php
781783

782784

783785
Clients

‎doc/src/FAQ/TODO.html‎

Lines changed: 76 additions & 75 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
<bodybgcolor="#FFFFFF"text="#000000"link="#FF0000"vlink="#A00000"alink="#0000FF">
99
<h1><aname="section_1">PostgreSQL TODO List</a></h1>
1010
<p>Current maintainer: Bruce Momjian (<ahref="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
11-
Last updated: Wed Mar 511:07:13 EST 2008
11+
Last updated: Wed Mar 522:15:29 EST 2008
1212
</p>
1313
<p>The most recent version of this document can be viewed at<br/>
1414
<ahref="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
@@ -623,74 +623,75 @@ <h1><a name="section_7">SQL Commands</a></h1>
623623
<li>Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
624624
ANALYZE, and CLUSTER
625625
</li></ul>
626-
</li><li>Referential Integrity
626+
</li></ul>
627+
<h1><aname="section_8">Referential Integrity</a></h1>
628+
629+
<ul>
630+
<li>Add MATCH PARTIAL referential integrity
631+
</li><li>Change foreign key constraint for array -&gt; element to mean element
632+
in array?
633+
</li><li>Fix problem when cascading referential triggers make changes on
634+
cascaded tables, seeing the tables in an intermediate state
635+
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php">http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php</a>
636+
<ahref="http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php">http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php</a>
637+
</p>
638+
</li><li>Allow DEFERRABLE and end-of-statement UNIQUE constraints?
639+
<p> This would allow UPDATE tab SET col = col + 1 to work if col has
640+
a unique index. Currently, uniqueness checks are done while the
641+
command is being executed, rather than at the end of the statement
642+
or transaction.
643+
<ahref="http://people.planetpostgresql.org/greg/index.php?/archives/2006/06/10.html">http://people.planetpostgresql.org/greg/index.php?/archives/2006/06/10.html</a>
644+
<ahref="http://archives.postgresql.org/pgsql-hackers/2006-09/msg01458.php">http://archives.postgresql.org/pgsql-hackers/2006-09/msg01458.php</a>
645+
</p>
646+
</li></ul>
647+
<h1><aname="section_9">Server-Side Languages</a></h1>
648+
649+
<ul>
650+
<li>PL/pgSQL
627651
<ul>
628-
<li>Add MATCH PARTIAL referential integrity
629-
</li><li>Change foreign key constraint for array -&gt; element to mean element
630-
in array?
631-
</li><li>Fix problem when cascading referential triggers make changes on
632-
cascaded tables, seeing the tables in an intermediate state
633-
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php">http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php</a>
634-
<ahref="http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php">http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php</a>
635-
</p>
636-
</li><li>Allow DEFERRABLE and end-of-statement UNIQUE constraints?
637-
<p> This would allow UPDATE tab SET col = col + 1 to work if col has
638-
a unique index. Currently, uniqueness checks are done while the
639-
command is being executed, rather than at the end of the statement
640-
or transaction.
641-
</p>
642-
<p><ahref="http://people.planetpostgresql.org/greg/index.php?/archives/2006/06/10.html">http://people.planetpostgresql.org/greg/index.php?/archives/2006/06/10.html</a>
643-
<ahref="http://archives.postgresql.org/pgsql-hackers/2006-09/msg01458.php">http://archives.postgresql.org/pgsql-hackers/2006-09/msg01458.php</a>
652+
<li>Fix RENAME to work on variables other than OLD/NEW
653+
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2002-03/msg00591.php">http://archives.postgresql.org/pgsql-hackers/2002-03/msg00591.php</a>
654+
<ahref="http://archives.postgresql.org/pgsql-hackers/2007-01/msg01615.php">http://archives.postgresql.org/pgsql-hackers/2007-01/msg01615.php</a>
655+
<ahref="http://archives.postgresql.org/pgsql-hackers/2007-01/msg01587.php">http://archives.postgresql.org/pgsql-hackers/2007-01/msg01587.php</a>
656+
</p>
657+
</li><li>Allow function parameters to be passed by name,
658+
get_employee_salary(12345 AS emp_id, 2001 AS tax_year)
659+
</li><li>Allow handling of %TYPE arrays, e.g. tab.col%TYPE[<ahref="http://momjian.postgresql.org/cgi-bin/pgtodo?"></a>]
660+
</li><li>Allow listing of record column names, and access to
661+
record columns via variables, e.g. columns := r.(*),
662+
tval2 := r.(colname)
663+
<p><ahref="http://archives.postgresql.org/pgsql-patches/2005-07/msg00458.php">http://archives.postgresql.org/pgsql-patches/2005-07/msg00458.php</a>
664+
<ahref="http://archives.postgresql.org/pgsql-patches/2006-05/msg00302.php">http://archives.postgresql.org/pgsql-patches/2006-05/msg00302.php</a>
665+
<ahref="http://archives.postgresql.org/pgsql-patches/2006-06/msg00031.php">http://archives.postgresql.org/pgsql-patches/2006-06/msg00031.php</a>
666+
</p>
667+
</li><li>Add support for SCROLL cursors
668+
</li><li>Add support for WITH HOLD cursors
669+
</li><li>Allow row and record variables to be set to NULL constants,
670+
and allow NULL tests on such variables
671+
<p> Because a row is not scalar, do not allow assignment
672+
from NULL-valued scalars.
673+
</p>
674+
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2006-10/msg00070.php">http://archives.postgresql.org/pgsql-hackers/2006-10/msg00070.php</a>
644675
</p>
645676
</li></ul>
646-
</li><li>Server-Side Languages
677+
</li><li>Other
647678
<ul>
648-
<li>PL/pgSQL
649-
<ul>
650-
<li>Fix RENAME to work on variables other than OLD/NEW
651-
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2002-03/msg00591.php">http://archives.postgresql.org/pgsql-hackers/2002-03/msg00591.php</a>
652-
<ahref="http://archives.postgresql.org/pgsql-hackers/2007-01/msg01615.php">http://archives.postgresql.org/pgsql-hackers/2007-01/msg01615.php</a>
653-
<ahref="http://archives.postgresql.org/pgsql-hackers/2007-01/msg01587.php">http://archives.postgresql.org/pgsql-hackers/2007-01/msg01587.php</a>
654-
</p>
655-
</li><li>Allow function parameters to be passed by name,
656-
get_employee_salary(12345 AS emp_id, 2001 AS tax_year)
657-
</li><li>Allow handling of %TYPE arrays, e.g. tab.col%TYPE[<ahref="http://momjian.postgresql.org/cgi-bin/pgtodo?"></a>]
658-
</li><li>Allow listing of record column names, and access to
659-
record columns via variables, e.g. columns := r.(*),
660-
tval2 := r.(colname)
661-
<p><ahref="http://archives.postgresql.org/pgsql-patches/2005-07/msg00458.php">http://archives.postgresql.org/pgsql-patches/2005-07/msg00458.php</a>
662-
<ahref="http://archives.postgresql.org/pgsql-patches/2006-05/msg00302.php">http://archives.postgresql.org/pgsql-patches/2006-05/msg00302.php</a>
663-
<ahref="http://archives.postgresql.org/pgsql-patches/2006-06/msg00031.php">http://archives.postgresql.org/pgsql-patches/2006-06/msg00031.php</a>
664-
</p>
665-
</li><li>Add support for SCROLL cursors
666-
</li><li>Add support for WITH HOLD cursors
667-
</li><li>Allow row and record variables to be set to NULL constants,
668-
and allow NULL tests on such variables
669-
<p> Because a row is not scalar, do not allow assignment
670-
from NULL-valued scalars.
671-
</p>
672-
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2006-10/msg00070.php">http://archives.postgresql.org/pgsql-hackers/2006-10/msg00070.php</a>
673-
</p>
674-
</li></ul>
675-
</li><li>Other
676-
<ul>
677-
<li>Add table function support to pltcl, plpythonu
678-
</li><li>Add support for polymorphic arguments and return types to
679-
languages other than PL/PgSQL
680-
</li><li>Add capability to create and call PROCEDURES
681-
</li><li>Add support for OUT and INOUT parameters to languages other
682-
than PL/PgSQL
683-
</li><li>Add PL/PythonU tracebacks
684-
<p><ahref="http://archives.postgresql.org/pgsql-patches/2006-02/msg00288.php">http://archives.postgresql.org/pgsql-patches/2006-02/msg00288.php</a>
685-
</p>
686-
</li><li>Allow data to be passed in native language formats, rather
687-
than only text
688-
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2007-05/msg00289.php">http://archives.postgresql.org/pgsql-hackers/2007-05/msg00289.php</a>
679+
<li>Add table function support to pltcl, plpythonu
680+
</li><li>Add support for polymorphic arguments and return types to
681+
languages other than PL/PgSQL
682+
</li><li>Add capability to create and call PROCEDURES
683+
</li><li>Add support for OUT and INOUT parameters to languages other
684+
than PL/PgSQL
685+
</li><li>Add PL/PythonU tracebacks
686+
<p><ahref="http://archives.postgresql.org/pgsql-patches/2006-02/msg00288.php">http://archives.postgresql.org/pgsql-patches/2006-02/msg00288.php</a>
687+
</p>
688+
</li><li>Allow data to be passed in native language formats, rather
689+
than only text
690+
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2007-05/msg00289.php">http://archives.postgresql.org/pgsql-hackers/2007-05/msg00289.php</a>
689691
</p>
690-
</li></ul>
691692
</li></ul>
692693
</li></ul>
693-
<h1><aname="section_8">Clients</a></h1>
694+
<h1><aname="section_10">Clients</a></h1>
694695

695696
<ul>
696697
<li>Have pg_ctl look at PGHOST in case it is a socket directory?
@@ -821,7 +822,7 @@ <h1><a name="section_8">Clients</a></h1>
821822
</p>
822823
</li></ul>
823824
</li></ul>
824-
<h1><aname="section_9">Triggers</a></h1>
825+
<h1><aname="section_11">Triggers</a></h1>
825826

826827
<ul>
827828
<li>Add deferred trigger queue file
@@ -859,7 +860,7 @@ <h1><a name="section_9">Triggers</a></h1>
859860
<p><ahref="http://archives.postgresql.org/pgsql-sql/2008-01/msg00050.php">http://archives.postgresql.org/pgsql-sql/2008-01/msg00050.php</a>
860861
</p>
861862
</li></ul>
862-
<h1><aname="section_10">Indexes</a></h1>
863+
<h1><aname="section_12">Indexes</a></h1>
863864

864865
<ul>
865866
<li>Add UNIQUE capability to non-btree indexes
@@ -931,7 +932,7 @@ <h1><a name="section_10">Indexes</a></h1>
931932
<p><ahref="http://archives.postgresql.org/pgsql-hackers/2007-03/msg01199.php">http://archives.postgresql.org/pgsql-hackers/2007-03/msg01199.php</a>
932933
</p>
933934
</li></ul>
934-
<h1><aname="section_11">Fsync</a></h1>
935+
<h1><aname="section_13">Fsync</a></h1>
935936

936937
<ul>
937938
<li>Determine optimal fdatasync/fsync, O_SYNC/O_DSYNC options
@@ -941,7 +942,7 @@ <h1><a name="section_11">Fsync</a></h1>
941942
</p>
942943
</li><li>Add program to test if fsync has a delay compared to non-fsync
943944
</li></ul>
944-
<h1><aname="section_12">Cache Usage</a></h1>
945+
<h1><aname="section_14">Cache Usage</a></h1>
945946

946947
<ul>
947948
<li>Speed up COUNT(*)
@@ -994,7 +995,7 @@ <h1><a name="section_12">Cache Usage</a></h1>
994995
<ahref="http://archives.postgresql.org/pgsql-hackers/2007-01/msg00752.php">http://archives.postgresql.org/pgsql-hackers/2007-01/msg00752.php</a>
995996
</p>
996997
</li></ul>
997-
<h1><aname="section_13">Vacuum</a></h1>
998+
<h1><aname="section_15">Vacuum</a></h1>
998999

9991000
<ul>
10001001
<li>Improve speed with indexes
@@ -1045,7 +1046,7 @@ <h1><a name="section_13">Vacuum</a></h1>
10451046
</p>
10461047
</li></ul>
10471048
</li></ul>
1048-
<h1><aname="section_14">Locking</a></h1>
1049+
<h1><aname="section_16">Locking</a></h1>
10491050

10501051
<ul>
10511052
<li>Fix priority ordering of read and write light-weight locks (Neil)
@@ -1071,7 +1072,7 @@ <h1><a name="section_14">Locking</a></h1>
10711072
<ahref="http://archives.postgresql.org/pgsql-committers/2008-01/msg00365.php">http://archives.postgresql.org/pgsql-committers/2008-01/msg00365.php</a>
10721073
</p>
10731074
</li></ul>
1074-
<h1><aname="section_15">Startup Time Improvements</a></h1>
1075+
<h1><aname="section_17">Startup Time Improvements</a></h1>
10751076

10761077
<ul>
10771078
<li>Experiment with multi-threaded backend for backend creation [<ahref="http://momjian.postgresql.org/cgi-bin/pgtodo?thread">thread</a>]
@@ -1082,7 +1083,7 @@ <h1><a name="section_15">Startup Time Improvements</a></h1>
10821083
a single session using multiple threads to execute a statement faster.
10831084
</p>
10841085
</li></ul>
1085-
<h1><aname="section_16">Write-Ahead Log</a></h1>
1086+
<h1><aname="section_18">Write-Ahead Log</a></h1>
10861087

10871088
<ul>
10881089
<li>Eliminate need to write full pages to WAL before page modification [<ahref="http://momjian.postgresql.org/cgi-bin/pgtodo?wal">wal</a>]
@@ -1143,7 +1144,7 @@ <h1><a name="section_16">Write-Ahead Log</a></h1>
11431144
<ahref="http://archives.postgresql.org/pgsql-hackers/2008-02/msg01279.php">http://archives.postgresql.org/pgsql-hackers/2008-02/msg01279.php</a>
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</p>
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</li></ul>
1146-
<h1><aname="section_17">Optimizer / Executor</a></h1>
1147+
<h1><aname="section_19">Optimizer / Executor</a></h1>
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<ul>
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<li>Improve selectivity functions for geometric operators
@@ -1166,7 +1167,7 @@ <h1><a name="section_17">Optimizer / Executor</a></h1>
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<p><ahref="http://archives.postgresql.org/pgsql-hackers/2007-01/msg00096.php">http://archives.postgresql.org/pgsql-hackers/2007-01/msg00096.php</a>
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</p>
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</li></ul>
1169-
<h1><aname="section_18">Miscellaneous Performance</a></h1>
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<h1><aname="section_20">Miscellaneous Performance</a></h1>
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<ul>
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<li>Do async I/O for faster random read-ahead of data
@@ -1219,7 +1220,7 @@ <h1><a name="section_18">Miscellaneous Performance</a></h1>
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concurrent reads from multiple devices in a partitioned table.
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</p>
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</li></ul>
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<h1><aname="section_19">Source Code</a></h1>
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<h1><aname="section_21">Source Code</a></h1>
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<ul>
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<li>Add use of 'const' for variables in source tree
@@ -1286,7 +1287,7 @@ <h1><a name="section_19">Source Code</a></h1>
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of result sets using new statement protocol
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</li></ul>
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</li></ul>
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<h1><aname="section_20">Exotic Features</a></h1>
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<h1><aname="section_22">Exotic Features</a></h1>
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<ul>
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<li>Add pre-parsing phase that converts non-ISO syntax to supported
@@ -1313,7 +1314,7 @@ <h1><a name="section_20">Exotic Features</a></h1>
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<p><ahref="http://archives.postgresql.org/pgsql-hackers/2008-01/msg00893.php">http://archives.postgresql.org/pgsql-hackers/2008-01/msg00893.php</a>
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</p>
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</li></ul>
1316-
<h1><aname="section_21">Features We Do<u>Not</u> Want</a></h1>
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<h1><aname="section_23">Features We Do<u>Not</u> Want</a></h1>
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<ul>
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<li>All backends running as threads in a single process (not wanted)

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