<
> * Prevent inet cast to cidr if the unmasked bits are not zero, or
>   zero bits

> * Add RESET CONNECTION command to reset all session state
329a331,334
>   This would include resetting of all variables (RESET ALL), dropping of
>   all temporary tables, removal of any NOTIFYs, etc.  This could be used
>   for connection pooling.  We could also change RESET ALL to have this
>   functionality.

>
811a813,814
> 	o Re-enable timezone output on log_line_prefix '%t' when a
> 	  shorter timezone string is available

<
> * Win32
> 	o Remove per-backend parameter file and move into shared memory?
> 	o Remove configure.in check for link failure when cause is found
> 	o Remove readdir() errno patch when runtime/mingwex/dirent.c rev
> 	  1.4 is released
> 	o Remove psql newline patch when we find out why mingw outputs an
> 	  extra newline
> 	o Allow psql to use readline once non-US code pages work with
> 	  backslashes

* Consider parallel processing a single query

  This would involve using multiple threads or processes to do optimization,
  sorting, or execution of single query.  The major advantage of such a
  feature would be to allow multiple CPUs to work together to process a
  single query.

>
> * Consider automatic caching of queries at various levels:
> 	o Parsed query tree
> 	o Query execute plan
> 	o Query results

< Last updated:		Sat Sep 25 21:33:44 EDT 2004
> Last updated:		Mon Sep 27 10:15:31 EDT 2004
13,19d12
< Remove items before beta?
<
< Urgent
< ======
<
< * -Point-in-time data recovery using backup and write-ahead log
< * -Create native Win32 port
25d17
< * -Incremental backups
28d19
< * -Allow configuration files to be specified in a different directory
32,34d22
< * -Add the concept of dataspaces/tablespaces (Gavin)
< * -Allow logging of only data definition(DDL), or DDL and modification statements
< * -Allow log lines to include session-level information, like database and user
54d41
< * -Allow external interfaces to extend the GUC variable set
126d112
< * -Change factorial to return a numeric (Gavin)
141,142d126
< * -Allow pg_dump to dump sequences using NO_MAXVALUE and NO_MINVALUE
< * -Prevent whole-row references from leaking memory, e.g. SELECT COUNT(tab.*)
147d130
< * -Make LENGTH() of CHAR() not count trailing spaces
150d132
< * -Support composite types as table columns
198,200d179
< * -Prevent mismatch of frontend/backend encodings from converting bytea
<   data from being interpreted as encoded strings
< * -Fix upper()/lower() to work for multibyte encodings
217d195
< * -Order duplicate index entries on creation by ctid for faster heap lookups
242d219
< * -Be smarter about insertion of already-ordered data into btree index
265,266d241
< * -Allow SELECT * FROM tab WHERE int2col = 4 to use int2col index, int8,
<   float4, numeric/decimal too
282d256
< * -Allow command blocks to ignore certain types of errors
302,303d275
< * -Allow savepoints / nested transactions (Alvaro)
< * -Use nested transactions to prevent syntax errors from aborting a transaction
306,307d277
< * -Prevent COMMENT ON DATABASE from using a database name
< * -Add NO WAIT LOCKs
325,326d294
< * -COMMENT ON [ CAST | CONVERSION | OPERATOR CLASS | LARGE OBJECT | LANGUAGE ]
<   (Christopher)
334d301
< * -Allow more ISOLATION LEVELS to be accepted
347d313
< * -Add GUC setting to make created tables default to WITHOUT OIDS
365,369d330
< 	o -ALTER TABLE ADD COLUMN does not honor DEFAULT and non-CHECK CONSTRAINT
< 	o -ALTER TABLE ADD COLUMN column DEFAULT should fill existing
< 	  rows with DEFAULT value
< 	o -ALTER TABLE ADD COLUMN column SERIAL doesn't create sequence because
<           of the item above
371,373d331
< 	o -Allow ALTER TABLE to modify column lengths and change to binary
< 	  compatible types
< 	o -Add ALTER DATABASE ... OWNER TO newowner
390,393d347
< 	o -Add ALTER DOMAIN, AGGREGATE, CONVERSION ... OWNER TO
< 	o -Add ALTER SEQUENCE ... OWNER TO
< 	o -Add ALTER INDEX that works just like ALTER TABLE already does
< 	  on an index
404d357
< 	o -Add ALTER TABLE table SET WITHOUT CLUSTER (Christopher)
411d363
< 	o -Allow dump/load of CSV format
464d415
< 	o -Allow Java server-side programming
473d423
< 	o -Allow PL/pgSQL parameters to be specified by name and type during definition
493,495d442
< * -Allow psql \du to show users, and add \dg for groups
< * -Have psql \dn show only visible temp schemas using current_schemas()
< * -Have psql '\i ~/<tab><tab>' actually load files it displays from home dir
509,511d455
< 	o -Allow pg_dump to dump CREATE CONVERSION (Christopher)
< 	o -Make pg_restore continue after errors, so it acts more like pg_dump
< 	  scripts
545d488
< 	o -Implement SET DESCRIPTOR
592,596d534
< * -Have AFTER triggers execute after the appropriate SQL statement in a
<   function, not at the end of the function
< * -Print table names with constraint names in error messages, or make constraint
<   names unique within a schema
< * -Issue NOTICE if foreign key data requires costly test to match primary key
614,615d551
< * -Use dependency information to dump data in proper order
< * -Have pg_dump -c clear the database using dependency information
694,695d629
< * -Provide automatic running of vacuum in the background in backend
<   rather than in /contrib (Matthew)
828d761
< * -Use background process to write dirty shared buffers to disk
843d775
< * -Change representation of whole-tuple parameters to functions
850,852d781
< * -Add checks for fclose() failure (Tom)
< * -Change CVS ID to PostgreSQL
< * -Exit postmaster if postgresql.conf can not be opened

SQL92 (the former defines a much more ambitious subset of views that
need to be updatable).

< * Point-in-time data recovery using backup and write-ahead log,
< * Create native Win32 port, http://momjian.postgresql.org/main/writings/pgsql/project/win32.html
> * -Point-in-time data recovery using backup and write-ahead log
> * -Create native Win32 port
470c470
<     o Fix PL/pgSQL RENAME to work on variables other than OLD/NEW
> 	o Fix PL/pgSQL RENAME to work on variables other than OLD/NEW

< * Have AFTER triggers execute after the appropriate SQL statement in a
> * -Have AFTER triggers execute after the appropriate SQL statement in a

> * Make row-wise comparisons work per SQL spec
>

> * Remove Win32 rename/unlink looping if unnecessary

> * Consider using hash buckets to do DISTINCT, rather than sorting
>
>   This would be beneficial when there are few distinct values.

< * Fix oid2name and dbsize for tablespaces

< 	This would require some background daemon to maintain clustering
> 	This might require some background daemon to maintain clustering
397,398c397,398
< 	paritally filled for easier reorganization.  It also might require
< 	creating a merged heap/index data file so an index lookup would
> 	paritally filled for easier reorganization.  Another idea would
>         be to create a merged heap/index data file so an index lookup would

< 	This would require some background daemon to restore clustering
> 	This would require some background daemon to maintain clustering
397c397,399
< 	paritally filled for easier reorganization.
> 	paritally filled for easier reorganization.  It also might require
> 	creating a merged heap/index data file so an index lookup would
> 	automatically access the heap data too.

> * Merge hardwired timezone names with the TZ database; allow either kind
>   everywhere a TZ name is currently taken
> * Allow customization of the known set of TZ names (generalize the
>   present australian_timezones hack)

< * Implement dirty reads or shared row locks and use them in RI triggers (?)
> * Implement dirty reads or shared row locks and use them in RI triggers
>
>   Adding shared locks requires recording the table/rows numbers in a
>   shared area, and this could potentially be a large amount of data.
>   One idea is to store the table/row numbers in a separate table and set
>   a bit on the row indicating looking in this new table is required to
>   find any shared row locks.
>

<   partial page writes during recovery.
>   partial page writes during recovery.  These pages can also be
>   eliminated from point-in-time archive files.

< 	o Allow databases, schemas, and indexes to be moved to different
< 	  tablespaces
> 	o Allow databases and schemas to be moved to different tablespaces
>
> 	One complexity is whether moving a schema should move all existing
> 	schema objects or just define the location for future object creation.
>
382c385
< 	o Add ALTER INDEX that works just like ALTER TABLE already does
> 	o -Add ALTER INDEX that works just like ALTER TABLE already does
384d386
< 	o Add ALTER INDEX syntax to work like ALTER TABLE indexname

< * -Have psql \dn show only visible temp schemas using current_schemas()
< * -Have psql '\i ~/<tab><tab>' actually load files it displays from home dir
484a483,484
> * -Have psql \dn show only visible temp schemas using current_schemas()
> * -Have psql '\i ~/<tab><tab>' actually load files it displays from home dir
516a517,527
>
> * psql tab completion
>
> 	o Provide a list of conversions after ALTER CONVERSION?
> 	o Support for ALTER SEQUENCE clauses
> 	o Add RENAME TO to ALTER TRIGGER
> 	o Support for ALTER USER
> 	o Fix ALTER (GROUP|DOMAIN|...) <sth> DROP
> 	o Support for ALTER LANGUAGE <sth> RENAME TO
> 	o Improve support for COPY
> 	o Improve support for ALTER TABLE

file variables:

<   Another option is to allow commented values to return to their
<   default values.
>   This has to address environment variables that are then overridden
>   by config file values.  Another option is to allow commented values
>   to return to their default values.

> * Add a function that returns the 'uptime' of the postmaster

>   Another option is to allow commented values to return to their
>   default values.

> 	o Allow COPY to optionally include column headings as the first line

< 	o Allow pg_dumpall to use non-text output formats

> * Move some /contrib modules out to their own project sites

< * -Allow pg_dump to dump CREATE CONVERSION (Christopher)
< * -Make pg_restore continue after errors, so it acts more like pg_dump scripts
485,486d482
< * Allow pg_dumpall to use non-text output formats
< * Have pg_dump use multi-statement transactions for INSERT dumps
493,496d488
< * Allow pg_dump to use multiple -t and -n switches
<
<   This should be done by allowing a '-t schema.table' syntax.
<
498a491,512
>
> * pg_dump
> 	o Allow pg_dumpall to use non-text output formats
> 	o Have pg_dump use multi-statement transactions for INSERT dumps
> 	o -Allow pg_dump to dump CREATE CONVERSION (Christopher)
> 	o -Make pg_restore continue after errors, so it acts more like pg_dump
> 	  scripts
> 	o Allow pg_dump to use multiple -t and -n switches
>
> 	  This should be done by allowing a '-t schema.table' syntax.
>
> 	o Add dumping of comments on composite type columns
> 	o Add dumping of comments on index columns
> 	o Replace crude DELETE FROM method of pg_dumpall for cleaning of
> 	  users and groups with separate DROP commands
> 	o Add dumping and restoring of LOB comments
> 	o Stop dumping CASCADE on DROP TYPE commands in clean mode
> 	o Add full object name to the tag field.  eg. for operators we need
> 	  '=(integer, integer)', instead of just '='.
> 	o Add pg_dumpall custom format dumps. This is probably best done by
> 	  combining pg_dump and pg_dumpall into a single binary
> 	o Add CSV output format

< * -Allow savepoints / nested transactions [transactions] (Alvaro)
> * -Allow savepoints / nested transactions (Alvaro)
348a349,353
> * Add an option to automatically use savepoints for each statement in a
>   multi-statement transaction.
>
>   When enabled, this would allow errors in multi-statement transactions
>   to be automatically ignored.

> 	o Add ALTER INDEX syntax to work like ALTER TABLE indexname

> * Set proper permissions on non-system schemas during db creation
>
>   Currently all schemas are owned by the super-user because they are
>   copied from the template1 database.
>

>
> * Allow buffered WAL writes and fsync
>
>   Instead of guaranteeing recovery of all committed transactions, this
>   would provide improved performance by delaying WAL writes and fsync
>   so an abrupt operating system restart might lose a few seconds of
>   committed transactions but still be consistent.  We could perhaps
>   remove the 'fsync' parameter (which results in an an inconsistent
>   database) in favor of this capability.

> 	o Add ALTER INDEX that works just like ALTER TABLE already does
> 	  on an index

> * Allow finer control over the caching of prepared query plans
>
>   Currently, queries prepared via the libpq API are planned on first
>   execute using the supplied parameters --- allow SQL PREPARE to do the
>   same.  Also, allow control over replanning prepared queries either
>   manually or automatically when statistics for execute parameters
>   differ dramatically from those used during planning.
>

< * Allow DELETE to handle table aliases for self-joins
> * Allow an alias to be provided for the target table in UPDATE/DELETE
276,279c276,282
<   There is no way to create a table alias for the deleted table for use
<   in the DELETE WHERE clause.  The agreed approach is to allow a USING
<   clause to specify additional tables.  UPDATE already has an optional
<   FROM clause for this purpose.
>   This is not SQL-spec but many DBMSs allow it.
>
> * Allow additional tables to be specified in DELETE for joins
>
>   UPDATE already allows this (UPDATE...FROM) but we need similar
>   functionality in DELETE.  It's been agreed that the keyword should
>   be USING, to avoid anything as confusing as DELETE FROM a FROM b.

* Add COMMENT ON for all cluster global objects (users, groups,
  databases and tablespaces)