TODO list for PostgreSQL
========================
-Last updated: Thu Sep 13 23:21:33 EDT 2001
+Last updated: Sun Sep 23 00:08:16 EDT 2001
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
* Add NCHAR (as distinguished from ordinary varchar),
* Allow LOCALE on a per-column basis, default to ASCII
* Support multiple simultaneous character sets, per SQL92
-* -Reject character sequences those are not valid in their charset
+* -Reject character sequences those are not valid in their charset (Tatsuo)
* Make functions more multi-byte aware, e.g. trim()
* -Make n of CHAR(n)/VARCHAR(n) the number of letters, not bytes (Tatsuo)
* Allow setting database character set without multibyte enabled
SYSTEM TABLES
* -Add unique indexes to pg_shadow.usename and pg_shadow.usesysid or
- switch to pg_shadow.oid as user id
-* -Add unique indexes on pg_database
+ switch to pg_shadow.oid as user id (Tom)
+* -Add unique indexes on pg_database (Tom)
* -Check all system tables and add unique indexes as needed (Tom)
-* -Remove pg_listener index
+* -Remove pg_listener index (Tom)
* -Remove unused pg_variable, pg_inheritproc, pg_ipl tables (Bruce)
COMMANDS
* -Allow LOCK TABLE tab1, tab2, tab3 so all tables locked in unison [lock]
* Allow RULE recompilation
* Add BETWEEN ASYMMETRIC/SYMMETRIC
-* Change LIMIT val,val to offset,limit to match MySQL
+* -Change LIMIT val,val to offset,limit to match MySQL (Bruce)
* Allow LIMIT/OFFSET to use expressions
* Allow PL/PgSQL's RAISE function to take expressions
* Change PL/PgSQL to use palloc() instead of malloc()
o ALTER TABLE ADD PRIMARY KEY (Christopher Kings-Lynne)
o ALTER TABLE ADD UNIQUE (Christopher Kings-Lynne)
o ALTER TABLE table ADD COLUMN column SERIAL doesn't create sequence
-
* CLUSTER
o cluster all tables at once
o prevent lose of indexes, permissions, inheritance
deferredTriggerGetPreviousEvent or "change violation" [foreign]
* Allow user to control trigger firing order
* Change foreign key constraint for array -> element to mean element
- in array
+ in array
DEPENDENCY CHECKING
* Allow autocommit so always in a transaction block
* Overhaul bufmgr/lockmgr/transaction manager
* Allow nested transactions / savepoints [transactions]
-* Handle transaction rollover (Tom) [transactions]
+* -Handle transaction rollover (Tom) [transactions]
EXOTIC FEATURES
MISCELLANEOUS
-* Increase identifier length(NAMEDATALEN) if small performance hit
+* Increase identifier length (NAMEDATALEN) if small performance hit
* -Populate backend status area and write program to dump status data (Jan)
* -Put sort files in their own directory (Bruce)
* Show location of syntax error in query [yacc]
-* Add sed-like regular expression search/replace capability
* Change representation of whole-tuple parameters to functions
MISCELLANEOUS
-* Allow compression of log and meta data
+* -Allow compression of log and meta data (Tom)
* Do async I/O to do better read-ahead of data
* Experiment with multi-threaded backend [thread]
* Get faster regex() code from Henry Spencer <henry@zoo.utoronto.ca>
o wakeup sleeper or sleep for less than one clock tick
o spin for lock on multi-cpu machines, yield on single cpu machines
o read/write locks
-* Add queue of backends waiting for spinlock
SOURCE CODE
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* Add use of 'const' for variables in source tree
* Does Mariposa source contain any other bug fixes?
-* Convert remaining fprintf(stderr,...)/perror() to elog()
+* -Convert remaining fprintf(stderr,...)/perror() to elog() (Peter E)
* Fix problems with libpq non-blocking/async code [async]
* -Merge global and template BKI files (Tom)
* Fix username/password length limits in all areas, e.g. pg_passwd
-* Remove compile-time upper limit on number of backends (MAXBACKENDS) (Tom)
+* -Remove compile-time upper limit on number of backends (MAXBACKENDS) (Tom)
* Make sure all block numbers are unsigned to increase maximum table size
* Use BlockNumber rather than int where appropriate
* Merge LockMethodCtl and LockMethodTable into one shared structure (Bruce)
* HOLDER/HOLDERTAB rename to PROCLOCKLINK/PROCLOCKLINKTAG (Tom)
* Add version file format stamp to heap and other table types
-* Make elog(LOG) in WAL its own output type, distinct from DEBUG
+* -Make elog(LOG) in WAL its own output type, distinct from DEBUG (Peter E)
* Rename some /contrib modules from pg* to pg_*
-* Move some things from /contrib into main tree, like soundex
+* Move some things from /contrib into main tree, like fuzzystrmatch
* Remove warnings created by -Wcast-align
* Move platform-specific ps status display info from ps_status.c to ports
* Allow ps status display to work on Solaris/SVr4-based systems
* -Decide on spelling of indexes/indices (Peter E)
-* Add mention of VACUUM, log rotation to Administrator's Guide
+* -Add mention of VACUUM, log rotation to Administrator's Guide (Tom, Bruce)
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