TODO list for PostgreSQL
========================
-Last updated: Tue Jan 2 21:23:11 EST 2001
+Last updated: Wed Jan 3 01:56:41 EST 2001
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
The most recent version of this document can be viewed at
the PostgreSQL web site, http://www.PostgreSQL.org.
-A dash(-) marks changes that will appear in the upcoming 7.1 release.
+A dash (-) marks changes that will appear in the upcoming 7.1 release.
Names in brackets "[]" indicate more detailed information is available in
the directory pgsql/doc/TODO.detail/ under that name.
* SELECT pg_class FROM pg_class generates strange error
* Alter TABLE ADD COLUMN does not honor DEFAULT, add CONSTRAINT
-* -Creating index of TIMESTAMP & RELTIME fails, or rename to DATETIME(Thomas)
+* -Creating index of TIMESTAMP & RELTIME fails, or rename to DATETIME (Thomas)
* -SELECT foo UNION SELECT foo is incorrectly simplified to SELECT foo
* Unique index on base column not honored on inserts from inherited table
INSERT INTO inherit_table (unique_index_col) VALUES (dup) should fail
VIEWS
-* -Views containing aggregates sometimes fail(Jan)
+* -Views containing aggregates sometimes fail (Jan)
* Creating view and inheriting the view causes view* to show
- duplicates(inherit)
-* -Disallow LOCK on view(Mark Hollomon)
+ duplicates (inherit)
+* -Disallow LOCK on view (Mark Hollomon)
MISC
URGENT
-* -Add OUTER joins, left and right[outer](Tom, Thomas)
-* -Allow long tuples by chaining or auto-storing outside db (TOAST)(Jan)
-* Fix memory leak for expressions[memory](Tom?)
+* -Add OUTER joins, left and right[outer] (Tom, Thomas)
+* -Allow long tuples by chaining or auto-storing outside db (TOAST) (Jan)
+* Fix memory leak for expressions[memory] (Tom?)
* Add replication of distributed databases [replication]
o automatic fallover
o load balancing
o sample implementation in contrib/rserv
o queries across databases or servers (two-phase commit)
* Point-in-time data recovery using backup and write-ahead log
-* Allow row re-use without vacuum(Vadim)
+* Allow row re-use without vacuum (Vadim)
ADMIN
-* More access control over who can create tables and use locks(Karel)
+* More access control over who can create tables and use locks (Karel)
* -Test syslog functionality
* Convert remaining fprintf(stderr,...) to elog()
* Allow elog() to return error codes, module name, file name, line
* -Add STDDEV/VARIANCE() function for standard deviation computation/variance
* -Allow compression of large fields or a compressed field type
* -Large objects
- o -Fix large object mapping scheme, own typeid or reltype(Peter)
+ o -Fix large object mapping scheme, own typeid or reltype (Peter)
o -Not to stuff everything as files in a single directory, hash dirs
o -Allow large object vacuuming
o -Tables that start with xinv confused to be large objects
* Add IPv6 capability to INET/CIDR types
-* Fix improper masking of some inet/cidr types [cidr]
+* -Fix improper masking of some inet/cidr types [cidr]
* Make a separate SERIAL type?
* Store binary-compatible type information in the system
* Add support for & operator
* Functions returning sets don't really work right[function]
* -Add hash for int8 (Tom)
* SELECT col FROM tab WHERE numeric_col = 10.1 fails
-* Get BIT type working
+* -Get BIT type working
* Allow better handling of numeric constants, type conversion [typeconv]
* Support multiple simultaneous character sets, per SQL92
* Reject character sequences those are not valid in their charset
* Make functions more multi-byte aware, i.e. trim()
* Make n of CHAR(n)/VARCHAR(n) the number of letters, not bytes
-* Update macaddr manufacturer numbers, or remove the function macaddr_manuf()
+* -Update macaddr manufacturer numbers, or remove the function macaddr_manuf()
* Add btree index support for reltime, tinterval, regproc, bit, varbit
* Add rtree index support for line, lseg, path, point
* Make binary/file in/out interface for TOAST columns
COMMANDS
* ALTER TABLE ADD COLUMN to inherited table put column in wrong place [inherit]
-* -Add ALTER TABLE ALTER COLUMN feature(Peter E)
+* -Add ALTER TABLE ALTER COLUMN feature (Peter E)
* Add ALTER TABLE DROP COLUMN feature [drop]
* Add ALTER TABLE command to change table ownership (Mark H)
* Add ALTER FUNCTION
* Allow CLUSTER on all tables at once, and improve CLUSTER, loses NOT
NULL specification, indexes, permissions, etc on table
* Add SIMILAR TO to allow character classes, 'pg_[a-c]%'
-* Auto-destroy sequence on DROP of table with SERIAL(Ryan)
+* Auto-destroy sequence on DROP of table with SERIAL (Ryan)
* Allow LOCK TABLE tab1, tab2, tab3 so all tables locked in unison [lock]
* Allow INSERT/UPDATE of system-generated oid value for a row
* -Allow ESCAPE '\' at the end of LIKE for ANSI compliance (Thomas)
* -Support UNION/INTERSECT/EXCEPT in sub-selects
* -Allow DELETE and UPDATE to use inheritance
* Allow INSERT INTO my_table VALUES (a, b, c, DEFAULT, x, y, z, ...)
+* Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
* Allow BINARY option to SELECT, like we do with DECLARE
* MOVE 0 should not move to end of cursor
* Overhaul ACL (access control) code
* Allow ORDER BY...LIMIT in INSERT INTO ... SELECT
* Add SHOW command to display locks
-* Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
CLIENTS
-* Make NULL's come out at the beginning or end depending on the
+* Make NULL's come out at the beginning or end depending on the
ORDER BY direction
* Update reltuples from COPY command
* Allow COPY to specify column names
* Create a background process for each database that runs while
database is idle, finding superceeded rows, gathering stats and vacuuming
* Add UNIQUE capability to non-btree indexes
-* Certain indexes will not shrink, i.e. oid indexes with many inserts(Vadim)
+* Certain indexes will not shrink, i.e. oid indexes with many inserts (Vadim)
* Restore unused oid's on backend exit if no one else has gotten oids
* Have UPDATE/DELETE clean out indexes
* Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
* Allow DELETE WHERE CURRENT OF cursor
* -Transaction log, so re-do log can be on a separate disk by
- with after-row images(Vadim) [logging](Vadim)
+ with after-row images (Vadim) [logging]
* Populate backend status area and write program to dump status data
* Make oid use unsigned int more reliably, pg_atoi()
* Put sort files in their own directory
* Allow autocommit so always in a transaction block
* Show location of syntax error in query [yacc]
-* -Redesign the function call interface to handle NULLs better[function](Tom)
+* -Redesign the function call interface to handle NULLs better[function] (Tom)
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
* Overhaul bufmgr/lockmgr/transaction manager
* -redesign UNION structures to have separarate target lists
* -Allow multi-level query trees for INSERT INTO ... SELECT
* Use IPC_EXCL when creating shared memory and semaphores
* have pg_upgrade use pg_ctl to stop/start postmaster
-* Encrpyt passwords in pg_shadow table using MD5(Vince)
+* Encrpyt passwords in pg_shadow table using MD5 (Vince)
* Use flock() to prevent multiple postmasters on the same port [flock]
* Allow Java server-side programming
* -BSD/OS does not support locale because there is no LC_MESSAGES (Bruce)
* Add connection pooling [pool]
* Allow persistent backends [persistent]
+* Create a transaction processor to aid in persistent connections and
+ connection pooling
* Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
ANALYZE, and CLUSTER
* Add use of 'const' for variables in source tree
* -Fix C optimizer problem where fmgr_ptr calls return different types (Tom)
* Does Mariposa source contain any other bug fixes?
-* Remove SET KSQO option now that OR processing is improved(Tom)
+* Remove SET KSQO option now that OR processing is improved (Tom)
* -Use macros to define NT open() file parameters, remove NT-specific defines
* -Change CURRENT to OLD internally for rules (Bruce)
* replace the use of fprint(stderr, ...) with elog() in backend code
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