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Update TODO list.

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Bruce Momjian 2000-01-11 12:11:20 +00:00
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commit 142ce7939d
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@ -1,6 +1,6 @@
TODO list for PostgreSQL
========================
Last updated: Mon Jan 10 08:19:08 EST 2000
Last updated: Tue Jan 11 07:07:31 EST 2000
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -18,8 +18,8 @@ RELIABILITY
RESOURCES
* Elog() does not free all its memory(Jan)
* spinlock stuck problem when elog(FATAL) and elog(ERROR) inside bufmgr
* -Elog() does not free all its memory
* -spinlock stuck problem when elog(FATAL) and elog(ERROR) inside bufmgr
* -Recover or force failure when disk space is exhausted(Hiroshi)
PARSER
@ -33,7 +33,7 @@ PARSER
* -Array index references without table name cause problems [array](Tom)
* Update table SET table.value = 3 fails(SQL standard says this is OK)
* Creating index of TIMESTAMP & RELTIME fails, or rename to DATETIME(Thomas)
* SELECT foo UNION SELECT foo is incorrectly simplified to SELECT foo
* -SELECT foo UNION SELECT foo is incorrectly simplified to SELECT foo
* -INSERT ... SELECT ... GROUP BY groups by target columns not source columns(Tom)
* -CREATE TABLE test (a char(5) DEFAULT text '', b int4) fails on INSERT(Tom)
* -UNION with LIMIT fails
@ -49,13 +49,13 @@ PARSER
* redesign INSERT ... SELECT to have two levels of target list
* -select * from pg_class where oid in (0,-1)
* have INTERSECT/EXCEPT prevent duplicates unless ALL is specified
* prevent primary key of nine columns [primary]
* prevent primary key that exceeds max index columns [primary]
* -SELECT COUNT('asdf') FROM pg_class WHERE oid=12 crashes
* SELECT DISTINCT ON col1 col1 col2 FROM tab1 is broken [distinct]
* -require SELECT DISTINCT target list to have all ORDER BY columns
* -When using aggregates + GROUP BY, no rows in should yield no rows out(Tom)
* -Allow HAVING to use comparisons that have no aggregates(Tom)
* Allow COUNT(DISTINCT col)
* -Allow COUNT(DISTINCT col))(TOm)
VIEWS
@ -68,9 +68,9 @@ MISC
* User who can create databases can modify pg_database table
* Plpgsql does not handle quoted mixed-case identifiers
* Fix btree to give a useful elog when key > 1/2 (page - overhead)
* -Fix btree to give a useful elog when key > 1/2 (page - overhead)(Tom)
* -pg_dump should preserve primary key information
* plpgsql regression tests fail on BSD/OS
* plpgsql regression tests fails on BSD/OS
* -database names with spaces fail
* insert of 0.0 into DECIMAL(4,4) field fails
@ -79,9 +79,9 @@ ENHANCEMENTS
URGENT
* Add referential integrity(Jan?)[primary]
* -Add referential integrity(Jan)[primary]
* Add OUTER joins, left and right[outer](Thomas, Bruce)
* Allow long tuples by chaining or auto-storing outside db (chaining,large objs)
* Allow long tuples by chaining or auto-storing outside db (TOAST)(Jan)
* -Eliminate limits on query length
* Fix memory leak for expressions[memory](Tom?)
* -Fix memory leak for aggregates(Tom)
@ -93,19 +93,19 @@ ADMIN
* Test syslog functionality
* Allow elog() to return error codes, not just messages
* Allow international error message support and add error codes
* Generate postmaster pid file and remove flock/fcntl lock code [flock]
* -Generate postmaster pid file and remove flock/fcntl lock code[flock](Tatsuo)
* Add ability to specifiy location of lock/socket files [flock]
TYPES
* Add BIT, BIT VARYING
* -Add BIT, BIT VARYING
* Nchar (as distinguished from ordinary varchar),
* Domain capability
* 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 Allow large text type to use large objects(Peter)
o -Allow large text type to use large objects(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
@ -117,7 +117,7 @@ TYPES
* Allow user to define char1 column
* Add support for & operator
* Allow LOCALE on a per-column basis, default to ASCII
* Allow LOCALE to use indexes in regular expression searches
* -Allow LOCALE to use indexes in regular expression searches(Tom)
* Allow array on int8[]
* Allow nulls in arrays
* Allow arrays to be ORDER'ed
@ -143,8 +143,8 @@ INDEXES
* Permissions on indexes, prevent them?
* Allow SQL function indexes
* Add FILLFACTOR to index creation
* Allow indexing of LIKE with localle character sets
* Allow indexing of more than eight columns
* -Allow indexing of LIKE with localle character sets
* -Allow indexing of more than eight columns
COMMANDS
@ -196,15 +196,15 @@ MISC
* Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
* Allow DELETE WHERE CURRENT OF cursor
* Allow PQrequestCancel() to terminate when in waiting-for-lock state
* -Transaction log, so re-do log can be on a separate disk by
with after-row images(Vadim) [logging](Vadim)
* Transaction log, so re-do log can be on a separate disk by
with after-row images(Vadim) [logging](Vadim)(in-progress)
* Populate backend status area and write program to dump status data
* Make oid use unsigned int more reliably, pg_atoi()
* -Allow subqueries in target list
* -Allow subqueries in target list(Tom)
* Put sort files, large objects in their own directory
* Do 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]
* Redesign the function call interface to handle NULLs better[function](TOm)
* -Document/trigger/rule so changes to pg_shadow recreate pg_pwd [pg_shadow]
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
* -Overhaul mdmgr/smgr to fix double unlinking and double opens, cleanup
@ -237,9 +237,10 @@ INDEXES
* Have optimizer take LIMIT into account when considering index scans [limit]
* -Make index creation use psort code, because it is now faster(Vadim)
* -Allow creation of sort temp tables > 1 Gig
* Create more system table indexes for faster cache lookups
* fix indexscan() so it does leak memory by not requiring caller to free
* Improve _bt_binsrch() to handle equal keys better, remove _bt_firsteq()(Tom)
* -Create more system table indexes for faster cache lookups
* -fix indexscan() so it does leak memory by not requiring caller to
free(Tom)
* -Improve _bt_binsrch() to handle equal keys better, remove _bt_firsteq()(Tom)
* Allow SELECT * FROM tab WHERE int2col = 4 use int2col index, int8,
float4, numeric/decimal too [optimizer]
* -Allow optimizer to prefer plans that match ORDER BY(Tom)
@ -271,12 +272,12 @@ MISC
places, like GROUP BY, UNIQUE, index processing, etc.
* improve dynamic memory allocation by introducing tuple-context memory
allocation [memory]
* fix memory leak in cache code when non-existant table is referenced
* In WHERE tab1.x=3 AND tab1.x=tab2.y, add tab2.y=3
* -fix memory leak in cache code when non-existant table is referenced
In WHERE tab1.x=3 AND tab1.x=tab2.y, add tab2.y=3
* pass atttypmod through parser in more cases [atttypmod]
* remove duplicate type in/out functions for disk and net
* -remove duplicate type in/out functions for disk and net
* Allow persistent backends [persistent]
* Misc [performance]
* others [performance]
SOURCE CODE
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