Update TODO list.

This commit is contained in:
Bruce Momjian 1999-09-20 16:25:33 +00:00
parent 957e6a6921
commit b8e7ebb7aa

View File

@ -28,6 +28,7 @@ PARSER
* Do not allow bpchar column creation without length
* Select a[1] FROM test fails, it needs test.a[1]
* -Array index references without table name cause problems
(see TODO.detail/array)
* Update table SET table.value = 3 fails
* Creating index of TIMESTAMP & RELTIME fails, or rename to DATETIME(Thomas)
* SELECT foo UNION SELECT foo is incorrectly simplified to SELECT foo
@ -62,11 +63,11 @@ ENHANCEMENTS
URGENT
* Add referential integrity(Jan?)
* Add OUTER joins, left and right(Thomas, Bruce)
* Add referential integrity(Jan?)(see TODO.detail/primary)
* Add OUTER joins, left and right(see TODO.detail/outer)(Thomas, Bruce)
* Allow long tuples by chaining or auto-storing outside db (chaining,large objs)
* Eliminate limits on query length
* Fix memory leak for expressions?, aggregates?(Tom?)
* Fix memory leak for expressions?, aggregates?(see TODO.detail/memory)(Tom?)
ADMIN
@ -76,7 +77,8 @@ ADMIN
* 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
* Add ability to specifiy location of lock/socket files
(see TODO.detail/flock)
* Add ability to specifiy location of lock/socket files (see TODO.detail/flock)
TYPES
@ -148,7 +150,7 @@ CLIENTS
* Update reltuples from COPY command
* Allow psql \copy to allow delimiters
* Add a function to return the last inserted oid, for use in psql scripts
* Allow psql to print nulls as distinct from ""(?)
* Allow psql to print nulls as distinct from ""(see TODO.detail/nulls)
* PQrequestCancel() be able to terminate backend waiting for lock
EXOTIC FEATURES
@ -165,23 +167,25 @@ MISC
* 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
* -Certain indexes will not shrink, i.e. oid indexes with many inserts
* Restore unused oid's on backend exit if no one else has gotten oids
* Have UPDATE/DELETE clean out indexes
* Allow WHERE restriction on ctid
* Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
* 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)
* -Transaction log, so re-do log can be on a separate disk by
with after-row images(Vadim) (see TODO.detail/logging)
* 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
* Put sort files, large objects in their on directory
* Do autocommit so always in a transaction block
* Show location of syntax error in query
* Put sort files, large objects in their own directory
* Do autocommit so always in a transaction block(?)
* Show location of syntax error in query (see TODO.detail/yacc)
* Redesign the function call interface to handle NULLs better(Jan)
* Document/trigger/rule so changes to pg_shadow recreate pg_pwd
(see TODO.detail/pg_shadow)
* Missing optimizer selectivities for date, r-tree, etc.
(see TODO.detail/optimizer)
* Overhaul mdmgr/smgr to fix double unlinking and double opens, cleanup
* Overhaul bufmgr/lockmgr/transaction manager
* Add PL/Perl(Mark Hollomon)
@ -196,8 +200,9 @@ PERFORMANCE
FSYNC
* Allow transaction commits with rollback with no-fsync performance
* Prevent fsync in SELECT-only queries
* -Allow transaction commits with rollback with no-fsync performance
(see TODO.detail/fsync)
* -Prevent fsync in SELECT-only queries
INDEXES
@ -207,9 +212,11 @@ INDEXES
non-consecutive keys or OR clauses, so fewer heap accesses
* Convert function(constant) into a constant for index use
* Allow LIMIT ability on single-table queries that have no ORDER BY to use
a matching index
a matching index(see TODO.detail/limit)
* Improve LIMIT processing by using index to limit rows processed
(see TODO.detail/limit)
* Have optimizer take LIMIT into account when considering index scans
(see TODO.detail/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
@ -220,7 +227,7 @@ INDEXES
CACHE
* Cache most recent query plan(s?)
* Cache most recent query plan(s)(see TODO.detail/prepare)
* Shared catalog cache, reduce lseek()'s by caching table size in shared area
* elog() flushes cache, try invalidating just entries from current xact,
perhaps using invalidation cache
@ -232,7 +239,7 @@ MISC
* Update pg_statistic table to remove operator column
* Allow char() not to use variable-sized header to reduce disk size
* Do async I/O to do better read-ahead of data
* -Fix memory exhaustion when using many OR's
* -Fix memory exhaustion when using many OR's(see TODO.detail/cnfify)
* Get faster regex() code from Henry Spencer <henry@zoo.utoronto.ca>
when it is available
* Use mmap() rather than SYSV shared memory(?)
@ -243,21 +250,24 @@ MISC
* use fmgr_info()/fmgr_faddr() instead of fmgr() calls in high-traffic
places, like GROUP BY, UNIQUE, index processing, etc.
* improve dynamic memory allocation by introducing tuple-context memory
allocation
allocation(see TODO.detail/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
* pass atttypmod through parser in more cases(Bruce)
* remove duplicate type in/out functions for disk and net
* change VACUUM ANALYZE to use btree comparison functions, not <,=,> calls
* Allow persistent backends(see TODO.detail/persistent)
* Misc(see TODO.detail/performance)
SOURCE CODE
-----------
* Add use of 'const' for varibles in source tree
* Fix C optimizer problem where fmgr_ptr calls return different types
* Add needed includes and removed unneede include files(Bruce)
(see TODO.detail/alpha)
* -Add needed includes and removed unneeded include files(Bruce)
* Make configure --enable-debug add -g on compile line
* Does Mariposa source contain any other bug fixes?
* Remove SET KSQO option of OR processing is improved
* Remove SET KSQO option if OR processing is improved
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