TODO list for PostgreSQL
========================
-Last updated: Thu Mar 6 14:52:53 EST 2003
+Last updated: Fri Mar 7 22:03:10 EST 2003
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
* Add group object ownership, so groups can rename/drop/grant on objects,
so we can implement roles
* Add the concept of dataspaces/tablespaces [tablespaces]
-* Allow incremental backups
* Allow CIDR format to be used in pg_hba.conf
* Disallow changing default expression of a SERIAL column
* Allow infinite dates just like infinite timestamps
* Allow pg_dump to dump sequences using NO_MAXVALUE and NO_MINVALUE
-
-
-* CONVERSION
- o Allow better handling of numeric constants, type conversion
- [typeconv]
+* Allow better handling of numeric constants, type conversion [typeconv]
* ARRAYS
o Allow nulls in arrays
* -Make a transaction-safe TRUNCATE (Rod)
* Add ROLLUP, CUBE, GROUPING SETS options to GROUP BY
* Add schema option to createlang
+* Allow savepoints / nested transactions [transactions] (Bruce)
* ALTER
o Add SET SCHEMA
o Allow EXPLAIN EXECUTE to see prepared plans
o Allow SHOW of non-modifiable variables, like pg_controldata
- o Add GUC parameter to control the maximum number of rewrite cycles
* SERVER-SIDE LANGUAGES
o Allow PL/PgSQL's RAISE function to take expressions
without using PL/PgSQL EXECUTE, needs cache prevention/invalidation
o Fix PL/pgSQL RENAME to work on variables other than OLD/NEW
o Improve PL/PgSQL exception handling
- o Allow parameters to be specified by name and type during
- definition
+ o Allow parameters to be specified by name and type during definition
o Allow function parameters to be passed by name,
get_employee_salary(emp_id => 12345, tax_year => 2001)
o Add PL/PgSQL packages
Transactions
============
-* Overhaul bufmgr/lockmgr/transaction manager
-* Allow savepoints / nested transactions [transactions] (Bruce)
Exotic Features
* Turn off after-change writes if fsync is disabled (?)
* Add WAL index reliability improvement to non-btree indexes
* Find proper defaults for postgresql.conf WAL entries
-* Add checkpoint_min_warning postgresql.conf option to warn about checkpoints
- that are too frequent
+* -Add checkpoint_min_warning postgresql.conf option to warn about checkpoints
+ that are too frequent (Bruce)
* Allow xlog directory location to be specified during initdb, perhaps
using symlinks
-* Allow pg_xlog to be moved without symlinks
* Allow WAL information to recover corrupted pg_controldata
* Allow ORDER BY ... LIMIT to select top values without sort or index
using a sequential scan for highest/lowest values (Oleg)
* -Inline simple SQL functions to avoid overhead (Tom)
-* Precompile SQL functions to avoid overhead (Neil)
+* -Precompile SQL functions to avoid overhead (Neil)
* Add utility to compute accurate random_page_cost value
* Improve ability to display optimizer analysis using OPTIMIZER_DEBUG
* Use CHECK constraints to improve optimizer decisions