TODO list for PostgreSQL
========================
-Last updated: Sun Jul 15 10:33:56 EDT 2001
+Last updated: Mon Jul 16 01:00:21 EDT 2001
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 (Tom)
-* Create a background process for each database that runs while
- database is idle, finding superceeded rows, gathering stats and
- vacuuming (Tom)
ADMIN
* Add IPv6 capability to INET/CIDR types
* -Add conversion function from text to inet
* Store binary-compatible type information in the system
+* Allow better handling of numeric constants, type conversion [typeconv]
* Support construction of array result values in expressions
* Remove Money type, add money formatting for decimal type
* SELECT cash_out(2) crashes because of opaque
* -Make binary/file in/out interface for TOAST columns (base64)
* Functions returning sets do not totally work
* SELECT col FROM tab WHERE numeric_col = 10.1 fails
-* Allow better handling of numeric constants, type conversion [typeconv]
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
* -Add SQL standard function bit_length() (Peter E)
* -Make oid use unsigned int more reliably (Tom)
* Add security checking for large objects
* ARRAYS
- * Allow nulls in arrays
- * Allow arrays to be ORDER'ed
- * fix array handling in ECPG
+ o Allow nulls in arrays
+ o Allow arrays to be ORDER'ed
+ o fix array handling in ECPG
MULTILANGUAGE SUPPORT
* Allow CREATE INDEX zman_index ON test (date_trunc( 'day', zman ) datetime_ops)
fails index can't store constant parameters
* Add FILLFACTOR to index creation
-* Re-enable partial indexes
+* -Re-enable partial indexes
* Allow inherited tables to inherit index, UNIQUE constraint, and primary
key, foreign key [inheritance]
* UNIQUE INDEX on base column not honored on inserts from inherited table
[inheritance]
* -Prevent pg_attribute from having duplicate oids for indexes (Tom)
* Add UNIQUE capability to non-btree indexes
-* Certain indexes will not shrink, e.g. oid indexes with many inserts (Vadim)
+* Certain indexes will not shrink, e.g. oid indexes with many inserts
* Have UPDATE/DELETE clean out indexes
* Add btree index support for reltime, tinterval, regproc
* Add rtree index support for line, lseg, path, point
COMMANDS
* Add SIMILAR TO to allow character classes, 'pg_[a-c]%'
-* Auto-destroy sequence on DROP of table with SERIAL, perhaps with a separate
- SERIAL type
* Allow LOCK TABLE tab1, tab2, tab3 so all tables locked in unison [lock]
* Allow RULE recompilation
* Add BETWEEN ASYMMETRIC/SYMMETRIC
* -Allow GRANT/REVOKE to handle multiple user/group names
* -Allow CREATEUSER/CREATEDB ordering in CREATE/ALTER USER (Vince)
* ALTER
- * ALTER TABLE ADD COLUMN does not honor DEFAULT and non-CHECK CONSTRAINT
- * ALTER TABLE ADD COLUMN to inherited table put column in wrong place
+ o ALTER TABLE ADD COLUMN does not honor DEFAULT and non-CHECK CONSTRAINT
+ o ALTER TABLE ADD COLUMN to inherited table put column in wrong place
[inheritance]
- * Add ALTER TABLE DROP COLUMN feature [drop]
- * Add ALTER FUNCTION
- * Add ALTER TABLE DROP non-CHECK CONSTRAINT
- * -Add ALTER TABLE DROP CHECK CONSTRAINT (Christopher Kings-Lynne)
- * ALTER TABLE ADD PRIMARY KEY (Christopher Kings-Lynne)
- * ALTER TABLE ADD UNIQUE (Christopher Kings-Lynne)
+ o Add ALTER TABLE DROP COLUMN feature [drop]
+ o Add ALTER FUNCTION
+ o Add ALTER TABLE DROP non-CHECK CONSTRAINT
+ o -Add ALTER TABLE DROP CHECK CONSTRAINT (Christopher Kings-Lynne)
+ o ALTER TABLE ADD PRIMARY KEY (Christopher Kings-Lynne)
+ o ALTER TABLE ADD UNIQUE (Christopher Kings-Lynne)
* CLUSTER
- * cluster all tables at once
- * prevent lose of indexes, permissions, inheritance
- * Automatically keep clustering on a table
- * -Keep statistics about clustering (Tom) [optimizer]
+ o cluster all tables at once
+ o prevent lose of indexes, permissions, inheritance
+ o Automatically keep clustering on a table
+ o -Keep statistics about clustering (Tom) [optimizer]
* COPY
- * Allow specification of column names
- * Allow dump/load of CSV format
+ o Allow specification of column names
+ o Allow dump/load of CSV format
* CURSOR
- * Allow BINARY option to SELECT, like we do with DECLARE
- * MOVE 0 should not move to end of cursor
- * Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
- * Allow DELETE WHERE CURRENT OF cursor
+ o Allow BINARY option to SELECT, like we do with DECLARE
+ o MOVE 0 should not move to end of cursor
+ o Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
+ o Allow DELETE WHERE CURRENT OF cursor
* INSERT
- * Allow INSERT/UPDATE of system-generated oid value for a row
- * Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
- * Allow INSERT INTO my_table VALUES (a, b, c, DEFAULT, x, y, z, ...)
- * Disallow missing columns in INSERT ... VALUES, per ANSI
- * Allow INSERT/UPDATE ... RETURNING new.col or old.col (Philip)
+ o Allow INSERT/UPDATE of system-generated oid value for a row
+ o Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
+ o Allow INSERT INTO my_table VALUES (a, b, c, DEFAULT, x, y, z, ...)
+ o Disallow missing columns in INSERT ... VALUES, per ANSI
+ o Allow INSERT/UPDATE ... RETURNING new.col or old.col (Philip)
* SHOW/SET
- * Add SHOW command to display locks
- * -Add SHOW command to show all settings
- * -Add a global RESET command for use with connection pooling
- * Add SET or BEGIN timeout parameter to cancel query if waiting too long
- * Add SET REAL_FORMAT and SET DOUBLE_PRECISION_FORMAT using printf args
- * Remove SET KSQO option now that OR processing is improved (Tom)
- * Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
+ o Add SHOW command to display locks
+ o -Add SHOW command to show all settings
+ o -Add a global RESET command for use with connection pooling
+ o Add SET or BEGIN timeout parameter to cancel query
+ o Add SET REAL_FORMAT and SET DOUBLE_PRECISION_FORMAT using printf args
+ o Remove SET KSQO option now that OR processing is improved (Tom)
+ o Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
ANALYZE, and CLUSTER
- * Add SHOW command to see locale
+ o Add SHOW command to see locale
CLIENTS
* add XML interface capability
* Fix libpq to properly handle socket failures under native MS Win32 [libpq]
* JDBC
- * Comprehensive test suite. This may be available already.
- * Updateable resultSet (must be done in backend code)
- * Improved DatabaseMetaData [java]
- * JDBC-standard BLOB support
- * Error Codes (pending backend implementation)
- * Support for binary data/bytea
+ o Comprehensive test suite. This may be available already.
+ o Updateable resultSet (must be done in backend code)
+ o Improved DatabaseMetaData [java]
+ o JDBC-standard BLOB support
+ o Error Codes (pending backend implementation)
+ o Support for binary data/bytea
REFERENTIAL INTEGRITY
* Add MATCH PARTIAL referential integrity
* -Check that primary key exists at foreign key definition time
-* Prevent column dropping if column is used by foreign key
-* Propagate column or table renaming to foreign key constraints
* Add deferred trigger queue file (Jan)
* Allow oid to act as a foreign key
* Implement dirty reads and use them in RI triggers
* Enforce referential integrity for system tables
* INSERT & UPDATE/DELETE in transaction of primary key fails with
deferredTriggerGetPreviousEvent or "change violation" [foreign]
-* Make constraints clearer in dump file
-* Make foreign keys easier to identify
* Change foreign key constraint for array -> element to mean element
in array
+
+DEPENDENCY CHECKING / pg_depend
+
+* Auto-destroy sequence on DROP of table with SERIAL, perhaps with a separate
+ SERIAL type
+* Prevent column dropping if column is used by foreign key
+* Propagate column or table renaming to foreign key constraints
* Automatically drop constraints/functions when object is dropped
+* Make constraints clearer in dump file
+* Make foreign keys easier to identify
+
TRANSACTIONS
FSYNC
* Delay fsync() when other backends are about to commit too [fsync]
- * Determine optimal commit_delay value
+ o Determine optimal commit_delay value
* Determine optimal fdatasync/fsync, O_SYNC/O_DSYNC options
- * Allow multiple blocks to be written to WAL with one write()
+ o Allow multiple blocks to be written to WAL with one write()
CACHE
* Make blind writes go through the file descriptor cache
* Allow logging of query durations
* Add hash-based aggregates
-* Read pg_hba.conf only on postmaster startup or SIGHUP
+* Read pg_hba.conf only on postmaster startup or SIGHUP (Bruce)
SOURCE CODE
* Fix username/password length limits in all areas, e.g. pg_passwd
* 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 reanme to PROCLOCKLINK/PROCLOCKLINKTAG (Tom)
+* 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
* Rename some /contrib modules from pg* to pg_*
* 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
-* Use BlockNumber rather than int where appropriate
---------------------------------------------------------------------------
Developers who have claimed items are:
--------------------------------------
- * Billy is Billy G. Allie
-
* Bruce is Bruce Momjian
- * D'Arcy is D'Arcy J.M. Cain
- * Edmund is Edmund Mergl
- * Hiroshi is Hiroshi Inoue
- * Karel is Karel Zak
- * Jan is Jan Wieck
- * Marc is Marc Fournier
- * Mark is Mark Hollomon
- * Michael is Michael Meskes
-
* Oleg is Oleg Bartunov
-
* Peter M is Peter T Mount
-
* Peter E is Peter Eisentraut
-
* Philip is Philip Warner
- * Ross is Ross J. Reedstrom
- * Ryan is Ryan Bradetich
- * Stephan is Stephan Szabo
- * Tatsuo is Tatsuo Ishii
- * Thomas is Thomas Lockhart
- * Tom is Tom Lane
- * TomH is Tom I Helbekkmo
- * Vadim is Vadim B. Mikheev
+* Billy is Billy G. Allie
+* Bruce is Bruce Momjian
+* D'Arcy is D'Arcy J.M. Cain
+* Edmund is Edmund Mergl
+* Hiroshi is Hiroshi Inoue
+* Karel is Karel Zak
+* Jan is Jan Wieck
+* Marc is Marc Fournier
+* Mark is Mark Hollomon
+* Michael is Michael Meskes
+* Peter M is Peter T Mount
+* Peter E is Peter Eisentraut
+* Philip is Philip Warner
+* Ross is Ross J. Reedstrom
+* Ryan is Ryan Bradetich
+* Stephan is Stephan Szabo
+* Tatsuo is Tatsuo Ishii
+* Thomas is Thomas Lockhart
+* Tom is Tom Lane
+* TomH is Tom I Helbekkmo
+* Vadim is Vadim B. Mikheev
projects / postgresql.git / commitdiff