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REL7_2_STABLE
Bruce Momjian 25 years ago
parent c8076f09d2
commit a9bf773017
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@ -1,6 +1,6 @@
TODO list for PostgreSQL
========================
Last updated: Sun Jul 15 10:33:56 EDT 2001
Last updated: Mon Jul 16 01:00:21 EDT 2001
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -35,9 +35,6 @@ URGENT
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
@ -62,6 +59,7 @@ TYPES
* 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
@ -70,15 +68,14 @@ TYPES
* -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
@ -101,7 +98,7 @@ INDEXES
* 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
@ -109,7 +106,7 @@ INDEXES
[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
@ -140,8 +137,6 @@ SYSTEM TABLES
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
@ -151,45 +146,45 @@ COMMANDS
* -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
@ -202,30 +197,36 @@ 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
@ -261,9 +262,9 @@ PERFORMANCE
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
@ -300,7 +301,7 @@ MISCELLANEOUS
* 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
@ -313,8 +314,9 @@ 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_*
@ -325,7 +327,6 @@ SOURCE CODE
* 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
---------------------------------------------------------------------------

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