2000-10-16 21:49:28 +02:00
|
|
|
TODO list for PostgreSQL
|
1997-10-17 16:30:26 +02:00
|
|
|
========================
|
2002-02-11 19:14:56 +01:00
|
|
|
Last updated: Mon Feb 11 13:14:25 EST 2002
|
1996-08-19 00:14:33 +02:00
|
|
|
|
1999-11-14 06:11:02 +01:00
|
|
|
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
|
1996-08-19 00:14:33 +02:00
|
|
|
|
1996-10-04 17:15:24 +02:00
|
|
|
The most recent version of this document can be viewed at
|
1999-07-13 05:07:20 +02:00
|
|
|
the PostgreSQL web site, http://www.PostgreSQL.org.
|
1996-10-04 17:15:24 +02:00
|
|
|
|
2002-01-27 05:22:35 +01:00
|
|
|
A dash (-) marks changes that will appear in the upcoming 7.3 release.
|
1998-02-02 02:20:04 +01:00
|
|
|
|
2001-10-08 19:10:11 +02:00
|
|
|
Bracketed items "[]" have more detailed.
|
1999-09-27 05:24:50 +02:00
|
|
|
|
1999-06-07 04:42:07 +02:00
|
|
|
|
1999-07-06 22:41:22 +02:00
|
|
|
URGENT
|
2002-02-03 20:24:30 +01:00
|
|
|
------
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2000-12-27 06:44:57 +01:00
|
|
|
* Add replication of distributed databases [replication]
|
2001-05-10 22:28:48 +02:00
|
|
|
o automatic failover
|
2000-12-27 06:44:57 +01:00
|
|
|
o load balancing
|
|
|
|
o master/slave replication
|
|
|
|
o multi-master replication
|
|
|
|
o partition data across servers
|
|
|
|
o sample implementation in contrib/rserv
|
|
|
|
o queries across databases or servers (two-phase commit)
|
2001-11-08 19:24:55 +01:00
|
|
|
o http://gborg.postgresql.org/project/pgreplication/projdisplay.php
|
2000-12-27 06:44:57 +01:00
|
|
|
* Point-in-time data recovery using backup and write-ahead log
|
1999-06-07 04:42:07 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2002-01-22 22:55:06 +01:00
|
|
|
REPORTING
|
2002-02-03 20:24:30 +01:00
|
|
|
---------
|
2002-01-22 22:55:06 +01:00
|
|
|
|
|
|
|
* Allow elog() to return error codes, module name, file name, line
|
|
|
|
number, not just messages (Peter E)
|
|
|
|
* Add error codes (Peter E)
|
|
|
|
* Change DEBUG startup tag to NOTICE; change NOTICE to output to client
|
|
|
|
only if client exists (Bruce)
|
|
|
|
* Show location of syntax error in query [yacc]
|
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2002-01-22 22:55:06 +01:00
|
|
|
PERMISSIONS
|
2002-02-03 20:24:30 +01:00
|
|
|
-----------
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2001-05-17 02:10:08 +02:00
|
|
|
* Improve control over user privileges, including table creation and
|
2001-05-18 17:18:55 +02:00
|
|
|
lock use [privileges] (Karel, others)
|
2002-01-22 22:55:06 +01:00
|
|
|
* Allow usernames to be specified directly in pg_hba.conf (Bruce)
|
|
|
|
* Add PGPASSWORDFILE environment variable or ~/.pgpass to store
|
|
|
|
user/host/password combinations
|
|
|
|
* Remove PGPASSWORD because is insecure on some OS's
|
|
|
|
* Make single-user local access permissions the default (Peter E)
|
|
|
|
* Use thread-safe crypt() in libpq, if available
|
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2002-01-22 22:55:06 +01:00
|
|
|
ADMIN
|
2002-02-03 20:24:30 +01:00
|
|
|
-----
|
2002-01-22 22:55:06 +01:00
|
|
|
|
|
|
|
* Incremental backups
|
2002-01-03 09:01:17 +01:00
|
|
|
* Make it easier to create a database owned by someone who can't createdb,
|
2002-01-04 19:42:40 +01:00
|
|
|
perhaps CREATE DATABASE dbname WITH OWNER = "user" (Gavin)
|
2002-01-03 19:22:43 +01:00
|
|
|
* Make equals sign optional in CREATE DATABASE WITH param = 'val'
|
2001-06-12 20:15:50 +02:00
|
|
|
* Remove unreferenced table files and temp tables during database vacuum
|
2001-11-23 03:22:04 +01:00
|
|
|
or postmaster startup (Bruce)
|
|
|
|
* Add table name mapping for numeric file names (Bruce)
|
2001-10-12 04:50:48 +02:00
|
|
|
* Remove behavior of postmaster -o after making postmaster/postgres
|
|
|
|
flags unique
|
2002-01-22 22:55:06 +01:00
|
|
|
* Allow logging of query durations
|
2002-02-01 18:00:17 +01:00
|
|
|
* Prevent SIGHUP and 'pg_ctl reload' from changing command line
|
|
|
|
specified parameters to postgresql.conf defaults
|
1999-06-07 04:42:07 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2001-11-23 03:22:04 +01:00
|
|
|
DATA TYPES
|
2002-02-03 20:24:30 +01:00
|
|
|
----------
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2001-06-04 22:12:22 +02:00
|
|
|
* Add domain capability [domain]
|
1999-06-07 04:42:07 +02:00
|
|
|
* Add IPv6 capability to INET/CIDR types
|
1999-07-06 22:41:22 +02:00
|
|
|
* Remove Money type, add money formatting for decimal type
|
2001-07-07 06:23:17 +02:00
|
|
|
* SELECT cash_out(2) crashes because of opaque
|
1999-07-08 05:22:46 +02:00
|
|
|
* Declare typein/out functions in pg_proc with a special "C string" data type
|
2001-04-02 18:27:04 +02:00
|
|
|
* Functions returning sets do not totally work
|
2001-12-29 21:40:42 +01:00
|
|
|
* Change factorial to return a numeric
|
2002-01-22 22:55:06 +01:00
|
|
|
* Add function to return compressed length of TOAST data values (Tom)
|
|
|
|
|
|
|
|
* CONVERSION
|
|
|
|
o Store binary-compatible type information in the system
|
|
|
|
o Allow better handling of numeric constants, type conversion
|
|
|
|
[typeconv]
|
|
|
|
o SELECT col FROM tab WHERE numeric_col = 10.1 fails, requires quotes
|
|
|
|
|
2001-05-17 05:22:53 +02:00
|
|
|
* ARRAYS
|
2001-07-16 07:00:29 +02:00
|
|
|
o Allow nulls in arrays
|
|
|
|
o Allow arrays to be ORDER'ed
|
2001-12-15 18:28:51 +01:00
|
|
|
o Ensure we have array-eq operators for every built-in array type
|
2002-01-22 22:55:06 +01:00
|
|
|
o Support construction of array result values in expressions
|
|
|
|
|
2001-10-24 01:27:18 +02:00
|
|
|
* BINARY DATA
|
2001-09-23 05:39:01 +02:00
|
|
|
o Improve vacuum of large objects, like /contrib/vacuumlo
|
2001-09-06 22:37:14 +02:00
|
|
|
o Add security checking for large objects
|
|
|
|
o Make file in/out interface for TOAST columns, similar to large object
|
|
|
|
interface (force out-of-line storage and no compression)
|
|
|
|
o Auto-delete large objects when referencing row is deleted
|
2001-05-10 19:29:55 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2001-11-23 03:22:04 +01:00
|
|
|
MULTI-LANGUAGE SUPPORT
|
2002-02-03 20:24:30 +01:00
|
|
|
----------------------
|
2001-05-10 19:29:55 +02:00
|
|
|
|
2001-05-17 05:22:53 +02:00
|
|
|
* Add NCHAR (as distinguished from ordinary varchar),
|
2001-05-10 19:29:55 +02:00
|
|
|
* Allow LOCALE on a per-column basis, default to ASCII
|
2000-06-14 04:57:08 +02:00
|
|
|
* Support multiple simultaneous character sets, per SQL92
|
2001-09-10 04:02:37 +02:00
|
|
|
* Allow setting database character set without multibyte enabled
|
2001-10-02 03:20:05 +02:00
|
|
|
* Improve Unicode combined character handling
|
2001-10-04 06:24:24 +02:00
|
|
|
* Optimize locale to have minimal performance impact when not used (Peter E)
|
2001-11-20 16:28:37 +01:00
|
|
|
* Add octet_length_server() and octet_length_client() (Thomas, Tatsuo)
|
2001-11-21 19:49:10 +01:00
|
|
|
* Make octet_length_client the same as octet_length() (?)
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2001-12-06 00:11:30 +01:00
|
|
|
VIEWS / RULES
|
2002-02-03 20:24:30 +01:00
|
|
|
-------------
|
1999-06-07 04:42:07 +02:00
|
|
|
|
2001-06-12 20:15:50 +02:00
|
|
|
* Automatically create rules on views so they are updateable, per SQL92 [view]
|
2001-05-31 16:49:24 +02:00
|
|
|
* Add the functionality for WITH CHECK OPTION clause of CREATE VIEW
|
2001-01-27 06:40:51 +01:00
|
|
|
* Allow NOTIFY in rules involving conditionals
|
2001-10-08 05:23:37 +02:00
|
|
|
* Allow temporary views
|
2001-10-11 22:40:38 +02:00
|
|
|
* Move psql backslash information into views
|
2001-12-06 00:11:30 +01:00
|
|
|
* Allow RULE recompilation
|
|
|
|
* Remove brackets as multi-statement rule grouping, must use parens
|
1999-06-07 04:42:07 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
1999-07-06 22:41:22 +02:00
|
|
|
INDEXES
|
2002-02-03 20:24:30 +01:00
|
|
|
-------
|
1999-06-07 04:42:07 +02:00
|
|
|
|
|
|
|
* Allow CREATE INDEX zman_index ON test (date_trunc( 'day', zman ) datetime_ops)
|
1999-07-06 22:41:22 +02:00
|
|
|
fails index can't store constant parameters
|
2001-09-23 05:39:01 +02:00
|
|
|
* Order duplicate index entries by tid for faster heap lookups
|
2001-06-10 03:25:01 +02:00
|
|
|
* Allow inherited tables to inherit index, UNIQUE constraint, and primary
|
|
|
|
key, foreign key [inheritance]
|
2001-05-21 20:36:58 +02:00
|
|
|
* UNIQUE INDEX on base column not honored on inserts from inherited table
|
|
|
|
INSERT INTO inherit_table (unique_index_col) VALUES (dup) should fail
|
|
|
|
[inheritance]
|
2001-11-23 03:22:04 +01:00
|
|
|
* Allow UPDATE/DELETE on inherited table
|
2002-01-22 22:55:06 +01:00
|
|
|
* Have UPDATE/DELETE clean out indexes
|
2001-11-23 03:22:04 +01:00
|
|
|
* Add UNIQUE capability to non-btree indexes
|
2001-05-10 19:29:55 +02:00
|
|
|
* Add btree index support for reltime, tinterval, regproc
|
|
|
|
* Add rtree index support for line, lseg, path, point
|
2001-11-23 03:22:04 +01:00
|
|
|
* Certain indexes will not shrink, e.g. oid indexes with many inserts
|
2001-10-12 18:13:48 +02:00
|
|
|
* Use indexes for min() and max() or convert to SELECT col FROM tab ORDER
|
2001-10-12 19:23:04 +02:00
|
|
|
BY col DESC LIMIT 1 if appropriate index exists and WHERE clause acceptible
|
2001-11-23 03:22:04 +01:00
|
|
|
* Allow LIKE indexing optimization for non-ASCII locales
|
2001-05-10 22:26:45 +02:00
|
|
|
* Use index to restrict rows returned by multi-key index when used with
|
|
|
|
non-consecutive keys or OR clauses, so fewer heap accesses
|
|
|
|
* Be smarter about insertion of already-ordered data into btree index
|
|
|
|
* Add deleted bit to index tuples to reduce heap access
|
|
|
|
* Prevent index uniqueness checks when UPDATE does not modifying column
|
2001-06-07 22:05:56 +02:00
|
|
|
* Add bitmap indexes [performance]
|
2001-07-04 16:59:07 +02:00
|
|
|
* Improve handling of index scans for NULL
|
2001-11-23 03:22:04 +01:00
|
|
|
* Allow SELECT * FROM tab WHERE int2col = 4 to use int2col index, int8,
|
|
|
|
float4, numeric/decimal too [optimizer]
|
2001-10-03 20:36:03 +02:00
|
|
|
* Improve concurrency in GIST
|
2001-11-23 03:22:04 +01:00
|
|
|
* Add FILLFACTOR to index creation
|
2001-05-11 00:36:52 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
1999-07-06 22:41:22 +02:00
|
|
|
COMMANDS
|
2002-02-03 20:24:30 +01:00
|
|
|
--------
|
1999-06-07 04:42:07 +02:00
|
|
|
|
2001-05-17 05:22:53 +02:00
|
|
|
* Add SIMILAR TO to allow character classes, 'pg_[a-c]%'
|
2001-11-23 03:22:04 +01:00
|
|
|
* Add BETWEEN ASYMMETRIC/SYMMETRIC
|
2001-10-23 04:52:19 +02:00
|
|
|
* Remove LIMIT #,# and force use LIMIT and OFFSET clauses in 7.3 (Bruce)
|
2001-07-20 16:23:33 +02:00
|
|
|
* Allow LIMIT/OFFSET to use expressions
|
2001-09-06 22:11:07 +02:00
|
|
|
* Disallow TRUNCATE on tables that are involved in referential constraints
|
2001-10-24 01:27:18 +02:00
|
|
|
* Add OR REPLACE clauses to non-FUNCTION object creation
|
2001-12-05 22:06:40 +01:00
|
|
|
* CREATE TABLE AS can not determine column lengths from expressions [atttypmod]
|
|
|
|
* Allow UPDATE to handle complex aggregates [update]
|
2002-01-03 19:13:14 +01:00
|
|
|
* Prevent create/drop scripts from allowing extra args (Bruce)
|
2002-01-22 22:55:06 +01:00
|
|
|
* Allow command blocks to ignore certain types of errors
|
|
|
|
|
2001-05-10 22:26:45 +02:00
|
|
|
* ALTER
|
2001-07-16 07:00:29 +02:00
|
|
|
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
|
2001-05-10 22:26:45 +02:00
|
|
|
[inheritance]
|
2001-11-23 03:22:04 +01:00
|
|
|
o Add ALTER TABLE DROP COLUMN feature [drop] (Bruce)
|
2001-07-16 07:00:29 +02:00
|
|
|
o Add ALTER FUNCTION
|
|
|
|
o Add ALTER TABLE DROP non-CHECK CONSTRAINT
|
|
|
|
o ALTER TABLE ADD PRIMARY KEY (Christopher Kings-Lynne)
|
|
|
|
o ALTER TABLE ADD UNIQUE (Christopher Kings-Lynne)
|
2001-11-23 03:22:04 +01:00
|
|
|
o ALTER TABLE ADD COLUMN column SERIAL doesn't create sequence
|
2001-11-28 06:44:51 +01:00
|
|
|
o ALTER TABLE ADD COLUMN column SET DEFAULT should fill existing
|
2001-11-29 16:39:11 +01:00
|
|
|
rows with DEFAULT value
|
2001-12-28 06:09:13 +01:00
|
|
|
o Have ALTER TABLE OWNER change all dependant objects like indexes
|
2002-01-22 22:55:06 +01:00
|
|
|
|
2001-01-11 22:07:07 +01:00
|
|
|
* CLUSTER
|
2001-07-16 07:00:29 +02:00
|
|
|
o cluster all tables at once
|
2002-02-11 19:14:56 +01:00
|
|
|
o prevent loss of indexes, permissions, inheritance (Bruce)
|
2002-01-22 22:55:06 +01:00
|
|
|
o Automatically maintain clustering on a table
|
|
|
|
|
2001-05-10 22:26:45 +02:00
|
|
|
* COPY
|
2001-07-16 07:00:29 +02:00
|
|
|
o Allow specification of column names
|
|
|
|
o Allow dump/load of CSV format
|
2001-12-28 20:44:20 +01:00
|
|
|
o Change syntax to WITH DELIMITER, (keep old syntax around?)
|
2002-01-03 19:25:43 +01:00
|
|
|
o Allow COPY to report error lines and continue; optionally
|
2002-01-24 23:19:48 +01:00
|
|
|
allow error codes to be specified; requires savepoints or can
|
2002-01-24 23:20:18 +01:00
|
|
|
not be run in a multi-statement transaction
|
2002-01-22 22:55:06 +01:00
|
|
|
|
2001-05-10 22:26:45 +02:00
|
|
|
* CURSOR
|
2002-01-22 22:55:06 +01:00
|
|
|
o Allow BINARY option to SELECT, just like DECLARE
|
2001-07-16 07:00:29 +02:00
|
|
|
o MOVE 0 should not move to end of cursor
|
|
|
|
o Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
|
2002-01-25 03:33:39 +01:00
|
|
|
o Allow UPDATE/DELETE WHERE CURRENT OF cursor using per-cursor tid
|
2002-01-25 03:32:59 +01:00
|
|
|
stored in the backend
|
2001-11-29 06:53:46 +01:00
|
|
|
o Prevent DROP of table being referenced by our own open cursor
|
2002-01-22 22:55:06 +01:00
|
|
|
|
2001-05-10 22:26:45 +02:00
|
|
|
* INSERT
|
2001-07-16 07:00:29 +02:00
|
|
|
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
|
2001-11-23 03:22:04 +01:00
|
|
|
o Allow INSERT/UPDATE ... RETURNING new.col or old.col; handle
|
2001-09-06 02:23:42 +02:00
|
|
|
RULE cases (Philip)
|
2002-01-22 22:55:06 +01:00
|
|
|
|
2001-05-10 22:26:45 +02:00
|
|
|
* SHOW/SET
|
2001-07-16 07:00:29 +02:00
|
|
|
o Add SHOW command to display locks
|
|
|
|
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
|
2001-05-10 22:26:45 +02:00
|
|
|
ANALYZE, and CLUSTER
|
2001-07-16 07:00:29 +02:00
|
|
|
o Add SHOW command to see locale
|
2002-01-22 22:55:06 +01:00
|
|
|
|
2001-11-23 03:22:04 +01:00
|
|
|
* SERVER-SIDE LANGUAGES
|
2001-11-23 02:48:38 +01:00
|
|
|
o Allow PL/PgSQL's RAISE function to take expressions
|
2001-11-23 03:22:04 +01:00
|
|
|
o Fix PL/PgSQL to handle quoted mixed-case identifiers
|
2001-11-23 02:48:38 +01:00
|
|
|
o Change PL/PgSQL to use palloc() instead of malloc()
|
|
|
|
o Add untrusted version of plpython
|
|
|
|
o Add plsh server-side shell language (Peter E)
|
2001-11-23 03:22:04 +01:00
|
|
|
o Allow Java server-side programming (?) [java]
|
2000-10-12 19:32:40 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
1999-07-06 22:41:22 +02:00
|
|
|
CLIENTS
|
2002-02-03 20:24:30 +01:00
|
|
|
-------
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2001-07-20 16:31:28 +02:00
|
|
|
* Have pg_dump use LEFT OUTER JOIN in multi-table SELECTs
|
2001-01-28 06:05:11 +01:00
|
|
|
or multiple SELECTS to avoid bad system catalog entries
|
2001-10-11 18:35:50 +02:00
|
|
|
* Have pg_dump -C dump database location and encoding information
|
2001-07-20 16:31:28 +02:00
|
|
|
* Allow psql \d to show foreign keys
|
|
|
|
* Allow psql \d to show temporary table structure
|
|
|
|
* Add XML interface: psql, pg_dump, COPY, separate server (?)
|
2002-01-03 18:29:31 +01:00
|
|
|
* Add config file check for $ODBCINI, $HOME/.odbc.ini, installpath/etc/odbc.ini
|
2002-01-22 22:55:06 +01:00
|
|
|
|
2001-06-26 06:04:49 +02:00
|
|
|
* JDBC
|
2001-07-16 07:00:29 +02:00
|
|
|
o Comprehensive test suite. This may be available already.
|
|
|
|
o Updateable resultSet (must be done in backend code)
|
|
|
|
o JDBC-standard BLOB support
|
|
|
|
o Error Codes (pending backend implementation)
|
2002-01-03 06:48:48 +01:00
|
|
|
o Support both 'make' and 'ant'
|
2001-11-26 07:08:03 +01:00
|
|
|
o Fix LargeObject API to handle OIDs as unsigned ints
|
|
|
|
o Implement cancel() method on Statement
|
|
|
|
o Use cursors implicitly to avoid large results (see setCursorName())
|
2001-11-29 19:15:33 +01:00
|
|
|
o Add support for CallableStatements
|
2002-01-22 22:55:06 +01:00
|
|
|
|
2001-10-31 02:56:55 +01:00
|
|
|
* ECPG
|
2001-11-01 21:06:59 +01:00
|
|
|
o Implement set descriptor, using descriptor
|
|
|
|
o Make casts work in variable initializations
|
|
|
|
o Implement SQLDA
|
2001-10-31 16:11:08 +01:00
|
|
|
o Solve cardinality > 1 for input descriptors / variables
|
2001-11-01 21:06:59 +01:00
|
|
|
o Understand structure definitions outside a declare section
|
|
|
|
o sqlwarn[6] should be 'W' if the PRECISION or SCALE value specified
|
|
|
|
o Improve error handling
|
|
|
|
o Allow :var[:index] or :var[<integer>] as cvariable for an array var
|
|
|
|
o Add a semantic check level, e.g. check if a table really exists
|
|
|
|
o Fix nested C comments
|
|
|
|
o Add SQLSTATE
|
2002-01-22 22:55:06 +01:00
|
|
|
o fix handling of DB attributes that are arrays
|
1999-06-07 04:42:07 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2000-04-28 21:15:49 +02:00
|
|
|
REFERENTIAL INTEGRITY
|
2002-02-03 20:24:30 +01:00
|
|
|
---------------------
|
2000-04-28 21:15:49 +02:00
|
|
|
|
2001-11-27 20:35:38 +01:00
|
|
|
* Add MATCH PARTIAL referential integrity [foreign]
|
2000-06-11 00:12:18 +02:00
|
|
|
* Add deferred trigger queue file (Jan)
|
2000-07-07 05:24:09 +02:00
|
|
|
* Allow oid to act as a foreign key
|
2000-12-11 02:44:37 +01:00
|
|
|
* Implement dirty reads and use them in RI triggers
|
2001-11-13 02:14:57 +01:00
|
|
|
* Make triggers refer to columns by number, not name
|
2001-01-12 06:23:10 +01:00
|
|
|
* Enforce referential integrity for system tables
|
2001-09-07 20:50:07 +02:00
|
|
|
* Allow user to control trigger firing order
|
2001-05-10 19:29:55 +02:00
|
|
|
* Change foreign key constraint for array -> element to mean element
|
2001-09-23 06:08:38 +02:00
|
|
|
in array
|
2001-11-23 03:22:04 +01:00
|
|
|
* Fix foreign key constraints to not error on intermediate db states (Stephan)
|
2001-07-16 07:00:29 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2001-07-16 16:34:26 +02:00
|
|
|
DEPENDENCY CHECKING
|
2002-02-03 20:24:30 +01:00
|
|
|
-------------------
|
2001-07-16 07:00:29 +02:00
|
|
|
|
2001-07-18 17:37:34 +02:00
|
|
|
* Add pg_depend table for dependency recording; use sysrelid, oid,
|
|
|
|
depend_sysrelid, depend_oid, name
|
2001-07-16 07:01:46 +02:00
|
|
|
* Auto-destroy sequence on DROP of table with SERIAL; perhaps a separate
|
2001-07-16 07:00:29 +02:00
|
|
|
SERIAL type
|
2001-11-22 02:34:12 +01:00
|
|
|
* Have SERIAL generate non-colliding sequence names when we have
|
|
|
|
auto-destruction
|
2001-07-16 07:00:29 +02:00
|
|
|
* Prevent column dropping if column is used by foreign key
|
|
|
|
* Propagate column or table renaming to foreign key constraints
|
2001-05-10 22:26:45 +02:00
|
|
|
* Automatically drop constraints/functions when object is dropped
|
2001-07-16 07:00:29 +02:00
|
|
|
* Make constraints clearer in dump file
|
|
|
|
* Make foreign keys easier to identify
|
2002-02-04 21:46:36 +01:00
|
|
|
* Flush cached query plans when their underlying catalog data changes
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2001-05-10 22:26:45 +02:00
|
|
|
TRANSACTIONS
|
2002-02-03 20:24:30 +01:00
|
|
|
------------
|
2001-05-10 22:26:45 +02:00
|
|
|
|
|
|
|
* Allow autocommit so always in a transaction block
|
|
|
|
* Overhaul bufmgr/lockmgr/transaction manager
|
2002-01-03 22:15:04 +01:00
|
|
|
* Allow savepoints / nested transactions [transactions]
|
2000-04-28 21:15:49 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
1999-07-09 05:28:53 +02:00
|
|
|
EXOTIC FEATURES
|
2002-02-03 20:24:30 +01:00
|
|
|
---------------
|
1999-07-09 05:28:53 +02:00
|
|
|
|
|
|
|
* Add sql3 recursive unions
|
2000-06-09 19:31:25 +02:00
|
|
|
* Add the concept of dataspaces/tablespaces [tablespaces]
|
2001-06-04 22:27:52 +02:00
|
|
|
* Allow SQL92 schemas [schema]
|
2001-12-29 18:56:46 +01:00
|
|
|
* Allow queries across multiple databases [crossdb]
|
2001-05-10 22:26:45 +02:00
|
|
|
* Add pre-parsing phase that converts non-ANSI features to supported features
|
2001-07-20 18:14:55 +02:00
|
|
|
* Allow plug-in modules to emulate features from other databases
|
2001-05-17 02:10:08 +02:00
|
|
|
* SQL*Net listener that makes PostgreSQL appear as an Oracle database
|
2000-09-30 04:20:53 +02:00
|
|
|
to clients
|
1999-07-09 05:28:53 +02:00
|
|
|
|
2001-07-09 23:32:06 +02:00
|
|
|
|
1996-10-04 17:15:24 +02:00
|
|
|
PERFORMANCE
|
2002-02-03 20:24:30 +01:00
|
|
|
===========
|
|
|
|
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2001-05-10 22:26:45 +02:00
|
|
|
FSYNC
|
2002-02-03 20:24:30 +01:00
|
|
|
-----
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2001-02-28 19:07:15 +01:00
|
|
|
* Delay fsync() when other backends are about to commit too [fsync]
|
2001-07-16 07:00:29 +02:00
|
|
|
o Determine optimal commit_delay value
|
2001-03-20 21:31:07 +01:00
|
|
|
* Determine optimal fdatasync/fsync, O_SYNC/O_DSYNC options
|
2001-07-16 07:00:29 +02:00
|
|
|
o Allow multiple blocks to be written to WAL with one write()
|
1999-06-07 04:42:07 +02:00
|
|
|
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
CACHE
|
|
|
|
-----
|
2000-06-14 19:01:35 +02:00
|
|
|
* Cache most recent query plan(s) (Karel) [prepare]
|
1997-10-17 16:30:26 +02:00
|
|
|
* Shared catalog cache, reduce lseek()'s by caching table size in shared area
|
2001-11-23 03:22:04 +01:00
|
|
|
* Add free-behind capability for large sequential scans (Bruce)
|
2001-12-28 06:26:25 +01:00
|
|
|
* Allow binding query args over FE/BE protocol
|
2002-01-05 05:03:47 +01:00
|
|
|
* Consider use of open/fcntl(O_DIRECT) to minimize OS caching
|
2002-01-04 22:32:28 +01:00
|
|
|
* Make blind writes go through the file descriptor cache
|
1999-06-07 04:42:07 +02:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2001-02-28 19:07:15 +01:00
|
|
|
VACUUM
|
2002-02-03 20:24:30 +01:00
|
|
|
------
|
2001-02-28 19:07:15 +01:00
|
|
|
|
|
|
|
* Improve speed with indexes (perhaps recreate index instead) [vacuum]
|
|
|
|
* Reduce lock time by moving tuples with read lock, then write
|
|
|
|
lock and truncate table [vacuum]
|
2001-11-26 22:03:15 +01:00
|
|
|
* Add LAZY VACUUM (Vadim) [performance]
|
2002-02-04 21:51:22 +01:00
|
|
|
* Provide automatic scheduling of background vacuum (Tom)
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2002-01-22 21:50:35 +01:00
|
|
|
LOCKING
|
2002-02-03 20:24:30 +01:00
|
|
|
-------
|
2002-01-22 21:50:35 +01:00
|
|
|
|
|
|
|
* Make locking of shared data structures more fine-grained
|
|
|
|
* Add code to detect an SMP machine and handle spinlocks accordingly
|
2002-01-22 23:22:34 +01:00
|
|
|
from distributted.net, http://www1.distributed.net/source,
|
|
|
|
in client/common/cpucheck.cpp
|
2002-01-22 21:50:35 +01:00
|
|
|
* Research use of sched_yield() for spinlock acquisition failure
|
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2002-01-22 21:50:35 +01:00
|
|
|
STARTUP TIME
|
2002-02-03 20:24:30 +01:00
|
|
|
------------
|
1999-07-06 22:41:22 +02:00
|
|
|
|
2001-05-10 22:26:45 +02:00
|
|
|
* Experiment with multi-threaded backend [thread]
|
2000-10-11 20:09:38 +02:00
|
|
|
* Add connection pooling [pool]
|
2000-11-27 22:16:10 +01:00
|
|
|
* Allow persistent backends [persistent]
|
Update TODO list.
Index: TODO
===================================================================
RCS file: /home/projects/pgsql/cvsroot/pgsql/doc/TODO,v
retrieving revision 1.311
diff -r1.311 TODO
3c3
< Last updated: Tue Jan 2 21:23:11 EST 2001
---
> Last updated: Wed Jan 3 01:56:41 EST 2001
10c10
< A dash(-) marks changes that will appear in the upcoming 7.1 release.
---
> A dash (-) marks changes that will appear in the upcoming 7.1 release.
23c23
< * -Creating index of TIMESTAMP & RELTIME fails, or rename to DATETIME(Thomas)
---
> * -Creating index of TIMESTAMP & RELTIME fails, or rename to DATETIME (Thomas)
35c35
< * -Views containing aggregates sometimes fail(Jan)
---
> * -Views containing aggregates sometimes fail (Jan)
37,38c37,38
< duplicates(inherit)
< * -Disallow LOCK on view(Mark Hollomon)
---
> duplicates (inherit)
> * -Disallow LOCK on view (Mark Hollomon)
58,60c58,60
< * -Add OUTER joins, left and right[outer](Tom, Thomas)
< * -Allow long tuples by chaining or auto-storing outside db (TOAST)(Jan)
< * Fix memory leak for expressions[memory](Tom?)
---
> * -Add OUTER joins, left and right[outer] (Tom, Thomas)
> * -Allow long tuples by chaining or auto-storing outside db (TOAST) (Jan)
> * Fix memory leak for expressions[memory] (Tom?)
70c70
< * Allow row re-use without vacuum(Vadim)
---
> * Allow row re-use without vacuum (Vadim)
74c74
< * More access control over who can create tables and use locks(Karel)
---
> * More access control over who can create tables and use locks (Karel)
92c92
< o -Fix large object mapping scheme, own typeid or reltype(Peter)
---
> o -Fix large object mapping scheme, own typeid or reltype (Peter)
97c97
< * Fix improper masking of some inet/cidr types [cidr]
---
> * -Fix improper masking of some inet/cidr types [cidr]
113c113
< * Get BIT type working
---
> * -Get BIT type working
119c119
< * Update macaddr manufacturer numbers, or remove the function macaddr_manuf()
---
> * -Update macaddr manufacturer numbers, or remove the function macaddr_manuf()
147c147
< * -Add ALTER TABLE ALTER COLUMN feature(Peter E)
---
> * -Add ALTER TABLE ALTER COLUMN feature (Peter E)
157c157
< * Auto-destroy sequence on DROP of table with SERIAL(Ryan)
---
> * Auto-destroy sequence on DROP of table with SERIAL (Ryan)
166a167
> * Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
172d172
< * Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
176c176
< * Make NULL's come out at the beginning or end depending on the
---
> * Make NULL's come out at the beginning or end depending on the
220c220
< * Certain indexes will not shrink, i.e. oid indexes with many inserts(Vadim)
---
> * Certain indexes will not shrink, i.e. oid indexes with many inserts (Vadim)
226c226
< with after-row images(Vadim) [logging](Vadim)
---
> with after-row images (Vadim) [logging]
232c232
< * -Redesign the function call interface to handle NULLs better[function](Tom)
---
> * -Redesign the function call interface to handle NULLs better[function] (Tom)
239c239
< * Encrpyt passwords in pg_shadow table using MD5(Vince)
---
> * Encrpyt passwords in pg_shadow table using MD5 (Vince)
298a299,300
> * Create a transaction processor to aid in persistent connections and
> connection pooling
307c309
< * Remove SET KSQO option now that OR processing is improved(Tom)
---
> * Remove SET KSQO option now that OR processing is improved (Tom)
2001-01-03 07:56:52 +01:00
|
|
|
* Create a transaction processor to aid in persistent connections and
|
|
|
|
connection pooling
|
2002-01-22 21:50:35 +01:00
|
|
|
* Do listen() in postmaster and accept() in pre-forked backend
|
|
|
|
* Have pre-forked backend pre-connect to last requested database or pass
|
|
|
|
file descriptor to backend pre-forked for matching database
|
2002-02-03 20:24:30 +01:00
|
|
|
* Cache system catalog information in per-database files (Tom)
|
|
|
|
|
2002-01-22 21:50:35 +01:00
|
|
|
|
|
|
|
WRITE-AHEAD LOG
|
2002-02-03 20:24:30 +01:00
|
|
|
---------------
|
2002-01-22 21:50:35 +01:00
|
|
|
|
2001-12-21 04:55:45 +01:00
|
|
|
* Have after-change WAL write()'s write only modified data to kernel
|
|
|
|
* Reduce number of after-change WAL writes; they exist only to gaurd against
|
2001-12-20 23:01:29 +01:00
|
|
|
partial page writes
|
2001-12-21 04:55:45 +01:00
|
|
|
* Turn off after-change writes if fsync is disabled (?)
|
2002-01-22 22:55:06 +01:00
|
|
|
* Add WAL index reliability improvement to non-btree indexes
|
2002-01-23 17:14:04 +01:00
|
|
|
* Reorder postgresql.conf WAL items in order of importance
|
|
|
|
* Remove wal_files postgresql.conf option because WAL files are now recycled
|
|
|
|
* Find proper defaults for postgresql.conf WAL entries
|
|
|
|
* Add checkpoint_min_warning postgresql.conf option to warn about checkpoints
|
|
|
|
that are too frequent
|
2002-01-22 21:50:35 +01:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
|
|
|
OPTIMIZER / EXECUTOR
|
|
|
|
--------------------
|
2002-01-22 21:50:35 +01:00
|
|
|
|
|
|
|
* Improve Subplan list handling
|
|
|
|
* Allow Subplans to use efficient joins(hash, merge) with upper variable
|
|
|
|
* Improve dynamic memory allocation by introducing tuple-context memory
|
|
|
|
allocation (Tom)
|
|
|
|
* Add hash for evaluating GROUP BY aggregates
|
2001-11-18 22:17:04 +01:00
|
|
|
* Nested FULL OUTER JOINs don't work (Tom)
|
|
|
|
* Allow merge and hash joins on expressions not just simple variables (Tom)
|
2001-12-27 00:47:32 +01:00
|
|
|
* Add new pg_proc cachable settings to specify whether function can be
|
|
|
|
evaluated only once or once per query
|
2001-12-29 05:55:45 +01:00
|
|
|
* Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
|
2002-01-20 05:56:14 +01:00
|
|
|
* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
|
2002-01-22 22:55:06 +01:00
|
|
|
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
|
2002-01-27 05:20:38 +01:00
|
|
|
* Allow ORDER BY ... LIMIT to select top values without sort or index
|
2002-01-22 21:50:35 +01:00
|
|
|
|
2002-02-03 20:24:30 +01:00
|
|
|
|
2002-01-22 21:50:35 +01:00
|
|
|
MISCELLANEOUS
|
2002-02-03 20:24:30 +01:00
|
|
|
-------------
|
2002-01-22 21:50:35 +01:00
|
|
|
|
|
|
|
* Do async I/O for faster random read-ahead of data
|
|
|
|
* Get faster regex() code from Henry Spencer <henry@zoo.utoronto.ca>
|
|
|
|
when it is available
|
|
|
|
* Use mmap() rather than SYSV shared memory or to write WAL files (?) [mmap]
|
|
|
|
|
2000-04-28 16:44:47 +02:00
|
|
|
|
1999-07-06 22:41:22 +02:00
|
|
|
SOURCE CODE
|
2002-02-03 20:24:30 +01:00
|
|
|
===========
|
|
|
|
|
1999-11-10 02:22:37 +01:00
|
|
|
* Add use of 'const' for variables in source tree
|
2001-01-24 14:38:42 +01:00
|
|
|
* Fix problems with libpq non-blocking/async code [async]
|
2001-01-28 16:41:58 +01:00
|
|
|
* Make sure all block numbers are unsigned to increase maximum table size
|
2001-07-16 07:00:29 +02:00
|
|
|
* Use BlockNumber rather than int where appropriate
|
2001-02-23 20:21:53 +01:00
|
|
|
* Merge LockMethodCtl and LockMethodTable into one shared structure (Bruce)
|
2001-09-30 02:46:15 +02:00
|
|
|
* HOLDER/HOLDERTAB rename to PROCLOCK/PROCLOCKTAG (Bruce)
|
2001-09-30 02:49:15 +02:00
|
|
|
* Remove LockMethodTable.prio field, not used (Bruce)
|
2001-03-02 17:10:48 +01:00
|
|
|
* Add version file format stamp to heap and other table types
|
2001-03-20 23:04:59 +01:00
|
|
|
* Rename some /contrib modules from pg* to pg_*
|
2001-11-23 03:22:04 +01:00
|
|
|
* Move some things from /contrib into main tree
|
2001-03-25 23:41:52 +02:00
|
|
|
* Remove warnings created by -Wcast-align
|
2001-03-29 02:12:57 +02:00
|
|
|
* Move platform-specific ps status display info from ps_status.c to ports
|
2001-04-15 03:56:08 +02:00
|
|
|
* Allow ps status display to work on Solaris/SVr4-based systems
|
2001-10-25 21:43:53 +02:00
|
|
|
* Make one version of simple_prompt() in code (Bruce, Tom)
|
2001-11-21 19:49:50 +01:00
|
|
|
* Compile in syslog functionaility by default (?)
|
2001-11-15 04:11:32 +01:00
|
|
|
* Modify regression tests to prevent failures do to minor numeric rounding
|
2001-11-19 21:02:25 +01:00
|
|
|
* Remove USING clause from pg_get_indexdef() if index is btree (Bruce)
|
2001-11-26 20:33:33 +01:00
|
|
|
* Use our own getopt() for FreeBSD/OpenBSD to allow --xxx flags (Bruce)
|
2001-12-28 05:32:44 +01:00
|
|
|
* Add OpenBSD's getpeereid() call for local socket authentication (Bruce)
|
2001-12-28 19:31:14 +01:00
|
|
|
* Improve access-permissions check on data directory in Cygwin (Tom)
|
2001-12-28 20:47:50 +01:00
|
|
|
* Report failure to find readline or zlib at end of configure run
|
2001-12-29 06:22:37 +01:00
|
|
|
* Add --port flag to regression tests
|
2002-01-25 02:04:47 +01:00
|
|
|
* Increase identifier length (NAMEDATALEN) if small performance hit,
|
|
|
|
perhaps to standard length of 128; change struct pgNotify to use pid
|
|
|
|
first, breaks notify API;
|
2002-01-22 22:55:06 +01:00
|
|
|
* Increase maximum number of function parameters if little wasted space
|
|
|
|
* Add documentation for perl, including mention of DBI/DBD perl location
|
|
|
|
* Add optional CRC checksum to heap and index pages
|
|
|
|
* Change representation of whole-tuple parameters to functions
|
2002-01-25 00:35:40 +01:00
|
|
|
* Evaluate AIX cs() spinlock macro for performance optimizations (Tatsuo)
|
1999-12-14 01:17:33 +01:00
|
|
|
|
1999-07-06 22:41:22 +02:00
|
|
|
---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
|
|
Developers who have claimed items are:
|
|
|
|
--------------------------------------
|
2001-07-16 07:00:29 +02:00
|
|
|
* Billy is Billy G. Allie <Bill.Allie@mug.org>
|
|
|
|
* Bruce is Bruce Momjian<pgman@candle.pha.pa.us>
|
|
|
|
* D'Arcy is D'Arcy J.M. Cain <darcy@druid.net>
|
|
|
|
* Edmund is Edmund Mergl <E.Mergl@bawue.de>
|
|
|
|
* Hiroshi is Hiroshi Inoue <Inoue@tpf.co.jp>
|
|
|
|
* Karel is Karel Zak <zakkr@zf.jcu.cz>
|
|
|
|
* Jan is Jan Wieck <wieck@sapserv.debis.de>
|
2001-09-23 06:15:13 +02:00
|
|
|
* Liam is Liam Stewart <liams@redhat.com>
|
2001-07-16 07:00:29 +02:00
|
|
|
* Marc is Marc Fournier <scrappy@hub.org>
|
|
|
|
* Mark is Mark Hollomon <mhh@mindspring.com>
|
2001-09-23 06:13:29 +02:00
|
|
|
* Marko is Marko Kreen <marko@l-t.ee>
|
2001-07-16 07:00:29 +02:00
|
|
|
* Michael is Michael Meskes <meskes@postgresql.org>
|
|
|
|
* Oleg is Oleg Bartunov <oleg@sai.msu.su>
|
|
|
|
* Peter M is Peter T Mount <peter@retep.org.uk>
|
|
|
|
* Peter E is Peter Eisentraut<peter_e@gmx.net>
|
|
|
|
* Philip is Philip Warner <pjw@rhyme.com.au>
|
|
|
|
* Ross is Ross J. Reedstrom <reedstrm@wallace.ece.rice.edu>
|
|
|
|
* Ryan is Ryan Bradetich <rbrad@hpb50023.boi.hp.com>
|
|
|
|
* Stephan is Stephan Szabo <sszabo@megazone23.bigpanda.com>
|
|
|
|
* Tatsuo is Tatsuo Ishii <t-ishii@sra.co.jp>
|
2002-01-08 21:04:31 +01:00
|
|
|
* Thomas is Thomas Lockhart <lockhart@fourpalms.org>
|
2001-07-16 07:00:29 +02:00
|
|
|
* Tom is Tom Lane <tgl@sss.pgh.pa.us>
|
2001-09-04 18:27:18 +02:00
|
|
|
* TomH is Tom I Helbekkmo <tih@Hamartun.Priv.no>
|
2001-07-16 07:00:29 +02:00
|
|
|
* Vadim is Vadim B. Mikheev <vadim4o@email.com>
|