TODO list for PostgreSQL
========================
-Last updated: Mon Sep 2 02:44:01 EDT 2002
+Last updated: Mon Sep 2 11:30:39 EDT 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
* -Change DEBUG startup tag to LOG (Bruce)
* Show location of syntax error in query [yacc]
* -Add getpid() function to backend
-* Allow logging of query durations
+* -Allow logging of query durations
Permissions
* -Allow user/group names to be specified directly in pg_hba.conf (Bruce)
* -Add PGPASSWORDFILE environment variable or ~/.pgpass to store
user/host/password combinations
-* Make single-user local access permissions the default by limiting
- permissions on the socket file (Peter E)
* -Allow permissions for functions (Peter E)
* -Allow object creation to be disabled for specific users
specified parameters to postgresql.conf defaults (Peter E)
* Allow easy display of usernames in a group
* Allow configuration files to be specified in a different directory
-* Reserve last few process slots for super-user if max_connections reached
-* Add GUC parameter to print queries that generate errors
+* -Reserve last few process slots for super-user if max_connections reached
+* -Add GUC parameter to print queries that generate errors
Data Types
==========
* Add IPv6 capability to INET/CIDR types
* Remove Money type, add money formatting for decimal type
* -SELECT cash_out(2) crashes because of opaque
-* Declare typein/out functions in pg_proc with a special "C string" data type
-* Functions returning sets do not totally work
+* -Declare typein/out functions in pg_proc with a special "C string" data type
+* -Functions returning sets do not totally work
* Change factorial to return a numeric
* Change NUMERIC data type to use base 10,000 internally
* Change NUMERIC to enforce the maximum precision, and increase it
* Add function to return compressed length of TOAST data values (Tom)
* -Add GUC parameter for DATESTYLE
* Allow INET subnet tests using non-constants
-* Allow bytea to handle LIKE with non-TEXT patterns
+* -Allow bytea to handle LIKE with non-TEXT patterns
* CONVERSION
- o Store binary-compatible type information in the system
+ 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
* ARRAYS
o Allow nulls in arrays
o Allow arrays to be ORDER'ed
- o Ensure we have array-eq operators for every built-in array type
+ o -Ensure we have array-eq operators for every built-in array type
o Support construction of array result values in expressions
* BINARY DATA
* Add NCHAR (as distinguished from ordinary varchar),
* Allow LOCALE on a per-column basis, default to ASCII
* Support multiple simultaneous character sets, per SQL92
-* Allow setting database character set without multibyte enabled
* Improve Unicode combined character handling
* Optimize locale to have minimal performance impact when not used (Peter E)
* Add octet_length_server() and octet_length_client() (Thomas, Tatsuo)
INSERT INTO inherit_table (unique_index_col) VALUES (dup) should fail
[inheritance]
* -Allow UPDATE/DELETE on inherited table
-* Have UPDATE/DELETE clean out indexes
* Add UNIQUE capability to non-btree indexes
* Add btree index support for reltime, tinterval, regproc
* Add rtree index support for line, lseg, path, point
* ALTER
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]
o -Add ALTER TABLE DROP COLUMN feature
- o Add ALTER FUNCTION
o -Add ALTER TABLE DROP non-CHECK CONSTRAINT
- o -ALTER TABLE ADD PRIMARY KEY (Tom)
- o -ALTER TABLE ADD UNIQUE (Tom)
+ o -ALTER TABLE ADD PRIMARY KEY (Christopher)
+ o -ALTER TABLE ADD UNIQUE (Christopher)
o -ALTER TABLE ALTER COLUMN SET/DROP NOT NULL (Christopher Kings-Lynne)
o ALTER TABLE ADD COLUMN column SERIAL doesn't create sequence
o ALTER TABLE ADD COLUMN column DEFAULT should fill existing
o -Add 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 -Remove SET KSQO option now that OR processing is improved (Bruce)
o Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
ANALYZE, and CLUSTER
o Add SHOW command to see locale
Clients
=======
-* Have pg_dump use LEFT OUTER JOIN in multi-table SELECTs
+* -Have pg_dump use LEFT OUTER JOIN in multi-table SELECTs
or multiple SELECTS to avoid bad system catalog entries
* -Have pg_dump -C dump database location and encoding information
* -Allow psql \d to show foreign keys
* -Allow psql \d to show temporary table structure (Tom)
* Allow psql to show transaction status if backend protocol changes made
* Add XML interface: psql, pg_dump, COPY, separate server (?)
-* Add config file check for $ODBCINI, $HOME/.odbc.ini, installpath/etc/odbc.ini
* -Have pg_dump use ADD PRIMARY KEY after COPY, for performance (Neil Conway)
* JDBC
o Add SQLSTATE
o fix handling of DB attributes that are arrays
-* ODBC
- o ODBC 3.0 support
- o Unicode(UCS-2) support
- o Updatable cursors support
-
Referential Integrity
=====================
* -Add ALTER TRIGGER ... RENAME
* Change foreign key constraint for array -> element to mean element
in array
-* Fix foreign key constraints to not error on intermediate db states (Stephan)
+* -Fix foreign key constraints to not error on intermediate db states (Stephan)
* Allow DEFERRABLE UNIQUE constraints
* Allow triggers to be disabled [trigger]
* Have SERIAL generate non-colliding sequence names when we have
auto-destruction
* -Prevent column dropping if column is used by foreign key
-* Propagate column or table renaming to foreign key constraints
+* -Propagate column or table renaming to foreign key constraints
* -Automatically drop constraints/functions when object is dropped
* -Make foreign key constraints clearer in dump file
* -Make other constraints clearer in dump file
* Turn off after-change writes if fsync is disabled (?)
* Add WAL index reliability improvement to non-btree indexes
* -Reorder postgresql.conf WAL items in order of importance (Bruce)
-* Remove wal_files postgresql.conf option because WAL files are now recycled
+* -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
* Improve Subplan list handling
* Allow Subplans to use efficient joins(hash, merge) with upper variable
-* Improve dynamic memory allocation by introducing tuple-context memory
+* -Improve dynamic memory allocation by introducing tuple-context memory
allocation (Tom)
* Add hash for evaluating GROUP BY aggregates
-* Nested FULL OUTER JOINs don't work (Tom)
+* -Nested FULL OUTER JOINs don't work (Tom)
* Allow merge and hash joins on expressions not just simple variables (Tom)
* -Add new pg_proc cachable settings to specify whether function can be
evaluated only once or once per query
projects / postgresql / commitdiff