diff --git a/doc/TODO b/doc/TODO index c7087d0141..9a0f84fe67 100644 --- a/doc/TODO +++ b/doc/TODO @@ -2,12 +2,13 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Wed Aug 24 10:00:31 EDT 2005 +Last updated: Wed Aug 24 10:05:23 EDT 2005 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. #A hyphen, "-", marks changes that will appear in the upcoming 8.1 release.# +#A percent sign, "%", marks items that are easier to implement.# Bracketed items, "[]", have more detail. @@ -19,10 +20,10 @@ first. Administration ============== -* Remove behavior of postmaster -o after making postmaster/postgres +* %Remove behavior of postmaster -o after making postmaster/postgres flags unique * -Allow limits on per-db/role connections -* Allow pooled connections to list all prepared queries +* %Allow pooled connections to list all prepared queries This would allow an application inheriting a pooled connection to know the queries prepared in the current session. @@ -37,7 +38,7 @@ Administration Currently SIGTERM of a backend can lead to lock table corruption. * -Prevent dropping user that still owns objects, or auto-drop the objects -* Set proper permissions on non-system schemas during db creation +* %Set proper permissions on non-system schemas during db creation Currently all schemas are owned by the super-user because they are copied from the template1 database. @@ -61,16 +62,16 @@ Administration * Configuration files - o Add "include file" functionality in postgresql.conf + o %Add "include file" functionality in postgresql.conf o Allow postgresql.conf values to be set so they can not be changed by the user - o Allow commenting of variables in postgresql.conf to restore them + o %Allow commenting of variables in postgresql.conf to restore them to defaults Currently, if a variable is commented out, it keeps the previous uncommented value until a server restarted. - o Allow pg_hba.conf settings to be controlled via SQL + o %Allow pg_hba.conf settings to be controlled via SQL This would add a function to load the SQL table from pg_hba.conf, and one to writes its contents to the flat file. @@ -78,7 +79,7 @@ Administration can be inserted between existing rows, e.g. row 2.5 goes between row 2 and row 3. - o Allow postgresql.conf file values to be changed via an SQL + o %Allow postgresql.conf file values to be changed via an SQL API, perhaps using SET GLOBAL o Allow the server to be stopped/restarted via an SQL API @@ -106,7 +107,7 @@ Administration requires a tool that will call that function and connect to each database to find the objects in each database for that tablespace. - o Add a GUC variable to control the tablespace for temporary objects + o %Add a GUC variable to control the tablespace for temporary objects and sort files It could start with a random tablespace from a supplied list and @@ -135,7 +136,7 @@ Administration the archive contins all the files needed for point-in-time recovery. - o Create dump tool for write-ahead logs for use in determining + o %Create dump tool for write-ahead logs for use in determining transaction id for point-in-time recovery o Allow a warm standby system to also allow read-only queries [pitr] @@ -153,7 +154,7 @@ Monitoring This would allow server log information to be easily loaded into a database for analysis. -* Add ability to monitor the use of temporary sort files +* %Add ability to monitor the use of temporary sort files * -Add session start time and last statement time to pg_stat_activity * -Add a function that returns the start time of the postmaster * Allow server logs to be remotely read and removed using SQL commands @@ -162,7 +163,7 @@ Monitoring Data Types ========== -* Remove Money type, add money formatting for decimal type +* %Remove Money type, add money formatting for decimal type * Change NUMERIC to enforce the maximum precision, and increase it * Add NUMERIC division operator that doesn't round? @@ -177,14 +178,14 @@ Data Types * Have sequence dependency track use of DEFAULT sequences, seqname.nextval? -* Disallow changing default expression of a SERIAL column? +* %Disallow changing default expression of a SERIAL column? * Fix data types where equality comparison isn't intuitive, e.g. box -* Prevent INET cast to CIDR if the unmasked bits are not zero, or +* %Prevent INET cast to CIDR if the unmasked bits are not zero, or zero the bits -* Prevent INET cast to CIDR from droping netmask, SELECT '1.1.1.1'::inet::cidr +* %Prevent INET cast to CIDR from droping netmask, SELECT '1.1.1.1'::inet::cidr * Allow INET + INT4 to increment the host part of the address, or throw an error on overflow -* Add 'tid != tid ' operator for use in corruption recovery +* %Add 'tid != tid ' operator for use in corruption recovery * Dates and Times @@ -221,7 +222,7 @@ Data Types * Arrays o Allow NULLs in arrays - o Allow MIN()/MAX() on arrays + o %Allow MIN()/MAX() on arrays o Delay resolution of array expression's data type so assignment coercion can be performed on empty array expressions o Modify array literal representation to handle array index lower bound @@ -255,7 +256,7 @@ Functions make time reporting more consistent and will allow reporting of the statement start time. -* Add pg_get_acldef(), pg_get_typedefault(), and pg_get_attrdef() +* %Add pg_get_acldef(), pg_get_typedefault(), and pg_get_attrdef() * Allow to_char() to print localized month names * Allow functions to have a schema search path specified at creation time * Allow substring/replace() to get/set bit values @@ -304,16 +305,16 @@ Multi-Language Support Views / Rules ============= -* Automatically create rules on views so they are updateable, per SQL99 +* %Automatically create rules on views so they are updateable, per SQL99 We can only auto-create rules for simple views. For more complex cases users will still have to write rules. * Add the functionality for WITH CHECK OPTION clause of CREATE VIEW * Allow NOTIFY in rules involving conditionals -* Have views on temporary tables exist in the temporary namespace +* %Have views on temporary tables exist in the temporary namespace * Allow temporary views on non-temporary tables -* Allow RULE recompilation +* %Allow RULE recompilation SQL Commands @@ -333,9 +334,9 @@ SQL Commands * Add CORRESPONDING BY to UNION/INTERSECT/EXCEPT * -Allow REINDEX to rebuild all database indexes * Add ROLLUP, CUBE, GROUPING SETS options to GROUP BY -* Allow SET CONSTRAINTS to be qualified by schema/table name -* Allow TRUNCATE ... CASCADE/RESTRICT -* Add a separate TRUNCATE permission +* %Allow SET CONSTRAINTS to be qualified by schema/table name +* %Allow TRUNCATE ... CASCADE/RESTRICT +* %Add a separate TRUNCATE permission Currently only the owner can TRUNCATE a table because triggers are not called, and the table is locked in exclusive mode. @@ -367,7 +368,7 @@ SQL Commands triggers?) * Add NOVICE output level for helpful messages like automatic sequence/index creation -* Add COMMENT ON for all cluster global objects (roles, databases +* %Add COMMENT ON for all cluster global objects (roles, databases and tablespaces) * -Add an option to automatically use savepoints for each statement in a multi-statement transaction. @@ -420,11 +421,11 @@ SQL Commands * ALTER - o Have ALTER TABLE RENAME rename SERIAL sequence names - o Add ALTER DOMAIN TYPE - o Allow ALTER TABLE ... ALTER CONSTRAINT ... RENAME - o Allow ALTER TABLE to change constraint deferrability and actions - o Disallow dropping of an inherited constraint + o %Have ALTER TABLE RENAME rename SERIAL sequence names + o %Add ALTER DOMAIN TYPE + o %Allow ALTER TABLE ... ALTER CONSTRAINT ... RENAME + o %Allow ALTER TABLE to change constraint deferrability and actions + o %Disallow dropping of an inherited constraint o -Allow objects to be moved to different schemas o Allow ALTER TABLESPACE to move to different directories o Allow databases to be moved to different tablespaces @@ -433,7 +434,7 @@ SQL Commands Currently non-global system tables must be in the default database tablespace. Global system tables can never be moved. - o Prevent child tables from altering constraints like CHECK that were + o %Prevent child tables from altering constraints like CHECK that were inherited from the parent table @@ -449,7 +450,7 @@ SQL Commands store heap rows in hashed groups, perhaps using a user-supplied hash function. - o Add default clustering to system tables + o %Add default clustering to system tables To do this, determine the ideal cluster index for each system table and set the cluster setting during initdb. @@ -463,7 +464,7 @@ SQL Commands processed, with ROLLBACK on COPY failure. o -Allow COPY to understand \x as a hex byte - o Have COPY return the number of rows loaded/unloaded? + o %Have COPY return the number of rows loaded/unloaded? o -Allow COPY to optionally include column headings in the first line o -Allow COPY FROM ... CSV to interpret newlines and carriage returns in data @@ -472,7 +473,7 @@ SQL Commands * GRANT/REVOKE o Allow column-level privileges - o Allow GRANT/REVOKE permissions to be applied to all schema objects + o %Allow GRANT/REVOKE permissions to be applied to all schema objects with one command The proposed syntax is: @@ -495,7 +496,7 @@ SQL Commands o Prevent DROP TABLE from dropping a row referenced by its own open cursor? - o Allow pooled connections to list all open WITH HOLD cursors + o %Allow pooled connections to list all open WITH HOLD cursors Because WITH HOLD cursors exist outside transactions, this allows them to be listed so they can be closed. @@ -589,22 +590,22 @@ Clients * pg_dump - o Have pg_dump use multi-statement transactions for INSERT dumps - o Allow pg_dump to use multiple -t and -n switches [pg_dump] - o Add dumping of comments on composite type columns - o Add dumping of comments on index columns - o Replace crude DELETE FROM method of pg_dumpall --clean for + o %Have pg_dump use multi-statement transactions for INSERT dumps + o %Allow pg_dump to use multiple -t and -n switches [pg_dump] + o %Add dumping of comments on composite type columns + o %Add dumping of comments on index columns + o %Replace crude DELETE FROM method of pg_dumpall --clean for cleaning of roles with separate DROP commands o -Add dumping and restoring of LOB comments o Stop dumping CASCADE on DROP TYPE commands in clean mode - o Add full object name to the tag field. eg. for operators we need + o %Add full object name to the tag field. eg. for operators we need '=(integer, integer)', instead of just '='. o Add pg_dumpall custom format dumps. This is probably best done by combining pg_dump and pg_dumpall into a single binary. - o Add CSV output format + o %Add CSV output format o Update pg_dump and psql to use the new COPY libpq API (Christopher) o Remove unnecessary abstractions in pg_dump source code @@ -622,7 +623,7 @@ Clients o Use backend PREPARE/EXECUTE facility for ecpg where possible o Implement SQLDA o Fix nested C comments - o sqlwarn[6] should be 'W' if the PRECISION or SCALE value specified + o %sqlwarn[6] should be 'W' if the PRECISION or SCALE value specified o Make SET CONNECTION thread-aware, non-standard? o Allow multidimensional arrays o Add internationalized message strings @@ -657,7 +658,7 @@ Referential Integrity * Allow statement-level triggers to access modified rows * Support triggers on columns (Greg Sabino Mullane) -* Remove CREATE CONSTRAINT TRIGGER +* %Remove CREATE CONSTRAINT TRIGGER This was used in older releases to dump referential integrity constraints. @@ -808,7 +809,7 @@ Fsync * Improve commit_delay handling to reduce fsync() * Determine optimal fdatasync/fsync, O_SYNC/O_DSYNC options * -Allow multiple blocks to be written to WAL with one write() -* Add an option to sync() before fsync()'ing checkpoint files +* %Add an option to sync() before fsync()'ing checkpoint files * Add program to test if fsync has a delay compared to non-fsync @@ -906,14 +907,14 @@ Vacuum VACUUM can look at just those pages rather than the entire table. In the event of a system crash, the bitmap would probably be invalidated. -* Add system view to show free space map contents +* %Add system view to show free space map contents * Auto-vacuum o -Move into the backend code o Use free-space map information to guide refilling - o Suggest VACUUM FULL if a table is nearly empty + o %Suggest VACUUM FULL if a table is nearly empty o Improve xid wraparound detection by recording per-table rather than per-database @@ -1079,7 +1080,7 @@ Source Code * Rename some /contrib modules from pg* to pg_* * Move some things from /contrib into main tree * Move some /contrib modules out to their own project sites -* Remove warnings created by -Wcast-align +* %Remove warnings created by -Wcast-align * Move platform-specific ps status display info from ps_status.c to ports * Add optional CRC checksum to heap and index pages * Improve documentation to build only interfaces (Marc) @@ -1110,6 +1111,7 @@ Source Code * Fix cross-compiling of time zone database via 'zic' * Fix sgmltools so PDFs can be generated with bookmarks * -Add C code on Unix to copy directories for use in creating new databases +* %Clean up compiler warnings (especially with gcc version 4) * Win32 diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 707addbba9..a0fc82fa72 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,12 +8,13 @@

PostgreSQL TODO List

Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated: Wed Aug 24 10:00:31 EDT 2005 +Last updated: Wed Aug 24 10:05:23 EDT 2005

The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.

-

A hyphen, "-", marks changes that will appear in the upcoming 8.1 release. +

A hyphen, "-", marks changes that will appear in the upcoming 8.1 release.
+A percent sign, "%", marks items that are easier to implement.

Bracketed items, "[]", have more detail.

@@ -24,10 +25,10 @@ first.

Administration

  • Configuration files @@ -100,7 +101,7 @@ first. database to find the objects in each database for that tablespace.