TODO list for PostgreSQL
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-Last updated: Thu Mar 7 23:03:04 EST 2002
+Last updated: Thu Mar 7 23:33:25 EST 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
* Allow temporary views
* Move psql backslash information into views
* Allow RULE recompilation
-* Remove brackets as multi-statement rule grouping, must use parens
+* Remove brackets as multi-statement rule grouping, must use parens (Bruce)
* Prevent aggregates from being used in rule WHERE clauses
INDEXES
o ALTER TABLE ADD COLUMN column SERIAL doesn't create sequence
o ALTER TABLE ADD COLUMN column SET DEFAULT should fill existing
rows with DEFAULT value
- o Have ALTER TABLE OWNER change all dependant objects like indexes
+ o -Have ALTER TABLE OWNER change all dependant objects like indexes
* CLUSTER
- o cluster all tables at once
- o prevent loss of indexes, permissions, inheritance (Bruce)
+ o Cluster all tables at once
+ o Prevent loss of indexes, permissions, inheritance
o Automatically maintain clustering on a table
* COPY
* 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)
+* -Have pg_dump use ADD PRIMARY KEY after COPY, for performance (Neil Conway)
* JDBC
o Comprehensive test suite. This may be available already.
o Error Codes (pending backend implementation)
o Support both 'make' and 'ant'
o Fix LargeObject API to handle OIDs as unsigned ints
- o Implement cancel() method on Statement
+ o -Implement cancel() method on Statement
o Use cursors implicitly to avoid large results (see setCursorName())
o Add support for CallableStatements
o Add LISTEN/NOTIFY support to the JDBC driver (Barry)
* Add sql3 recursive unions
* Add the concept of dataspaces/tablespaces [tablespaces]
-* Allow SQL92 schemas [schema]
+* Allow SQL92 schemas (Tom) [schema]
* Allow queries across multiple databases [crossdb]
* Add pre-parsing phase that converts non-ANSI features to supported features
* Allow plug-in modules to emulate features from other databases
* 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]
-* Provide automatic scheduling of background vacuum (Tom)
+* Provide automatic running of vacuum in the background (Tom)
LOCKING
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* 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
-* Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
+* -Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
* Allow ORDER BY ... LIMIT to select top values without sort or index
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* Add use of 'const' for variables in source tree
-* Fix problems with libpq non-blocking/async code [async]
+* -Fix problems with libpq non-blocking/async code
* 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)
* Remove or relicense modules that are not under the BSD license, if possible
* Remove memory/file descriptor freeing befor elog(ERROR) (Bruce)
+
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