Update TODO list.
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Bruce Momjian
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TODO list for PostgreSQL
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========================
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Last updated: Sun Jul 15 10:33:56 EDT 2001
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Last updated: Mon Jul 16 01:00:21 EDT 2001
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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@ -35,9 +35,6 @@ URGENT
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o queries across databases or servers (two-phase commit)
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* Point-in-time data recovery using backup and write-ahead log
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* Allow row re-use without vacuum (Tom)
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* Create a background process for each database that runs while
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database is idle, finding superceeded rows, gathering stats and
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vacuuming (Tom)
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ADMIN
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@ -62,6 +59,7 @@ TYPES
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* Add IPv6 capability to INET/CIDR types
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* -Add conversion function from text to inet
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* Store binary-compatible type information in the system
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* Allow better handling of numeric constants, type conversion [typeconv]
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* Support construction of array result values in expressions
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* Remove Money type, add money formatting for decimal type
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* SELECT cash_out(2) crashes because of opaque
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@ -70,15 +68,14 @@ TYPES
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* -Make binary/file in/out interface for TOAST columns (base64)
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* Functions returning sets do not totally work
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* SELECT col FROM tab WHERE numeric_col = 10.1 fails
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* Allow better handling of numeric constants, type conversion [typeconv]
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* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
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* -Add SQL standard function bit_length() (Peter E)
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* -Make oid use unsigned int more reliably (Tom)
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* Add security checking for large objects
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* ARRAYS
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* Allow nulls in arrays
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* Allow arrays to be ORDER'ed
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* fix array handling in ECPG
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o Allow nulls in arrays
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o Allow arrays to be ORDER'ed
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o fix array handling in ECPG
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MULTILANGUAGE SUPPORT
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@ -101,7 +98,7 @@ INDEXES
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* Allow CREATE INDEX zman_index ON test (date_trunc( 'day', zman ) datetime_ops)
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fails index can't store constant parameters
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* Add FILLFACTOR to index creation
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* Re-enable partial indexes
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* -Re-enable partial indexes
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* Allow inherited tables to inherit index, UNIQUE constraint, and primary
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key, foreign key [inheritance]
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* UNIQUE INDEX on base column not honored on inserts from inherited table
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@ -109,7 +106,7 @@ INDEXES
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[inheritance]
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* -Prevent pg_attribute from having duplicate oids for indexes (Tom)
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* Add UNIQUE capability to non-btree indexes
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* Certain indexes will not shrink, e.g. oid indexes with many inserts (Vadim)
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* Certain indexes will not shrink, e.g. oid indexes with many inserts
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* Have UPDATE/DELETE clean out indexes
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* Add btree index support for reltime, tinterval, regproc
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* Add rtree index support for line, lseg, path, point
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@ -140,8 +137,6 @@ SYSTEM TABLES
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COMMANDS
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* Add SIMILAR TO to allow character classes, 'pg_[a-c]%'
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* Auto-destroy sequence on DROP of table with SERIAL, perhaps with a separate
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SERIAL type
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* Allow LOCK TABLE tab1, tab2, tab3 so all tables locked in unison [lock]
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* Allow RULE recompilation
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* Add BETWEEN ASYMMETRIC/SYMMETRIC
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@ -151,45 +146,45 @@ COMMANDS
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* -Allow GRANT/REVOKE to handle multiple user/group names
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* -Allow CREATEUSER/CREATEDB ordering in CREATE/ALTER USER (Vince)
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* ALTER
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* ALTER TABLE ADD COLUMN does not honor DEFAULT and non-CHECK CONSTRAINT
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* ALTER TABLE ADD COLUMN to inherited table put column in wrong place
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o ALTER TABLE ADD COLUMN does not honor DEFAULT and non-CHECK CONSTRAINT
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o ALTER TABLE ADD COLUMN to inherited table put column in wrong place
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[inheritance]
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* Add ALTER TABLE DROP COLUMN feature [drop]
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* Add ALTER FUNCTION
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* Add ALTER TABLE DROP non-CHECK CONSTRAINT
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* -Add ALTER TABLE DROP CHECK CONSTRAINT (Christopher Kings-Lynne)
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* ALTER TABLE ADD PRIMARY KEY (Christopher Kings-Lynne)
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* ALTER TABLE ADD UNIQUE (Christopher Kings-Lynne)
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o Add ALTER TABLE DROP COLUMN feature [drop]
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o Add ALTER FUNCTION
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o Add ALTER TABLE DROP non-CHECK CONSTRAINT
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o -Add ALTER TABLE DROP CHECK CONSTRAINT (Christopher Kings-Lynne)
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o ALTER TABLE ADD PRIMARY KEY (Christopher Kings-Lynne)
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o ALTER TABLE ADD UNIQUE (Christopher Kings-Lynne)
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* CLUSTER
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* cluster all tables at once
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* prevent lose of indexes, permissions, inheritance
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* Automatically keep clustering on a table
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* -Keep statistics about clustering (Tom) [optimizer]
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o cluster all tables at once
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o prevent lose of indexes, permissions, inheritance
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o Automatically keep clustering on a table
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o -Keep statistics about clustering (Tom) [optimizer]
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* COPY
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* Allow specification of column names
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* Allow dump/load of CSV format
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o Allow specification of column names
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o Allow dump/load of CSV format
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* CURSOR
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* Allow BINARY option to SELECT, like we do with DECLARE
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* MOVE 0 should not move to end of cursor
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* Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
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* Allow DELETE WHERE CURRENT OF cursor
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o Allow BINARY option to SELECT, like we do with DECLARE
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o MOVE 0 should not move to end of cursor
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o Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
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o Allow DELETE WHERE CURRENT OF cursor
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* INSERT
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* Allow INSERT/UPDATE of system-generated oid value for a row
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* Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
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* Allow INSERT INTO my_table VALUES (a, b, c, DEFAULT, x, y, z, ...)
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* Disallow missing columns in INSERT ... VALUES, per ANSI
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* Allow INSERT/UPDATE ... RETURNING new.col or old.col (Philip)
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o Allow INSERT/UPDATE of system-generated oid value for a row
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o Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
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o Allow INSERT INTO my_table VALUES (a, b, c, DEFAULT, x, y, z, ...)
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o Disallow missing columns in INSERT ... VALUES, per ANSI
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o Allow INSERT/UPDATE ... RETURNING new.col or old.col (Philip)
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* SHOW/SET
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* Add SHOW command to display locks
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* -Add SHOW command to show all settings
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* -Add a global RESET command for use with connection pooling
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* Add SET or BEGIN timeout parameter to cancel query if waiting too long
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* Add SET REAL_FORMAT and SET DOUBLE_PRECISION_FORMAT using printf args
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* Remove SET KSQO option now that OR processing is improved (Tom)
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* Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
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o Add SHOW command to display locks
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o -Add SHOW command to show all settings
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o -Add a global RESET command for use with connection pooling
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o Add SET or BEGIN timeout parameter to cancel query
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o Add SET REAL_FORMAT and SET DOUBLE_PRECISION_FORMAT using printf args
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o Remove SET KSQO option now that OR processing is improved (Tom)
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o Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
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ANALYZE, and CLUSTER
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* Add SHOW command to see locale
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o Add SHOW command to see locale
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CLIENTS
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@ -202,30 +197,36 @@ CLIENTS
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* add XML interface capability
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* Fix libpq to properly handle socket failures under native MS Win32 [libpq]
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* JDBC
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* Comprehensive test suite. This may be available already.
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* Updateable resultSet (must be done in backend code)
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* Improved DatabaseMetaData [java]
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* JDBC-standard BLOB support
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* Error Codes (pending backend implementation)
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* Support for binary data/bytea
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o Comprehensive test suite. This may be available already.
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o Updateable resultSet (must be done in backend code)
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o Improved DatabaseMetaData [java]
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o JDBC-standard BLOB support
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o Error Codes (pending backend implementation)
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o Support for binary data/bytea
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REFERENTIAL INTEGRITY
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* Add MATCH PARTIAL referential integrity
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* -Check that primary key exists at foreign key definition time
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* Prevent column dropping if column is used by foreign key
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* Propagate column or table renaming to foreign key constraints
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* Add deferred trigger queue file (Jan)
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* Allow oid to act as a foreign key
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* Implement dirty reads and use them in RI triggers
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* Enforce referential integrity for system tables
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* INSERT & UPDATE/DELETE in transaction of primary key fails with
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deferredTriggerGetPreviousEvent or "change violation" [foreign]
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* Make constraints clearer in dump file
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* Make foreign keys easier to identify
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* Change foreign key constraint for array -> element to mean element
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in array
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DEPENDENCY CHECKING / pg_depend
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* Auto-destroy sequence on DROP of table with SERIAL, perhaps with a separate
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SERIAL type
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* Prevent column dropping if column is used by foreign key
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* Propagate column or table renaming to foreign key constraints
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* Automatically drop constraints/functions when object is dropped
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* Make constraints clearer in dump file
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* Make foreign keys easier to identify
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TRANSACTIONS
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@ -261,9 +262,9 @@ PERFORMANCE
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FSYNC
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* Delay fsync() when other backends are about to commit too [fsync]
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* Determine optimal commit_delay value
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o Determine optimal commit_delay value
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* Determine optimal fdatasync/fsync, O_SYNC/O_DSYNC options
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* Allow multiple blocks to be written to WAL with one write()
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o Allow multiple blocks to be written to WAL with one write()
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CACHE
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@ -300,7 +301,7 @@ MISCELLANEOUS
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* Make blind writes go through the file descriptor cache
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* Allow logging of query durations
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* Add hash-based aggregates
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* Read pg_hba.conf only on postmaster startup or SIGHUP
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* Read pg_hba.conf only on postmaster startup or SIGHUP (Bruce)
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SOURCE CODE
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@ -313,8 +314,9 @@ SOURCE CODE
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* Fix username/password length limits in all areas, e.g. pg_passwd
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* Remove compile-time upper limit on number of backends (MAXBACKENDS) (Tom)
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* Make sure all block numbers are unsigned to increase maximum table size
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* Use BlockNumber rather than int where appropriate
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* Merge LockMethodCtl and LockMethodTable into one shared structure (Bruce)
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* HOLDER/HOLDERTAB reanme to PROCLOCKLINK/PROCLOCKLINKTAG (Tom)
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* HOLDER/HOLDERTAB rename to PROCLOCKLINK/PROCLOCKLINKTAG (Tom)
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* Add version file format stamp to heap and other table types
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* Make elog(LOG) in WAL its own output type, distinct from DEBUG
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* Rename some /contrib modules from pg* to pg_*
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@ -325,32 +327,31 @@ SOURCE CODE
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* Allow ps status display to work on Solaris/SVr4-based systems
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* -Decide on spelling of indexes/indices (Peter E)
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* Add mention of VACUUM, log rotation to Administrator's Guide
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* Use BlockNumber rather than int where appropriate
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---------------------------------------------------------------------------
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Developers who have claimed items are:
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--------------------------------------
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* Billy is Billy G. Allie <Bill.Allie@mug.org>
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* Bruce is Bruce Momjian<pgman@candle.pha.pa.us>
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* D'Arcy is D'Arcy J.M. Cain <darcy@druid.net>
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* Edmund is Edmund Mergl <E.Mergl@bawue.de>
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* Hiroshi is Hiroshi Inoue <Inoue@tpf.co.jp>
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* Karel is Karel Zak <zakkr@zf.jcu.cz>
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* Jan is Jan Wieck <wieck@sapserv.debis.de>
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* Marc is Marc Fournier <scrappy@hub.org>
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* Mark is Mark Hollomon <mhh@mindspring.com>
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* Michael is Michael Meskes <meskes@postgresql.org>
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* Oleg is Oleg Bartunov <oleg@sai.msu.su>
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* Peter M is Peter T Mount <peter@retep.org.uk>
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* Peter E is Peter Eisentraut<peter_e@gmx.net>
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* Philip is Philip Warner <pjw@rhyme.com.au>
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* Ross is Ross J. Reedstrom <reedstrm@wallace.ece.rice.edu>
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* Ryan is Ryan Bradetich <rbrad@hpb50023.boi.hp.com>
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* Stephan is Stephan Szabo <sszabo@megazone23.bigpanda.com>
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* Tatsuo is Tatsuo Ishii <t-ishii@sra.co.jp>
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* Thomas is Thomas Lockhart <lockhart@alumni.caltech.edu>
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* Tom is Tom Lane <tgl@sss.pgh.pa.us>
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* TomH is Tom I Helbekkmo <tih@Hamartun.Priv.NO>
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* Vadim is Vadim B. Mikheev <vadim4o@email.com>
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* Billy is Billy G. Allie <Bill.Allie@mug.org>
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* Bruce is Bruce Momjian<pgman@candle.pha.pa.us>
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* D'Arcy is D'Arcy J.M. Cain <darcy@druid.net>
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* Edmund is Edmund Mergl <E.Mergl@bawue.de>
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* Hiroshi is Hiroshi Inoue <Inoue@tpf.co.jp>
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* Karel is Karel Zak <zakkr@zf.jcu.cz>
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* Jan is Jan Wieck <wieck@sapserv.debis.de>
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* Marc is Marc Fournier <scrappy@hub.org>
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* Mark is Mark Hollomon <mhh@mindspring.com>
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* Michael is Michael Meskes <meskes@postgresql.org>
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* Oleg is Oleg Bartunov <oleg@sai.msu.su>
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* Peter M is Peter T Mount <peter@retep.org.uk>
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* Peter E is Peter Eisentraut<peter_e@gmx.net>
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* Philip is Philip Warner <pjw@rhyme.com.au>
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* Ross is Ross J. Reedstrom <reedstrm@wallace.ece.rice.edu>
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* Ryan is Ryan Bradetich <rbrad@hpb50023.boi.hp.com>
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* Stephan is Stephan Szabo <sszabo@megazone23.bigpanda.com>
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* Tatsuo is Tatsuo Ishii <t-ishii@sra.co.jp>
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* Thomas is Thomas Lockhart <lockhart@alumni.caltech.edu>
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* Tom is Tom Lane <tgl@sss.pgh.pa.us>
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* TomH is Tom I Helbekkmo <tih@Hamartun.Priv.NO>
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* Vadim is Vadim B. Mikheev <vadim4o@email.com>
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