Prepare for 6.3 release.
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Bruce Momjian
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2
HISTORY
2
HISTORY
@ -125,7 +125,6 @@ New frontend/backend protocol has a version number, network byte order(Phil)
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Security features in pg_hba.conf enhanced and documented, many cleanups(Phil)
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CHAR() now faster access than VARCHAR() or TEXT
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ecpg embedded SQL preprocessor
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Add GROUP BY to INSERT INTO table SELECT * FROM table2
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Reduce system column overhead(Vadmin)
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Remove pg_time table(Vadim)
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Add pg_type attribute to identify types that need length (bpchar, varchar)
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@ -134,6 +133,7 @@ Allow VIEW permissions to be set separately from the underlying tables.
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For security, use GRANT/REVOKE on views as appropriate(Jan)
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Tables now have no default GRANT SELECT TO PUBLIC. You must
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explicitly grant such permissions.
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Clean up tutorial examples(Darren)
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Source Tree Changes
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-------------------
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39
doc/TODO
39
doc/TODO
@ -1,6 +1,6 @@
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TODO list for PostgreSQL
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========================
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Last updated: Sat Feb 28 10:00:29 EST 1998
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Last updated: Sun Mar 1 00:18:59 EST 1998
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Current maintainer: Bruce Momjian (maillist@candle.pha.pa.us)
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@ -62,24 +62,17 @@ RELIABILITY
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-----------
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* Overhaul mdmgr/smgr to fix double unlinking and double opens, cleanup
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* Overhaul bufmgr/lockmgr/transaction manager
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* -Fix CLUSTER
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* Remove EXTEND?
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* -Aggregates on VIEW always returns zero (maybe because there is no oid for views?)
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* CREATE VIEW requires super-user priviledge
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* Can lo_export()/lo_import() read/write anywhere, causing a security problem?
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* Tables that start with xinv confused to be large objects
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* Two and three dimmensional arrays display improperly, missing {}
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* -Add GROUP BY to INSERT INTO table SELECT * FROM table2
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* GROUP BY in INSERT INTO table SELECT * FROM table2 fails
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* lo_unlink() crashes server
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* Prevent auto-table reference, like SELECT table.col WHERE col = 3 (?)
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* -Remove un-needed malloc() calls and replace with palloc().
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* SELECT * FROM table WHERE int4_column = '1' fails
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* SELECT a[1] FROM test fails, it needs test.a[1]
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* -SELECT COUNT(*) FROM TAB1, TAB2 fails
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* -SELECT SUM(2+2) FROM table dumps core
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* UPDATE table SET table.value = 3 fails
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* -UPDATE key_table SET keyval=count(reftab.num) fails
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* -INSERT INTO ... SELECT DISTINCT ... does not accept DISTINCT
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* Make pg_dump preserve inheritance column order, do non-inherits first
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* User who can create databases can modify pg_database table
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* optimizer memory exhaustion with many OR's
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@ -88,20 +81,14 @@ RELIABILITY
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ENHANCEMENTS
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------------
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* Replace table-level locking with row or page-level locking(Vadim)
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* -PRIMARY KEY during table creation(Thomas)
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* Add SERIAL type
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* -Preserve GRANT/REVOKE/pg_group in pg_dump
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* Transaction log, so re-do log can be on a separate disk
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* Allow transaction commits with rollback with no-fsync performance
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* More access control over who can create tables and access the database
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* Add full ANSI SQL capabilities
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* -add subselects(Vadim)
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* Implement HAVING clause
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* -Implement EXISTS qualifier
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* -report "Not implemented" if valid syntax is supplied
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* add OUTER joins, left and right (Thomas)
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* make VIEWs updateable where possible
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* -add UNIONS(Bruce)
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* add INTERSECTS, SUBTRACTS
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* add temporary tables(Bruce)
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* add sql3 recursive unions
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@ -116,8 +103,6 @@ ENHANCEMENTS
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* Full set of text operations and functions
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* word searches, concat,max() on text, char
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* Large objects
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* -overwriting blocks has problems(Peter)
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* -there are other problems, too.(Peter)
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* Fix large object mapping scheme, own reltype
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* not to stuff everything as files in a single directory
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* Better interface for adding to pg_group
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@ -126,13 +111,6 @@ ENHANCEMENTS
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* Threaded version of the server or libpq
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* Allow libpq to cancel query requests
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* Add REGEX internationalization
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* -Add other language types for built-in functions
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* expand to allow tcl, perl, java
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* generalize the function manager switch to pass
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* function sources to interpreter engines.
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* -remove time-travel feature(Vadim)
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* -reduce system column overhead(Vadmin)
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* -remove pg_time table(Vadim)
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* allow row re-use without vacuum, maybe?(Vadim)
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* Remove restriction that ORDER BY field must be in SELECT list
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* Add word index for text fields, maybe with trigrams, i.e.:
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@ -142,29 +120,19 @@ ENHANCEMENTS
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* Allow INSERT INTO ... SELECT to convert column types
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* Add syslog functionality(Marc)
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* Add STDDEV/VARIANCE() function for standard deviation computation/variance
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* -Add table/column/function discription table indexed by oid
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* -add pg_type attribute to identify types that need length (bpchar, varchar)
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* add UNIQUE capability to non-btree indexes
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* make number of backends a config parameter, storage/sinvaladt.h:MaxBackendId
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* certain indexes will not shrink, i.e. oid indexes with many inserts
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* make NULL's come out at the beginning or end depending on the ORDER BY direction
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* change the library/backend interface to use network byte order
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* -allow unix domain sockets for local connections for performance and security
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* -Add PAGER for psql's \dt, \d, \z tablename
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* -Make timezone set-able by client applications(Thomas)
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* Restore unused oid's on backend exit if no one else has gotten oids
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* remove non-standard types from the system, and make them loadable
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* -make reads queue behind a write waiting for a lock(Bruce)
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* -add LOCK statement(Bruce)
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* -add report of offending line when COPY command fails
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* have UPDATE/DELETE clean out indexes
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* -allow varchar() to only store used bytes, not maximum
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* allow WHERE restriction on ctid
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* allow pg_descriptions when creating types, tables, columns, and functions
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* Fix compile and security of Kerberos/GSSAPI code
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* Allow psql to print nulls as distinct from ""(?)
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* Allow variable casts with BETWEEN 'today'::asbtime AND 'today'::abstime
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* -Allow VIEW permissions to be set separately from the underlying tables
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* Allow INSERT INTO ... SELECT ... FROM view to work
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* Allow text, char(), and varchar() overhead to be only 2 bytes, not 4 bytes
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* Make VACUUM on database not lock pg_class
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@ -180,7 +148,6 @@ ENHANCEMENTS
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PERFORMANCE
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-----------
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* Use indexes in ORDER BY, min(), max()(Costin Oproiu)
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* -Allow LIKE/wildcard matches to use indexes if the wildcard character is not first
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* Optimizing disjunctive queries
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* Fix bushy-plans (Martin)
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* Other optimizer bugs
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@ -380,7 +347,6 @@ New frontend/backend protocol has a version number, network byte order(Phil)
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Security features in pg_hba.conf enhanced and documented, many cleanups(Phil)
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CHAR() now faster access than VARCHAR() or TEXT
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ecpg embedded SQL preprocessor
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Add GROUP BY to INSERT INTO table SELECT * FROM table2
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Reduce system column overhead(Vadmin)
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Remove pg_time table(Vadim)
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Add pg_type attribute to identify types that need length (bpchar, varchar)
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@ -389,6 +355,7 @@ Allow VIEW permissions to be set separately from the underlying tables.
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For security, use GRANT/REVOKE on views as appropriate(Jan)
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Tables now have no default GRANT SELECT TO PUBLIC. You must
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explicitly grant such permissions.
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Clean up tutorial examples(Darren)
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Source Tree Changes
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-------------------
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