Re: Release changes

I don't know about that item.  There is a menion of allowing 60 seconds
--- is that it?

---------------------------------------------------------------------------

Larry Rosenman wrote:
> What about the interval change in ISO datestyle for zero seconds?
> 
> LER
> 
> 
> --On Sunday, August 03, 2003 19:30:26 -0400 Bruce Momjian 
> <pgman@candle.pha.pa.us> wrote:
> 
> >
> > Here are the changes for 7.4.  I am looking for any improvements.  This
> > will be adjusted as we move through beta.
> >
> > I need to work on the other sections of a major release, like a
> > compatibility section.
> >
> > -------------------------------------------------------------------------
> > --
> >
> >                                Release Notes
> >
> >                            7.4 Development Branch
> >
> >
> > Valid as of 2003-08-01.  Update release.sgml later.
> >
> >
> > Server Operation
> >
> > Allow IPv6 server connections (Nigel Kukard, Johan Jordaan, Bruce, Tom,
> > Kurt   Roeckx, Andrew Dunstan)
> > Fix SSL to handle errors cleanly (Nathan Mueller)
> > SSL protocol security and performance improvements (Sean Chittenden)
> > Print lock information when a deadlock is detected (Tom)
> > Update /tmp socket files regularly to avoid their removal (Tom)
> > Enable PAM for MAC OS X (Aaron Hillegass)
> > Make btree indexes fully WAL-safe (Tom)
> > Allow btree index compaction and empty page reuse (Tom)
> > Fix inconsistent index lookups during split of first root page (Tom)
> > Improve free space map allocation logic (Tom)
> > Preserve free space information between postmaster restarts (Tom)
> > Set proper schema permissions in initdb (Peter)
> > Add start time to pg_stat_activity (Neil)
> > New code to detect corrupt disk pages;  erase with zero_damaged_pages
> > (Tom) New client/server protocol: faster, no username length limit, allow
> >   clean exit
> > Add transaction status, tableid, columnid to backend protocol (Tom)
> > Add new binary I/O protocol (Tom)
> > Remove autocommit server setting; move to client applications (Tom)
> > New error message wording, error codes, and three levels of error detail
> > (Tom)
> >
> >      _________________________________________________________________
> >
> > Performance
> >
> > Add hashing for GROUP BY aggregates (Tom)
> > Allow nested loops to be smarter about multicolumn indexes (Tom)
> > Allow multi-key hash joins (Tom)
> > Improve constant folding (Tom)
> > Add ability to inline simple SQL functions (Tom)
> > Reduce memory usage for queries using complex functions (Tom)
> > Improve GEQO optimizer performance (Tom)
> > Allow IN/NOT IN to be handled via hash tables (Tom)
> > Improve NOT IN (subquery) performance (Tom)
> > Allow most IN subqueries to be processed as joins (Tom)
> > Improve reverse index scan performance (Tom)
> > Improve optimizer cost computations, particularly for subqueries (Tom)
> > Assume WHERE a.x = b.y and b.y = 42 also means a.x = 42 (Tom)
> > Allow hash/merge joins on complex joins (Tom)
> > Allow hash joins for more data types (Tom)
> > Allow join optimization of ANSI joins, disable with join_collapse_limit
> > (Tom) Add from_collapse_limit to control conversion of subqueries to
> > joins (Tom) Use faster regex code from TCL (Henry Spencer, Tom)
> > Use bit-mapped relation sets in the optimizer (Tom)
> > Improve backend startup time (Tom)
> > Improve trigger/constraint performance (Stephan)
> >
> >      _________________________________________________________________
> >
> > Server Configuration
> >
> > Rename server parameter server_min_messages to log_min_messages (Bruce)
> > Rename show_*_stats to log_*_stats (Bruce)
> > Rename show_source_port to log_source_port (Bruce)
> > Rename hostname_lookup to log_hostname (Bruce)
> > Add checkpoint_warning to warn of excessive checkpointing (Bruce)
> > Allow the postmaster to preload libraries using preload_libraries (Joe)
> > New read-only server parameters for localization (Tom)
> > Change debug server log messages to output as DEBUG rather than LOG
> > (Bruce) Prevent server log variables from being turned off by non-super
> > users (Bruce) log_min_messages/client_min_messages now controls debug_*
> > output (Bruce) Add Rendezvous server support (Chris Campbell)
> > Add ability to print only slow statements using log_min_duration_statement
> >   (Christopher)
> > Allow pg_hba.conf to accept netmasks in CIDR format (Andrew Dunstan)
> > New is_superuser read-only variable (Tom)
> > New server-side parameter log_error_verbosity to control error detail
> > (Tom) postgres --help-config now dumps server config variables (Tom)
> > Make default shared_buffers 1000 and max_connections 100, if possible
> > (Tom) Add pg_settings table to see server settings (Joe)
> > Prevent assign_session_authorization() from being confused by
> >   all-numeric user names (Tom)
> >
> >      _________________________________________________________________
> >
> > Queries
> >
> > New SQL-standard information schema (Peter)
> > Add read-only transactions (Peter)
> > Add server variable regex_flavor to control regular expression
> >   processing (Tom)
> > Allow ORDER BY in FROM subqueries to be honored by outer queries (Tom)
> > Print key name in foreign-key violation messages (Dmitry Tkach)
> > Allow users to see their own queries in pg_stat_activity (Kevin Brown)
> > Allow subquery aggregates to reference upper query columns (?) (Tom)
> > Add option to prevent auto-addition of tables referenced in query (Nigel
> > J.   Andrews)
> > Allow dollar signs in identifiers, except as first character (Tom)
> > Allow UPDATE ... SET col = DEFAULT (Rod)
> > Allow expressions to be used in LIMIT/OFFSET (Tom)
> >
> >      _________________________________________________________________
> >
> > Object Manipulation
> >
> > Make CREATE SEQUENCE grammar more SQL1999 standards compliant (Neil)
> > Add FOR EACH STATEMENT statement-level triggers (Neil Conway)
> > Add DOMAIN CHECK constraints (Rod)
> > Add ALTER DOMAIN .. SET / DROP NOT NULL, SET / DROP DEFAULT, ADD / DROP
> >   CONSTRAINT (Rod)
> > Allow zero-column tables (Tom)
> > Have ALTER TABLE ... ADD PRIMARY KEY add NOT NULL constraint (Rod)
> > Add ALTER DOMAIN OWNER (Rod)
> > Add pg_trigger.tgenabled to disable triggers? (Neil)
> > Add ALTER TABLE ... WITHOUT OIDS? (Rod)
> > Have parser honor foreign-key constraints if created via ALTER TABLE ADD
> >   COLUMN? (Tom)
> > Add ALTER SEQUENCE to modify min/max/increment/cache/cycle values (Rod)
> > Add ALTER TABLE ... CLUSTER ON (Alvaro Herrera)
> > Improve DOMAIN automatic type casting (Tom)
> > Disallow dollar signs in operator names (Tom)
> > Allow SQL200X inheritance syntax LIKE <subtable>, INCLUDING DEFAULTS?
> > (Rod) Object owners can allow grantees to grant privilege to others?
> >
> >      _________________________________________________________________
> >
> > Utility Commands
> >
> > Add ON COMMIT PRESERVE ROWS for temp tables (Gavin)
> > Allow cursors outside transactions using WITH HOLD (Neil)
> > Make MOVE/FETCH 0 actually move/fetch 0 (Bruce)
> > Add MOVE ALL to move to end of cursor (Bruce)
> > Cause FETCH 1 to return the current cursor row, or zero if at
> >   beginning/end of cursor, per SQL spec (Bruce)
> > Have MOVE return 0 or 1 depending on cursor position (Bruce)
> > Properly handle SCROLL with cursors, or report an error (Tom)
> > Implement SQL92-compatible FIRST, LAST, ABSOLUTE n, RELATIVE n options
> >    for FETCH and MOVE (Tom)
> > Allow EXPLAIN on DECLARE CURSOR (Tom)
> > Allow CLUSTER to use index marked as pre-clustered by default (Alvaro
> > Herrera) Allow CLUSTER without tablename clusters all tables (Alvaro
> > Herrera) Prevent CLUSTER on partial indexes (Tom)
> > Allow \r and \r\n termination for COPY files (Bruce)
> > Disallow literal carriage return as a data value,
> > backslash-carriage-return   and \r still allowed (Bruce)
> > COPY changes (binary, \.)? (Tom)
> > Recover from COPY IN/OUT failure cleanly (Tom)
> > Reduce memory used by COPY (Tom)
> > Make TRUNCATE transaction-safe (Rod)
> > Multiple pg_dump fixes, including tar format and large objects
> > Allow pg_dump to dump specific schemas (Neil)
> > Allow pg_dump to preserve column storage characteristics (Christopher)
> > Allow pg_dump to preserve CLUSTER characteristics (Christopher)
> > Have pg_dumpall use GRANT/REVOKE to dump database-level permissions (Tom)
> > Allow pg_dumpall to support the -a, -s, -x options of pg_dump (Tom)
> > Prevent pg_dump from lowercasing identifiers specified on the command
> > line (Tom) Allow EXPLAIN EXECUTE (Neil)
> > Allow pg_get_constraintdef() to support UNIQUE, PRIMARY KEY and
> >   CHECK constraints (Christopher)
> > Improve VACUUM performance on indexes by reducing WAL traffic (Tom)
> > Allow pg_ctl to better handle non-standard ports (Greg)
> > Functional indexes now support indexes on column expressions (Tom)
> > Syntax errors now reported as 'syntax error' rather than 'parse error'
> > (Tom) Have SHOW TRANSACTION_ISOLATION match input to SET
> > TRANSACTION_ISOLATION (Tom) Have COMMENT ON DATABASE on non-local
> > database generate a warning (Tom)
> >
> >      _________________________________________________________________
> >
> > Data Types and Functions
> >
> > New extra_float_digits server parameter to control float precision display
> >   (Pedro Ferreira, Tom)
> > Allow +1300 as a numeric timezone specifier, for FJST (Tom)
> > Remove rarely used oidrand(), oidsrand(), and userfntest() functions
> > (Neil) Add md5() function to main server, already in /contrib/pgcrypto
> > (Joe) Increase date range of timestamp (John Cochran)
> > Change EXTRACT(EPOCH FROM timestamp) so timestamp without time zone
> >  is assumed to be in local time, not GMT (Tom)
> > Trap division by zero in case the operating system doesn't prevent it
> > (Tom) Change the NUMERIC data type internally to base 10000 (Tom)
> > New hostmast() function (Greg Wickham)
> > Fixes for to_char() (Karel)
> > Allow functions that can take any argument data type and return
> >   any data type, using ANYELEMENT and ANYARRAY (Joe)
> > Arrays may now be specified as ARRAY[1,2,3], ARRAY[['a','b'],['c','d']],
> >   or ARRAY[ARRAY[ARRAY[2]]] (Joe)
> > Allow proper comparisons for arrays (Joe)
> > Allow indexes on array columns, and used in ORDER BY and DISTINCT (Joe)
> > Allow WHERE qualifications of the form 'col IN/ANY/SOME/ALL (array) (?)
> > (Joe) Allow SQL functions to return arrays and take them as params (Joe)
> > Allow array concatenation with '||' and normal array comparisons (Joe)
> > New array functions array_append(), array_cat(), array_lower(),
> >   array_prepend(), array_to_string(), array_upper(), string_to_array()
> > (Joe) Allow assignments to empty arrays (Joe)
> > Allow 60 in seconds fields of timestamp, time, interval input values (Tom)
> > Allow PREPARE/bind of utility commands like FETCH and EXPLAIN (Tom)
> > Allow CIDR data type to be cast to text (Tom)
> > Allow the creation of special LIKE indexes for non-C locales (Peter)
> > Disallow invalid timezone names (Tom)
> > Trim trailing spaces when CHAR() data is cast to VARCHAR or TEXT (Tom)
> > Make FLOAT(p) measure the precision p in bits, not decimal digits (Tom)
> > Add IPv6 support to the inet and cidr data types (Michael Graff)
> > Add family() function to report whether address is IPv4 or IPv6 (Michael
> > Graff) Have SHOW DATESTYLE generate output similar to that used by SET
> > DATESTYLE (Tom) Change DATESTYLE to output its value in a more common
> > format (Tom) Make EXTRACT(TIMEZONE) and SET/SHOW TIMEZONE follow the SQL
> > convention   for the sign of timezone offsets, ie, positive is east from
> > UTC (Tom) Fix date_trunc('quarter',...) (B?jthe Zolt?n)
> > Make initcap() more compatible with Oracle (Mike Nolan)
> > Honor only DateStyle setting for date entry without a four-digit year
> > (Greg) Add new DateStyle values MDY, DMY, and YMD, honor US and European
> > for   backward compatibility (Tom)
> > 'now' will no longer work as a default, use now() (change required for
> > prepared   statements) (Tom)
> > Assume NaN value to be larger than any other value in comparisons (Tom)
> >
> >      _________________________________________________________________
> >
> > Server-side Languages
> >
> > Prevent PL/pgSQL crash when RETURN NEXT is used on a zero-row record (Tom)
> > Make PL/python's spi_execute interface handle NULLs properly (Andrew
> > Bosma) Allow PL/pgSQL to declare variables of composite types without
> > %ROWTYPE (Tom) Fix PL/python _quote() function to handle big integers (?)
> > Make PL/python an untrusted language, now called plpythonu (Kevin Jacobs,
> > Tom) Change PL/pgSQL EXECUTE INTO to CREATE TABLE AS EXECUTE? (Peter)
> >
> >      _________________________________________________________________
> >
> > Psql
> >
> > Add "\pset pager always" to always use pager (Greg)
> > Improve tab completion (Rod, Ross Reedstrom, Ian Barwick)
> > Reorder \? help into groupings (Harald Armin Massa, Bruce)
> > Add schema, cast, and conversion backslash commands (Christopher)
> > \encoding now tracks client_encoding server variable (Tom)
> > Save edit history into readline history (Ross)
> > Improve \d display (Christopher)
> > Enhance HTML mode to be more standards-compliant (Greg)
> > New '\set autocommit off' capability (Tom)
> > New '\set verbosity' to control error detail (Tom)
> > New  %T prompt string to show transaction status (Tom)
> >
> >      _________________________________________________________________
> >
> > Libpq
> >
> > Allow PQcmdTuples() to return row counts for MOVE and FETCH (Neil)
> > Add PQfreemem() for freeing memory on Win32, suggest for NOTIFY (Bruce)
> > Document service capability, and add sample file (Bruce)
> > Make PQsetdbLogin() have the same defaults as PQconnectdb() (Tom)
> > Allow libpq to cleanly fail when result sets are too large (Tom)
> > Improve performance of PGunescapeBytea() (Ben Lamb)
> > Allow threaded with --enable-thread-safety (Lee Kindness, Bruce)
> > Allow pqInternalNotice() to accept a format string and args instead of
> >   just a preformatted message (Tom, Sean Chittenden)
> > Allow control SSL negotiation with sslmode values "disable", "allow",
> >   "Prefer", and "require" (Jon Jensen)
> >
> >      _________________________________________________________________
> >
> > JDBC
> >
> > Allow setNull on updateable resultsets
> > Allow executeBatch on a prepared statement (Barry)
> > Support SSL connections (Barry)
> > Handle schema names in result sets (Paul Sorenson)
> > Add refcursor support (Nic Ferrier)
> >
> >      _________________________________________________________________
> >
> > Miscellaneous Interfaces
> >
> > Prevent possible memory leak or core dump during libpgtcl shutdown (Tom)
> > Add ecpg Informix compatibility (Michael)
> > Add ecpg DECIMAL type that is fixed length, for Informix (Michael)
> > Allow threaded ecpg with --enable-thread-safety (Lee Kindness, Bruce)
> > Allow client interfaces to compile under MinGW/win32 (Bruce)
> > Move python client interface to http://www.pygresql.org (Marc)
> >
> >      _________________________________________________________________
> >
> > Source Code
> >
> > Prevent need for separate platform geometry regression result files (Tom)
> > Improved PPC locking primitive (Reinhard Max)
> > Embed LD_LIBRARY_PATH used for build process into binaries (Billy)
> > New palloc0 to allocate and clear memory (Bruce)
> > Fix locking code for s390x CPU (64-bit) (Tom)
> > Allow OpenBSD to use local indent credentials (William Ahern)
> > Allow read-only query plans (Tom)
> > Add Darwin startup scripts (David Wheeler)
> > Allow libpq to compile with Borland C++ compiler (Lester Godwin, Karl
> > Waclawek) Use our own version of getopt_long() if needed (Peter)
> > Convert administration scripts to C (Peter)
> > Bison >=1.85 is now required for grammar changes
> > Merge documentation into one book (Peter)
> > Add Win32 compatibility functions (Bruce)
> > New ereport() function for error reporting (Tom)
> > Support Intel Linux compiler (Peter)
> > Improve Linux startup scripts (Slawomir Sudnik, Darko Prenosil)
> > Add support for AMD Opteron and Itanium (Jeffrey W. Baker, Bruce)
> >
> >      _________________________________________________________________
> >
> > Contrib
> >
> > Change dbmirror license to BSD
> > Improve earthdistance (Bruno Wolff III)
> > Portability improvements to pgcrypto (Marko Kreen)
> > Prevent xml crash (John Gray, Michael Richards)
> > Upgrade oracle
> > Upgrade mysql
> > Update cube (Bruno Wolff III)
> > Update earthdistance to use cube (Bruno Wolff III)
> > Update btree_gist (Oleg)
> > Add hashes to tablefuncs (Joe)
> > New pg_autovacuum allows automatic VACUUM (Matthew T. O'Connor)
> > Allow pgbench to honor PGHOST, PGPORT, PGUSER env. variables (Tatsuo)
> > Improve intarray (Teodor Sigaev)
> > Improve pgstattuple (Rod)
> > Fix second argument to metaphone() in fullystrmatch
> > Add named persistent connections to dblink (Shridhar Daithanka)
> > Improve adddepend (Rod)
> > Update spi/timetravel (B?jthe Zolt?n)
> > Fix dbase -s option (Thomas Behr)
> 
> 
> 
> -- 
> Larry Rosenman                     http://www.lerctr.org/~ler
> Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
> US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
> 
> 

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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