Update release.sgml
This commit is contained in:
Bruce Momjian
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85736153ee
111
HISTORY
111
HISTORY
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@ -40,7 +40,7 @@ Detailed Change List
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Bug Fixes
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---------
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Prevent function calls with more than maximum number of arguments (Tom)
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Many fixes for CASE (Tom)
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Improve CASE construct (Tom)
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Fix SELECT coalesce(f1,0) FROM int4_tbl GROUP BY f1 (Tom)
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Fix SELECT sentence.words[0] FROM sentence GROUP BY sentence.words[0] (Tom)
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Fix GROUP BY scan bug (Tom)
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@ -51,8 +51,7 @@ Fix for subselects in INSERT ... SELECT (Tom)
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Prevent INSERT ... SELECT ... ORDER BY (Tom)
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Fixes for relations greater than 2GB, including vacuum
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Improve communication of system table changes to other running backends (Tom)
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Improve communication of user table modifications to other running backends (To
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m)
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Improve communication of user table modifications to other running backends (Tom)
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Fix handling of temp tables in complex situations (Bruce, Tom)
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Allow table locking when tables opened, improving concurrent reliability (Tom)
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Properly quote sequence names in pg_dump (Ross J. Reedstrom)
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@ -60,8 +59,7 @@ Prevent DESTROY DATABASE while others accessing
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Prevent any rows from being returned by GROUP BY if no rows processed (Tom)
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Fix SELECT COUNT(1) FROM table WHERE ...' if no rows matching WHERE (Tom)
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Fix pg_upgrade so it works for MVCC(Tom)
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Fix for SELECT ... WHERE x IN (SELECT ... HAVING SUM(x) > 1) (Tom)
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Make TABLE optional keyword in LOCK TABLE (Bruce)
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Fix for SELECT ... WHERE x IN (SELECT ... HAVING SUM(x) > 1) (Tom)
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Fix for "f1 datetime DEFAULT 'now'" (Tom)
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Fix problems with CURRENT_DATE used in DEFAULT (Tom)
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Allow comment-only lines, and ;;; lines too. (Tom)
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@ -99,37 +97,14 @@ Fix to allow SELECT 'a' LIKE 'a' (Tom)
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Fix for SELECT 1 + NULL (Tom)
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Fixes to CHAR
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Fix log() on numeric type (Tom)
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Depricate ':' and ';' operators
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Add TRUNCATE command to quickly truncate relation (Mike Mascari)
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Fix for views with tables/columns containing spaces (Tom)
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Prevent permissions on indexes (Peter E)
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Fix for spinlock stuck problem when error is generated (Hiroshi)
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Fix ipcclean on Linux
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Fix handling of NULL constraint conditions (Tom)
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Fix memory leak in odbc driver (Nick Gorham)
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Fix for permission check on UNION tables (Tom)
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Fix to allow SELECT 'a' LIKE 'a' (Tom)
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Fix for SELECT 1 + NULL (Tom)
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Fixes to CHAR
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Fix log() on numeriRemove ':' and ';' operators
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Add TRUNCATE command to quickly truncate relation (Mike Mascari)
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Fix for views with tables/columns containing spaces (Tom)
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Prevent permissions on indexes (Peter E)
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Fix for spinlock stuck problem when error is generated (Hiroshi)
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Fix ipcclean on Linux
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Fix handling of NULL constraint conditions (Tom)
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Fix memory leak in odbc driver (Nick Gorham)
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Fix for permission check on UNION tables (Tom)
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Fix to allow SELECT 'a' LIKE 'a' (Tom)
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Fix for SELECT 1 + NULL (Tom)
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Fixes to CHAR
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Fix log() on numeriRemove ':' and ';' operators
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Deprecate ':' and ';' operators
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Allow vacuum of temporary tables
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Enhancements
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------------
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New CLI interface include file sqlcli.h, based on SQL3/SQL98
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Remove all limits on query length, row length limit still exists (Tom)
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Update jdbc protocol to 2.0 (Jens Glaser jens@jens.de)
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Update jdbc protocol to 2.0 (<ulink url="mailto:jens@jens.de">Jens Glaser</ulink>)
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Add TRUNCATE command to quickly truncate relation (Mike Mascari)
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Fix to give super user and createdb user proper update catalog rights (Peter E)
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Allow ecpg bool variables to have NULL values (Christof)
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@ -137,22 +112,21 @@ Issue ecpg error if NULL value is returned to variable with no NULL
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indicator (Christof)
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Allow ^C to cancel COPY command (Massimo)
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Add SET FSYNC and SHOW PG_OPTIONS commands(Massimo)
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Improve CREATE FUNCTION to allow type conversion specification
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(Bernie Frankpitt)
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Function name overloading for dynamically-loaded C functions (Frankpitt)
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Add CmdTuples() to libpq++(Vince)
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New CREATE CONSTRAINT TRIGGER and SET CONSTRAINTS commands(Jan)
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Allow CREATE FUNCTION WITH clause to be used for all language types
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Allow CREATE FUNCTION/WITH clause to be used for all language types
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configure --enable-debug adds -g (Peter E)
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configure --disable-debug removes -g (Peter E)
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Allow more complex default expressions (Tom)
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First real FOREIGN KEY constraint trigger functionality (Jan)
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Add FOREIGN KEY ... MATCH FULL ... ON DELETE CASCADE (Jan)
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Add FOREIGN KEY ... MATCH referential actions (Don Baccus)
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Add FOREIGN KEY ... MATCH <unspecified> referential actions (Don Baccus)
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Allow WHERE restriction on ctid (physical heap location) (Hiroshi)
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Move pginterface from contrib to interface directory, rename to pgeasy (Bruce)
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Add DEC and SESSION_USER as reserved words
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Add DEC and SESSION_USER as reserved words (Thomas)
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Require SELECT DISTINCT target list to have all ORDER BY columns (Tom)
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Add Oracle's COMMENT ON command (Mike Mascari yahoo.
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Add Oracle's COMMENT ON command (<ulink url="mailto:mascarim@yahoo">Mike Mascari</ulink>)
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libpq's PQsetNoticeProcessor function now returns previous hook(Peter E)
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Prevent PQsetNoticeProcessor from being set to NULL (Peter E)
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Make USING in COPY optional (Bruce)
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@ -165,8 +139,8 @@ Added psql LASTOID variable to return last inserted oid (Peter E)
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Allow concurrent vacuum and remove pg_vlock vacuum lock file (Tom)
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Add permissions check so only Postgres superuser or table owner can
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vacuum (Peter E)
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New libpq functions to allow asynchronous connections: PQconnectStart(),
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PQconnectPoll(), PQresetStart(), PQresetPoll(), PQsetenvStart(),
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New libpq functions to allow asynchronous connections: PQconnectStart(),
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PQconnectPoll(), PQresetStart(), PQresetPoll(), PQsetenvStart(),
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PQsetenvPoll(), PQsetenvAbort (Ewan Mellor)
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New libpq PQsetenv() function (Ewan Mellor)
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create/alter user extension (Peter E)
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@ -184,25 +158,22 @@ Add CREATE/ALTER/DROP GROUP (Peter E)
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All administration scripts now support --long options (Peter E, Karel)
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Vacuumdb script now supports --all option (Peter E)
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ecpg new portable FETCH syntax
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Add ecpg EXEC SQL IFDEF, EXEC SQL IFNDEF, EXEC SQL ELSE, EXEC SQL ELIF
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and EXEC SQL ENDIF directives
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Add ecpg EXEC SQL IFDEF, EXEC SQL IFNDEF, EXEC SQL ELSE, EXEC SQL ELIF
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and EXEC SQL ENDIF directives
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Add pg_ctl script to control backend startup (Tatsuo)
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Add postmaster.opts.default file to store startup flags (Tatsuo)
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Allow --with-mb=SQL_ASCII
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Increase maximum number of index keys to 16 (Bruce)
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Increase maximum number of function arguments to 16 (Bruce)
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Allow user configuration of maximum number of index keys and arguments
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(Bruce)
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Allow configuration of maximum number of index keys and arguments (Bruce)
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Allow unprivileged users to change their passwords (Peter E)
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With password authentication enabled, new users without passwords can't
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connect (Peter E)
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Password authentication enabled; required for new users (Peter E)
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Disallow dropping a user who owns a database (Peter E)
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Change initdb option --with-mb to --enable-multibyte
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Add option for initdb to prompts for superuser password (Peter E)
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Allow complex type casts like col::numeric(9,2) and col::int2::float8 (Tom)
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Updated user interfaces on initdb, initlocation, pg_dump, ipcclean
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(Peter E)
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New pg_char_to_encoding() and pg_encoding_to_char() functions (Tatsuo
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Updated user interfaces on initdb, initlocation, pg_dump, ipcclean (Peter E)
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New pg_char_to_encoding() and pg_encoding_to_char() functions (Tatsuo)
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Libpq non-blocking mode (Alfred Perlstein)
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Improve conversion of types in casts that don't specify a length
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New plperl internal programming language (Mark Hollomon)
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@ -210,7 +181,7 @@ Allow COPY IN to read file that do not end with a newline (Tom)
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Indicate when long identifiers are truncated (Tom)
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Allow aggregates to use type equivalency (Peter E)
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Add Oracle's to_char(), to_date(), to_datetime(), to_timestamp(), to_number()
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conversion functions (Karel Zak zf.jcu.cz>)
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conversion functions (Karel Zak <zakkr@zf.jcu.cz>)
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Add SELECT DISTINCT ON (expr [, expr ...]) targetlist ... (Tom)
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Check to be sure ORDER BY is compatible with the DISTINCT operation (Tom)
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Add NUMERIC and int8 types to ODBC
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@ -218,13 +189,12 @@ Improve EXPLAIN results for Append, Group, Agg, Unique (Tom)
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Add ALTER TABLE ... ADD FOREIGN KEY (Stephan Szabo)
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Allow SELECT .. FOR UPDATE in PL/pgSQL (Hiroshi)
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Enable backward sequential scan even after reaching EOF (Hiroshi)
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Add btree indexing of boolean values, >= and <= (Don Baccus)
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Add btree indexing of boolean values, >= and <= (Don Baccus)
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Print current line number when COPY FROM fails (Massimo)
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Recognize special case of POSIX time zone: "GMT+8" and "GMT-8" (Thomas)
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Add DEC as synonym for "DECIMAL (Thomas)
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Add SESSION_USER as SQL92 keyword, same as CURRENT_USER (Thomas)
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Implement column aliases (aka correlation names) and more join syntax
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(Thomas)
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Implement column aliases (aka correlation names) and join syntax (Thomas)
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Allow queries like SELECT a FROM t1 tx (a) (Thomas)
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Allow queries like SELECT * FROM t1 NATURAL JOIN t2 (Thomas)
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Make INTERVAL reserved word allowed as a column identifier (Thomas)
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@ -241,10 +211,15 @@ New libpq functions PQsetClientEncoding(), PQclientEncoding() (Tatsuo)
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Add support for SJIS user defined characters (Tatsuo)
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Larger views/rules supported
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Make libpq's PQconndefaults() thread-safe (Tom)
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Disable // as comment to be ANSI conforming, should use --
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Disable // as comment to be ANSI conforming, should use -- (Tom)
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Allow column aliases on views CREATE VIEW name (collist)
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Fixes for views with subqueries (Tom)
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Allow UPDATE table SET fld = (SELECT ...) (Tom)
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SET command options no longer require quotes
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Update pgaccess to 0.98.5
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New SET SEED command
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New pg_options.sample file
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New SET FSYNC command (Massimo)
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Types
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-----
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@ -253,10 +228,10 @@ Allow bare column names to be subscripted as arrays (Tom)
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Improve type casting of int and float constants (Tom)
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Cleanups for int8 inputs, range checking, and type conversion (Tom)
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Fix for SELECT timespan('21:11:26'::time) (Tom)
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Fix for netmask('x.x.x.x/0') is 255.255.255.255 instead of 0.0.0.0
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(Oleg Sharoiko)
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Fix for netmask('x.x.x.x/0') is 255.255.255.255 instead of 0.0.0.0
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(Oleg Sharoiko)
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Add btree index on NUMERIC(Jan)
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Perl fix for large objects containing NUL characters (Douglas Thomson)
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Perl fix for large objects containing NUL characters (Douglas Thomson)
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ODBC fix for for large objects (free)
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Fix indexing of cidr data type
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Fix for Ethernet MAC addresses (macaddr type) comparisons
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@ -269,8 +244,8 @@ Make char_length()/octet_length including trailing blanks (Tom)
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Made abstime/reltime use int4 instead of time_t (Peter E)
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New lztext data type for compressed text fields
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Revise code to handle coercion of int and float constants (Tom)
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New C-routines to implement a BIT and BIT VARYING type in /contrib
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(Adriaan Joubert)
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New C-routines to implement a BIT and BIT VARYING type in /contrib
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(Adriaan Joubert)
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NUMERIC now accepts scientific notation (Tom)
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NUMERIC to int4 rounds (Tom)
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Convert float4/8 to NUMERIC properly (Tom)
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@ -287,7 +262,7 @@ Improved TRANSLATE() function
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Allow X=-Y operators (Tom)
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Add exp() and ln() as NUMERIC types
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Allow SELECT float8(COUNT(*)) / (SELECT COUNT(*) FROM int4_tbl) FROM int4_tbl
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GROUP BY f1; (Tom)
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GROUP BY f1; (Tom)
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Performance
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-----------
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@ -318,8 +293,7 @@ Improve pg_statistics management for VACUUM speed improvement (Tom)
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Flush backend cache less frequently (Tom, Hiroshi)
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COPY now reuses previous memory allocation, improving performance (Tom)
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Improve optimization cost estimation (Tom)
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Improve optimizer estimate of range queries x > lowbound AND x < highbound (Tom
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)
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Improve optimizer estimate of range queries x > lowbound AND x < highbound (Tom)
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Use DNF instead of CNF where appropriate (Tom, Taral)
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Further cleanup for OR-of-AND WHERE-clauses (Tom)
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Make use of index in OR clauses (x = 1 AND y = 2) OR (x = 2 AND y = 4) (Tom)
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@ -328,29 +302,30 @@ New SET variable to control optimizer costs (Tom)
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Optimizer queries based on LIMIT, OFFSET, and EXISTS qualifications (Tom)
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Reduce optimizer internal housekeeping of join paths for speedup (Tom)
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Major subquery speedup (Tom)
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Fewer fsync writes when fsync is not disabled(Tom)
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Improved LIKE optimizer estimates(Tom)
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Source Tree Changes
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-------------------
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Fix for linux PPC compile
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New generic expression-tree-walker subroutine (Tom)
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Change form() to varargform() to prevent portability problems.
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Improved range checking for large integers on Alpha's
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Improved range checking for large integers on Alphas
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Clean up #include in /include directory (Bruce)
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Add scripts for checking includes (Bruce)
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Remove un-needed #include's from *.c files (Bruce)
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Change #include's to use
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and "" as appropriate (Bruce)
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Change #include's to use <> and "" as appropriate (Bruce)
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Enable WIN32 compilation of libpq
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Alpha spinlock fix from Uncle George voicenet.com>
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Alpha spinlock fix from <ulink url="mailto:gatgul@voicenet.com">Uncle George</ulink>
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Overhaul of optimizer data structures (Tom)
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Fix to cygipc library (Yutaka Tanida)
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Allow pgsql to work on newer Cygwin snapshots(Dan)
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New catalog version number (Tom)
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Add Linux ARM.
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Rename heap_replace to heap_update
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Update for QNX (Kardos, Dr. Andreas)
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Update for QNX (Dr. Andreas Kardos)
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New platform-specific regression handling (Tom)
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Rename oid8 -> oidvector and int28 -> int2vector (Bruce)
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Rename oid8 -> oidvector and int28 -> int2vector (Bruce)
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Included all yacc and lex files into the distribution (Peter E.)
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Remove lextest, no longer needed (Peter E)
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Fix for libpq and psql on Win32 (Magnus)
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@ -359,7 +334,7 @@ Fix for plpgsql on BSDI
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Add SQL_ASCII test case to the regression test (Tatsuo)
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configure --with-mb now deprecated (Tatsuo)
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NT fixes
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NetBSD fixes Johnny C. Lam stat.cmu.edu>
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NetBSD fixes <ulink url="mailto:lamj@stat.cmu.edu">Johnny C. Lam</ulink>
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Fixes for Alpha compiles
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New multibyte encodings
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.42 2000/04/08 23:11:59 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.43 2000/04/18 14:55:27 momjian Exp $
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-->
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<chapter id="release">
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@ -173,6 +173,7 @@ Fix for SELECT 1 + NULL (Tom)
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Fixes to CHAR
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Fix log() on numeric type (Tom)
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Deprecate ':' and ';' operators
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Allow vacuum of temporary tables
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Enhancements
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------------
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@ -289,6 +290,11 @@ Disable // as comment to be ANSI conforming, should use -- (Tom)
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Allow column aliases on views CREATE VIEW name (collist)
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Fixes for views with subqueries (Tom)
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Allow UPDATE table SET fld = (SELECT ...) (Tom)
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SET command options no longer require quotes
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Update pgaccess to 0.98.5
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New SET SEED command
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New pg_options.sample file
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New SET FSYNC command (Massimo)
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Types
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-----
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@ -371,6 +377,8 @@ New SET variable to control optimizer costs (Tom)
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Optimizer queries based on LIMIT, OFFSET, and EXISTS qualifications (Tom)
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Reduce optimizer internal housekeeping of join paths for speedup (Tom)
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Major subquery speedup (Tom)
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Fewer fsync writes when fsync is not disabled(Tom)
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Improved LIKE optimizer estimates(Tom)
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Source Tree Changes
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-------------------
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