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@ -1,3 +1,216 @@ |
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------------------------------------------------------------------------ |
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Release 7.2 |
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------------------------------------------------------------------------ |
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Release 7.2 (2001-??-??) |
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This release improved PostgreSQL for use in high volume applications. |
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Major changes in this release: |
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VACUUM - VACUUM no longer locks tables, allowing normal user |
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access during the VACUUM. A new VACUUM FULL command does old-style |
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vacuum by locking the table and shrinking the on-disk copy of the table. |
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Security - A new MD5 encryption option allows much more secure |
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storage and transfer of passwords. A new unix-domain socket |
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authentication option is available on Linux and *BSD systems. |
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Statistics - Administrators can use the new table access |
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statistics module to get fine-grained information about table and index |
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usage. |
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Migration to 7.1 |
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A dump/restore using pg_dump is required for those wishing to migrate |
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data from any previous release. |
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AS OF 2001-09-13 |
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Bug Fixes |
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--------- |
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Prevent unadorned relations names in target list (Bruce) |
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Change UPDATE, DELETE permissions to be distinct (Peter E) |
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PLpgSQL fix for SELECT... FOR UPDATE (Tom) |
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Fix for PL/pgSQL PERFORM returning multiple rows (Tom) |
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Fix for inherited CHECK constraints (Stephan Szabo) |
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Fix bug in permission modifications in newly created table (Tom) |
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Disallow access to pg_statistic for non-super user (Tom) |
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Fix SERIAL in temporary tables (Bruce) |
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Fire INSERT rules after statement (Jan) |
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Fix INITIALLY DEFERRED bug in ecpg |
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Remove VACUUM warning about index tuples fewer than heap (Martijn van Oosterhout) |
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Disable COPY TO/FROM on views (Bruce) |
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Fix problem with LIMIT and subqueries (Tom) |
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Fix for LIMIT, DISTINCT ON pushed into subqueryies (Tom) |
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PL/pgSQL memory leak fix (Jan, Tom) |
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Fix nested EXCEPT/INTERSECT (Tom) |
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Python fix fetchone() (Gerhard Häring) |
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ECPG fixes (Michael, Christof Petig) |
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Enhancements |
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------------ |
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VACUUM now does not lock table (Tom) |
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New VACUUM FULL to force reclaimation of disk space (Tom) |
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Statistical collector for table, index access (Jan) |
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SPI portal creation of prepared/saved plans (Jan) |
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PL/pgSQL uses portals for SELECT loops allowing huge result sets (Jan) |
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PL/pgSQL CURSOR and REFCURSOR support (Jan) |
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PL/pgSQL can now return open cursors (Jan) |
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Add ELSEIF to PL/pgSQL (Klaus Reger) |
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New REFERENCES, TRIGGER privileges (Peter E) |
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Have psql \d display indexes in unique, primary groupings (Christopher Kings-Lynne) |
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Improve PL/pgSQL error reporting (Tom) |
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Add DROP CONSTRAINT for CHECK constraints (Christopher Kings-Lynne) |
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PL/pgSQL Allow IS and FOR in cursors (Bruce) |
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Native language error messages, psql, pg_dump, libpq, configure --enable-nls (Peter E) |
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Allow NULL to appear at beginning/end based on ORDER BY (Tom) |
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Add %TYPE capability to CREATE TYPE (Ian Lance Taylor) |
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Truncate extra-long sequence names to a reasonable value (Tom) |
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Add RESET ALL, SHOW ALL (Marko Kreen) |
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Allow GRANT/REVOKE to/from with more than one user (Peter E) |
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New has_table_privilege() function (Joe Conway) |
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Allow non-super user to vacuum database (Tom) |
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New Australian timezone GUC setting (Bruce) |
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Untrusted PlPerl (Alex Pilosov) |
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New IS UNKNOWN, IS NOT UNKNOWN boolean tests (Tom) |
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Fork postmaster before doing authentication to prevent hangs (Peter E) |
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Add Temporary sequences (Bruce) |
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New GUC set default isolation level (Peter E) |
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New SHARE UPDATE EXCLUSIVE lock mode (Tom) |
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CREATE/ALTER USER/GROUP now allows options in any order (Vince) |
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New encode() function installed by default (Marko Kreen) |
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Enable partial indexes (Martijn van Oosterhout) |
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Add unix domain socket user authentication in Linux, *BSD (Helge Bahmann, Oliver Elphick, Teodor Sigaev, Bruce) |
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Pltcl add spi_lastoid capability (bob@redivi.com) |
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Add LOCK A,B,C functionality(Neil Padgett) |
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Make OID's optional using WITHOUT OIDS (Tom) |
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Allow column renaming in views |
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SUM(), AVG(), COUNT() now uses int8 internally for speed (Tom) |
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Add convert(), convert2() (Tatsuo) |
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Add MD5 encryption (Bruce) |
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Allow encryption of stored passwords using MD5 (Bruce) |
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Greater randomization of encryption keys using MD5 (Bruce) |
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New ENCRYPTED/UNENCRYPTED option to CREATE/ALTER USER (Bruce) |
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Sequences now use int8 internally (Tom) |
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New SERIAL8 creates int8 columns with sequences, default still SERIAL4 (Tom) |
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New option to output SET SESSION AUTHORIZATION commands (Peter E) |
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Add automatic return type data casting for SQL functions (Tom) |
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Allow safe transaction id wraparound (Tom) |
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Use UTF, Unicode in TCL where appropriate (Vsevolod Lobko, Reinhard Max) |
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Improved to_*() conversion functions (Karel Zak) |
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PAM authentication (Dominic J. Eidson) |
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Fix TCL COPY TO/FROM (ljb) |
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Allow ALTER TABLE ADD UNIQUE (Christopher Kings-Lynne) |
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Super-user id now defaults to 1 (Peter E) |
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Reject invalid multibyte character sequences (Tatsuo) |
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New libpq PQescapeString() function to escape query strings (Florian Weimer) |
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Types |
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CHAR(n)/VARCHAR(n) represents letters, not bytes (Tatsuo) |
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CHAR(), VARCHAR() now returns error on storage of too long string (Peter E) |
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BIT, BIT VARYING now returns error on too long input (Peter E) |
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New function bit_length() (Peter E) |
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inet, cidr text conversion functions (Alex Pilosov) |
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inet, cidr operators << and <<= indexable (Alex Pilosov) |
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Bytea comparison improvements (Joe Conway) |
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Performance |
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Optimizer improvements (Tom) |
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New histogram column statistics for optimizer (Tom) |
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Reuse write-ahead log files rather than discarding them (Tom) |
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Cache improvements (Tom) |
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IS NULL, IS NOT NULL optimizer improvement (Tom) |
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Load pg_hba.conf only on startup and SIGHUP (Bruce) |
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Interfaces |
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JDBC |
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return oid of INSERT (Ken K) |
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hande more data types (Ken K) |
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handle single quotes and newlines in strings (Ken K) |
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handle NULL variables (Ken K) |
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fix for timezone handling (Barry Lind) |
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Improved Druid support |
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Allow eight-bit characters with non-multibyte server (Barry Lind) |
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support BIT, BINARY types (Ned Wolpert) |
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reduce memory usage (Michael Stephens, Dave Cramer) |
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update DatabaseMetaData (Peter E) |
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add DatabaseMetaData.getCatalogs() (Peter E) |
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encoding fixes (Anders Bengtsson) |
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get/setCatalog methods (Jason Davies) |
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DatabaseMetaData.getColumns() now returns column defaults (Jason Davies) |
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jdbc1 and jdbc2 merging (Anders Bengtsson) |
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transaction performance improvements (Barry Lind) |
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array fixes (Greg Zoller) |
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Serialize addition |
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fix batch processing (Ren? Pijlman) |
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ExecSQL method reorganization (Anders Bengtsson) |
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getColumn() fixes (Jeroen van Vianen) |
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fix isWriteable() function (Ren? Pijlman) |
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Improved passage of jdbc2 conformance tests (Ren? Pijlman) |
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Add bytea type capability (Barry Lind) |
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ODBC |
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remove query limit (Hiroshi) |
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remove text field size limit (Hiroshi) |
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fix for SQLPrimaryKeys() (Hiroshi) |
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procedure calls (Hiroshi) |
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FETCH first fix (Aidan Mountford) |
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updatable cursors (Hiroshi) |
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Most configure options on setable via DSN (Hiroshi) |
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multibyte, performance fixes (Hiroshi) |
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Source Code |
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Configure, dynamic loader, and shared library fixes (Peter E) |
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Watcom fixes (Bernd Tegge) |
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QNX fixes |
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Cygwin, Win32 server fixes (Jason Tishler) |
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Cygwin, Win32 fixes for TCL, perl, Python, PlPython, psql, libpq, libpq++ (Jason Tishler, Gerhard H?ring, Dmitry Yurtaev, Darko Prenosil, Mikhail Terekhov) |
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Remove SEP_CHAR (Bruce) |
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GIST index improvements (Oleg Bartunov, Teodor Sigaev, Tom) |
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New contrib/rtree_gist ((Oleg Bartunov, Teodor Sigaev) |
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Create temporary files into a separate directory (Bruce) |
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Delete orphanded temporary files on postmaster startup (Bruce) |
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Add unique index to some system tables (Tom) |
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New GUC hooks (Tom) |
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Add /contrib/dblink for remote database access (Joe Conway) |
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/contrib/ora2pg Oracle conversion utility (Gilles Darold) |
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Merge GUC and command line handling (Marko Kreen) |
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Remove EXTEND INDEX (Martijn van Oosterhout, Tom) |
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/contrib/xml XML conversion utility (John Gray) |
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Correct description of translate() function (Bruce) |
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/contrib/fulltextindex fixes (Christopher Kings-Lynne) |
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Fix for Win32 socket communication failures (Magnus, Mikhail Terekhov) |
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/contrib/intarray fixes (Oleg Bartunov) |
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Hurd compile fix (Oliver Elphick) |
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New /contrib/fuzzystrmatch with lievnshtein and metaphone, soundex merged (Joe Conway) |
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Beos fixes (Cyril VELTER) |
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Remove OID's from some system tables (Tom) |
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/contrib/pgcrypto improvements (Marko Kreen) |
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System table operator reorganization (Oleg Bartunov, Teodor Sigaev, Tom) |
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Rename config.h to pg_config.h (Peter E) |
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pg_log now pg_clog (Tom) |
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PL/Perl compile fixes (Peter E) |
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PL/Python now builds by default on some platforms (Peter E) |
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Remove define of true/false when compiling under C++ (Leandro Fanzone, Tom) |
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Client header reorganization (Peter E) |
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Please SQL language manual pages into OS-specific directories (Peter E) |
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Better cleanup for semaphore resource failure (Tatsuo, Tom) |
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Remove compile-time limit on number of backends (Tom) |
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Enable SIGTERM, SIGQUIT to kill backends (Jan) |
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New pgjindent utility to indent java code (Bruce) |
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------------------------------------------------------------------------ |
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Release 7.1.3 |
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------------------------------------------------------------------------ |
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Bruce Momjian
25 years ago