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Diffstat (limited to 'HISTORY')
| -rw-r--r-- | HISTORY | 163 |
1 files changed, 163 insertions, 0 deletions
@@ -1,3 +1,166 @@ +PostgreSQL 6.3 Sun Feb 1 14:57:30 EST 1998 +------------------------------------------------------------- + +A dump/restore is required for those wishing to migrate data from +previous releases of PostgreSQL. + +CHANGES IN THE 6.3 RELEASE +-------------------------- + +Bug Fixes +--------- +Fix binary cursors broken by MOVE implementation(Vadim) +Fix for tcl library crash(Jan) +Fix for array handling, from Gerhard Hintermayer +Fix acl error, and remove duplicate pqtrace(Bruce) +Fix psql \e for empty file(Bruce) +Fix for textcat on varchar() fields(Bruce) +Fix for DBT Sendproc (Zeugswetter Andres) +Fix vacuum analyze syntax problem(Bruce) +Fix for international identifiers(Tatsuo) +Fix aggregates on inherited tables(Bruce) +Fix substr() for out-of-bounds data +Fix for select 1=1 or 2=2, select 1=1 and 2=2, and select sum(2+2)(Bruce) +Fix notty output to show status result. -q option still turns it off(Bruce) +Fix for count(*), aggs with views and multiple tables and sum(3)(Bruce) +Fix cluster(Bruce) +Fix for PQtrace start/stop several times(Bruce) +Fix a variety of locking problems like newer lock waiters getting + lock before older waiters, and having readlock people not share + locks if a writer is waiting for a lock, and waiting writers not + getting priority over waiting readers(Bruce) +Fix crashes in psql when executing queries from external files(James) +Fix problem with multiple order by columns, with the first one having + NULL values(Jeroen) +Use correct hash table support functions for float8 and int4(Thomas) +Re-enable JOIN= option in CREATE OPERATOR statement (Thomas) +Change precedence for boolean operators to match expected behavior(Thomas) +Generate elog(ERROR) on over-large integer(Bruce) +Allow multiple-argument functions in constraint clauses(Thomas) +Check boolean input literals for 'true','false','yes','no','1','0' + and throw elog(ERROR) if unrecognized(Thomas) + + +Enhancements +------------ +Real deadlock detection, no more timeouts(Bruce) +<NOT DONE YET> Subselects with EXISTS, IN, ALL, ANY keywords (Vadim, Bruce, Thomas) +Add SQL92 "constants" CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP, + CURRENT_USER(Thomas) +Speedup by inlining some frequently-called functions +Modify constraint syntax to be SQL92-compliant(Thomas) +Implement SQL92 PRIMARY KEY and UNIQUE clauses using indices(Thomas) +Recognize SQL92 syntax for FOREIGN KEY. Throw elog notice(Thomas) +Allow NOT NULL UNIQUE constraint clause (each allowed separately before)(Thomas) +Allow Postgres-style casting ("::") of non-constants(Thomas) +Add support for SQL3 TRUE and FALSE boolean constants(Thomas) +Support SQL92 syntax for IS TRUE/IS FALSE/IS NOT TRUE/IS NOT FALSE(Thomas) +Allow shorter strings for boolean literals (e.g. "t", "tr", "tru")(Thomas) +Allow SQL92 delimited identifiers(Thomas) +Implement SQL92 binary and hexadecimal string decoding (b'10' and x'1F')(Thomas) +Support SQL92 syntax for type coercion of literal strings + (e.g. "DATETIME 'now'")(Thomas) +Add conversions for int2, int4, and OID types to and from text(Thomas) +Use shared lock when building indices(Vadim) +Free memory allocated for an user query inside transaction block after + this query is done, was turned off in <= 6.2.1(Vadim) +New SQL statement CREATE PROCEDURAL LANGUAGE(Jan) +New PostgreSQL Procedural Language (PL) backend interface(Jan) +Rename pg_dump -H option to -h(Bruce) +Add Java support for passwords, European dates(Peter) +Use indices for LIKE and ~, !~ operations(Bruce) +Add hash functions for datetime and timespan(Thomas) +Time Travel removed(Vadim, Bruce) +Add paging for \d and \z, and fix \i(Bruce) +Add Unix domain socket support to backend and to frontend library(Goran) +Implement CREATE DATABASE/WITH LOCATION and initlocation utility(Thomas) +Allow more SQL92 and/or Postgres reserved words as column identifiers(Thomas) +Augment support for SQL92 SET TIME ZONE...(Thomas) +SET/SHOW/RESET TIME ZONE uses TZ backend environment variable(Thomas) +Implement SET keyword = DEFAULT and SET TIME ZONE DEFAULT(Thomas) +Enable SET TIME ZONE using TZ environment variable(Thomas) +Add PGDATESTYLE environment variable to frontend and backend initialization(Thomas) +Add PGTZ, PGCOSTHEAP, PGCOSTINDEX, PGRPLANS, PGGEQO + frontend library initialization environment variables(Thomas) +Regression tests time zone automatically set with "setenv PGTZ PST8PDT"(Thomas) +Add pg_description table for info on tables, columns, operators, types, and + aggregates(Bruce) +Increase 16 char limit on system table/index names to 32 characters(Bruce) +Rename system indices(Bruce) +Add 'GERMAN' option to SET DATESTYLE(Thomas) +Define an "ISO-style" timespan output format with "hh:mm:ss" fields(Thomas) +Allow fractional values for delta times (e.g. '2.5 days')(Thomas) +Validate numeric input more carefully for delta times(Thomas) +Implement day of year as possible input to date_part()(Thomas) +Define timespan_finite() and text_timespan() functions(Thomas) +Remove archive stuff(Bruce) +Allow for a pg_password authentication database that is separate from + the system password file(Todd) +Dump ACLs, GRANT, REVOKE permissions(Matt) +Define text, varchar, and bpchar string length functions(Thomas) +Fix Query handling for inheritance, and cost computations(Bruce) +Implement CREATE TABLE/AS SELECT (alternative to SELECT/INTO)(Thomas) +Allow NOT, IS NULL, IS NOT NULL in constraints(Thomas) +Implement UNIONs for SELECT(Bruce) +Add UNION, GROUP, DISTINCT to INSERT(Bruce) +varchar() stores only necessary bytes on disk(Bruce) +Fix for BLOBs(Peter) +Mega-Patch for JDBC...see README_6.3 for list of changes(Peter) +Allow installation data block size and max tuple size configuration(Darren) +Remove unused "option" from PQconnectdb() +New LOCK command and lock manual page describing deadlocks(Bruce) +Add new psql \da, \dd, \df, \do, \dS, and \dT commands(Bruce) +Enhance psql \z to show sequences(Bruce) +Show NOT NULL and DEFAULT in psql \d table(Bruce) +New psql .psqlrc file startup(Andrew) +Modify sample startup script in contrib/linux to show syslog(Thomas) +New types for IP and MAC addresses in contrib/ip_and_mac(TomH) +Unix system time conversions with date/time types in contrib/unixdate(Thomas) +Update of contrib stuff(Massimo) +Add Unix socket support to DBD::Pg(Goran) +New python interface (PyGreSQL 2.0)(D'Arcy) +New frontend/backend protocol has a version number, network byte order(Phil) +Security features in pg_hba.conf enhanced and documented, many cleanups(Phil) +New HTML and Postscript documentation(Thomas) + + +Source Tree Changes +------------------- +Add new html development tools, and flow chart in /tools/backend +Fix for SCO compiles +Stratus computer port "Gillies, Robert" <GilliesR@Nichols.com> +Added support for shlib for BSD44_derived & i386_solaris +Make configure more automated(Brook) +Add script to check regression test results +Break parser functions into smaller files, group together(Bruce) +Rename heap_create to heap_create_and_catalog, rename heap_creatr + to heap_create()(Bruce) +Sparc/Linux patch for locking(TomS) +Remove PORTNAME and reorganize port-specific stuff(Marc) +Add optimizer README file(Bruce) +Remove some recursion in optimizer and clean up some code there(Bruce) +Fix for NetBSD locking(Henry) +Fix for libptcl make(Tatsuo) +AIX patch(Darren) +Change IS TRUE, IS FALSE, ... to expressions using "=" rather than + function calls to istrue() or isfalse() to allow optimization(Thomas) +Various fixes NetBSD/Sparc related(TomH) +Alpha linux locking(Travis,Ryan) +Change elog(WARN) to elog(ERROR)(Bruce) +FAQ for FreeBSD(Marc) +Bring in the PostODBC source tree as part of our standard distribution(Marc) +A minor patch for HP/UX 10 vs 9(Stan) +New pg_attribute.atttypmod for type-specific info like varchar length(Bruce) +Unixware patches(Billy) +New i386 'lock' for spin lock asm(Billy) +Support for multiplexed backends is removed +Start an OpenBSD port +Start an AUX port +Start a Cygnus port +Add string functions to regression suite(Thomas) +Expand a few function names formerly truncated to 16 characters(Thomas) + + PostgreSQL 6.2.1 Fri Oct 17 00:01:27 EDT 1997 ------------------------------------------------------------- |