@@ -13,7 +13,7 @@ Allow IPv6 server connections (Nigel Kukard, Johan Jordaan, Bruce, Tom, Kurt
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Fix SSL to handle errors cleanly (Nathan Mueller)
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SSL protocol security and performance improvements (Sean Chittenden)
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Print lock information when a deadlock is detected (Tom)
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- Update /tmp socket files regularly to avoid their removal (Tom)
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+ Update /tmp socket mod. times regularly to avoid their removal (Tom)
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Enable PAM for MAC OS X (Aaron Hillegass)
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Make btree indexes fully WAL-safe (Tom)
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Allow btree index compaction and empty page reuse (Tom)
@@ -24,7 +24,7 @@ Set proper schema permissions in initdb (Peter)
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Add start time to pg_stat_activity (Neil)
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New code to detect corrupt disk pages; erase with zero_damaged_pages (Tom)
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New client/server protocol: faster, no username length limit, allow
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- clean exit
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+ clean exit from COPY (Tom)
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Add transaction status, tableid, columnid to backend protocol (Tom)
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Add new binary I/O protocol (Tom)
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Remove autocommit server setting; move to client applications (Tom)
@@ -45,8 +45,8 @@ Allow IN/NOT IN to be handled via hash tables (Tom)
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Improve NOT IN (subquery) performance (Tom)
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Allow most IN subqueries to be processed as joins (Tom)
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Allow the postmaster to preload libraries using preload_libraries (Joe)
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- Improve reverse index scan performance (Tom)
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Improve optimizer cost computations, particularly for subqueries (Tom)
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+ Avoid sort when subquery ORDER BY matches upper query (Tom)
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Assume WHERE a.x = b.y and b.y = 42 also means a.x = 42 (Tom)
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Allow hash/merge joins on complex joins (Tom)
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Allow hash joins for more data types (Tom)
@@ -76,11 +76,10 @@ Add ability to print only slow statements using log_min_duration_statement
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Allow pg_hba.conf to accept netmasks in CIDR format (Andrew Dunstan)
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New is_superuser read-only variable (Tom)
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New server-side parameter log_error_verbosity to control error detail (Tom)
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- postgres --help-config now dumps server config variables (Tom )
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+ postgres --help-config now dumps server config variables (Aizaz Ahmed )
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Make default shared_buffers 1000 and max_connections 100, if possible (Tom)
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Add new columns in pg_settings: context, type, source , min_val, max_val (Joe)
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- Prevent assign_session_authorization() from being confused by
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- all-numeric user names (Tom)
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+ New pg_hba.conf 'hostnossl' to prevent SSL connections (Jon Jensen)
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@@ -90,15 +89,15 @@ New SQL-standard information schema (Peter)
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Add read-only transactions (Peter)
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Add server variable regex_flavor to control regular expression
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processing (Tom)
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- Allow ORDER BY in FROM subqueries to be honored by outer queries (Tom)
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- Print key name in foreign-key violation messages (Dmitry Tkach)
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+ Print key name and value in foreign-key violation messages (Dmitry Tkach)
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Allow users to see their own queries in pg_stat_activity (Kevin Brown)
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- Allow subquery aggregates to reference upper query columns (?) (Tom)
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+ Fix subquery aggregates of upper query columns to match SQL spec. (Tom)
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Add option to prevent auto-addition of tables referenced in query (Nigel J.
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Andrews)
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Allow dollar signs in identifiers, except as first character (Tom)
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Allow UPDATE ... SET col = DEFAULT (Rod)
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Allow expressions to be used in LIMIT/OFFSET (Tom)
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+ Change EXECUTE INTO to CREATE TABLE AS EXECUTE (Peter)
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_________________________________________________________________
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@@ -109,19 +108,16 @@ Add FOR EACH STATEMENT statement-level triggers (Neil Conway)
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Add DOMAIN CHECK constraints (Rod)
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Add ALTER DOMAIN .. SET / DROP NOT NULL, SET / DROP DEFAULT, ADD / DROP
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CONSTRAINT (Rod)
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- Allow zero-column tables (Tom)
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+ Fix several zero-column table bugs (Tom)
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Have ALTER TABLE ... ADD PRIMARY KEY add NOT NULL constraint (Rod)
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Add ALTER DOMAIN OWNER (Rod)
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- Add pg_trigger.tgenabled to disable triggers? (Neil)
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Add ALTER TABLE ... WITHOUT OIDS? (Rod)
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- Have parser honor foreign-key constraints if created via ALTER TABLE ADD
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- COLUMN? (Tom)
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Add ALTER SEQUENCE to modify min/max/increment/cache/cycle values (Rod)
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Add ALTER TABLE ... CLUSTER ON (Alvaro Herrera)
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- Improve DOMAIN automatic type casting (Tom)
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- Disallow dollar signs in operator names (Tom)
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+ Improve DOMAIN automatic type casting (Rod, Tom)
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+ Disallow dollar signs in operator names, so x=$1 works (Tom)
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Allow SQL200X inheritance syntax LIKE <subtable>, INCLUDING DEFAULTS? (Rod)
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- Object owners can allow grantees to grant privilege to others?
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+ Add WITH GRANT OPTION clause to GRANT, per SQL spec (Peter)
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@@ -133,19 +129,19 @@ Make MOVE/FETCH 0 actually move/fetch 0 (Bruce)
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Cause FETCH 1 to return the current cursor row, or zero if at
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beginning/end of cursor, per SQL spec (Bruce)
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Have MOVE return 0 or 1 depending on cursor position (Bruce)
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- Properly handle SCROLL with cursors, or report an error (Tom )
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+ Properly handle SCROLL with cursors, or report an error (Neil )
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Implement SQL92-compatible FIRST, LAST, ABSOLUTE n, RELATIVE n options
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for FETCH and MOVE (Tom)
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Allow EXPLAIN on DECLARE CURSOR (Tom)
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Allow CLUSTER to use index marked as pre-clustered by default (Alvaro Herrera)
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- Allow CLUSTER without tablename clusters all tables (Alvaro Herrera)
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+ Allow CLUSTER to cluster all tables (Alvaro Herrera)
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Prevent CLUSTER on partial indexes (Tom)
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Allow \r and \r\n termination for COPY files (Bruce)
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Disallow literal carriage return as a data value, backslash-carriage-return
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and \r still allowed (Bruce)
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COPY changes (binary, \.)? (Tom)
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Recover from COPY IN/OUT failure cleanly (Tom)
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- Reduce memory used by COPY (Tom)
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+ Prevent possible memory leaks in COPY (Tom)
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Make TRUNCATE transaction-safe (Rod)
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Multiple pg_dump fixes, including tar format and large objects
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Allow pg_dump to dump specific schemas (Neil)
@@ -154,6 +150,7 @@ Allow pg_dump to preserve CLUSTER characteristics (Christopher)
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Have pg_dumpall use GRANT/REVOKE to dump database-level permissions (Tom)
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Allow pg_dumpall to support the -a, -s, -x options of pg_dump (Tom)
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Prevent pg_dump from lowercasing identifiers specified on the command line (Tom)
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+ Allow PREPARE/bind of utility commands like FETCH and EXPLAIN (Tom)
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Allow EXPLAIN EXECUTE (Neil)
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Allow pg_get_constraintdef() to support UNIQUE, PRIMARY KEY and
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CHECK constraints (Christopher)
@@ -162,7 +159,7 @@ Allow pg_ctl to better handle non-standard ports (Greg)
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Functional indexes now support indexes on column expressions (Tom)
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Syntax errors now reported as 'syntax error' rather than 'parse error' (Tom)
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Have SHOW TRANSACTION_ISOLATION match input to SET TRANSACTION_ISOLATION (Tom)
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- Have COMMENT ON DATABASE on non-local database generate a warning (Tom)
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+ Have COMMENT ON DATABASE on non-local database generate a warning
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@@ -178,24 +175,23 @@ Change EXTRACT(EPOCH FROM timestamp) so timestamp without time zone
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is assumed to be in local time, not GMT (Tom)
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Trap division by zero in case the operating system doesn't prevent it (Tom)
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Change the NUMERIC data type internally to base 10000 (Tom)
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- New hostmast () function (Greg Wickham)
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+ New hostmask () function (Greg Wickham)
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Fixes for to_char() (Karel)
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Allow functions that can take any argument data type and return
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any data type, using ANYELEMENT and ANYARRAY (Joe)
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Arrays may now be specified as ARRAY[1,2,3], ARRAY[['a','b'],['c','d']],
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or ARRAY[ARRAY[ARRAY[2]]] (Joe)
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Allow proper comparisons for arrays (Joe)
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+ Allow array concatenation with '||' (Joe)
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Allow indexes on array columns, and used in ORDER BY and DISTINCT (Joe)
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Allow WHERE qualification 'expr <oper> ANY/SOME/ALL (array-expr)' (Joe)
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- Allow polymorphic SQL functions (Tom, Joe)
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- Allow array concatenation with '||' and normal array comparisons (Joe)
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+ Allow polymorphic SQL functions (Joe)
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New array functions array_append(), array_cat(), array_lower(),
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array_prepend(), array_to_string(), array_upper(), string_to_array() (Joe)
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Allow user defined aggregates to use polymorphic functions (Joe)
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Allow polymorphic user defined aggregates (Joe)
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Allow assignments to empty arrays (Joe)
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Allow 60 in seconds fields of timestamp, time, interval input values (Tom)
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- Allow PREPARE/bind of utility commands like FETCH and EXPLAIN (Tom)
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Allow CIDR data type to be cast to text (Tom)
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Allow the creation of special LIKE indexes for non-C locales (Peter)
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Disallow invalid timezone names (Tom)
@@ -209,29 +205,28 @@ Make EXTRACT(TIMEZONE) and SET/SHOW TIMEZONE follow the SQL convention
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for the sign of timezone offsets, ie, positive is east from UTC (Tom)
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Fix date_trunc('quarter',...) (B?jthe Zolt?n)
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Make initcap() more compatible with Oracle (Mike Nolan)
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- Honor only DateStyle setting for date entry without a four-digit year (Greg)
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+ Allow only DateStyle field order for date values not in ISO format (Greg)
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Add new DateStyle values MDY, DMY, and YMD, honor US and European for
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backward compatibility (Tom)
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- 'now' will no longer work as a default, use now() (change required for prepared
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- statements) (Tom)
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- Assume NaN value to be larger than any other value in comparisons (Tom)
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+ 'now' will no longer work as a column default, use now() (change required for
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+ prepared statements) (Tom)
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+ Assume NaN value to be larger than any other value in MIN()/MAX() (Tom)
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Prevent interval from supressing ':00' seconds display
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_________________________________________________________________
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Server-side Languages
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- Prevent PL/pgSQL crash when RETURN NEXT is used on a zero-row record (Tom)
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+ Prevent PL/pgSQL crash when RETURN NEXT is used on a zero-row record var. (Tom)
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Make PL/python's spi_execute interface handle NULLs properly (Andrew Bosma)
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Allow PL/pgSQL to declare variables of composite types without %ROWTYPE (Tom)
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Fix PL/python _quote() function to handle big integers (?)
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Make PL/python an untrusted language, now called plpythonu (Kevin Jacobs, Tom)
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- Change PL/pgSQL EXECUTE INTO to CREATE TABLE AS EXECUTE? (Peter)
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Allow polymorphic PL/pgSQL functions (Tom, Joe)
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Improved compiled function caching mechanism in PL/pgSQL with full
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- support for polymorphism (Tom, Joe)
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+ support for polymorphism (Joe)
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Add new $0 parameter in PL/pgSQL representing the function's actual
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- return type (Tom, Joe)
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+ return type (Joe)
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@@ -245,8 +240,8 @@ Add schema, cast, and conversion backslash commands (Christopher)
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Save edit history into readline history (Ross)
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Improve \d display (Christopher)
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Enhance HTML mode to be more standards-compliant (Greg)
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- New '\set autocommit off' capability (Tom)
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- New '\set verbosity ' to control error detail (Tom)
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+ New '\set AUTOCOMMIT off' capability (Tom)
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+ New '\set VERBOSITY ' to control error detail (Tom)
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New %T prompt string to show transaction status (Tom)
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@@ -295,8 +290,8 @@ Improved PPC locking primitive (Reinhard Max)
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Embed LD_LIBRARY_PATH used for build process into binaries (Billy)
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New palloc0 to allocate and clear memory (Bruce)
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Fix locking code for s390x CPU (64-bit) (Tom)
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- Allow OpenBSD to use local indent credentials (William Ahern)
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- Allow read-only query plans (Tom)
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+ Allow OpenBSD to use local ident credentials (William Ahern)
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+ Make query plan trees read-only to executor (Tom)
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Add Darwin startup scripts (David Wheeler)
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Allow libpq to compile with Borland C++ compiler (Lester Godwin, Karl Waclawek)
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Use our own version of getopt_long() if needed (Peter)
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