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@ -1,13 +1,13 @@
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TODO list for PostgreSQL
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TODO list for PostgreSQL
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========================
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========================
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Last updated: Sat Nov 2 00:41:54 EST 2002
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Last updated: Tue Nov 12 21:10:17 EST 2002
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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The most recent version of this document can be viewed at
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The most recent version of this document can be viewed at
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the PostgreSQL web site, http://www.PostgreSQL.org.
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the PostgreSQL web site, http://www.PostgreSQL.org.
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A dash (-) marks changes that will appear in the upcoming 7.3 release.
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A dash (-) marks changes that will appear in the upcoming 7.4 release.
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Bracketed items "[]" have more detailed.
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Bracketed items "[]" have more detailed.
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@ -35,39 +35,19 @@ Reporting
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number, not just messages (Peter E)
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number, not just messages (Peter E)
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* Add error codes (Peter E)
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* Add error codes (Peter E)
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* Make error messages more consistent [error]
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* Make error messages more consistent [error]
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* -Change DEBUG startup tag to LOG (Bruce)
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* Show location of syntax error in query [yacc]
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* Show location of syntax error in query [yacc]
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* -Add pg_backend_pid() function to backend
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* -Allow logging of query durations
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Permissions
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===========
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* -Improve control over user privileges, including table creation
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* -Allow user/group names to be specified directly in pg_hba.conf (Bruce)
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* -Add ~/.pgpass to store passwords with user/host/password combinations
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* -Allow permissions for functions (Peter E)
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* -Allow object creation to be disabled for specific users
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Administration
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Administration
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==============
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==============
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* Incremental backups
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* Incremental backups
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* -Make it easier to create a database owned by someone who can't createdb,
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perhaps CREATE DATABASE dbname WITH OWNER = "user" (Gavin)
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* -Make equals sign optional in CREATE DATABASE WITH param = 'val'
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* Remove unreferenced table files and temp tables during database vacuum
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* Remove unreferenced table files and temp tables during database vacuum
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or postmaster startup (Bruce)
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or postmaster startup (Bruce)
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* Remove behavior of postmaster -o after making postmaster/postgres
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* Remove behavior of postmaster -o after making postmaster/postgres
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flags unique
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flags unique
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* -Prevent SIGHUP and 'pg_ctl reload' from changing command line
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specified parameters to postgresql.conf defaults (Peter E)
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* Allow easy display of usernames in a group
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* Allow easy display of usernames in a group
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* Allow configuration files to be specified in a different directory
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* Allow configuration files to be specified in a different directory
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* -Reserve last few process slots for super-user if max_connections reached
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* -Add GUC parameter to print queries that generate errors
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* Add start time to pg_stat_activity
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* Add start time to pg_stat_activity
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* Allow limits on per-db/user connections
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* Allow limits on per-db/user connections
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* Have standalone backend read postgresql.conf
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* Have standalone backend read postgresql.conf
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@ -76,32 +56,23 @@ Administration
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Data Types
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Data Types
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==========
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==========
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* -Add domain capability (Rod Taylor)
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* Add IPv6 capability to INET/CIDR types
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* Add IPv6 capability to INET/CIDR types
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* Remove Money type, add money formatting for decimal type
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* Remove Money type, add money formatting for decimal type
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* -SELECT cash_out(2) crashes because of opaque
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* -Declare typein/out functions in pg_proc with a special "C string" data type
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* -Functions returning sets do not totally work
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* Change factorial to return a numeric
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* Change factorial to return a numeric
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* Change NUMERIC data type to use base 10,000 internally
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* Change NUMERIC data type to use base 10,000 internally
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* Change NUMERIC to enforce the maximum precision, and increase it
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* Change NUMERIC to enforce the maximum precision, and increase it
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* Add function to return compressed length of TOAST data values (Tom)
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* Add function to return compressed length of TOAST data values (Tom)
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* -Add GUC parameter for DATESTYLE
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* Allow INET subnet tests using non-constants
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* Allow INET subnet tests using non-constants
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* -Allow bytea to handle LIKE with non-TEXT patterns
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* -to_char(0,'FM999.99') returns a period, to_char(1,'FM999.99') doesn't (Karel)
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* -Add floor(float8) and other missing functions
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* Add now("transaction|statement|clock") functionality
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* Add now("transaction|statement|clock") functionality
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* -Add GUC variables to control floating number output digits (Pedro Ferreira)
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* CONVERSION
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* CONVERSION
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o -Store binary-compatible type information in the system
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o Allow better handling of numeric constants, type conversion
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o Allow better handling of numeric constants, type conversion
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[typeconv]
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[typeconv]
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* ARRAYS
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* ARRAYS
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o Allow nulls in arrays
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o Allow nulls in arrays
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o Allow arrays to be ORDER'ed
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o Allow arrays to be ORDER'ed
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o -Ensure we have array-eq operators for every built-in array type
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o Support construction of array result values in expressions
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o Support construction of array result values in expressions
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* BINARY DATA
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* BINARY DATA
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@ -136,8 +107,6 @@ Views / Rules
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* Have views on temporary tables exist in the temporary namespace
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* Have views on temporary tables exist in the temporary namespace
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* Move psql backslash information into views
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* Move psql backslash information into views
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* Allow RULE recompilation
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* Allow RULE recompilation
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* -Remove brackets as multi-statement rule grouping, must use parens (Bruce)
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* -Prevent aggregates from being used in rule WHERE clauses
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Indexes
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Indexes
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@ -151,7 +120,6 @@ Indexes
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* UNIQUE INDEX on base column not honored on inserts from inherited table
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* UNIQUE INDEX on base column not honored on inserts from inherited table
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INSERT INTO inherit_table (unique_index_col) VALUES (dup) should fail
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INSERT INTO inherit_table (unique_index_col) VALUES (dup) should fail
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[inheritance]
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[inheritance]
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* -Allow UPDATE/DELETE on inherited table
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* Add UNIQUE capability to non-btree indexes
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* Add UNIQUE capability to non-btree indexes
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* Add btree index support for reltime, tinterval, regproc
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* Add btree index support for reltime, tinterval, regproc
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* Add rtree index support for line, lseg, path, point
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* Add rtree index support for line, lseg, path, point
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@ -163,7 +131,6 @@ Indexes
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* Use index to restrict rows returned by multi-key index when used with
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* Use index to restrict rows returned by multi-key index when used with
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non-consecutive keys or OR clauses, so fewer heap accesses
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non-consecutive keys or OR clauses, so fewer heap accesses
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* Be smarter about insertion of already-ordered data into btree index
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* Be smarter about insertion of already-ordered data into btree index
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* -Add deleted bit to index tuples to reduce heap access
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* Prevent index uniqueness checks when UPDATE does not modifying column
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* Prevent index uniqueness checks when UPDATE does not modifying column
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* Use bitmaps to fetch heap pages in sequential order [performance]
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* Use bitmaps to fetch heap pages in sequential order [performance]
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* Use bitmaps to combine existing indexes [performance]
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* Use bitmaps to combine existing indexes [performance]
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@ -173,21 +140,15 @@ Indexes
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* Add FILLFACTOR to btree index creation
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* Add FILLFACTOR to btree index creation
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* Add concurrency to GIST
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* Add concurrency to GIST
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* Improve concurrency of hash indexes (Neil)
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* Improve concurrency of hash indexes (Neil)
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* -Test hash index performance and discourage usage
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Commands
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Commands
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========
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========
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* -Add SIMILAR TO to allow character classes, 'pg_[a-c]%'
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* Add BETWEEN ASYMMETRIC/SYMMETRIC (Christopher)
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* Add BETWEEN ASYMMETRIC/SYMMETRIC (Christopher)
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* -Remove LIMIT #,# and force use LIMIT and OFFSET clauses in 7.3 (Bruce)
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* Allow LIMIT/OFFSET to use expressions
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* Allow LIMIT/OFFSET to use expressions
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* -Disallow TRUNCATE on tables that are involved in referential constraints
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* -Add OR REPLACE clauses to non-FUNCTION object creation
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* CREATE TABLE AS can not determine column lengths from expressions [atttypmod]
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* CREATE TABLE AS can not determine column lengths from expressions [atttypmod]
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* Allow UPDATE to handle complex aggregates [update]
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* Allow UPDATE to handle complex aggregates [update]
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* -Prevent create/drop scripts from allowing extra args (Bruce)
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* Allow command blocks to ignore certain types of errors
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* Allow command blocks to ignore certain types of errors
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* Allow backslash handling in quoted strings to be disabled for portability
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* Allow backslash handling in quoted strings to be disabled for portability
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* Return proper effected tuple count from complex commands [return]
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* Return proper effected tuple count from complex commands [return]
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@ -195,42 +156,32 @@ Commands
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* Add CORRESPONDING BY to UNION/INTERSECT/EXCEPT
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* Add CORRESPONDING BY to UNION/INTERSECT/EXCEPT
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* Allow REINDEX to rebuild all indexes, remove /contrib/reindex
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* Allow REINDEX to rebuild all indexes, remove /contrib/reindex
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* Make a transaction-safe TRUNCATE
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* Make a transaction-safe TRUNCATE
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* Fix SELECT ... INTO and CREATE TABLE AS to have appopriate OID column
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* ALTER
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* ALTER
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o ALTER TABLE ADD COLUMN does not honor DEFAULT and non-CHECK CONSTRAINT
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o ALTER TABLE ADD COLUMN does not honor DEFAULT and non-CHECK CONSTRAINT
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o -Add ALTER TABLE DROP COLUMN feature
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o -Add ALTER TABLE DROP non-CHECK CONSTRAINT
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o -ALTER TABLE ADD PRIMARY KEY (Tom)
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o -ALTER TABLE ADD UNIQUE (Tom)
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o -ALTER TABLE ALTER COLUMN SET/DROP NOT NULL (Christopher)
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o ALTER TABLE ADD COLUMN column DEFAULT should fill existing
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o ALTER TABLE ADD COLUMN column DEFAULT should fill existing
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rows with DEFAULT value
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rows with DEFAULT value
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o ALTER TABLE ADD COLUMN column SERIAL doesn't create sequence because
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o ALTER TABLE ADD COLUMN column SERIAL doesn't create sequence because
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of the item above
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of the item above
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o -Have ALTER TABLE OWNER change all dependant objects like indexes
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o Add ALTER TABLE tab SET WITHOUT OIDS
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o Add ALTER TABLE tab SET WITHOUT OIDS
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* CLUSTER
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* CLUSTER
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o -Cluster all tables at once using pg_index.indisclustered set during
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previous CLUSTER
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o -Prevent loss of indexes, permissions, inheritance
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o Automatically maintain clustering on a table
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o Automatically maintain clustering on a table
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o Allow CLUSTER to cluster all tables, remove clusterdb
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o Allow CLUSTER to cluster all tables, remove clusterdb
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* COPY
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* COPY
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o -Allow specification of column names
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o Allow psql \copy to specify column names
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o Allow psql \copy to specify column names
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o Allow dump/load of CSV format
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o Allow dump/load of CSV format
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o -Change syntax to WITH DELIMITER, (keep old syntax around?)
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o Allow COPY to report error lines and continue; optionally
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o Allow COPY to report error lines and continue; optionally
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allow error codes to be specified; requires savepoints or can
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allow error codes to be specified; requires savepoints or can
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not be run in a multi-statement transaction
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not be run in a multi-statement transaction
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o -Generate failure on short COPY lines rather than pad NULLs
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o Allow copy to understand \x as hex
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o Allow copy to understand \x as hex
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* CURSOR
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* CURSOR
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o Allow BINARY option to SELECT, just like DECLARE
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o Allow BINARY option to SELECT, just like DECLARE
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o MOVE 0 should not move to end of cursor (Bruce)
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o -MOVE 0 should not move to end of cursor (Bruce)
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o Allow UPDATE/DELETE WHERE CURRENT OF cursor using per-cursor tid
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o Allow UPDATE/DELETE WHERE CURRENT OF cursor using per-cursor tid
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stored in the backend
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stored in the backend
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o Prevent DROP of table being referenced by our own open cursor
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o Prevent DROP of table being referenced by our own open cursor
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@ -239,21 +190,13 @@ Commands
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* INSERT
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* INSERT
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o Allow INSERT/UPDATE of system-generated oid value for a row
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o Allow INSERT/UPDATE of system-generated oid value for a row
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o Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
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o Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
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o -Allow INSERT INTO my_table VALUES (a, b, c, DEFAULT, x, y, z, ...)
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o -Disallow missing columns in INSERT ... (col) VALUES, per ANSI
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o Allow INSERT/UPDATE ... RETURNING new.col or old.col; handle
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o Allow INSERT/UPDATE ... RETURNING new.col or old.col; handle
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RULE cases (Philip)
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RULE cases (Philip)
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* SHOW/SET
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* SHOW/SET
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o -Add command to display locks
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o -Add SET or BEGIN timeout parameter to cancel query
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o Add SET REAL_FORMAT and SET DOUBLE_PRECISION_FORMAT using printf args
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o Add SET REAL_FORMAT and SET DOUBLE_PRECISION_FORMAT using printf args
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o -Remove SET KSQO option now that OR processing is improved (Bruce)
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o Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
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o Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
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ANALYZE, and CLUSTER
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ANALYZE, and CLUSTER
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|
|
|
o -Add SHOW command to see locale
|
|
|
|
|
|
|
|
o -Allow SHOW to output as a query result, like EXPLAIN
|
|
|
|
|
|
|
|
o -Abort all SET changes made in an aborted transaction
|
|
|
|
|
|
|
|
o Add SET SCHEMA
|
|
|
|
o Add SET SCHEMA
|
|
|
|
o Allow EXPLAIN EXECUTE to see prepared plans
|
|
|
|
o Allow EXPLAIN EXECUTE to see prepared plans
|
|
|
|
o Allow SHOW of non-modifiable variables, like pg_controldata
|
|
|
|
o Allow SHOW of non-modifiable variables, like pg_controldata
|
|
|
@ -261,7 +204,6 @@ Commands
|
|
|
|
|
|
|
|
|
|
|
|
* SERVER-SIDE LANGUAGES
|
|
|
|
* SERVER-SIDE LANGUAGES
|
|
|
|
o Allow PL/PgSQL's RAISE function to take expressions
|
|
|
|
o Allow PL/PgSQL's RAISE function to take expressions
|
|
|
|
o -Fix PL/PgSQL to handle quoted mixed-case identifiers
|
|
|
|
|
|
|
|
o Change PL/PgSQL to use palloc() instead of malloc()
|
|
|
|
o Change PL/PgSQL to use palloc() instead of malloc()
|
|
|
|
o Add untrusted version of plpython
|
|
|
|
o Add untrusted version of plpython
|
|
|
|
o Allow Java server-side programming, http://pljava.sourceforge.net
|
|
|
|
o Allow Java server-side programming, http://pljava.sourceforge.net
|
|
|
@ -284,14 +226,8 @@ Commands
|
|
|
|
Clients
|
|
|
|
Clients
|
|
|
|
=======
|
|
|
|
=======
|
|
|
|
|
|
|
|
|
|
|
|
* -Have pg_dump use LEFT OUTER JOIN in multi-table SELECTs
|
|
|
|
|
|
|
|
or multiple SELECTS to avoid bad system catalog entries
|
|
|
|
|
|
|
|
* -Have pg_dump -C dump database location and encoding information
|
|
|
|
|
|
|
|
* -Allow psql \d to show foreign keys
|
|
|
|
|
|
|
|
* -Allow psql \d to show temporary table structure (Tom)
|
|
|
|
|
|
|
|
* Allow psql to show transaction status if backend protocol changes made
|
|
|
|
* Allow psql to show transaction status if backend protocol changes made
|
|
|
|
* Add XML interface: psql, pg_dump, COPY, separate server (?)
|
|
|
|
* Add XML interface: psql, pg_dump, COPY, separate server (?)
|
|
|
|
* -Have pg_dump use ADD PRIMARY KEY after COPY, for performance (Neil)
|
|
|
|
|
|
|
|
* Add schema, cast, and conversion backslash commands to psql
|
|
|
|
* Add schema, cast, and conversion backslash commands to psql
|
|
|
|
* Allow pg_dump to dump a specific schema
|
|
|
|
* Allow pg_dump to dump a specific schema
|
|
|
|
* Allow psql to do table completion for SELECT * FROM schema_part and
|
|
|
|
* Allow psql to do table completion for SELECT * FROM schema_part and
|
|
|
@ -299,16 +235,12 @@ Clients
|
|
|
|
|
|
|
|
|
|
|
|
* JDBC
|
|
|
|
* JDBC
|
|
|
|
o Comprehensive test suite. This may be available already.
|
|
|
|
o Comprehensive test suite. This may be available already.
|
|
|
|
o -Updateable resultSet
|
|
|
|
|
|
|
|
o JDBC-standard BLOB support
|
|
|
|
o JDBC-standard BLOB support
|
|
|
|
o Error Codes (pending backend implementation)
|
|
|
|
o Error Codes (pending backend implementation)
|
|
|
|
o Support both 'make' and 'ant'
|
|
|
|
o Support both 'make' and 'ant'
|
|
|
|
o Fix LargeObject API to handle OIDs as unsigned ints
|
|
|
|
o Fix LargeObject API to handle OIDs as unsigned ints
|
|
|
|
o -Implement cancel() method on Statement
|
|
|
|
|
|
|
|
o Use cursors implicitly to avoid large results (see setCursorName())
|
|
|
|
o Use cursors implicitly to avoid large results (see setCursorName())
|
|
|
|
o -Add support for CallableStatements
|
|
|
|
|
|
|
|
o Add LISTEN/NOTIFY support to the JDBC driver (Barry)
|
|
|
|
o Add LISTEN/NOTIFY support to the JDBC driver (Barry)
|
|
|
|
o -Compile under jdk 1.4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
* ECPG
|
|
|
|
* ECPG
|
|
|
|
o Implement set descriptor, using descriptor
|
|
|
|
o Implement set descriptor, using descriptor
|
|
|
@ -331,14 +263,10 @@ Referential Integrity
|
|
|
|
|
|
|
|
|
|
|
|
* Add MATCH PARTIAL referential integrity [foreign]
|
|
|
|
* Add MATCH PARTIAL referential integrity [foreign]
|
|
|
|
* Add deferred trigger queue file (Jan)
|
|
|
|
* Add deferred trigger queue file (Jan)
|
|
|
|
* -Allow oid to act as a foreign key
|
|
|
|
|
|
|
|
* Implement dirty reads and use them in RI triggers
|
|
|
|
* Implement dirty reads and use them in RI triggers
|
|
|
|
* Enforce referential integrity for system tables
|
|
|
|
* Enforce referential integrity for system tables
|
|
|
|
* -Allow user to control trigger firing order (Tom)
|
|
|
|
|
|
|
|
* -Add ALTER TRIGGER ... RENAME
|
|
|
|
|
|
|
|
* Change foreign key constraint for array -> element to mean element
|
|
|
|
* Change foreign key constraint for array -> element to mean element
|
|
|
|
in array
|
|
|
|
in array
|
|
|
|
* -Fix foreign key constraints to not error on intermediate db states (Stephan)
|
|
|
|
|
|
|
|
* Allow DEFERRABLE UNIQUE constraints
|
|
|
|
* Allow DEFERRABLE UNIQUE constraints
|
|
|
|
* Allow triggers to be disabled [trigger]
|
|
|
|
* Allow triggers to be disabled [trigger]
|
|
|
|
* Support statement-level triggers and triggers on columns (Neil)
|
|
|
|
* Support statement-level triggers and triggers on columns (Neil)
|
|
|
@ -347,16 +275,6 @@ Referential Integrity
|
|
|
|
Dependency Checking
|
|
|
|
Dependency Checking
|
|
|
|
===================
|
|
|
|
===================
|
|
|
|
|
|
|
|
|
|
|
|
* -Add pg_depend table for dependency recording; use sysrelid, oid,
|
|
|
|
|
|
|
|
depend_sysrelid, depend_oid, name
|
|
|
|
|
|
|
|
* -Auto-destroy sequence on DROP of table with SERIAL; perhaps a separate
|
|
|
|
|
|
|
|
SERIAL type
|
|
|
|
|
|
|
|
* -Prevent column dropping if column is used by foreign key
|
|
|
|
|
|
|
|
* -Propagate column or table renaming to foreign key constraints
|
|
|
|
|
|
|
|
* -Automatically drop constraints/functions when object is dropped
|
|
|
|
|
|
|
|
* -Make foreign key constraints clearer in dump file
|
|
|
|
|
|
|
|
* -Make other constraints clearer in dump file
|
|
|
|
|
|
|
|
* -Make foreign keys easier to identify
|
|
|
|
|
|
|
|
* Flush cached query plans when their underlying catalog data changes
|
|
|
|
* Flush cached query plans when their underlying catalog data changes
|
|
|
|
* Use dependency information to dump data in proper order
|
|
|
|
* Use dependency information to dump data in proper order
|
|
|
|
|
|
|
|
|
|
|
@ -364,7 +282,6 @@ Dependency Checking
|
|
|
|
Transactions
|
|
|
|
Transactions
|
|
|
|
============
|
|
|
|
============
|
|
|
|
|
|
|
|
|
|
|
|
* -Allow autocommit so always in a transaction block
|
|
|
|
|
|
|
|
* Overhaul bufmgr/lockmgr/transaction manager
|
|
|
|
* Overhaul bufmgr/lockmgr/transaction manager
|
|
|
|
* Allow savepoints / nested transactions [transactions]
|
|
|
|
* Allow savepoints / nested transactions [transactions]
|
|
|
|
|
|
|
|
|
|
|
@ -374,7 +291,6 @@ Exotic Features
|
|
|
|
|
|
|
|
|
|
|
|
* Add sql3 recursive unions
|
|
|
|
* Add sql3 recursive unions
|
|
|
|
* Add the concept of dataspaces/tablespaces [tablespaces]
|
|
|
|
* Add the concept of dataspaces/tablespaces [tablespaces]
|
|
|
|
* -Add SQL92 schemas (Tom)
|
|
|
|
|
|
|
|
* Allow queries across multiple databases [crossdb]
|
|
|
|
* Allow queries across multiple databases [crossdb]
|
|
|
|
* Add pre-parsing phase that converts non-ANSI features to supported features
|
|
|
|
* Add pre-parsing phase that converts non-ANSI features to supported features
|
|
|
|
* Allow plug-in modules to emulate features from other databases
|
|
|
|
* Allow plug-in modules to emulate features from other databases
|
|
|
@ -397,7 +313,6 @@ Fsync
|
|
|
|
|
|
|
|
|
|
|
|
Cache
|
|
|
|
Cache
|
|
|
|
=====
|
|
|
|
=====
|
|
|
|
* -Cache most recent query plan(s) (Neil) [prepare]
|
|
|
|
|
|
|
|
* Shared catalog cache, reduce lseek()'s by caching table size in shared area
|
|
|
|
* Shared catalog cache, reduce lseek()'s by caching table size in shared area
|
|
|
|
* Add free-behind capability for large sequential scans (Bruce)
|
|
|
|
* Add free-behind capability for large sequential scans (Bruce)
|
|
|
|
* Allow binding query args over FE/BE protocol
|
|
|
|
* Allow binding query args over FE/BE protocol
|
|
|
@ -436,7 +351,6 @@ Startup Time
|
|
|
|
* Do listen() in postmaster and accept() in pre-forked backend
|
|
|
|
* Do listen() in postmaster and accept() in pre-forked backend
|
|
|
|
* Have pre-forked backend pre-connect to last requested database or pass
|
|
|
|
* Have pre-forked backend pre-connect to last requested database or pass
|
|
|
|
file descriptor to backend pre-forked for matching database
|
|
|
|
file descriptor to backend pre-forked for matching database
|
|
|
|
* -Cache system catalog information in per-database files (Tom)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Write-Ahead Log
|
|
|
|
Write-Ahead Log
|
|
|
@ -447,8 +361,6 @@ Write-Ahead Log
|
|
|
|
partial page writes [wal]
|
|
|
|
partial page writes [wal]
|
|
|
|
* Turn off after-change writes if fsync is disabled (?)
|
|
|
|
* Turn off after-change writes if fsync is disabled (?)
|
|
|
|
* Add WAL index reliability improvement to non-btree indexes
|
|
|
|
* Add WAL index reliability improvement to non-btree indexes
|
|
|
|
* -Reorder postgresql.conf WAL items in order of importance (Bruce)
|
|
|
|
|
|
|
|
* -Remove wal_files postgresql.conf option because WAL files are now recycled
|
|
|
|
|
|
|
|
* Find proper defaults for postgresql.conf WAL entries
|
|
|
|
* Find proper defaults for postgresql.conf WAL entries
|
|
|
|
* Add checkpoint_min_warning postgresql.conf option to warn about checkpoints
|
|
|
|
* Add checkpoint_min_warning postgresql.conf option to warn about checkpoints
|
|
|
|
that are too frequent
|
|
|
|
that are too frequent
|
|
|
@ -462,14 +374,8 @@ Optimizer / Executor
|
|
|
|
|
|
|
|
|
|
|
|
* Improve Subplan list handling
|
|
|
|
* Improve Subplan list handling
|
|
|
|
* Allow Subplans to use efficient joins(hash, merge) with upper variable
|
|
|
|
* Allow Subplans to use efficient joins(hash, merge) with upper variable
|
|
|
|
* -Improve dynamic memory allocation by introducing tuple-context memory
|
|
|
|
* Add hash for evaluating GROUP BY aggregates (Tom)
|
|
|
|
allocation (Tom)
|
|
|
|
|
|
|
|
* Add hash for evaluating GROUP BY aggregates
|
|
|
|
|
|
|
|
* -Nested FULL OUTER JOINs don't work (Tom)
|
|
|
|
|
|
|
|
* Allow merge and hash joins on expressions not just simple variables (Tom)
|
|
|
|
* Allow merge and hash joins on expressions not just simple variables (Tom)
|
|
|
|
* -Add new pg_proc cachable settings to specify whether function can be
|
|
|
|
|
|
|
|
evaluated only once or once per query
|
|
|
|
|
|
|
|
* -Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
|
|
|
|
|
|
|
|
* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
|
|
|
|
* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
|
|
|
|
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
|
|
|
|
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
|
|
|
|
* Allow ORDER BY ... LIMIT to select top values without sort or index
|
|
|
|
* Allow ORDER BY ... LIMIT to select top values without sort or index
|
|
|
@ -491,33 +397,20 @@ Miscellaneous
|
|
|
|
when it is available
|
|
|
|
when it is available
|
|
|
|
* Use mmap() rather than SYSV shared memory or to write WAL files (?) [mmap]
|
|
|
|
* Use mmap() rather than SYSV shared memory or to write WAL files (?) [mmap]
|
|
|
|
* Improve caching of attribute offsets when NULLs exist in the row
|
|
|
|
* Improve caching of attribute offsets when NULLs exist in the row
|
|
|
|
* -Add Intimate Shared Memory(ISM) for Solaris
|
|
|
|
|
|
|
|
* -Use faster flex flags for performance improvement (Peter E)
|
|
|
|
|
|
|
|
* -Add BSD-licensed qsort() for Solaris
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Source Code
|
|
|
|
Source Code
|
|
|
|
===========
|
|
|
|
===========
|
|
|
|
|
|
|
|
|
|
|
|
* Add use of 'const' for variables in source tree
|
|
|
|
* Add use of 'const' for variables in source tree
|
|
|
|
* -Fix problems with libpq non-blocking/async code
|
|
|
|
|
|
|
|
* -Make sure all block numbers are unsigned to increase maximum table size
|
|
|
|
|
|
|
|
* -Merge LockMethodCtl and LockMethodTable into one shared structure (Bruce)
|
|
|
|
|
|
|
|
* -HOLDER/HOLDERTAB rename to PROCLOCK/PROCLOCKTAG (Bruce)
|
|
|
|
|
|
|
|
* -Remove LockMethodTable.prio field, not used (Bruce)
|
|
|
|
|
|
|
|
* Rename some /contrib modules from pg* to pg_*
|
|
|
|
* Rename some /contrib modules from pg* to pg_*
|
|
|
|
* Move some things from /contrib into main tree
|
|
|
|
* Move some things from /contrib into main tree
|
|
|
|
* Remove warnings created by -Wcast-align
|
|
|
|
* Remove warnings created by -Wcast-align
|
|
|
|
* Move platform-specific ps status display info from ps_status.c to ports
|
|
|
|
* Move platform-specific ps status display info from ps_status.c to ports
|
|
|
|
* -Make one version of simple_prompt() in code (Bruce, Tom)
|
|
|
|
|
|
|
|
* -Compile in syslog functionaility by default (Tatsuo)
|
|
|
|
|
|
|
|
* Modify regression tests to prevent failures do to minor numeric rounding
|
|
|
|
* Modify regression tests to prevent failures do to minor numeric rounding
|
|
|
|
* Add OpenBSD's getpeereid() call for local socket authentication (Bruce)
|
|
|
|
* Add OpenBSD's getpeereid() call for local socket authentication (Bruce)
|
|
|
|
* Improve access-permissions check on data directory in Cygwin (Tom)
|
|
|
|
* Improve access-permissions check on data directory in Cygwin (Tom)
|
|
|
|
* -Report failure to find readline or zlib at end of configure run
|
|
|
|
|
|
|
|
* Add --port flag to regression tests
|
|
|
|
* Add --port flag to regression tests
|
|
|
|
* -Increase identifier length (NAMEDATALEN) if small performance hit,
|
|
|
|
|
|
|
|
* -Increase maximum number of function parameters if little wasted space
|
|
|
|
|
|
|
|
* Add documentation for perl, including mention of DBI/DBD perl location
|
|
|
|
* Add documentation for perl, including mention of DBI/DBD perl location
|
|
|
|
* Add optional CRC checksum to heap and index pages
|
|
|
|
* Add optional CRC checksum to heap and index pages
|
|
|
|
* Change representation of whole-tuple parameters to functions
|
|
|
|
* Change representation of whole-tuple parameters to functions
|
|
|
@ -526,9 +419,8 @@ Source Code
|
|
|
|
* Remove or relicense modules that are not under the BSD license, if possible
|
|
|
|
* Remove or relicense modules that are not under the BSD license, if possible
|
|
|
|
* Remove memory/file descriptor freeing befor elog(ERROR) (Bruce)
|
|
|
|
* Remove memory/file descriptor freeing befor elog(ERROR) (Bruce)
|
|
|
|
* Create native Win32 port [win32]
|
|
|
|
* Create native Win32 port [win32]
|
|
|
|
* -Fix glibc's mktime() to handle pre-1970's dates
|
|
|
|
|
|
|
|
* -Move /contrib/retep to gborg.postgresql.org
|
|
|
|
|
|
|
|
* Acquire lock on a relation before building a relcache entry for it
|
|
|
|
* Acquire lock on a relation before building a relcache entry for it
|
|
|
|
|
|
|
|
* Research interaction of setitimer() and sleep() used by statement_timeout
|
|
|
|
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------
|
|
|
|
---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
|
|