@ -2,16 +2,14 @@
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< title > c < / title >
< title > PostgreSQL TODO List < / title >
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< p > c< br / >
PostgreSQL TODO List
< / p > < hr / >
Current maintainer: Bruce Momjian (< a href = "mailto:bruce@momjian.us" > bruce@momjian.us< / a > )< br / >
Last updated: Sat Sep 2 08:31:04 EDT 2006
< h1 > < a name = "section_1" > PostgreSQL TODO List< / a > < / h1 >
< p > Current maintainer: Bruce Momjian (< a href = "mailto:bruce@momjian.us" > bruce@momjian.us< / a > )< br / >
Last updated: Sat Sep 2 16:31:46 EDT 2006
< / p >
< p > The most recent version of this document can be viewed at< br / >
< a href = "http://www.postgresql.org/docs/faqs.TODO.html" > http://www.postgresql.org/docs/faqs.TODO.html< / a > .
< / p >
@ -24,7 +22,7 @@ Last updated: Sat Sep 2 08:31:04 EDT 2006
you would like to work on an item, please read the Developer's FAQ< br / >
first.
< / p >
< h1 > < a name = "section_1 " > Administration< / a > < / h1 >
< h1 > < a name = "section_2 " > Administration< / a > < / h1 >
< ul >
< li > -< em > Make postmater and postgres options distinct so the postmaster -o< / em >
@ -152,7 +150,7 @@ first.
< / li > < li > Allow the PITR process to be debugged and data examined
< / li > < / ul >
< / li > < / ul >
< h1 > < a name = "section_2 " > Monitoring< / a > < / h1 >
< h1 > < a name = "section_3 " > Monitoring< / a > < / h1 >
< ul >
< li > Allow server log information to be output as INSERT statements
@ -163,7 +161,7 @@ first.
< / li > < li > -< em > Allow server logs to be remotely read and removed using SQL commands< / em >
< / li > < li > -< em > Allow protocol-level BIND parameter values to be logged, if text mode< / em >
< / li > < / ul >
< h1 > < a name = "section_3 " > Data Types< / a > < / h1 >
< h1 > < a name = "section_4 " > Data Types< / a > < / h1 >
< ul >
< li > Improve the MONEY data type
@ -298,7 +296,7 @@ first.
< / li > < / ul >
< / li > < / ul >
< / li > < / ul >
< h1 > < a name = "section_4 " > Functions< / a > < / h1 >
< h1 > < a name = "section_5 " > Functions< / a > < / h1 >
< ul >
< li > Allow INET subnet tests using non-constants to be indexed
@ -341,7 +339,7 @@ first.
< / li > < li > Add SPI_gettypmod() to return the typemod for a TupleDesc
< / li > < li > Allow inlining of set-returning functions
< / li > < / ul >
< h1 > < a name = "section_5 " > Multi-Language Support< / a > < / h1 >
< h1 > < a name = "section_6 " > Multi-Language Support< / a > < / h1 >
< ul >
< li > Add NCHAR (as distinguished from ordinary varchar),
@ -372,7 +370,7 @@ first.
< a href = "http://archives.postgresql.org/pgsql-patches/2005-11/msg00173.php" > http://archives.postgresql.org/pgsql-patches/2005-11/msg00173.php< / a >
< / p >
< / li > < / ul >
< h1 > < a name = "section_6 " > Views / Rules< / a > < / h1 >
< h1 > < a name = "section_7 " > Views / Rules< / a > < / h1 >
< ul >
< li > Automatically create rules on views so they are updateable, per SQL99
@ -388,7 +386,7 @@ first.
are added after the view is created.
< / p >
< / li > < / ul >
< h1 > < a name = "section_7 " > SQL Commands< / a > < / h1 >
< h1 > < a name = "section_8 " > SQL Commands< / a > < / h1 >
< ul >
< li > -< em > Change LIMIT/OFFSET and FETCH/MOVE to use int8< / em >
@ -498,10 +496,10 @@ first.
< ul >
< li > -< em > Allow an alias to be provided for the target table in< / em >
UPDATE/DELETE (Neil)
< / li > < li > Allow UPDATE tab SET ROW (col, ...) = (...) for updating multiple
columns
< p > A subselect can also be used as the value source.
< a href = "http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php" > http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php< / a >
< / li > < li > -< em > Allow UPDATE tab SET ROW (col, ...) = (val, ...) for updating< / em >
multiple columns
< / li > < li > Allow UPDATE tab SET ROW (col, ...) = (SELECT...)
< p > < a href = "http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php" > http://archives.postgresql.org/pgsql-hackers/2006-07/msg01306.php< / a >
< / p >
< / li > < / ul >
< / li > < li > ALTER
@ -679,7 +677,7 @@ first.
< / li > < / ul >
< / li > < / ul >
< / li > < / ul >
< h1 > < a name = "section_8 " > Clients< / a > < / h1 >
< h1 > < a name = "section_9 " > Clients< / a > < / h1 >
< ul >
< li > -< em > Have initdb set the input DateStyle (MDY or DMY) based on locale< / em >
@ -788,7 +786,7 @@ first.
< / p >
< / li > < / ul >
< / li > < / ul >
< h1 > < a name = "section_9 " > Triggers< / a > < / h1 >
< h1 > < a name = "section_10 " > Triggers< / a > < / h1 >
< ul >
< li > Add deferred trigger queue file
< p > Right now all deferred trigger information is stored in backend
@ -816,7 +814,7 @@ first.
to fire triggers.
< / p >
< / li > < / ul >
< h1 > < a name = "section_10 " > Dependency Checking< / a > < / h1 >
< h1 > < a name = "section_11 " > Dependency Checking< / a > < / h1 >
< ul >
< li > Flush cached query plans when the dependent objects change,
@ -833,7 +831,7 @@ first.
invalidate its own query plan.
< / p >
< / li > < / ul >
< h1 > < a name = "section_11 " > Exotic Features< / a > < / h1 >
< h1 > < a name = "section_12 " > Exotic Features< / a > < / h1 >
< ul >
< li > Add pre-parsing phase that converts non-ISO syntax to supported
@ -860,7 +858,7 @@ first.
< p > < a href = "http://archives.postgresql.org/pgsql-hackers/2004-04/msg00818.php" > http://archives.postgresql.org/pgsql-hackers/2004-04/msg00818.php< / a >
< / p >
< / li > < / ul >
< h1 > < a name = "section_12 " > Indexes< / a > < / h1 >
< h1 > < a name = "section_13 " > Indexes< / a > < / h1 >
< ul >
< li > Allow inherited tables to inherit index, UNIQUE constraint, and primary
@ -927,7 +925,7 @@ first.
< / li > < li > Allow multi-column hash indexes
< / li > < / ul >
< / li > < / ul >
< h1 > < a name = "section_13 " > Fsync< / a > < / h1 >
< h1 > < a name = "section_14 " > Fsync< / a > < / h1 >
< ul >
< li > Improve commit_delay handling to reduce fsync()
@ -939,7 +937,7 @@ first.
< / li > < li > %Add an option to sync() before fsync()'ing checkpoint files
< / li > < li > Add program to test if fsync has a delay compared to non-fsync
< / li > < / ul >
< h1 > < a name = "section_14 " > Cache Usage< / a > < / h1 >
< h1 > < a name = "section_15 " > Cache Usage< / a > < / h1 >
< ul >
< li > Allow free-behind capability for large sequential scans, perhaps using
@ -993,7 +991,7 @@ first.
< p > < a href = "http://archives.postgresql.org/pgsql-hackers/2005-10/msg01419.php" > http://archives.postgresql.org/pgsql-hackers/2005-10/msg01419.php< / a >
< / p >
< / li > < / ul >
< h1 > < a name = "section_15 " > Vacuum< / a > < / h1 >
< h1 > < a name = "section_16 " > Vacuum< / a > < / h1 >
< ul >
< li > Improve speed with indexes
@ -1051,12 +1049,12 @@ first.
< / li > < li > Turn on by default
< / li > < / ul >
< / li > < / ul >
< h1 > < a name = "section_16 " > Locking< / a > < / h1 >
< h1 > < a name = "section_17 " > Locking< / a > < / h1 >
< ul >
< li > Fix priority ordering of read and write light-weight locks (Neil)
< / li > < / ul >
< h1 > < a name = "section_17 " > Startup Time Improvements< / a > < / h1 >
< h1 > < a name = "section_18 " > Startup Time Improvements< / a > < / h1 >
< ul >
< li > Experiment with multi-threaded backend for backend creation [< a href = "http://momjian.postgresql.org/cgi-bin/pgtodo?thread" > thread< / a > ]
@ -1079,7 +1077,7 @@ first.
existing backends is one of the difficulties with a backend approach.
< / p >
< / li > < / ul >
< h1 > < a name = "section_18 " > Write-Ahead Log< / a > < / h1 >
< h1 > < a name = "section_19 " > Write-Ahead Log< / a > < / h1 >
< ul >
< li > Eliminate need to write full pages to WAL before page modification [< a href = "http://momjian.postgresql.org/cgi-bin/pgtodo?wal" > wal< / a > ]
@ -1143,7 +1141,7 @@ first.
of indexes on TOAST tables.
< / p >
< / li > < / ul >
< h1 > < a name = "section_19 " > Optimizer / Executor< / a > < / h1 >
< h1 > < a name = "section_20 " > Optimizer / Executor< / a > < / h1 >
< ul >
< li > Improve selectivity functions for geometric operators
@ -1168,7 +1166,7 @@ first.
< p > This might replace GEQO, < a href = "http://sixdemonbag.org/Djinni" > http://sixdemonbag.org/Djinni< / a > .
< / p >
< / li > < / ul >
< h1 > < a name = "section_20 " > Miscellaneous Performance< / a > < / h1 >
< h1 > < a name = "section_21 " > Miscellaneous Performance< / a > < / h1 >
< ul >
< li > Do async I/O for faster random read-ahead of data
@ -1211,7 +1209,7 @@ first.
< / p >
< / li > < li > Research storing disk pages with no alignment/padding
< / li > < / ul >
< h1 > < a name = "section_21 " > Source Code< / a > < / h1 >
< h1 > < a name = "section_22 " > Source Code< / a > < / h1 >
< ul >
< li > Add use of 'const' for variables in source tree
@ -1293,7 +1291,7 @@ first.
of result sets using new statement protocol
< / li > < / ul >
< / li > < / ul >
< h1 > < a name = "section_22 " > Features We Do _Not_ Want< / a > < / h1 >
< h1 > < a name = "section_23 " > Features We Do _Not_ Want< / a > < / h1 >
< ul >
< li > All backends running as threads in a single process (not wanted)
@ -1314,7 +1312,7 @@ first.
< / li > < / ul >
< hr / >
< h2 > < a name = "section_22 _1" > Developers who have claimed items are:< / a > < / h2 >
< h2 > < a name = "section_23 _1" > Developers who have claimed items are:< / a > < / h2 >
< ul >
< li > Alvaro is Alvaro Herrera < < a href = "mailto:alvherre@dcc.uchile.cl" > alvherre@dcc.uchile.cl< / a > >
< / li > < li > Andrew is Andrew Dunstan < < a href = "mailto:andrew@dunslane.net" > andrew@dunslane.net< / a > >
Bruce Momjian
19 years ago