Skip to content

P
Postgres FD Implementation
Commit e444d9a9 authored by Bruce Momjian's avatar Bruce Momjian
Browse files
Options 

Improve indentation of sublists:

< 	The proper solution to this will probably the use of a master/slave
< 	replication solution like Sloney and a connection pooling tool like
< 	pgpool.
> 	  The proper solution to this will probably the use of a master/slave
> 	  replication solution like Sloney and a connection pooling tool like
> 	  pgpool.
114,116c114,116
< 	You can use any of the master/slave replication servers to use a
< 	standby server for data warehousing. To allow read/write queries to
< 	multiple servers, you need multi-master replication like pgcluster.
> 	  You can use any of the master/slave replication servers to use a
> 	  standby server for data warehousing. To allow read/write queries to
> 	  multiple servers, you need multi-master replication like pgcluster.
166,167c166,167
< 	Currently large objects entries do not have owners. Permissions can
< 	only be set at the pg_largeobject table level.
> 	  Currently large objects entries do not have owners. Permissions can
> 	  only be set at the pg_largeobject table level.
173c173
< 	This requires the TOAST column to be stored EXTERNAL.
> 	  This requires the TOAST column to be stored EXTERNAL.
359,360c359,360
< 	One complexity is whether moving a schema should move all existing
< 	schema objects or just define the location for future object creation.
> 	  One complexity is whether moving a schema should move all existing
> 	  schema objects or just define the location for future object creation.
364,365c364,365
< 	Currently non-global system tables must be in the default database
< 	schema. Global system tables can never be moved.
> 	  Currently non-global system tables must be in the default database
> 	  schema. Global system tables can never be moved.
371,375c371,375
< 	This might require some background daemon to maintain clustering
< 	during periods of low usage. It might also require tables to be only
< 	paritally filled for easier reorganization.  Another idea would
<         be to create a merged heap/index data file so an index lookup would
< 	automatically access the heap data too.
> 	  This might require some background daemon to maintain clustering
> 	  during periods of low usage. It might also require tables to be only
> 	  paritally filled for easier reorganization.  Another idea would
>           be to create a merged heap/index data file so an index lookup would
> 	  automatically access the heap data too.
379,380c379,380
< 	To do this, determine the ideal cluster index for each system
< 	table and set the cluster setting during initdb.
> 	  To do this, determine the ideal cluster index for each system
> 	  table and set the cluster setting during initdb.
385,386c385,386
< 	This requires the use of a savepoint before each COPY line is
< 	processed, with ROLLBACK on COPY failure.
> 	  This requires the use of a savepoint before each COPY line is
> 	  processed, with ROLLBACK on COPY failure.
395,398c395,398
< 	This requires using the row ctid to map cursor rows back to the
< 	original heap row. This become more complicated if WITH HOLD cursors
< 	are to be supported because WITH HOLD cursors have a copy of the row
< 	and no FOR UPDATE lock.
> 	  This requires using the row ctid to map cursor rows back to the
> 	  original heap row. This become more complicated if WITH HOLD cursors
> 	  are to be supported because WITH HOLD cursors have a copy of the row
> 	  and no FOR UPDATE lock.
405,406c405,406
< 	Because WITH HOLD cursors exist outside transactions, this allows
< 	them to be listed so they can be closed.
> 	  Because WITH HOLD cursors exist outside transactions, this allows
> 	  them to be listed so they can be closed.
413,415c413,415
< 	This is useful for returning the auto-generated key for an INSERT.
< 	One complication is how to handle rules that run as part of
< 	the insert.
> 	  This is useful for returning the auto-generated key for an INSERT.
> 	  One complication is how to handle rules that run as part of
> 	  the insert.
422c422
< 	This is basically the same as SET search_path.
> 	  This is basically the same as SET search_path.
426,427c426,427
< 	This requires a checking function to be called after the server
< 	configuration file is read.
> 	  This requires a checking function to be called after the server
> 	  configuration file is read.
432c432
< 	Currently only constants are supported.
> 	  Currently only constants are supported.
438,439c438,439
< 	This requires the cached PL/PgSQL byte code to be invalidated when
< 	an object referenced in the function is changed.
> 	  This requires the cached PL/PgSQL byte code to be invalidated when
> 	  an object referenced in the function is changed.
512,513c512,513
< 	Document differences between ecpg and the SQL standard and
< 	information about the Informix-compatibility module.
> 	  Document differences between ecpg and the SQL standard and
> 	  information about the Informix-compatibility module.
parent 51aaceca
Hide whitespace changes
Inline Side-by-side
Showing with 40 additions and 40 deletions
doc/TODO
View file @ e444d9a9
......@@ -5,7 +5,7 @@ TODO list for PostgreSQL
Bracketed items "[]" have more detail.
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Sun Oct 17 23:26:56 EDT 2004
Last updated: Mon Oct 18 12:13:19 EDT 2004
The most recent version of this document can be viewed at the PostgreSQL web
site, http://www.PostgreSQL.org.
......@@ -105,15 +105,15 @@ Administration
* Improve replication solutions
o Automatic failover
The proper solution to this will probably the use of a master/slave
replication solution like Sloney and a connection pooling tool like
pgpool.
The proper solution to this will probably the use of a master/slave
replication solution like Sloney and a connection pooling tool like
pgpool.
o Load balancing
You can use any of the master/slave replication servers to use a
standby server for data warehousing. To allow read/write queries to
multiple servers, you need multi-master replication like pgcluster.
You can use any of the master/slave replication servers to use a
standby server for data warehousing. To allow read/write queries to
multiple servers, you need multi-master replication like pgcluster.
o Allow replication over unreliable or non-persistent links
......@@ -163,14 +163,14 @@ Data Types
o Improve vacuum of large objects, like /contrib/vacuumlo (?)
o Add security checking for large objects
Currently large objects entries do not have owners. Permissions can
only be set at the pg_largeobject table level.
Currently large objects entries do not have owners. Permissions can
only be set at the pg_largeobject table level.
o Auto-delete large objects when referencing row is deleted
o Allow read/write into TOAST values like large objects
This requires the TOAST column to be stored EXTERNAL.
This requires the TOAST column to be stored EXTERNAL.
Multi-Language Support
......@@ -356,34 +356,34 @@ Commands
o Allow ALTER TABLESPACE to move to different directories
o Allow databases and schemas to be moved to different tablespaces
One complexity is whether moving a schema should move all existing
schema objects or just define the location for future object creation.
One complexity is whether moving a schema should move all existing
schema objects or just define the location for future object creation.
o Allow moving system tables to other tablespaces, where possible
Currently non-global system tables must be in the default database
schema. Global system tables can never be moved.
Currently non-global system tables must be in the default database
schema. Global system tables can never be moved.
* CLUSTER
o Automatically maintain clustering on a table
This might require some background daemon to maintain clustering
during periods of low usage. It might also require tables to be only
paritally filled for easier reorganization. Another idea would
be to create a merged heap/index data file so an index lookup would
automatically access the heap data too.
This might require some background daemon to maintain clustering
during periods of low usage. It might also require tables to be only
paritally filled for easier reorganization. Another idea would
be to create a merged heap/index data file so an index lookup would
automatically access the heap data too.
o Add default clustering to system tables
To do this, determine the ideal cluster index for each system
table and set the cluster setting during initdb.
To do this, determine the ideal cluster index for each system
table and set the cluster setting during initdb.
* COPY
o Allow COPY to report error lines and continue
This requires the use of a savepoint before each COPY line is
processed, with ROLLBACK on COPY failure.
This requires the use of a savepoint before each COPY line is
processed, with ROLLBACK on COPY failure.
o Allow COPY to understand \x as a hex byte
o Have COPY return the number of rows loaded/unloaded (?)
......@@ -392,51 +392,51 @@ Commands
* CURSOR
o Allow UPDATE/DELETE WHERE CURRENT OF cursor
This requires using the row ctid to map cursor rows back to the
original heap row. This become more complicated if WITH HOLD cursors
are to be supported because WITH HOLD cursors have a copy of the row
and no FOR UPDATE lock.
This requires using the row ctid to map cursor rows back to the
original heap row. This become more complicated if WITH HOLD cursors
are to be supported because WITH HOLD cursors have a copy of the row
and no FOR UPDATE lock.
o Prevent DROP TABLE from dropping a row referenced by its own open
cursor (?)
o Allow pooled connections to list all open WITH HOLD cursors
Because WITH HOLD cursors exist outside transactions, this allows
them to be listed so they can be closed.
Because WITH HOLD cursors exist outside transactions, this allows
them to be listed so they can be closed.
* INSERT
o Allow INSERT/UPDATE of the system-generated oid value for a row
o Allow INSERT INTO tab (col1, ..) VALUES (val1, ..), (val2, ..)
o Allow INSERT/UPDATE ... RETURNING new.col or old.col
This is useful for returning the auto-generated key for an INSERT.
One complication is how to handle rules that run as part of
the insert.
This is useful for returning the auto-generated key for an INSERT.
One complication is how to handle rules that run as part of
the insert.
* SHOW/SET
o Add SET PERFORMANCE_TIPS option to suggest INDEX, VACUUM, VACUUM
ANALYZE, and CLUSTER
o Add SET PATH for schemas (?)
This is basically the same as SET search_path.
This is basically the same as SET search_path.
o Prevent conflicting SET options from being set
This requires a checking function to be called after the server
configuration file is read.
This requires a checking function to be called after the server
configuration file is read.
* SERVER-SIDE LANGUAGES
o Allow PL/PgSQL's RAISE function to take expressions (?)
Currently only constants are supported.
Currently only constants are supported.
o Change PL/PgSQL to use palloc() instead of malloc()
o Handle references to temporary tables that are created, destroyed,
then recreated during a session, and EXECUTE is not used
This requires the cached PL/PgSQL byte code to be invalidated when
an object referenced in the function is changed.
This requires the cached PL/PgSQL byte code to be invalidated when
an object referenced in the function is changed.
o Fix PL/pgSQL RENAME to work on variables other than OLD/NEW
o Improve PL/PgSQL exception handling using savepoints
......@@ -509,8 +509,8 @@ Clients
* ECPG (?)
o Docs
Document differences between ecpg and the SQL standard and
information about the Informix-compatibility module.
Document differences between ecpg and the SQL standard and
information about the Informix-compatibility module.
o Solve cardinality > 1 for input descriptors / variables (?)
o Improve error handling (?)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment