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Support Docs & Contrib
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Marc G. Fournier
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doc/TODO
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doc/TODO
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From scrappy@ki.net Tue Aug 6 19:57:11 1996
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Status: RO
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X-Status:
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Received: from candle.pha.pa.us (maillist@s1-03.ppp.op.net [206.84.209.132]) by quagmire.ki.net (8.7.5/8.7.5) with ESMTP id TAA01576 for <scrappy@ki.net>; Tue, 6 Aug 1996 19:57:08 -0400 (EDT)
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Received: (from maillist@localhost) by candle.pha.pa.us (8.7.4/8.7.3) id TAA11618 for scrappy@ki.net; Tue, 6 Aug 1996 19:57:37 -0400 (EDT)
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From: Bruce Momjian <maillist@candle.pha.pa.us>
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Message-Id: <199608062357.TAA11618@candle.pha.pa.us>
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Subject: add TODO to distribution
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To: scrappy@ki.net (Marc G. Fournier)
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Date: Tue, 6 Aug 1996 19:57:36 -0400 (EDT)
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X-Mailer: ELM [version 2.4 PL25]
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MIME-Version: 1.0
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Content-Type: text/plain; charset=US-ASCII
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Content-Transfer-Encoding: 7bit
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Here is the current TODO list. Let's add it to the next distribution.
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This was not ready at the time of the 1.02 release.
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---------------------------------------------------------------------------
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=================================================
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TODO list (FAQ) for Postgres95
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==================================================
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last updated: Mon Aug 5 21:00:12 EDT 1996
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current maintainer: Bruce Momjian (maillist@candle.pha.pa.us)
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original author: Jolly Chen (jolly@cs.berkeley.edu)
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RELIABILITY
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-----------
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Overhaul mdmgr/smgr to fix double unlinking and double opens, cleanup
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Memory leaks (hunt and destroy with tools like Purify)
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fix unitialized reads of memory
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fix array over-runs of memory writes
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Re-visit and fix vacuum
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can't vacuum large objects
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can't shrink tables, pg_time and pg_log
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Fix all NULL features
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DROP AGGREGATE should take in basetype as an arg
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Add other language types for built-in functions
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expand to allow tcl, perl, java,
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generalize the function manager switch to pass
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function sources to interpreter engines.
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Fix large object mapping scheme
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not to stuff everything as files in a single directory
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Fix CLUSTER
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Prevent improper index creation
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Starting quote in insert string errors
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Change default decimal constant representation from float4 to float8
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ALTER TABLE bug - running postgress process needs to re-read table definition
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Allow libpq to distinguish between text value '' and null
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Allow non-postgres users with createdb privs to destroydb's
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PERFORMANCE
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-----------
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Optimizing disjunctive queries
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Other optimizer bugs
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Is fsync use optimized?
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Multi-representational types, a la Illustra. For example, have a
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text type that is stored in-tuple when less than 8K and in large
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objects, when greater than 8K.
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ENHANCEMENTS
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------------
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Add full ANSI SQL capabilities ( a vendor has offered to help)
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add subselects
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column constraints (using rules), esp. primary keys
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add DEFAULT, UNIQUE, RESTRAINT, and CHECK capabilities
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report "Not implemented" if valid syntax is supplied
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add OUTER joins
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make VIEWs updateable where possible
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add UNIONS, INTERSECTS, SUBTRACTS
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add temporary tables
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add assertions
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add domains
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add sql3 recursive unions
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add the concept of dataspaces
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Implement HAVING clause
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Implement IN qualifier
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Add a way to preserve oid's when doing dump and load
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if not, make oid's accessable in insert rules
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Add word index for text fields, maybe with trigrams, i.e.:
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' (cat | dog) & ! fox ' meaning text has cat or dog, but not fox
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Allow compression of large fields or a compressed field type
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Fix the rules system
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robust
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making INSTEAD rules work
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Full set of text operations and functions
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word searches, concat, upper/lower(), max() on text, char
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Replace table-level locking with row or page-level locking
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Large objects
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overwriting blocks has problems
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there are other problems, too.
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Better interface for adding to pg_group
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Make multi-field indexes easier to create
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allow optimizer to effectively use parameters without accessing table
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Improve debugging output
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Add int8 type
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Add table comments
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Add support for tables >2G
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Incorporate the PERL PG95 interface library into source tree
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Threaded version of the server or libpq
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Add REGEX internationalization
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DOCUMENTATION
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-------------
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Better documentation. Write a real book on postgres, perhaps?
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Document OPENLINK fsync patch
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Update usermanual source
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Reduce size of regression diffs
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PORTABILITY
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-----------
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Windows NT port
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Mariposa project at Berkeley has a person who's working on this
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Binary distributions for linux
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Merge bsdi_2_1 to bsdi
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Merge i386_solaris and sparc_solaris into solaris
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