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| -rw-r--r-- | doc/TODO | 50 |
1 files changed, 26 insertions, 24 deletions
@@ -1,7 +1,7 @@ ==================================================== TODO list (FAQ) for PostgreSQL ==================================================== -last updated: Wed Jan 29 00:16:44 EST 1997 +last updated: Sat Mar 1 21:28:10 EST 1997 current maintainer: Bruce Momjian (maillist@candle.pha.pa.us) @@ -16,6 +16,7 @@ Developers who have claimed items are: Bruce is Bruce Momjian<maillist@candle.pha.pa.us> Bryan is Bryan Henderson<bryanh@giraffe.netgate.net> Dan is Dan McGuirk <mcguirk@indirect.com> + Daniel is Daniel Kalchev <daniel@digsys.bg> Darren is Darren King <darrenk@insightdist.com> Edmund is Edmund Mergl <E.Mergl@bawue.de> Erich Stamberger <eberger@gewi.kfunigraz.ac.at> @@ -33,17 +34,20 @@ remove -S (stable memory) option or fix memory manager Fix CLUSTER Fix all NULL features allow psql to print nulls meaningfully -Fix compile and security of Kerberos V code +Fix compile and security of Kerberos/GSSAPI code (Daniel Kalchev?) Dropping a table twice causes corruption, drop/create not rollback-able -SUM aggregate on no rows or null value should return NULL, not zero(Thomas) SELECT on two tables where zero or one table in WHERE and target - clause returns no rows -fix system to use oid index using constant without cast to oid + clause returns no rows COUNT on VIEW always returns zero (maybe because there is no oid for views?) CREATE VIEW requires super-user priviledge SELECT a[1] FROM test fails, it needs test.a[1] INSERT INTO ... SELECT DISTINCT ... generates error on DISTINCT pg_database.datdba is oid, should be int4 +fix array diffs in regression test +can lo_export()/lo_import() read/write anywhere, causing a security problem? +SELECT ... INTO TABLE ... with varchar()/char() types have zero-length fields +Fix UPDATE key_table SET keyval=max(reftab.NUM)+1 WHERE tblname='reftab' ENHANCEMENTS ------------ @@ -63,7 +67,7 @@ Add full ANSI SQL capabilities add domains add sql3 recursive unions add the concept of dataspaces - allow conversion type casts on select target fields + allow conversion type casts on SELECT target fields Allow compression of large fields or a compressed field type Fix the rules system(Jan?) robust @@ -92,22 +96,21 @@ Add other language types for built-in functions expand to allow tcl, perl, java, generalize the function manager switch to pass function sources to interpreter engines. - remove time-travel feature(Vadim) - reduce system column overhead(Vadmin) - remove pg_time table(Vadim) - allow row re-use without vacuum, maybe?(Vadim) - split apart row removal function from statistics function - can't vacuum large objects +remove time-travel feature(Vadim) +reduce system column overhead(Vadmin) +remove pg_time table(Vadim) +allow row re-use without vacuum, maybe?(Vadim) +split apart row removal function from statistics function +can't vacuum large objects Remove restriction that ORDER BY field must be in SELECT list(?) Allow queries about owner of datbases, tables like: SELECT u.usesysid FROM postgres.pg_user u; DROP AGGREGATE should take in basetype as an arg(Darren) Add word index for text fields, maybe with trigrams, i.e.: ' (cat | dog) & ! fox ' meaning text has cat or dog, but not fox -Add common-sense constant type promotions +-Add common-sense constant type promotions(Bruce) Allow readline-type or editor command editing of multi-line SQL commands -Allow pg_dump to dump all databases at a site in one command -Allow function result to be used in GROUP BY +-Allow pg_dump to dump all databases at a site in one command(Bruce) Populate backend status area and write program to dump status data Add ALTER TABLE DROP COLUMN feature Remove stale files upon startup(Vivek) @@ -118,11 +121,13 @@ Allow aggregate for All types, like count(Darren) Improve optimizer plan choice(Darren) Add STDDEV/VARIANCE() function for standard deviation computation/variance Add upper/lower functions --Add table/column/function discription table indexed by oid +Add table/column/function discription table indexed by oid -make all identifiers case-insensitive(Bruce) add pg_type attribute to identify types that need length (bpchar, varchar) add UNIQUE capability to non-btree indexes -improve auto-type casting +allow GROUP BY on columns that are functions +add non-ascii collating strings with strcoll() and setlocale() +new DATE routines (Thomas) PERFORMANCE ----------- @@ -136,12 +141,12 @@ Multi-representational types, a la Illustra. For example, have a objects, when greater than 8K. Use indexes in ORDER BY Profile engine in INSERT's and other operations -Speed up hash creation by using btree's fast sort/insert routines +-Speed up hash creation by using btree's fast sort/insert routines(done) Cache most recent query plan(s?) Allow compression of log and meta data Allow LIKE/wildcard matches to use indexes if the wildcard character is not first Add FILLFACTOR to index creation -Allow indexes to be used with OR clauses +Allow indexes to be used with OR clauses(Vadim) -Add column optimization statistics to vacuum(Bruce) -Change pg_attribute.attnvals name to attdispursion and change type float4 update pg_statistic table to remove operator column @@ -151,15 +156,10 @@ DOCUMENTATION Update usermanual source remove time-travel in documentation(Bruce) added features used in grammer but not in docs, like :: and CAST -add DECLARE manual pages +add DECLARE manual page PORTABILITY ----------- -Windows NT port - Mariposa project at Berkeley has a person who's working on this -Win95 port, use GNU port or remove it? -Merge i386_solaris and sparc_solaris into solaris -Switch from PORTNAME to individual feature defines (use configure/autoconf?) Change c.h "Index" and "bool" so they do not conflict with c++ @@ -214,6 +214,8 @@ Allow libpq to distinguish between text value '' and null(Bruce) Allow non-postgres users with createdb privs to destroydb's Allow restriction on who can create C functions(Bryan) Allow restriction on who can do backend COPY(Bryan) +Allow system to use oid index using constant without cast to oid(Bruce) +Auto-cast numeric constants to type of non-constant(Bruce) Can shrink tables, pg_time and pg_log(Vadim & Erich) Change debug level 2 to print queries only, changed debug heading layout(Bruce) Change default decimal constant representation from float4 to float8(Bruce) |