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@ -1,7 +1,7 @@ |
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==================================================== |
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TODO list (FAQ) for PostgreSQL |
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==================================================== |
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last updated: Mon Jul 21 18:01:37 EDT 1997 |
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last updated: Sat Sep 13 22:00:05 EDT 1997 |
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current maintainer: Bruce Momjian (maillist@candle.pha.pa.us) |
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@ -25,6 +25,7 @@ Developers who have claimed items are: |
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Martin is Martin S. Utesch <utesch@aut.tu-freiberg.de> |
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Oleg is Oleg Bartunov <oleg@sai.msu.su> |
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Paul is Paul M. Aoki <aoki@CS.Berkeley.EDU> |
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Patrick is Patrick van Kleef <pvk@pobox.com> |
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Raymond is Raymond Toy <toy@rtp.ericsson.se> |
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Soo-Ho Ok <shok@detc.dongeui-tc.ac.kr> |
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Stefan Simkovics <ssimkovi@rainbow.studorg.tuwien.ac.at> |
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@ -38,17 +39,15 @@ RELIABILITY |
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----------- |
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-Overhaul mdmgr/smgr to fix double unlinking and double opens, cleanup(Erich) |
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-Overhaul bufmgr/lockmgr/transaction manager(Vadim) |
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remove -S (stable memory) option or fix memory manager |
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Fix CLUSTER |
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Remove EXTEND? |
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Fix all NULL features |
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allow psql to print nulls meaningfully |
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Fix compile and security of Kerberos/GSSAPI code (Daniel Kalchev?) |
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Dropping a table twice causes corruption, drop/create not rollback-able |
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COUNT on VIEW always returns zero (maybe because there is no oid for views?) |
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CREATE VIEW requires super-user priviledge |
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SELECT a[1] FROM test fails, it needs test.a[1] |
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INSERT INTO ... SELECT DISTINCT ... generates error on DISTINCT |
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pg_database.datdba is oid, should be int4 |
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can lo_export()/lo_import() read/write anywhere, causing a security problem? |
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Fix UPDATE key_table SET keyval=max(reftab.NUM)+1 WHERE tblname='reftab' |
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SELECT COUNT(*) FROM TAB1, TAB2 fails |
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@ -56,6 +55,14 @@ Tables that start with xinv confused to be large objects |
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Two and three dimmensional arrays display improperly, missing {} |
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Add GROUP BY and HAVING to INSERT INTO table SELECT * FROM table2 |
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Make timestamp type recognize DateStyle(Tom) |
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SELECT SUM(2+2) FROM table dumps core |
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lo_unlink() crashes server |
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UPDATE table SET table.value = 3 fails |
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Allow variable casts with BETWEEN 'today'::asbtime AND 'today'::abstime |
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Prevent auto-table reference, like SELECT table.col WHERE col = 3 (?) |
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Remove un-needed malloc() calls and replace with palloc(). |
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SELECT * FROM table WHERE int4_column = '1' fails |
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Allow INSERT INTO table SELECT id, count(*) FROM table2 GROUP BY id |
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ENHANCEMENTS |
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------------ |
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@ -66,16 +73,15 @@ Add full ANSI SQL capabilities (Stefan) |
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column constraints (using rules), PRIMARY KEY during table creation |
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add DEFAULT, RESTRAINT, and CHECK capabilities |
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report "Not implemented" if valid syntax is supplied |
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add NOT NULL to CREATE statement |
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add OUTER joins, left and right |
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add OUTER joins, left and right (Thomas) |
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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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allow conversion type casts on SELECT target fields |
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add DECIMAL, NUMERIC, DOUBLE PRECISION, BIT, BIT VARYING |
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NCHAR (as distinguished from ordinary varchar), |
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Allow compression of large fields or a compressed field type |
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Fix the rules system(Jan?,Soo-Ho) |
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robust |
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@ -92,7 +98,6 @@ Large objects |
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Better interface for adding to pg_group |
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Make MONEY/DECIMAL have a defined precision |
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Add support for tables >2G, or test current version |
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Incorporate the PERL PG95 interface library into source tree(Edmund) |
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Threaded version of the server or libpq |
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Allow libpq to cancel query requests |
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Add REGEX internationalization |
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@ -122,13 +127,13 @@ Add STDDEV/VARIANCE() function for standard deviation computation/variance |
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Add table/column/function discription table indexed by oid |
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add pg_type attribute to identify types that need length (bpchar, varchar) |
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add UNIQUE capability to non-btree indexes |
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make pg_dumpall preserve table ownership, not just database ownership |
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make large objects have their own reltype |
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make number of backends a config parameter, storage/sinvaladt.h:MaxBackendId |
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certain indexes will not shrink, i.e. oid indexes with many inserts |
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make NULL's come out at the beginning or end depending on the ORDER BY direction |
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change the library/backend interface to use network byte order |
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allow unix domain sockets for local connections for performance and security |
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Make operators for float8/int4 arithmetic |
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PERFORMANCE |
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----------- |
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@ -136,9 +141,6 @@ Optimizing disjunctive queries |
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Fix bushy-plans (Martin) |
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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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Use indexes in ORDER BY |
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Profile engine in INSERT's and other operations |
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Cache most recent query plan(s?) |
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@ -146,16 +148,15 @@ Allow compression of log and meta data |
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Allow LIKE/wildcard matches to use indexes if the wildcard character is not first |
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Add FILLFACTOR to index creation |
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Allow indexes to be used with OR clauses(Vadim) |
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Change pg_attribute.attnvals name to attdispursion and change type float4 |
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update pg_statistic table to remove operator column |
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update pg_statistic table to remove operator column |
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DOCUMENTATION |
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------------- |
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Update usermanual source(many) |
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remove time-travel in documentation(Bruce) |
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added features used in grammer but not in docs, like :: and CAST |
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add DECLARE manual page |
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update libpq++ manual page |
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Add pg_password manual page |
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PORTABILITY |
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----------- |
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Bruce Momjian
28 years ago