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Request #1607 [patch] PostgreSQL schema (aka namespace) support
Submitted: 2004-06-10 17:17 UTC
From: s dot ballestrero at firenze dot linux dot it Assigned: danielc
Status: Duplicate Package: DB
PHP Version: 4.3.6 OS: Any
Roadmaps: (Not assigned)    
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Anyone can comment on a bug. Have a simpler test case? Does it work for you on a different platform? Let us know! Just going to say 'Me too!'? Don't clutter the database with that please !
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 [2004-06-10 17:17 UTC] s dot ballestrero at firenze dot linux dot it
Description: ------------ While trying to use DB_DataObjects on a PostgreSQL database with schemas and failing, I found that $conn->getListOf('tables') returns the names of the tables without the schema name in front (i.e. 'mytable','mytable' instead of 'myschema1.mytable','myschema2.mytable'). I fixed it by replacing the SQL for listing the tables [DB/pgsql.php v 1.75 function getSpecialQuery($type) line 802] with SELECT n.nspname||'.'||c.relname as "Name" FROM pg_class c JOIN pg_user u ON c.relowner = u.usesysid LEFT JOIN pg_namespace n ON n.oid = c.relnamespace WHERE c.relkind = 'r' AND not exists (select 1 from pg_views where viewname = c.relname) AND c.relname !~ '^pg_' UNION SELECT n.nspname||'.'||c.relname as "Name" FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace WHERE c.relkind = 'r' AND not exists (select 1 from pg_views where viewname = c.relname) AND not exists (select 1 from pg_user where usesysid = c.relowner) AND c.relname !~ '^pg_' Would this be the right way to fix it ? Would this fix break something else ? Cheers, Sergio PS This bug is similar/related to [#682 Feature request: getListOf('pgsql:schema.table');] but, since it breaks DataObjects/createTables.php, I really think it should be a bug, not a feature request. Reproduce code: --------------- # create a db like: create schema myschema1; create schema myschema2; create table myschema1.mytable (id serial, descr text); create table myschema2.mytable (id serial, descr text); # connect to it and do print_r( $conn->getListOf('tables') ); Expected result: ---------------- Array ( [0] =>myschema1.mytable, [1] =>myschema2.mytable ) Actual result: -------------- Array ( [0] =>mytable, [1] =>mytable )

Comments

 [2004-06-18 09:02 UTC] s dot ballestrero at firenze dot linux dot it
I found out that also DB::_pgFieldFlags(...) is affected by PGSQL schemas. I've put up a complete patch on http://www.planetweb.it/opensource/ Please note that this patch WILL BREAK COMPATIBILITY with PostgreSQL pre-7.3 that did not have the pg_namespace system table. How do you think I should handle this problem ?
 [2004-06-18 09:06 UTC] s dot ballestrero at firenze dot linux dot it
(fix the bug Summary that Mozilla autofill messed up :-( )
 [2004-07-12 19:11 UTC] danielc
Change type from bug to feature request.
 [2005-02-02 22:32 UTC] danielc
Support for something like this has been added to CVS in response to Request 682.