Re: Schema support

From: anthony(dot)caduto(at)micorp(dot)com
To: pgsql-odbc(at)postgresql(dot)org
Subject: Re: Schema support
Date: 2004-10-04 21:35:19
Message-ID: OFBB248CAE.32773B85-ON86256F23.007630B0-86256F23.0076ABE3@micorp.com
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Hi Dave,
I just started using the PG odbc driver with access and I noticed that the
only schema that would show up was public, even though I had added several
of my own that are visible.
The only way I could get it to work was with the searchpath, and that does
not seem to me how it should work.
The search path is a marginal solution because if you add new schemas you
have to update every single DSN with the new search path, this can be
alleviated some by using a file DSN but it is still a huge PITA.
I was using the stable version from Nov 2003

Thanks,

Tony Caduto
Senior Programmer/Analyst
M&I Trust and Investment Management

"Dave Page" <dpage(at)vale-housing(dot)co(dot)uk>
Sent by: pgsql-odbc-owner(at)postgresql(dot)org
10/04/2004 04:15 PM

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<pgsql-odbc(at)postgresql(dot)org>
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Subject
[ODBC] Schema support

There have been a couple of reports that psqlODBC does not support
schemas. This is not strictly true, it actually has full support for
schemas, however, SQLTables honours the search_path variable on the
server and hides objects in schemas that are not visible.

I'm not convinced this is the correct behaviour - SQLTables should show
everything afaict, unless a parameter is passed to it to filter the
output. The micro-patch below corrects this - however I'm not 100% sure
there won't be any side effects I haven't thought of. I'd appreciate it
if I could get some feedback.

Thanks Dave.

Index: info.c
===================================================================
RCS file: /usr/local/cvsroot/psqlodbc/psqlodbc/info.c,v
retrieving revision 1.114
diff -u -r1.114 info.c
--- info.c 26 Jul 2004 14:10:37 -0000 1.114
+++ info.c 4 Oct 2004 20:59:31 -0000
@@ -1284,7 +1284,6 @@
if (conn->schema_support)
{
schema_strcat1(tables_query, " and
nspname %s '%.*s'",
likeeq, szSchemaName, cbSchemaName, szTableName, cbTableName, conn);
- strcat(tables_query, " and
pg_catalog.pg_table_is_visible(c.oid)");
}
else
my_strcat1(tables_query, " and usename %s
'%.*s'",
likeeq, szSchemaName, cbSchemaName);

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