[teiid-dev] PostgreSQL Sequences

[Steven Hawkins]

Hi Jimmy,

What type of sequence support are you looking for?  Full language support?   

For Oracle, in designer a sequence may be modeled as a table with a name in source of dual and columns with the name in source set to <sequence name>.[nextval|currentval].  You can use a sequence as the default value for insert columns by setting the column to autoincrement and the name in source to <element name>:SEQUENCE=<sequence name>.<sequence value>.  The latter is more of a workaround though, rather than a good solution.

It seems like we would need to extend that support for PostgreSQL and other databases supporting sequences.  We should also think about getting sequence information as part of dynamic vdb metadata so this isn't a manual exercise.

For documentation we're always looking for more wiki content, examples, etc.  The newer documents, like the admin guide, may be a little lite.  So if you see anything omitted, let us know.

Steve

----- Original Message -----
From: "James C Schappet" <james-schappet at uiowa.edu>
To: teiid-dev at lists.jboss.org
Sent: Monday, June 21, 2010 8:54:47 AM GMT -06:00 US/Canada Central
Subject: [teiid-dev] PostgreSQL Sequences

Quick question:  Will teiid ever support sequences in postgres or oracle?


BTW, Theres lots of good work going on here -- CR2 looks good.

Is there some documentation I could help writing? 

--Jimmy
--
James Schappet
james-schappet at uiowa.edu




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