FreeTDS Development Group

[Michael Peppler <mpeppler AT peppler.org>]

Brian Bruns writes:
 > FreeTDS does not manipulation of the SQL text prior to sending it to the 
 > server, except in the case of TDS 7.0 an ascii string is converted to 
 > unicode when submitted.  The content is not changed however.
 > 
 > you may want to try something like 
 > 
 > SELECT "Date" from "Table" 
 > 
 > and there is a way to turn strict ansi compliance on (escapes me at the 
 > moment).  But long story short, ANSI defines " and ' as different things.  
 > ' (single quote) is used for string literals whereas " (double quote) is 
 > used for identifiers such as tables/columns with spaces in them, eg 
 > SELECT "My Column" FROM "My Table With Spaces in the Name"
 > 
 > So double quotes with ansi compliance turned on may work.

For Sybase you normally need to set the "quoted identifier" option for
the connection.

This can be done at the API level (though I suspect that FreeTDS
doesn't support this yet), or via a language request:

SET quoted_identifier on

Michael


 > On Tue, 29 Jan 2002, Shrock, Court wrote:
 > 
 > > Here is my problem:
 > > 
 > > The database that I need to access has table names that are normally
 > > reserved--ie, "Date", "Bit", etc...I would like to be able to pass the 
 > > query
 > > "SELECT Date FROM Events" or "SELECT * FROM Events ORDER BY Date", but 
 > > the
 > > response acts as though it thinks Date is a function (I know one does 
 > > exist,
 > > but I want to refer to the column name, not the function).  I know this
 > > because I get an error about wrong number of parameters with the query
 > > "SELECT Date() FROM Events".  Any ideas?
 > > 
 > > Does freetds do any manipulating of the query string before it sends it 
 > > to
 > > the server listed in the freetds.conf?
 > > 
 > > I can "SELECT * FROM Events" and the Date column is returned, but my 
 > > problem
 > > is that how can one include reference to "Date" in the WHERE, GROUP, and
 > > ORDER portions of the query?  Incidently, the "SELECT * FROM Events" 
 > > returns
 > > the data that I need--connectivity is not a problem.
 > > 
 > > I am accessing the database via PHP-4.1.1/freeTDS-0.53 on linux-2.2.19.
 > > 
 > > Many thanks,
 > > Court
 > > 
 > > 
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-- 
Michael Peppler - Data Migrations Inc. - http://www.mbay.net/~mpeppler
mpeppler AT peppler.org - mpeppler AT mbay.net
International Sybase User Group - http://www.isug.com