"Select failed" error message

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when I execute the select statement below I get the error message below:

Database operation "select" failed (exception NSDB, "Query was not a statement returning rows.") while executing "ns_db select $db $query" invoked from within "set selection [ns_db select $db $query] " (file "/web/antl/www/oevelse9/view_all_single.tcl" line 12) invoked from within "source $file"

Here's the SELECT part of my script:

set query "select rest_name,rest.rest_id,review,name,avg(rating)as average from rating,rest where rest.rest_id = '$rest_id' group by rest_name,rest.rest_id,review,name order by average desc"

# Perform the query set selection [ns_db select $db $query]

The error message seems to indicate something is wrong with my select statement. But when I run it in the sql prompt, where I substitute rating.rest_id for the $rest_id above, it works fine.

Can anyone see what the problem might be????

Thanx Tony

-- Tony (antl@it-c.dk), April 20, 2002


You need to expand your where-clause with a link between the to tables involved, i.e. add a 'where rest.rest_id=rating.rest_id'...


-- Lasse (xls@it.edu), April 20, 2002.

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