>>>>> "Andrew" == Andrew Perrin <[EMAIL PROTECTED]> writes:
Andrew> What I've done is to write a script that counts the number
Andrew> of eligible exposure candidates:
Andrew> SELECT count(*) FROM participants WHERE <eligibility>
Andrew> AND typenr=1
Andrew> Then subtract that number (currently 28) from 200 to get
Andrew> 172 control participants. Then the problem starts.
[...]
Andrew> returns ERROR: parser: parse error at or near "ORDER"
Can you do this via a subselect:
SELECT * FROM
( SELECT ... FROM participants
WHERE typenr=1 AND <eligibility>
UNION
SELECT ... FROM participants
WHERE typenr=2 LIMIT 172 )
ORDER BY zip;
roland
--
PGP Key ID: 66 BC 3B CD
Roland B. Roberts, PhD RL Enterprises
[EMAIL PROTECTED] 76-15 113th Street, Apt 3B
[EMAIL PROTECTED] Forest Hills, NY 11375
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