<?php
$test = sprintf("SELECT R.rateTypeId
FROM rateType R
LEFT JOIN rateSellPeriod S ON (S.rateTypeId=R.rateTypeId AND '%s'>=fromTime AND '%s'<toTime)
WHERE R.rateTypeId IN (%s) AND (R.enableSellPeriods=0 OR S.rateTypeId IS NOT NULL)",
'a',
'b',
'c');
echo $test;
SELECT R.rateTypeId
FROM rateType R
LEFT JOIN rateSellPeriod S ON (S.rateTypeId=R.rateTypeId AND 'a'>=fromTime AND 'b'<toTime)
WHERE R.rateTypeId IN (c) AND (R.enableSellPeriods=0 OR S.rateTypeId IS NOT NULL)