can't read "conn": no such variable while executing "pg_exec $conn $query" (procedure "doquery" line 16) invoked from within "doquery {dbname=enn user=careilly} {select headline from stories where oid=7452082}" ("uplevel" body line 1) invoked from within "uplevel $args" (procedure "slave_unknown" line 4) invoked from within "doquery "dbname=enn user=careilly" "select headline from stories where oid=$responses(code)"" invoked from within "$safeInterp eval $ssiCode"