core/sql/qms/debug/f9

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obey regr.init;
-- Q12
    select
        l_shipmode, 
        sum (case when o_orderpriority ='1-URGENT'
        or o_orderpriority ='2-HIGH'
        then 1 else 0 end) as high_line_count,
        sum (case when o_orderpriority <> '1-URGENT'
        and o_orderpriority <> '2-HIGH'
        then 1 else 0 end) as low_line_count
    from orders,lineitem
    where 
        o_orderkey = l_orderkey
        and l_shipmode in ('MAIL','SHIP')
        and l_commitdate < l_receiptdate
        and l_shipdate < l_commitdate
        and l_receiptdate >= date '1994-01-01'
        and l_receiptdate < date '1994-01-01' + interval '1' year
    group by l_shipmode;