Question

我想将以下两个查询合并为一个查询。这是两个查询。有人知道这是否可能吗？第二个查询中的汇总让我觉得不，但是我想把它丢给专家看看您的想法。

查询1：

SELECT  a.id, a.ord_nb, a.scr,
        a.fr,
        a.rank,
        CASE WHEN tp.tps_jnr_cn > 0 THEN 'Jnrs'
        WHEN tp.tps_chld_cn > 0 THEN 'Chld'
        WHEN tp.tps_ifnt_cn > 0 THEN 'Ifnt'
        WHEN tp.tps_snr_cn > 0 THEN 'Snrs'
        ELSE 'Non'
        END AS Party_Seg,
        CASE WHEN gx.id IS NOT NULL THEN 1 ELSE 0 END 
        AS rpt
FROM    xi.aff a
LEFT JOIN oper.d_tps tp
    ON tp.tps_id = a.ord_nb
LEFT JOIN XI.gst_exprnc gx
    ON a.id = gx.id
    AND tp.strt_dt > gx.strt_dts + INTERVAL '30' DAY
    AND gx.exprnc_typ_id IN (309) --Park Experience
QUALIFY Row_Number() Over (
PARTITION BY ord_nb, scr, fr 
ORDER BY rank DESC) = 1
ORDER BY ord_nb, fr, scr

查询2：

SELECT  a.ord_nb,
        a.fr, Max(a.rank), Min(a.rank),
        Max(a.rank) - Min(a.rank)
FROM    (
    SELECT  ord_nb, fr, rank 
    FROM    xi.aff
    QUALIFY Row_Number() Over (
    PARTITION BY ord_nb, fr, scr
    ORDER BY rank DESC) = 1
        ) a
GROUP BY 1, 2
ORDER BY ord_nb, fr

Answer 1

考虑将两个查询作为派生表联接：

SELECT t1.*, t2.Min_Rank, t2.Max_Rank, t2.Max_Min_Diff_Rank
FROM
  ([--INSERT 1ST QUERY REMOVING ORDER BY AT END--]) t1
INNER JOIN
  ([--INSERT 2ND QUERY REMOVING ORDER BY AT END AND NAMING RANK COLUMNS--]) t2
ON t1.ord_nb = t2.ord_nbAND t2.fr = t2.fr
ORDER BY t1.ord_nb, t1.fr, t1.scr

结合两个Teradata SQL查询

1 个答案: