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宽表通用圈选洞察引擎: 任意维度的集合交并差计算 SQL 逻辑

宽表通用圈选洞察引擎: 任意维度的集合交并差计算 SQL 逻辑

作者: 光剑书架上的书 | 来源:发表于2022-03-08 03:26 被阅读0次

    宽表通用圈选洞察引擎: 任意维度的集合交并差计算 SQL 逻辑

    select count(UserID)
    from visits_v1
    where Age > 20
      and StartTime > '2014-03-17 04:36:11';
    
    select count(distinct UserID)
    from visits_v1
    where Age > 20
      and StartTime > '2014-03-17 04:36:11';
    
    select count(VisitID)
    from visits_v1;
    
    select count(distinct VisitID)
    from visits_v1;
    
    
    
    select count(UserID)
    from hits_v1
    where Age > 20
      and EventTime > '2014-03-17 04:36:11';
    
    select count(distinct UserID)
    from hits_v1
    where Age > 20
      and EventTime > '2014-03-17 04:36:11';
    
    
    select count(distinct UserID) as user_cnt, count(1) as total
    from tutorial.hits_v1;
    
    
    select count(distinct (VisitID)) as user_cnt, count(1) as total
    from tutorial.visits_v1;
    
    select uniq(VisitID) as cnt, Age as fv
    from tutorial.visits_v1
    where Age > 0
    group by Age
    order by cnt desc;
    
    
    select count(WatchID)
    from hits_v1;
    
    
    select count(VisitID)
    from visits_v1;
    
    drop table tutorial.hit_event;
    
    -- create table tutorial.hit_event
    -- (
    --     date  Date,
    --     value AggregateFunction(sum, UInt32)
    -- ) ENGINE = MergeTree
    --       PARTITION BY date
    --       ORDER BY date
    -- ;
    
    alter
    table
    tutorial.hit_event
    delete
    where 1 = 1;
    
    drop table tutorial.hit_event;
    
    CREATE MATERIALIZED VIEW tutorial.hit_event
                ENGINE = AggregatingMergeTree()
                    PARTITION BY EventDate
                    ORDER BY (CounterID, EventDate)
                POPULATE
    AS
    SELECT CounterID,
           EventDate,
           sumState(RequestNum) AS RequestNums, --使用 sumState 函数写入时聚合函数类型字段值
           uniqState(UserID)    AS Users        --使用 uniqState 函数写入时聚合函数类型字段值
    FROM tutorial.hits_v1
    GROUP BY CounterID, EventDate;
    
    
    select count(1)
    from tutorial.hit_event;
    
    
    SELECT EventDate, sumMerge(RequestNums) AS RequestNums, uniqMerge(Users) AS Users
    FROM tutorial.hit_event
    GROUP BY EventDate
    ORDER BY EventDate;
    
    
    SELECT EventDate, sum(RequestNum) AS RequestNums, uniq(UserID) AS Users
    FROM tutorial.hits_v1
    GROUP BY EventDate;
    
    
    alter
    table
    tutorial.hit_event
    delete
    where 1 = 1;
    
    select count(1)
    from tutorial.hit_event;
    
    -- select sum(request_num) as cnt
    -- from tutorial.hit_event
    -- order by cnt desc;
    
    -- select sumMerge(value) as cnt
    -- from tutorial.hit_event
    -- order by cnt desc;
    --
    --
    -- select sumMerge(state)
    -- from (select sumState(request_num) as state from tutorial.hit_event);
    --
    --
    
    
    --交集
    select [1,2] as a, [2,3] as b, arrayIntersect(a, b);
    
    --并集
    select [1,2] as a, [2,3] as b, arrayDistinct(arrayConcat(a, b));
    
    --差集
    select [1,2] as a,
           [2,3] as b,
           arrayFilter(x->x is not null, arrayMap(x -> case when x not in arrayIntersect(a, b) then x end, a));
    
    
    select [1,2] as a,
           [2,3] as b,
           arrayFilter(x->x is not null, arrayMap(x -> case when x not in arrayIntersect(a, b) then x end, a));
    
    select a.i
    from (select arrayJoin([1,2]) i) a INTERSECT
    select b.i
    from (select arrayJoin([2, 3]) i) b;
    
    SET union_default_mode = 'ALL';
    select distinct(t.i)
    from (select a.i from (select arrayJoin([1,2]) i) a UNION select b.i from (select arrayJoin([2,3]) i) b ) t;
    
    select a.i
    from (select arrayJoin([1,2]) i) a EXCEPT
    select b.i
    from (select arrayJoin([2, 3]) i) b;
    
    
    -- SET union_default_mode = 'DISTINCT';
    -- SET union_default_mode = 'ALL';
    
    
    select array(1, 2, 2) as a,
           array(2, 2, 3) as b,
           arrayIntersect(a, b);
    
    SELECT arrayIntersect([1, 2, 3, 3], [4, 5, 6])          AS noIntersect,
           arrayIntersect([1, 2, 3, 3], [2, 2, 3, 4, 5, 6]) AS hasIntersect;
    
    
    --160 ms (execution: 144 ms, fetching: 16 ms)
    select arrayIntersect((select groupUniqArray(UserID) from hits_v1 where RequestNum > 10),
                          (select groupUniqArray(UserID) from hits_v1 where RequestNum < 10));
    
    --211 ms (execution: 194 ms, fetching: 17 ms)
    select arrayIntersect(
                       (select groupUniqArray(UserID) from hits_v1 where RequestNum = 15),
                       (select arrayIntersect((select groupUniqArray(UserID) from hits_v1 where RequestNum > 10),
                                              (select groupUniqArray(UserID) from hits_v1 where RequestNum < 20))));
    
    
    
    select t.a1, t.a2
    from (select [1,2] as a1, [2,3] as a2) t;
    
    
    select arrayIntersect(
                       (select groupUniqArray(UserID) from hits_v1 where RequestNum = 15),
                       (select arrayIntersect((select groupUniqArray(UserID) from hits_v1 where RequestNum > 10),
                                              (select groupUniqArray(UserID) from hits_v1 where RequestNum < 20))));
    
    --arrayIntersect(t[3],arrayIntersect(t[1], t[2])), 数组下标从 1 开始
    
    select t.res
    from (
             select arrayIntersect(t[3], arrayIntersect(t[1], t[2])) as res,
                    array(
                                (select groupUniqArray(UserID) from hits_v1 where RequestNum = 15),
                                (select groupUniqArray(UserID) from hits_v1 where RequestNum > 10),
                                (select groupUniqArray(UserID) from hits_v1 where RequestNum < 20)
                        )                                               t
             ) t;
    
    
    
    select length(t.res)
    from (
             select arrayIntersect(t[3], arrayIntersect(t[1], t[2])) as res,
                    array(
                                (select groupUniqArray(UserID) from hits_v1 where Sex = 1),
                                (select groupUniqArray(UserID) from hits_v1 where Age > 18),
                                (select groupUniqArray(UserID) from hits_v1 where RequestNum > 0)
                        )                                               t
             ) t;
    
    
    
    select uniq(hits_v1.UserID)
    from hits_v1
    where Sex = 1
      and Age > 18
      and RequestNum > 0;
    
    select 1 in [1,23];
    
    
    select uniq(hits_v1.UserID) * (1 / 0.1) as cnt, EventDate
    from hits_v1 SAMPLE 0.1
    where UserID in (
        select arrayJoin(t.res)
        from (
                 select arrayIntersect(t[3], arrayIntersect(t[1], t[2])) as res,
                        array(
                                    (select groupUniqArray(UserID) from hits_v1 where Sex = 1),
                                    (select groupUniqArray(UserID) from hits_v1 where Age > 18),
                                    (select groupUniqArray(UserID) from hits_v1 where RequestNum > 0)
                            )                                               t
                 ) t
    )
    group by EventDate
    order by cnt desc
    ;
    
    
    select sum(hits_v1.RequestNum) as cnt, EventDate
    from hits_v1
    where UserID in (
        select arrayJoin(t.res)
        from (
                 select arrayIntersect(t[3], arrayIntersect(t[1], t[2])) as res,
                        array(
                                    (select groupUniqArray(UserID) from hits_v1 where Sex = 1),
                                    (select groupUniqArray(UserID) from hits_v1 where Age > 18),
                                    (select groupUniqArray(UserID) from hits_v1 where RequestNum > 0)
                            )                                               t
                 ) t
    )
    group by EventDate
    order by cnt desc
    ;
    
    
    

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