hive ETL之业绩报表sql

-- case4 --

--========== rates ==========--

app0    1
app1    2
app2    2
app3    3
app4    3
app5    3
app6    5
app7    5
app8    5
app9    5

CREATE EXTERNAL TABLE rates (
app_name    STRING
, star_rates  STRING
)
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'
LOCATION '/tmp/db/rates';

create table app_ranks as
select app_name as app
, star_rates as stars
, NTILE(3) OVER (ORDER BY star_rates DESC) as nt
, row_number() OVER (ORDER BY star_rates DESC) as rn
, rank() OVER (ORDER BY star_rates DESC) as rk
, dense_rank() OVER (ORDER BY star_rates DESC) as drk
, CUME_DIST() OVER (ORDER BY star_rates) as cd
, PERCENT_RANK() OVER (ORDER BY star_rates) as pr
from rates
order by stars desc
;

select app, stars, cd, sum(cd) OVER (PARTITION BY stars ORDER BY rn ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) from app_ranks;

select app, stars, cd, sum(cd) OVER (PARTITION BY stars ORDER BY rn ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING) from app_ranks;

select app, stars, cd, sum(cd) OVER (PARTITION BY stars ORDER BY rn ROWS BETWEEN CURRENT ROW AND 1 FOLLOWING) from app_ranks;

select app, stars, rn, lead(rn) OVER (PARTITION BY stars ORDER BY rn), lag(rn) OVER (PARTITION BY stars ORDER BY rn) from app_ranks;

--========== visitors ==========--

d001    201301    101
d002    201301    102
d003    201301    103
d001    201302    111
d002    201302    112
d003    201302    113
d001    201303    121
d002    201303    122
d003    201303    123
d001    201304    131
d002    201304    132
d003    201304    133
d001    201305    141
d002    201305    142
d003    201305    143
d001    201306    151
d002    201306    152
d003    201306    153
d001    201307    201
d002    201307    202
d003    201307    203
d001    201308    211
d002    201308    212
d003    201308    213
d001    201309    221
d002    201309    222
d003    201309    223
d001    201310    231
d002    201310    232
d003    201310    233
d001    201311    241
d002    201311    242
d003    201311    243
d001    201312    301
d002    201312    302
d003    201312    303
d001    201401    301
d002    201401    302
d003    201401    303
d001    201402    211
d002    201402    212
d003    201402    213
d001    201403    271
d002    201403    272
d003    201403    273
d001    201404    331
d002    201404    332
d003    201404    333
d001    201405    351
d002    201405    352
d003    201405    353

CREATE EXTERNAL TABLE visitors (
domain  STRING
, month   STRING
, visitor STRING
)
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'
LOCATION '/tmp/db/visitors';

select * from visitors where domain = 'd001';

select domain
, month
, visitor
, first_value(visitor) OVER (PARTITION BY domain ORDER BY month DESC)
, last_value(visitor) OVER (PARTITION BY domain ORDER BY month DESC)
, lead(visitor) OVER (PARTITION BY domain ORDER BY month DESC)
, lag(visitor) OVER (PARTITION BY domain ORDER BY month DESC)
from visitors
where domain = 'd001';

select domain
, month
, visitor
, first_value(visitor) OVER (PARTITION BY domain ORDER BY month DESC)
, last_value(visitor) OVER (PARTITION BY domain ORDER BY month DESC)
, lead(visitor, 1, 0) OVER (PARTITION BY domain ORDER BY month DESC)
, lag(visitor, 1, 0) OVER (PARTITION BY domain ORDER BY month DESC)
, lead(visitor, 12, 0) OVER (PARTITION BY domain ORDER BY month DESC)
, lag(visitor, 12, 0) OVER (PARTITION BY domain ORDER BY month DESC)
from visitors
where domain = 'd001';

create table visitors_report as
select domain
, month
, visitor
, lead(visitor, 1, 0) OVER (PARTITION BY domain ORDER BY month DESC)            as last_mon
, visitor - lead(visitor, 1, 0) OVER (PARTITION BY domain ORDER BY month DESC)  as delta_mon
, lead(visitor, 12, 0) OVER (PARTITION BY domain ORDER BY month DESC)           as last_year
, visitor - lead(visitor, 12, 0) OVER (PARTITION BY domain ORDER BY month DESC) as delta_year
from visitors
;

select * from visitors_report where domain = 'd001' and month > '2014';

select month
, domain
, visitor
, last_mon
, last_year
from visitors_report
where (domain = 'd001' or domain = 'd002') and month > '2014'
order by month desc, domain asc
limit 100;

select month
, domain
, visitor
, max(visitor) OVER (PARTITION BY month) as max_visitors
, min(visitor) OVER (PARTITION BY month) as min_visitors
from visitors
where month > '2014'
order by month desc, domain asc;

select *
from (
select month
, domain
, visitor
, max(visitor) OVER (PARTITION BY domain ORDER BY month DESC ROWS BETWEEN CURRENT ROW AND 12 FOLLOWING) as max_visitors_last_12_mon
, min(visitor) OVER (PARTITION BY domain ORDER BY month DESC ROWS BETWEEN CURRENT ROW AND 12 FOLLOWING) as min_visitors_last_12_mon
from visitors
) v
where month > '20131'
order by month desc, domain asc;