You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@kylin.apache.org by "nichunen (Jira)" <ji...@apache.org> on 2019/12/16 06:01:00 UTC
[jira] [Updated] (KYLIN-4166) kylin parse sql error
[ https://issues.apache.org/jira/browse/KYLIN-4166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
nichunen updated KYLIN-4166:
----------------------------
Fix Version/s: v3.1.0
> kylin parse sql error
> ---------------------
>
> Key: KYLIN-4166
> URL: https://issues.apache.org/jira/browse/KYLIN-4166
> Project: Kylin
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: v3.0.0-alpha2
> Reporter: phil.zhang
> Assignee: Yaqian Zhang
> Priority: Critical
> Fix For: v3.1.0
>
> Attachments: 1.png, 2.png, 3.png, 4.png, image-2019-09-20-15-22-15-356.png, image-2019-09-20-15-23-29-881.png
>
>
>
> 1. I use tableau on kylin, tableau has generate a sql :
> '''
> SELECT "X___SQL___"."FLIGHT_TYPE" AS "FLIGHT_TYPE", SUM("X___SQL___"."SHOPPING_SUCCESS_COUNT") AS "sum_SHOPPING_SUCCESS_COUNT_ok" FROM ( select *, case when cast(DURATION_LEVEL as varchar) like '1' then '>=0s,<3s' when cast(DURATION_LEVEL as varchar) like '2' then '>=3s,<4s' when cast(DURATION_LEVEL as varchar) like '3' then '>=4s,<5s' when cast(DURATION_LEVEL as varchar) like '4' then '>=5s,<6s' when cast(DURATION_LEVEL as varchar) like '5' then '>=6s,<7s' when cast(DURATION_LEVEL as varchar) like '6' then '>=7s,<8s' when cast(DURATION_LEVEL as varchar) like '7' then '>=8s,<9s' when cast(DURATION_LEVEL as varchar) like '8' then '>=9s,<10s' when cast(DURATION_LEVEL as varchar) like '9' then '>=10s,<12s' when cast(DURATION_LEVEL as varchar) like '10' then '>=12s,<14s' when cast(DURATION_LEVEL as varchar) like '11' then '>=14s,<16s' when cast(DURATION_LEVEL as varchar) like '12' then '>=16s,<18s' when cast(DURATION_LEVEL as varchar) like '13' then '>=18s,<20s' when cast(DURATION_LEVEL as varchar) like '14' then '>=20s,<30s' when cast(DURATION_LEVEL as varchar) like '15' then '>=30s,<40s' when cast(DURATION_LEVEL as varchar) like '16' then '>=40s,<50s' when cast(DURATION_LEVEL as varchar) like '17' then '>=50s' else 'null' end as DURATION_LEVEL_TRANS from DM_AIR_API_DURATION_SPB_D ) "X___SQL___" WHERE ("X___SQL___"."DURATION_LEVEL_TRANS" = '>=5s,<6s') GROUP BY 1
> '''
> it seems that the sql is correct, but the result is unexpect, it returns null .
> !image-2019-09-20-15-22-15-356.png!
> But actually, it should returns some rows because there exist data fit the query, let's change the sql form to check it.
> '''
> SELECT "FLIGHT_TYPE" AS "FLIGHT_TYPE", SUM("SHOPPING_SUCCESS_COUNT") AS "sum_SHOPPING_SUCCESS_COUNT_ok" from DM_AIR_API_DURATION_SPB_D WHERE ("DURATION_LEVEL" = 4 and "DAY_NUM"='2019-09-10') GROUP BY 1
> '''
> !image-2019-09-20-15-23-29-881.png!
>
> 2. and when i write sql like this
> '''
> SELECT flight_type,SUM("SHOPPING_SUCCESS_COUNT") AS "sum_SHOPPING_SUCCESS_COUNT_ok" from DM_AIR_API_DURATION_SPB_D group by flight_type
> '''
> i got result {color:#333333}like this{color}
> {color:#333333}!http://mail.163.com/js6/s?func=mbox:getMessageData&mid=270:xtbBDhAtQVrbEIH+vQAAsh&part=5!{color}
> it is same to the result of
> '''
> SELECT "X___SQL___"."FLIGHT_TYPE" AS "FLIGHT_TYPE", SUM("X___SQL___"."SHOPPING_SUCCESS_COUNT") AS "sum_SHOPPING_SUCCESS_COUNT_ok" FROM ( select *, case when cast(DURATION_LEVEL as varchar) like '1' then *'>=0s,<3s'* when cast(DURATION_LEVEL as varchar) like '2' then '>=3s,<4s' when cast(DURATION_LEVEL as varchar) like '3' then '>=4s,<5s' when cast(DURATION_LEVEL as varchar) like '4' then '>=5s,<6s' when cast(DURATION_LEVEL as varchar) like '5' then '>=6s,<7s' when cast(DURATION_LEVEL as varchar) like '6' then '>=7s,<8s' when cast(DURATION_LEVEL as varchar) like '7' then '>=8s,<9s' when cast(DURATION_LEVEL as varchar) like '8' then '>=9s,<10s' when cast(DURATION_LEVEL as varchar) like '9' then '>=10s,<12s' when cast(DURATION_LEVEL as varchar) like '10' then '>=12s,<14s' when cast(DURATION_LEVEL as varchar) like '11' then '>=14s,<16s' when cast(DURATION_LEVEL as varchar) like '12' then '>=16s,<18s' when cast(DURATION_LEVEL as varchar) like '13' then '>=18s,<20s' when cast(DURATION_LEVEL as varchar) like '14' then '>=20s,<30s' when cast(DURATION_LEVEL as varchar) like '15' then '>=30s,<40s' when cast(DURATION_LEVEL as varchar) like '16' then '>=40s,<50s' when cast(DURATION_LEVEL as varchar) like '17' then '>=50s' else 'null' end as DURATION_LEVEL_TRANS from DM_AIR_API_DURATION_SPB_D ) "X___SQL___" WHERE ("X___SQL___"."DURATION_LEVEL_TRANS" = *'>=0s,<3s'*) GROUP BY 1
> '''
> !http://mail.163.com/js6/s?func=mbox:getMessageData&mid=270:xtbBDhAtQVrbEIH+vQAAsh&part=6!
>
>
> {quote} *I guess maybe there are some bugs about parsing sql like upper ? I hope someone can help me to deal this problem.*
> {quote}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)