[ 
https://issues.apache.org/jira/browse/PHOENIX-5884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ankit Singhal updated PHOENIX-5884:
-----------------------------------
    Attachment: PHOENIX-5884.master.v3.patch

> Join query return empty result when filters for both the tables are present
> ---------------------------------------------------------------------------
>
>                 Key: PHOENIX-5884
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5884
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.14.0
>            Reporter: Ankit Singhal
>            Assignee: Ankit Singhal
>            Priority: Major
>         Attachments: PHOENIX-5884.master.v2.patch, 
> PHOENIX-5884.master.v3.patch, PHOENIX-5884_v1.patch
>
>
> Let's assume DDL to be same for both the tables involved in a join
> {code}
> CREATE TABLE LeftTable (    id1 CHAR(6) NOT NULL,    id2 VARCHAR(22) NOT 
> NULL,    id3 VARCHAR(12) NOT NULL,    id4 CHAR(2) NOT NULL,    id5 CHAR(6) 
> NOT NULL,     id6 VARCHAR(200) NOT NULL,    id7 VARCHAR(50) NOT NULL,    ts 
> TIMESTAMP ,    CONSTRAINT PK_JOIN_AND_INTERSECTION_TABLE PRIMARY 
> KEY(id1,id2,id3,id4,id5,id6,id7))
> {code}
> Following query return right results
> {code}
> SELECT m.*,r.* FROM LEFT_TABLE m join RIGHT_TABLE r  on m.id3 = r.id3 and 
> m.id2 = r.id2  and m.id4 = r.id4  and m.id5 = r.id5  and m.id1 = r.id1  and 
> m.ts = r.ts  where  r.id1 IN ('201904','201905')  and r.id2 = 'ID2_VAL'  and 
> r.id3 IN ('ID3_VAL','ID3_VAL2') 
> {code}
> but When to optimize the query, filters for the left table are also added , 
> query returned empty result . Though the filters are based on join condition 
> so semantically above query and below query should be same.
> {code}
> SELECT m.*,r.* FROM LEFT_TABLE m join RIGHT_TABLE r  on m.id3 = r.id3  and 
> m.id2 = r.id2  and m.id4 = r.id4 and m.id5 = r.id5  and m.id1 = r.id1 and 
> m.ts = r.ts  where m.id1 IN ('201904','201905')  and r.id1 IN 
> ('201904','201905') and r.id2 = 'ID2_VAL'             and m.id3 IN 
> ('ID3_VAL','ID3_VAL2')  and r.id3 IN ('ID3_VAL','ID3_VAL2') 
> {code}



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

Reply via email to