[jira] [Resolved] (PHOENIX-2319) SELECT failed on secondary index when table's columns are ALL primary key

["James Taylor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PHOENIX-2319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Taylor resolved PHOENIX-2319.
-----------------------------------
       Resolution: Fixed
         Assignee: James Taylor
    Fix Version/s: 4.6.0

> SELECT failed on secondary index when table's columns are ALL primary key
> -------------------------------------------------------------------------
>
>                 Key: PHOENIX-2319
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2319
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.5.2
>         Environment: cdh5.3.6
>            Reporter: Chunhui Liu
>            Assignee: James Taylor
>            Priority: Minor
>             Fix For: 4.6.0
>
>         Attachments: PHOENIX-2319.patch, it-test-table-only-has-primary-key-index.patch
>
>
> 1. create a table, and use all columns(eg. pk1, pk2) as constraint pk;
> 2. create a secondary index on the table, use (pk2, pk1) as constraint pk;
> 3. create some test data;
> 4. select pk1, pk2 from t where pk2='202';
> 5. no result;
> {code:sql}
> --Create table, all columns are primary key.
> CREATE TABLE IF NOT EXISTS T (
>    PK1 VARCHAR not null,
>    PK2 VARCHAR not null,
>    CONSTRAINT PK PRIMARY KEY (PK1, PK2)
> );
> --Create secondary index
> CREATE INDEX IDX_T ON T
> (
>    PK2, PK1
> );
> --Test data
> UPSERT INTO T VALUES('100', '200');
> UPSERT INTO T VALUES('101', '201');
> UPSERT INTO T VALUES('102', '202');
> UPSERT INTO T VALUES('103', '203');
> UPSERT INTO T VALUES('104', '204');
> --make sure data was created correctly.
> SELECT * FROM T;
> --success
> SELECT PK1, PK2 FROM T WHERE PK1='102';
> --no result with conditions(pk2[=,>,<,>=,<=]'202')
> EXPLAIN
> SELECT PK1, PK2 FROM T WHERE PK2 = '202';
> --no result
> SELECT * FROM IDX_T WHERE ':PK2'='202'
> --success
> EXPLAIN
> SELECT /*+ NO_INDEX*/ PK1, PK2 FROM T WHERE PK2 = '202';
> --cleanup
> DROP TABLE IF EXISTS T;
> {code}
> Then, I create a table with extra column(KV), SELECT is ok.
> {code:sql}
> CREATE TABLE IF NOT EXISTS T (
>    PK1 VARCHAR not null,
>    PK2 VARCHAR not null,
>    KV  VARCHAR,
>    CONSTRAINT PK PRIMARY KEY (PK1, PK2)
> );
> --Create secondary index
> CREATE INDEX IDX_T ON T
> (
>    PK2, PK1
> );
> {code}



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