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https://issues.apache.org/jira/browse/PHOENIX-7543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tanuj Khurana resolved PHOENIX-7543.
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Fix Version/s: 5.3.0
5.2.2
Resolution: Fixed
> Wrong result returned when query is served by index and some columns are null
> -----------------------------------------------------------------------------
>
> Key: PHOENIX-7543
> URL: https://issues.apache.org/jira/browse/PHOENIX-7543
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 5.1.0, 5.1.1, 5.2.0, 5.1.2, 5.1.3, 5.2.1
> Reporter: Tanuj Khurana
> Assignee: Tanuj Khurana
> Priority: Major
> Fix For: 5.3.0, 5.2.2
>
>
> Here is the repro
> {code:java}
> 0: jdbc:phoenix:localhost> create table t1 (id varchar primary key, val1
> bigint, val2 bigint);
> 0: jdbc:phoenix:localhost> create index idx on t1 (val1) include (val2);
> 0: jdbc:phoenix:localhost> upsert into t1 values ('a', 1, 2);
> 0: jdbc:phoenix:localhost> upsert into t1 values ('a', 1, null);
> 0: jdbc:phoenix:localhost> explain select count(*) from t1 where val1=1 and
> val2=2;
> +------------------------------------------+------------------------------------------+------------------------------------------+------------------------------------------+
> | PLAN | EST_BYTES_READ
> | EST_ROWS_READ |
> EST_INFO_TS |
> +------------------------------------------+------------------------------------------+------------------------------------------+------------------------------------------+
> | CLIENT 1-CHUNK PARALLEL 1-WAY RANGE SCAN OVER IDX [1] | null
> | null | null
> |
> | SERVER FILTER BY "VAL2" = 2 | null
> | null | null
> |
> | SERVER AGGREGATE INTO SINGLE ROW | null
> | null | null
> |
> +------------------------------------------+------------------------------------------+------------------------------------------+------------------------------------------+
> 0: jdbc:phoenix:localhost> select count(*) from t1 where val1=1 and val2=2;
> +------------------------------------------+
> | COUNT(1) |
> +------------------------------------------+
> | 1 |
> +------------------------------------------+
> 0: jdbc:phoenix:localhost> select * from t1 where val1=1 and val2=2;
> +------------------------------------------+------------------------------------------+------------------------------------------+
> | ID | VAL1
> | VAL2 |
> +------------------------------------------+------------------------------------------+------------------------------------------+
> | a | 1
> | null |
> +------------------------------------------+------------------------------------------+------------------------------------------+
> 0: jdbc:phoenix:localhost>
> {code}
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