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https://issues.apache.org/jira/browse/PHOENIX-4642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xinyi Yan resolved PHOENIX-4642.
--------------------------------
    Resolution: Cannot Reproduce

> Select from local index in backward direction returns only from last region.
> ----------------------------------------------------------------------------
>
>                 Key: PHOENIX-4642
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4642
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.11.0
>         Environment: Amazon EMR HBase 1.3 Phoenix 4.11 .
>            Reporter: Sokolov Yura
>            Priority: Major
>
> I have a table:
> {code}
> CREATE TABLE IF NOT EXISTS PRODUCT_HISTORY_2 (                                
>                                                                               
>                                                                            
>     ts BIGINT NOT NULL,                                                       
>                                           
>     id VARCHAR NOT NULL,                                                      
>                                           
>     merchantId VARCHAR,                                                       
>                                           
>     storeId VARCHAR,                                                          
>                                           
>     a.product VARCHAR,                                                        
>                                           
>     CONSTRAINT pk PRIMARY KEY(ts, id)                                         
>                                           
> ) 
> COMPRESSION=GZ,VERSIONS=2,UPDATE_CACHE_FREQUENCY=1000,APPEND_ONLY_SCHEMA=true,IMMUTABLE_ROWS=true;
>                     
>                                                                               
>                                           
> CREATE LOCAL INDEX IF NOT EXISTS PRODUCT_HISTORY_2_ID_TS ON PRODUCT_HISTORY_2 
> (                                         
>     id, ts                                                                    
>                                           
> ) COMPRESSION=GZ;
> {code}
> It is large enough to be splitted into 16 regions.
> Now I want to select alll items by id:
> {code}
> 0: jdbc:phoenix:localhost:2181:/hbase> select id, ts from product_history_2 
> where id = '1491199695565244581-139-1-582-3894176988' order by ts;
> +-------------------------------------------+----------------+
> |                    ID                     |       TS       |
> +-------------------------------------------+----------------+
> | 1491199695565244581-139-1-582-3894176988  | 1498709133486  |
> | 1491199695565244581-139-1-582-3894176988  | 1498810584706  |
> | 1491199695565244581-139-1-582-3894176988  | 1499083503309  |
> | 1491199695565244581-139-1-582-3894176988  | 1499170817262  |
> | 1491199695565244581-139-1-582-3894176988  | 1503663938614  |
> | 1491199695565244581-139-1-582-3894176988  | 1506596564228  |
> | 1491199695565244581-139-1-582-3894176988  | 1509714911254  |
> | 1491199695565244581-139-1-582-3894176988  | 1517514069109  |
> +-------------------------------------------+----------------+
> 8 rows selected (0,107 seconds)
> {code}
> And now I want to fetch same rows, but with time descending:
> {code}
> 0: jdbc:phoenix:localhost:2181:/hbase> select id, ts from product_history_2 
> where id = '1491199695565244581-139-1-582-3894176988' order by ts desc;
> +-------------------------------------------+----------------+
> |                    ID                     |       TS       |
> +-------------------------------------------+----------------+
> | 1491199695565244581-139-1-582-3894176988  | 1517514069109  |
> | 1491199695565244581-139-1-582-3894176988  | 1509714911254  |
> +-------------------------------------------+----------------+
> 2 rows selected (0,048 seconds)
> {code}
> Ooops, where are other 6 rows?
> Both queries uses local index:
> {code}
> 0: jdbc:phoenix:localhost:2181:/hbase> explain select id, ts from 
> product_history_2 where id = '1491199695565244581-139-1-582-3894176988' order 
> by ts;
> +--------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+----------------+
> |                                                                       PLAN  
>                                                                      | 
> EST_BYTES_READ  | EST_ROWS_READ  |
> +--------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+----------------+
> | CLIENT 14-CHUNK 34026740 ROWS 4089447171 BYTES PARALLEL 14-WAY RANGE SCAN 
> OVER PRODUCT_HISTORY_2 [1,'1491199695565244581-139-1-582-3894176988']  | null 
>            | null           |
> |     SERVER FILTER BY FIRST KEY ONLY                                         
>                                                                      | null   
>          | null           |
> | CLIENT MERGE SORT                                                           
>                                                                      | null   
>          | null           |
> +--------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+----------------+
> 3 rows selected (0,024 seconds)
> 0: jdbc:phoenix:localhost:2181:/hbase> explain select id, ts from 
> product_history_2 where id = '1491199695565244581-139-1-582-3894176988' order 
> by ts desc;
> +----------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+----------------+
> |                                                                           
> PLAN                                                                          
>  | EST_BYTES_READ  | EST_ROWS_READ  |
> +----------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+----------------+
> | CLIENT 14-CHUNK 34026740 ROWS 4089447171 BYTES PARALLEL 14-WAY REVERSE 
> RANGE SCAN OVER PRODUCT_HISTORY_2 
> [1,'1491199695565244581-139-1-582-3894176988']  | null            | null      
>      |
> |     SERVER FILTER BY FIRST KEY ONLY                                         
>                                                                              
> | null            | null           |
> | CLIENT MERGE SORT                                                           
>                                                                              
> | null            | null           |
> +----------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+----------------+
> 3 rows selected (0,018 seconds)
> {code}
> Possibly related bugs are : PHOENIX-3898 and PHOENIX-4292
> Unfortunately I can no test phoenix 4.13 yet.



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