[jira] [Assigned] (HIVE-27163) Column stats are not getting published after an insert query into an external table with custom location

["Naveen Gangam (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-27163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Naveen Gangam reassigned HIVE-27163:
------------------------------------

    Assignee: Zhihua Deng

> Column stats are not getting published after an insert query into an external table with custom location
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-27163
>                 URL: https://issues.apache.org/jira/browse/HIVE-27163
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Taraka Rama Rao Lethavadla
>            Assignee: Zhihua Deng
>            Priority: Major
>
> Test case details are below
> *test.q*
> {noformat}
> set hive.stats.column.autogather=true;
> set hive.stats.autogather=true;
> dfs ${system:test.dfs.mkdir} ${system:test.tmp.dir}/test;
> create external table test_custom(age int, name string) stored as orc location '/tmp/test';
> insert into test_custom select 1, 'test';
> desc formatted test_custom age;{noformat}
> *test.q.out*
>  
>  
> {noformat}
> #### A masked pattern was here ####
> PREHOOK: type: CREATETABLE
> #### A masked pattern was here ####
> PREHOOK: Output: database:default
> PREHOOK: Output: default@test_custom
> #### A masked pattern was here ####
> POSTHOOK: type: CREATETABLE
> #### A masked pattern was here ####
> POSTHOOK: Output: database:default
> POSTHOOK: Output: default@test_custom
> PREHOOK: query: insert into test_custom select 1, 'test'
> PREHOOK: type: QUERY
> PREHOOK: Input: _dummy_database@_dummy_table
> PREHOOK: Output: default@test_custom
> POSTHOOK: query: insert into test_custom select 1, 'test'
> POSTHOOK: type: QUERY
> POSTHOOK: Input: _dummy_database@_dummy_table
> POSTHOOK: Output: default@test_custom
> POSTHOOK: Lineage: test_custom.age SIMPLE []
> POSTHOOK: Lineage: test_custom.name SIMPLE []
> PREHOOK: query: desc formatted test_custom age
> PREHOOK: type: DESCTABLE
> PREHOOK: Input: default@test_custom
> POSTHOOK: query: desc formatted test_custom age
> POSTHOOK: type: DESCTABLE
> POSTHOOK: Input: default@test_custom
> col_name                age
> data_type               int
> min
> max
> num_nulls
> distinct_count
> avg_col_len
> max_col_len
> num_trues
> num_falses
> bit_vector
> comment                 from deserializer{noformat}
> As we can see from desc formatted output, column stats were not populated
>  



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