Taraka Rama Rao Lethavadla created HIVE-27163:
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Summary: Column stats 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
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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