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https://issues.apache.org/jira/browse/IMPALA-8458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16837372#comment-16837372
 ] 

ASF subversion and git services commented on IMPALA-8458:
---------------------------------------------------------

Commit a2c5d953b0fa6d69aa34eccaa13fa9aacd31ad10 in impala's branch 
refs/heads/master from Tim Armstrong
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=a2c5d95 ]

IMPALA-8121: part 2: use local catalog in containers

This enables "modern" catalog features including the
local catalog and HMS notification support in the
dockerised minicluster by default.

The flags can be overridden if needed.

Skip tests affected by these bugs:
* IMPALA-8486 (LibCache invalidations)
* IMPALA-8458 (alter column stats)
* IMPALA-7131 (data sources not supported)
* IMPALA-7538 (HDFS caching DDL not supported)
* IMPALA-8489 TestRecoverPartitions.test_post_invalidate fails with
  IllegalStateException
* IMPALA-8459 (cannot drop Kudu table)
* IMPALA-7539 (insert permission checks)

Fix handling of table properties in _get_properties()
to avoid including properties from unrelated sections.
This caused problems becase of additional properties
added by metastore event processing.

Rewrite test_partition_ddl_predicates() to change file formats rather
than use HDFS caching DDL.

Update the various test_kudu_col* tests to not expect staleness of
Kudu metadata for catalog V2.

Fix IMPALA-8464 so that testMetaDataGetColumnComments() allows the
table comment to be present, which is the new behaviour. Add a
new end-to-end test test_get_tables() that tests the precise
behaviour for different catalog versions so as to not lose
coverage.

Change-Id: I900d4b718cca98bcf86d36a2e64c0b6a424a5b7c
Reviewed-on: http://gerrit.cloudera.org:8080/13226
Reviewed-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>


> Can't set numNull/maxSize/avgSize column stats with local catalog without 
> also setting NDV
> ------------------------------------------------------------------------------------------
>
>                 Key: IMPALA-8458
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8458
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Catalog
>    Affects Versions: Impala 3.3.0
>            Reporter: Tim Armstrong
>            Assignee: Todd Lipcon
>            Priority: Critical
>
> Repro:
> {noformat}
> [tarmstrong-box2.ca.cloudera.com:21000] default> create table test_stats2(s 
> string);
> +-------------------------+
> | summary                 |
> +-------------------------+
> | Table has been created. |
> +-------------------------+
> Fetched 1 row(s) in 0.36s
> [tarmstrong-box2.ca.cloudera.com:21000] default> show column stats 
> test_stats2;
> +--------+--------+------------------+--------+----------+----------+
> | Column | Type   | #Distinct Values | #Nulls | Max Size | Avg Size |
> +--------+--------+------------------+--------+----------+----------+
> | s      | STRING | -1               | -1     | -1       | -1       |
> +--------+--------+------------------+--------+----------+----------+
> Fetched 1 row(s) in 0.02s
> [tarmstrong-box2.ca.cloudera.com:21000] default> alter table test_stats2 set 
> column stats s('avgSize'='1234');
> +-----------------------------------------+
> | summary                                 |
> +-----------------------------------------+
> | Updated 0 partition(s) and 1 column(s). |
> +-----------------------------------------+
> Fetched 1 row(s) in 0.14s
> [tarmstrong-box2.ca.cloudera.com:21000] default> show column stats 
> test_stats2;
> +--------+--------+------------------+--------+----------+----------+
> | Column | Type   | #Distinct Values | #Nulls | Max Size | Avg Size |
> +--------+--------+------------------+--------+----------+----------+
> | s      | STRING | -1               | -1     | -1       | -1       |
> +--------+--------+------------------+--------+----------+----------+
> Fetched 1 row(s) in 0.02s
> [tarmstrong-box2.ca.cloudera.com:21000] default> alter table test_stats2 set 
> column stats s('maxSize'='1234');
> +-----------------------------------------+
> | summary                                 |
> +-----------------------------------------+
> | Updated 0 partition(s) and 1 column(s). |
> +-----------------------------------------+
> Fetched 1 row(s) in 0.10s
> [tarmstrong-box2.ca.cloudera.com:21000] default> show column stats 
> test_stats2;
> +--------+--------+------------------+--------+----------+----------+
> | Column | Type   | #Distinct Values | #Nulls | Max Size | Avg Size |
> +--------+--------+------------------+--------+----------+----------+
> | s      | STRING | -1               | -1     | -1       | -1       |
> +--------+--------+------------------+--------+----------+----------+
> Fetched 1 row(s) in 0.02s
> [tarmstrong-box2.ca.cloudera.com:21000] default> invalidate metadata 
> test_stats2;
> Fetched 0 row(s) in 0.03s
> [tarmstrong-box2.ca.cloudera.com:21000] default> show column stats 
> test_stats2;
> Query: show column stats test_stats2
> +--------+--------+------------------+--------+----------+----------+
> | Column | Type   | #Distinct Values | #Nulls | Max Size | Avg Size |
> +--------+--------+------------------+--------+----------+----------+
> | s      | STRING | -1               | -1     | -1       | -1       |
> +--------+--------+------------------+--------+----------+----------+
> Fetched 1 row(s) in 0.07s
> {noformat}
> I expected that the updates would take effect. Weirdly it doesn't happen for 
> NDV and NULLS:
> {noformat}
> [tarmstrong-box2.ca.cloudera.com:21000] default> alter table test_stats2 set 
> column stats s('numDVs'='1234','numNulls'='12345');
> Query: alter table test_stats2 set column stats 
> s('numDVs'='1234','numNulls'='12345')
> +-----------------------------------------+
> | summary                                 |
> +-----------------------------------------+
> | Updated 0 partition(s) and 1 column(s). |
> +-----------------------------------------+
> Fetched 1 row(s) in 0.12s
> [tarmstrong-box2.ca.cloudera.com:21000] default> show column stats 
> test_stats2;
> Query: show column stats test_stats2
> +--------+--------+------------------+--------+----------+----------+
> | Column | Type   | #Distinct Values | #Nulls | Max Size | Avg Size |
> +--------+--------+------------------+--------+----------+----------+
> | s      | STRING | 1234             | 12345  | -1       | -1       |
> +--------+--------+------------------+--------+----------+----------+
> Fetched 1 row(s) in 0.02s
> {noformat}



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