[
https://issues.apache.org/jira/browse/HIVE-15653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15832679#comment-15832679
]
Hive QA commented on HIVE-15653:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12848395/HIVE-15653.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 27 failed/errored test(s), 10966 tests
executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out)
(batchId=235)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[alter_file_format]
(batchId=53)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[alter_skewed_table]
(batchId=33)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[alter_table_not_sorted]
(batchId=58)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[columnStatsUpdateForStatsOptimizer_2]
(batchId=27)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[create_alter_list_bucketing_table1]
(batchId=24)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[create_like] (batchId=49)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[describe_comment_nonascii]
(batchId=13)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[show_tblproperties]
(batchId=76)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[stats_invalidation]
(batchId=69)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[unset_table_view_property]
(batchId=47)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_join_with_different_encryption_keys]
(batchId=159)
org.apache.hadoop.hive.cli.TestHBaseNegativeCliDriver.testCliDriver[cascade_dbdrop]
(batchId=226)
org.apache.hadoop.hive.cli.TestHBaseNegativeCliDriver.testCliDriver[generatehfiles_require_family_path]
(batchId=226)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[orc_ppd_basic]
(batchId=135)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[orc_ppd_schema_evol_3a]
(batchId=136)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[escape1]
(batchId=139)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[escape2]
(batchId=154)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[orc_predicate_pushdown]
(batchId=139)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[schema_evol_orc_nonvec_table]
(batchId=140)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[schema_evol_orc_vec_table]
(batchId=146)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[schema_evol_text_nonvec_table]
(batchId=141)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[schema_evol_text_vec_part]
(batchId=149)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[schema_evol_text_vec_table]
(batchId=147)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[schema_evol_text_vecrow_table]
(batchId=140)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_varchar_simple]
(batchId=152)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[unset_table_property]
(batchId=86)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3079/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3079/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3079/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 27 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12848395 - PreCommit-HIVE-Build
> Some ALTER TABLE commands drop table stats
> ------------------------------------------
>
> Key: HIVE-15653
> URL: https://issues.apache.org/jira/browse/HIVE-15653
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Affects Versions: 1.1.0
> Reporter: Alexander Behm
> Assignee: Chaoyu Tang
> Priority: Critical
> Attachments: HIVE-15653.patch
>
>
> Some ALTER TABLE commands drop the table stats. That may make sense for some
> ALTER TABLE operations, but certainly not for others. Personally, I I think
> ALTER TABLE should only change what was requested by the user without any
> side effects that may be unclear to users. In particular, collecting stats
> can be an expensive operation so it's rather inconvenient for users if they
> get wiped accidentally.
> Repro:
> {code}
> create table t (i int);
> insert into t values(1);
> analyze table t compute statistics;
> alter table t set tblproperties('test'='test');
> hive> describe formatted t;
> OK
> # col_name data_type comment
>
> i int
>
> # Detailed Table Information
> Database: default
> Owner: abehm
> CreateTime: Tue Jan 17 18:13:34 PST 2017
> LastAccessTime: UNKNOWN
> Protect Mode: None
> Retention: 0
> Location: hdfs://localhost:20500/test-warehouse/t
> Table Type: MANAGED_TABLE
> Table Parameters:
> COLUMN_STATS_ACCURATE false
> last_modified_by abehm
> last_modified_time 1484705748
> numFiles 1
> numRows -1
> rawDataSize -1
> test test
> totalSize 2
> transient_lastDdlTime 1484705748
>
> # Storage Information
> SerDe Library: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
>
> InputFormat: org.apache.hadoop.mapred.TextInputFormat
> OutputFormat:
> org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
> Compressed: No
> Num Buckets: -1
> Bucket Columns: []
> Sort Columns: []
> Storage Desc Params:
> serialization.format 1
> Time taken: 0.169 seconds, Fetched: 34 row(s)
> {code}
> The same behavior can be observed with several other ALTER TABLE commands.
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