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https://issues.apache.org/jira/browse/IMPALA-12333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17786974#comment-17786974
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ASF subversion and git services commented on IMPALA-12333:
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Commit 10e816942ae240401ef2d55863a77181bc169eed in impala's branch
refs/heads/master from Daniel Becker
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=10e816942 ]
IMPALA-12333: SHOW CREATE TABLE outputs some unnecessary table properties
SHOW CREATE TABLE outputs some unnecessary table properties, some of
which are Iceberg-specific. This change removes the following table
properties from SHOW CREATE TABLE statements:
Iceberg-specific:
- previous_metadata_location
- current-schema
- snapshot-count
- current-snapshot-id
- current-snapshot-summary
- current-snapshot-timestamp-ms
- default-partition-spec
- uuid
General:
- numRows
- numFiles
- totalSize
- numFilesErasureCoded
- last_modified_by
- last_modified_time
- impala.events.catalogServiceId
- impala.events.catalogVersion
Testing:
- Added a test class in test_show_create_table.py,
TestShowCreateTableIcebergProperties, that tests that the above
Iceberg-specific table properties (and some others that occur with
Iceberg tables) are not included in SHOW CREATE TABLE statements.
- Modified test_show_create_table.py::TestShowCreateTable
- removed the above properties and some others that should not be
included in SHOW CREATE TABLE statements from the ignore list that
is used when comparing expected and actual SHOW CREATE TABLE
statements
- some of these previously ignored properties were listed among the
expected table properties in 'show-create-table.test', this change
removes them from there.
Change-Id: Id6f2cb9194f685a583b0d550532eb2454f119666
Reviewed-on: http://gerrit.cloudera.org:8080/20676
Reviewed-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
> SHOW CREATE TABLE outputs unnecessary table properties for Iceberg tables
> -------------------------------------------------------------------------
>
> Key: IMPALA-12333
> URL: https://issues.apache.org/jira/browse/IMPALA-12333
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Zoltán Borók-Nagy
> Assignee: Daniel Becker
> Priority: Major
> Labels: impala-iceberg, ramp-up
>
> SHOW CREATE TABLE outputs unnecessary table properties for Iceberg tables,
> e.g.:
> * current-schema
> * previous_metadata_location
> * snapshot-count
> * uuid
> * impala.events.catalogVersion
> We should not output these, as they are redundant and/or meaningless in new
> table creation.
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