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https://issues.apache.org/jira/browse/HIVE-12184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15045023#comment-15045023
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Naveen Gangam commented on HIVE-12184:
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Thank you [~leftylev]. The added references to the new syntax in the old docs
section looks great. TODOC2.0 can be removed, I think.
Regarding the missing column info in the Describe Partition section, I noticed
it too. I wasnt sure if we missed documenting it or if it is a side-effect of
the describe table partition feature added later. But there are tests that
specifically test for this syntax with a column name and a partition spec. And
I havent seen anything in the grammer and code that specifically prohibit this
syntax so I assumed it was supposed to work.
https://github.com/apache/hive/blob/branch-1.2/ql/src/test/queries/clientpositive/alter_partition_update_status.q#L8
https://github.com/apache/hive/blob/branch-1.2/ql/src/test/queries/clientpositive/alter_table_invalidate_column_stats.q#L38
https://github.com/apache/hive/blob/branch-1.2/ql/src/test/queries/clientpositive/analyze_tbl_part.q#L13
https://github.com/apache/hive/blob/branch-1.2/ql/src/test/queries/clientpositive/columnstats_part_coltype.q#L15
...
There are about half a dozen more test files that contain this syntax.
> DESCRIBE of fully qualified table fails when db and table name match and
> non-default database is in use
> -------------------------------------------------------------------------------------------------------
>
> Key: HIVE-12184
> URL: https://issues.apache.org/jira/browse/HIVE-12184
> Project: Hive
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.2.1
> Reporter: Lenni Kuff
> Assignee: Naveen Gangam
> Labels: TODOC2.0
> Fix For: 2.0.0
>
> Attachments: HIVE-12184.10.patch, HIVE-12184.10.patch,
> HIVE-12184.2.patch, HIVE-12184.3.patch, HIVE-12184.4.patch,
> HIVE-12184.5.patch, HIVE-12184.6.patch, HIVE-12184.7.patch,
> HIVE-12184.8.patch, HIVE-12184.9.patch, HIVE-12184.patch
>
>
> DESCRIBE of fully qualified table fails when db and table name match and
> non-default database is in use.
> Repro:
> {code}
> : jdbc:hive2://localhost:10000/default> create database foo;
> No rows affected (0.116 seconds)
> 0: jdbc:hive2://localhost:10000/default> create table foo.foo(i int);
> 0: jdbc:hive2://localhost:10000/default> describe foo.foo;
> +-----------+------------+----------+--+
> | col_name | data_type | comment |
> +-----------+------------+----------+--+
> | i | int | |
> +-----------+------------+----------+--+
> 1 row selected (0.049 seconds)
> 0: jdbc:hive2://localhost:10000/default> use foo;
> 0: jdbc:hive2://localhost:10000/default> describe foo.foo;
> Error: Error while processing statement: FAILED: Execution Error, return code
> 1 from org.apache.hadoop.hive.ql.exec.DDLTask. Error in getting fields from
> serde.Invalid Field foo (state=08S01,code=1)
> {code}
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