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Posted to dev@hive.apache.org by "Phabricator (JIRA)" <ji...@apache.org> on 2013/10/21 09:42:43 UTC
[jira] [Updated] (HIVE-4144) Add "select database()" command to
show the current database
[ https://issues.apache.org/jira/browse/HIVE-4144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Phabricator updated HIVE-4144:
------------------------------
Attachment: D9597.5.patch
navis updated the revision "HIVE-4144 [jira] Add "select database()" command to show the current database".
Rebased to trunk
Reviewers: JIRA
REVISION DETAIL
https://reviews.facebook.net/D9597
CHANGE SINCE LAST DIFF
https://reviews.facebook.net/D9597?vs=38637&id=42015#toc
AFFECTED FILES
ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java
ql/src/java/org/apache/hadoop/hive/ql/exec/mr/ExecDriver.java
ql/src/java/org/apache/hadoop/hive/ql/io/NullRowsInputFormat.java
ql/src/java/org/apache/hadoop/hive/ql/io/OneNullRowInputFormat.java
ql/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/UDFCurrentDB.java
ql/src/test/queries/clientpositive/select_dummy_source.q
ql/src/test/queries/clientpositive/udf_current_database.q
ql/src/test/results/clientpositive/select_dummy_source.q.out
ql/src/test/results/clientpositive/show_functions.q.out
ql/src/test/results/clientpositive/udf_current_database.q.out
To: JIRA, navis
> Add "select database()" command to show the current database
> ------------------------------------------------------------
>
> Key: HIVE-4144
> URL: https://issues.apache.org/jira/browse/HIVE-4144
> Project: Hive
> Issue Type: Bug
> Components: SQL
> Reporter: Mark Grover
> Assignee: Navis
> Attachments: D9597.5.patch, HIVE-4144.D9597.1.patch, HIVE-4144.D9597.2.patch, HIVE-4144.D9597.3.patch, HIVE-4144.D9597.4.patch
>
>
> A recent hive-user mailing list conversation asked about having a command to show the current database.
> http://mail-archives.apache.org/mod_mbox/hive-user/201303.mbox/%3CCAMGr+0i+CRY69m3id=DxthmUCWLf0NxpKMCtROb=uauH2vAHng@mail.gmail.com%3E
> MySQL seems to have a command to do so:
> {code}
> select database();
> {code}
> http://dev.mysql.com/doc/refman/5.0/en/information-functions.html#function_database
> We should look into having something similar in Hive.
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