[jira] [Work logged] (HIVE-25405) Implement Connector Provider for Amazon Redshift

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-25405?focusedWorklogId=636414&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-636414 ]

ASF GitHub Bot logged work on HIVE-25405:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 10/Aug/21 11:59
            Start Date: 10/Aug/21 11:59
    Worklog Time Spent: 10m 
      Work Description: vnhive commented on a change in pull request #2546:
URL: https://github.com/apache/hive/pull/2546#discussion_r685949624



##########
File path: standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/dataconnector/jdbc/RedshiftConnectorProvider.java
##########
@@ -0,0 +1,101 @@
+package org.apache.hadoop.hive.metastore.dataconnector.jdbc;
+
+import org.apache.hadoop.hive.metastore.ColumnType;
+import org.apache.hadoop.hive.metastore.api.DataConnector;
+import org.apache.hadoop.hive.metastore.api.MetaException;
+import org.apache.hadoop.hive.metastore.api.Table;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+public class RedshiftConnectorProvider extends AbstractJDBCConnectorProvider {
+    private static Logger LOG = LoggerFactory.getLogger(RedshiftConnectorProvider.class);
+
+    private static final String DRIVER_CLASS = "com.amazon.redshift.jdbc42.Driver".intern();
+
+    public RedshiftConnectorProvider(String dbName, DataConnector dataConn) {
+        super(dbName, dataConn, DRIVER_CLASS);
+    }
+
+    @Override protected ResultSet fetchTableMetadata(String tableName) throws MetaException {

Review comment:
       Done !




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 636414)
    Time Spent: 0.5h  (was: 20m)

> Implement Connector Provider for Amazon Redshift
> ------------------------------------------------
>
>                 Key: HIVE-25405
>                 URL: https://issues.apache.org/jira/browse/HIVE-25405
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Narayanan Venkateswaran
>            Assignee: Narayanan Venkateswaran
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> h2. +DB Level Federation to Redshift+
> The work in this Jira helps setup federation to redshift databases at the DB level, in the following way.
> {noformat}
> 0: jdbc:hive2://> describe connector redshift_test_7;
> 21/07/30 20:53:53 [343005b1-06f3-4891-81d1-0c6ad8612260 main]: WARN lazy.LazyStruct: Extra bytes detected at the end of the row! Ignoring similar problems.
> +------------------+-----------+----------------------------------------------------+-------------+-------------+--------------------------+
> |       name       |   type    |                        url                         | owner_name  | owner_type  |         comment          |
> +------------------+-----------+----------------------------------------------------+-------------+-------------+--------------------------+
> | redshift_test_7  | redshift  | jdbc:redshift://<url>                              | narayanan   | USER        | test redshift connector  |
> +------------------+-----------+----------------------------------------------------+-------------+-------------+--------------------------+
> 1 row selected (0.054 seconds) {noformat}
> {noformat}
> 0: jdbc:hive2://> describe database db_redshift_7;
> 21/07/30 20:53:38 [343005b1-06f3-4891-81d1-0c6ad8612260 main]: WARN lazy.LazyStruct: Extra bytes detected at the end of the row! Ignoring similar problems.
> +----------------+----------+-----------+------------------+-------------+-------------+------------------+----------------+
> |    db_name     | comment  | location  | managedlocation  | owner_name  | owner_type  |  connector_name  | remote_dbname  |
> +----------------+----------+-----------+------------------+-------------+-------------+------------------+----------------+
> | db_redshift_7  |          |           |                  | narayanan   | USER        | redshift_test_7  | dev            |
> +----------------+----------+-----------+------------------+-------------+-------------+------------------+----------------+
> 1 row selected (0.066 seconds) {noformat}
> {noformat}
> 0: jdbc:hive2://> use db_redshift_7;
> No rows affected (1.391 seconds) {noformat}
> {noformat}
> 0: jdbc:hive2://> show tables;
> +-----------------+
> |    tab_name     |
> +-----------------+
> | accommodations  |
> | category        |
> | date            |
> | event           |
> | listing         |
> | sales           |
> | sample          |
> | test_float_4    |
> | test_int_2      |
> | test_int_4      |
> | test_int_8      |
> | test_time       |
> | test_time_2     |
> | test_timestamp  |
> | users           |
> | venue           |
> | zipcode         |
> +-----------------+
> 17 rows selected (7.773 seconds) {noformat}
> {noformat}
> 0: jdbc:hive2://> select * from test_float_4;
> +-----------------+
> | test_float_4.i  |
> +-----------------+
> | 1.0             |
> +-----------------+
> 1 row selected (18.214 seconds) {noformat}
> {noformat}
> 0: jdbc:hive2://> select * from test_int_8;
> +---------------+
> | test_int_8.i  |
> +---------------+
> | 1             |
> +---------------+
> 1 row selected (12.626 seconds) {noformat}



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