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https://issues.apache.org/jira/browse/HIVE-24255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vineet Garg resolved HIVE-24255.
--------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
> StorageHandler with select-limit query is returning 0 rows
> ----------------------------------------------------------
>
> Key: HIVE-24255
> URL: https://issues.apache.org/jira/browse/HIVE-24255
> Project: Hive
> Issue Type: Bug
> Reporter: Naresh P R
> Assignee: Naresh P R
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
>
> {code:java}
> CREATE EXTERNAL TABLE dbs(db_id bigint, db_location_uri string, name string,
> owner_name string, owner_type string) STORED BY
> 'org.apache.hive.storage.jdbc.JdbcStorageHandler' TBLPROPERTIES
> ('hive.sql.database.type'='METASTORE', 'hive.sql.query'='SELECT `DB_ID`,
> `DB_LOCATION_URI`, `NAME`, `OWNER_NAME`, `OWNER_TYPE` FROM `DBS`');
> {code}
> ==> Wrong Result <==
> {code:java}
> set hive.limit.optimize.enable=true;
> select * from dbs limit 1;
> ----------------------------------------------------------------------------------------------
> VERTICES MODE STATUS TOTAL COMPLETED RUNNING PENDING FAILED KILLED
> ----------------------------------------------------------------------------------------------
> Map 1 .......... container SUCCEEDED 0 0 0 0 0 0
> ----------------------------------------------------------------------------------------------
> VERTICES: 01/01 [==========================>>] 100% ELAPSED TIME: 0.91 s
> ----------------------------------------------------------------------------------------------
> +------------+----------------------+-----------+-----------------+-----------------+
> | dbs.db_id | dbs.db_location_uri | dbs.name | dbs.owner_name |
> dbs.owner_type |
> +------------+----------------------+-----------+-----------------+-----------------+
> +------------+----------------------+-----------+-----------------+-----------------+
> {code}
> ==> Correct Result <==
> {code:java}
> set hive.limit.optimize.enable=false;
> select * from dbs limit 1;
> ----------------------------------------------------------------------------------------------
> VERTICES MODE STATUS TOTAL COMPLETED RUNNING PENDING
> FAILED KILLED
> ----------------------------------------------------------------------------------------------
> Map 1 .......... container SUCCEEDED 1 1 0 0
> 0 0
> ----------------------------------------------------------------------------------------------
> VERTICES: 01/01 [==========================>>] 100% ELAPSED TIME: 4.11 s
> ----------------------------------------------------------------------------------------------+------------+----------------------------------------------------+-----------+-----------------+-----------------+
> | dbs.db_id | dbs.db_location_uri | dbs.name
> | dbs.owner_name | dbs.owner_type |
> +------------+----------------------------------------------------+-----------+-----------------+-----------------+
> | 1 | hdfs://abcd:8020/warehouse/tablespace/managed/hive | default
> | public | ROLE |
> +------------+----------------------------------------------------+-----------+-----------------+-----------------+{code}
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