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https://issues.apache.org/jira/browse/HIVE-2822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13229430#comment-13229430
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Alan Gates commented on HIVE-2822:
----------------------------------
I found an issue with the latest patch. If you do the following sequence of
operations:
{code}
drop database if exists hcat_database_1;
create database hcat_database_1;
alter database hcat_database_1 set dbproperties ('new.property'='some props');
describe database hcat_database_1;
show databases;
use hcat_database_1;
use default;
drop database hcat_database_1;
{code}
you get a null pointer exception in the describe. This is true with JSON
formatting or standard formatting.
> Add JSON output to the hive ddl commands
> ----------------------------------------
>
> Key: HIVE-2822
> URL: https://issues.apache.org/jira/browse/HIVE-2822
> Project: Hive
> Issue Type: Improvement
> Reporter: Chris Dean
> Attachments: HIVE-2822.03-branch0-8.patch, HIVE-2822.03.patch,
> HIVE-2822.03b.patch, HIVE-2822.04-branch-08.patch,
> hive-json-01-branch0-8.patch, hive-json-01.patch,
> hive-json-02-branch0-8.patch, hive-json-02.patch
>
>
> The goal is to have an option to produce JSON output of the DDL commands that
> is easily machine parseable.
> For example, "desc my_table" currently gives
> {noformat}
> id bigint
> user string
> {noformat}
> and we want to allow a json output:
> {noformat}
> {
> "columns": [
> {"name": "id", "type": "bigint"},
> {"name": "user", "type": "string"}
> ]
> }
> {noformat}
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