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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CARBONDATA-332) Create successfully Database, tables and columns using carbon reserve keywords
Date Mon, 31 Oct 2016 11:59:58 GMT

    [ https://issues.apache.org/jira/browse/CARBONDATA-332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15621965#comment-15621965
] 

ASF GitHub Bot commented on CARBONDATA-332:
-------------------------------------------

GitHub user lion-x opened a pull request:

    https://github.com/apache/incubator-carbondata/pull/273

    [CARBONDATA-332] Prohibit to use reserved words in database\table\col name

    # Why raise this PR?
    Carbon should prohibit to use reserved words in database\table\col name.  Using reserved
words will cause many unnecessary troubles.
    
    # How to solve?
    Adding  reserved words validation for database, table, cols when they are creating.
    
    # How to test?
    Pass all test cases. 
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/lion-x/incubator-carbondata prohibitReserved

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-carbondata/pull/273.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #273
    
----
commit fc7a7bb7e7a8df5f3abc5e8b1b3b9c0804226869
Author: lion-x <xlion.pku@gmail.com>
Date:   2016-10-31T11:46:07Z

    validateCarbonReservedKeywords

----


> Create successfully Database, tables and columns using carbon reserve keywords
> ------------------------------------------------------------------------------
>
>                 Key: CARBONDATA-332
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-332
>             Project: CarbonData
>          Issue Type: Bug
>            Reporter: Harmeet Singh
>            Assignee: Lionx
>
> Hey team, I am trying to create database, tables and columns with carbon reserve keywords
name and carbon allow us for creating. I am expecting an error. In hive, we are facing an
error. Following are the steps : 
> Step1: 
> 0: jdbc:hive2://127.0.0.1:10000> create database double;
> +---------+--+
> | result  |
> +---------+--+
> +---------+--+
> No rows selected (6.225 seconds)
> Step 2: 
> 0: jdbc:hive2://127.0.0.1:10000> use double;
> +---------+--+
> | result  |
> +---------+--+
> +---------+--+
> No rows selected (0.104 seconds)
> Step 3:
> 0: jdbc:hive2://127.0.0.1:10000> create table decimal(int int, string string) stored
by 'carbondata';
> +---------+--+
> | Result  |
> +---------+--+
> +---------+--+
> No rows selected (2.372 seconds)
> Step 4:
> 0: jdbc:hive2://127.0.0.1:10000> show tables;
> +------------+--------------+--+
> | tableName  | isTemporary  |
> +------------+--------------+--+
> | decimal    | false        |
> +------------+--------------+--+
> 1 row selected (0.071 seconds)
> Step 5:
> 0: jdbc:hive2://127.0.0.1:10000> desc decimal;
> +-----------+------------+----------+--+
> | col_name  | data_type  | comment  |
> +-----------+------------+----------+--+
> | string    | string     |          |
> | int       | bigint     |          |
> +-----------+------------+----------+--+
> 2 rows selected (0.556 seconds)
> Step 6:
> 0: jdbc:hive2://127.0.0.1:10000> load data inpath 'hdfs://localhost:54310/home/harmeet/reservewords.csv'
into table decimal;
> +---------+--+
> | Result  |
> +---------+--+
> +---------+--+
> No rows selected (0.863 seconds)
> Step 7:
> 0: jdbc:hive2://127.0.0.1:10000> select * from decimal;
> +---------+------+--+
> | string  | int  |
> +---------+------+--+
> |  james  | 10   |
> +---------+------+--+
> 1 row selected (0.413 seconds)



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