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From "Kevin Liew (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (PHOENIX-2371) DatabaseMetadata.getColumns() returns bad COLUMN_SIZE for varchar and varbinary columns
Date Wed, 04 Jan 2017 06:11:58 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-2371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kevin Liew reassigned PHOENIX-2371:
-----------------------------------

    Assignee: Kevin Liew

> DatabaseMetadata.getColumns() returns bad COLUMN_SIZE for varchar and varbinary columns

> ----------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-2371
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2371
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.5.0
>         Environment: Linux lnxx64r6 2.6.32-131.0.15.el6.x86_64 #1 SMP Tue May 10 15:42:40
EDT 2011 x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Sergio Lob
>            Assignee: Kevin Liew
>              Labels: newbie, verify
>             Fix For: 4.10.0
>
>
> DatabaseMetadata.getColumns() returns bad COLUMN_SIZE value for varchar and varbinary
columns. Specifically, for the following table:
> CREATE TABLE SERGIO (I INTEGER, V10 VARCHAR(10),
> VHUGE VARCHAR(2147483647), V VARCHAR, VB10 VARBINARY(10), VBHUGE VARBINARY(2147483647),
VB VARBINARY) ;
> 1. COLUMN_SIZE is NULL for all varbinary columns, no matter the defined size. This should
return the max possible size of the column, so:
> COLUMN_SIZE should return 10 for column VB10,
> COLUMN_SIZE should return 2147483647 for column VBHUGE,
> COLUMN_SIZE should return 2147483647 for column VB, assuming that a column defined with
no size should default to the maximum size.
> 2. COLUMN_SIZE returns NULL for all varchar columns that are not defined with a size,
like in column V in the above CREATE TABLE. I would think that a VARCHAR column defined with
no size parameter should default to the maximum size possible (2147483647) for COLUMN_SIZE,
 not to NULL.



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