[keycloak-user] User attribute value length in SQL database

[Marek Posolda]

Hi,

can you try to use "varchar(2048)" instead of "text" ? The potential 
issue with "text" is, that it's PostgreSQL specific stuff and may not be 
supported by all databases, which we need to support in Keycloak.

Please let me know if it works and feel free to create JIRA. We will 
then fix Liquibase script (the thing, which we are using to create DB 
tables and schema) and in Keycloak 1.5 it will be fixed and the length 
should suffice. If you can fix and test by yourself and send PR to 
Keycloak master, it will be even better :-)

Thanks,
Marek

On 10.8.2015 10:54, Tair Sabirgaliev wrote:
> Hi,
>
> When configuring Keycloak to use Active Directory we found that some
> attributes could not fit into user_attributes.value column in Postgresql.
> The problematic values are Cyrillic text. As I suspect, they are encoded
> using ASCII charset, thus get longer and don’t fit into default 255 length.
> Workaround was to change the column data type:
>
> alter table user_attribute alter COLUMN value type text;
>
> Is this the right thing to do considering database evolutions when
> migrating from version to version? Can this workaround be incorporated
> into Keycloak codebase? At least for Postgresql it is considered safe
> performance-wise, references here:
>
> 1. http://stackoverflow.com/questions/4848964/postgresql-difference-between-text-and-varchar-character-varying
> 2. http://www.depesz.com/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
>
> Thank you!
> --
> Tair Sabirgaliev
> Bee Software, LLP
>
>
>
>
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