Nikolay Izhikov commented on IGNITE-6055:

Hello, [~vozerov]. I've done a basic implementation.

I've some questions. Can you help me?

AFAIK, currently, we haven't tests to check Thin Client compatibility. 

1. Can you give me an example of code where compatibility already was 

2. Can you give me a list of classes I should check for compatibility?

3. Should we support {{_KEY}} and {{_VALUE}} column length restriction?

> SQL: Add String length constraint
> ---------------------------------
>                 Key: IGNITE-6055
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6055
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>    Affects Versions: 2.1
>            Reporter: Vladimir Ozerov
>            Assignee: Nikolay Izhikov
>            Priority: Major
>              Labels: sql-engine
> We should support {{CHAR(X)}} and {{VARCHAR{X}} syntax. Currently, we ignore 
> it. First, it affects semantics. E.g., one can insert a string with greater 
> length into a cache/table without any problems. Second, it limits efficiency 
> of our default configuration. E.g., index inline cannot be applied to 
> {{String}} data type as we cannot guess it's length.

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