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https://issues.apache.org/jira/browse/IGNITE-6055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16586095#comment-16586095
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Igor Sapego commented on IGNITE-6055:
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[~NIzhikov],
Well, basically, there is \{{QueryGetColumnsMetaRequest}} class in C++, which
handled by
\{{org.apache.ignite.internal.processors.odbc.odbc.OdbcRequestHandler#getColumnsMeta}}
in Java. You can start from there. I believe, you need to add new parameters
there. If you need any help - ask.
> 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
> Fix For: 2.7
>
>
> 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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