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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8630) To support JSON schema to TypeInformation conversion
Date Thu, 15 Feb 2018 14:44:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16365649#comment-16365649

ASF GitHub Bot commented on FLINK-8630:

Github user twalthr commented on the issue:

    Thanks for the review @xccui. I agree that a pure string-based format would be helpful
as well. For this we can simply use a string serialization schema later. In a long-term view
we will need to implement scalar functions that can handle a json string and allow accessing
such a string as type-safe as possible. 

> To support JSON schema to TypeInformation conversion 
> -----------------------------------------------------
>                 Key: FLINK-8630
>                 URL: https://issues.apache.org/jira/browse/FLINK-8630
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Streaming Connectors
>            Reporter: Xingcan Cui
>            Assignee: Timo Walther
>            Priority: Blocker
>             Fix For: 1.5.0
> To support (FLINK-8558), we need to generate a \{{TypeInformation}} from a standard
[JSON schema|http://json-schema.org/] (and maybe vice verse). There are some problems to be
discussed, e.g., how to handle JSON {{Number}} type. One option would be we always return
a specific type, which can be configured to be double or BigDecimal, for it.

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