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Posted to issues@calcite.apache.org by "Hongze Zhang (JIRA)" <ji...@apache.org> on 2019/02/05 05:01:00 UTC

[jira] [Commented] (CALCITE-2791) Add the JSON_TYPE function

    [ https://issues.apache.org/jira/browse/CALCITE-2791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16760465#comment-16760465 ] 

Hongze Zhang commented on CALCITE-2791:
---------------------------------------

[~x1q1j1] I've made some comments on the PR based on the discussion from mail.

I think the patch looks good after fixing the remaining issues.

> Add the JSON_TYPE function
> --------------------------
>
>                 Key: CALCITE-2791
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2791
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: xuqianjin
>            Assignee: Julian Hyde
>            Priority: Major
>
> The data in json can be =, <, <=, >, >=, <>,! =, and <=>. But the data types in json can be diverse, so when you compare different types, you have a priority, and the high priority is greater than the low priority (you can view the types with the JSON_TYPE() function). The priorities are as follows:
>  BOOLEAN
>  ARRAY
>  OBJECT
>  STRING
>  INTEGER
> DOUBLE
>  NULL



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