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From "Timo Walther (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9864) Make timestamp extraction more flexible in SQL Client
Date Wed, 08 Aug 2018 12:08:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16573114#comment-16573114
] 

Timo Walther commented on FLINK-9864:
-------------------------------------

We need utilities for converting a string to timestamp.

> Make timestamp extraction more flexible in SQL Client
> -----------------------------------------------------
>
>                 Key: FLINK-9864
>                 URL: https://issues.apache.org/jira/browse/FLINK-9864
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API &amp; SQL
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>            Priority: Major
>
> Currently, a timestamp must be in the top-level of a possibly nested row and must have
a certain format. We should think about making this more flexible to cover most of the use
cases.
> A first solution could be to allow a DOT operator syntax: {{myfield.nested.timestamp}}
> Other cases might be:
> - The time could also be split into several field
> - Or needs to be parsed using a [date format syntax|https://ci.apache.org/projects/flink/flink-docs-master/dev/table/sql.html#date-format-specifier].



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