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https://issues.apache.org/jira/browse/FLINK-17548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17107077#comment-17107077
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Timo Walther commented on FLINK-17548:
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[~Wichtlein], the `connect()` API might need some improvements in the near
future because the community focused on the new SQL DDL feature with computed
column. I would recommend to use SQL DDL as a workaround.
> Table API Schema "from" not working
> -----------------------------------
>
> Key: FLINK-17548
> URL: https://issues.apache.org/jira/browse/FLINK-17548
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.10.0
> Reporter: Rafael Wicht
> Priority: Major
>
> The method 'from' of org.apache.flink.table.descriptors.Schema do not work
> for me.
> Maybe I miss something.
> h3. Code:
> {{.withFormat({color:#cc7832}new {color}Json()}}
> {{ .failOnMissingField({color:#cc7832}false{color}))}}
> {{.withSchema({color:#cc7832}new {color}Schema()}}
> {{ .field({color:#6a8759}"user_server"{color}{color:#cc7832},
> {color}DataTypes.STRING()).from({color:#6a8759}"user"{color}))}}
> h3. Result
> The field 'user_server' has the value 'null'.
> h3. Error:
> No Error.
> h3. Workaround:
> This code works!
> {{.withFormat({color:#cc7832}new {color}Json()}}
> {{ .failOnMissingField({color:#cc7832}false{color}))}}
> {{.withSchema({color:#cc7832}new {color}Schema()}}
> {{ .field({color:#6a8759}"user"{color}{color:#cc7832},
> {color}DataTypes.STRING())}}
> h3.
> h3. From the
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