[jira] [Resolved] (FLINK-8854) Mapping of SchemaValidator.deriveFieldMapping() is incorrect.

["Timo Walther (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-8854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timo Walther resolved FLINK-8854.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.6.0

Fixed in 1.6.0: c531486288caf5241cdf7f0f00f087f3ce82239f
Fixed in 1.5.0: a75815aae4362dee0470345e0209096e503dc1ef

> Mapping of SchemaValidator.deriveFieldMapping() is incorrect.
> -------------------------------------------------------------
>
>                 Key: FLINK-8854
>                 URL: https://issues.apache.org/jira/browse/FLINK-8854
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API & SQL
>    Affects Versions: 1.5.0
>            Reporter: Fabian Hueske
>            Assignee: Timo Walther
>            Priority: Blocker
>             Fix For: 1.5.0, 1.6.0
>
>
> The field mapping returned by {{SchemaValidator.deriveFieldMapping()}} is not correct.
> It should not only include all fields of the table schema, but also all fields of the format schema (mapped to themselves). Otherwise, it is not possible to use a timestamp extractor on a field that is not in table schema. 
> For example this configuration would fail:
> {code}
> sources:
>   - name: TaxiRides
>     schema:
>       - name: rideId
>         type: LONG
>       - name: rowTime
>         type: TIMESTAMP
>         rowtime:
>           timestamps:
>             type: "from-field"
>             from: "rideTime"
>           watermarks:
>             type: "periodic-bounded"
>             delay: "60000"
>     connector:
>       ....
>     format:
>       property-version: 1
>       type: json
>       schema: "ROW(rideId LONG, rideTime TIMESTAMP)"
> {code}
> because {{rideTime}} is not in the table schema.



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