GitHub user dsanderbi created a discussion: Should it be possible to process
stream fields after a Metadata Injection transform in Apache Hop?
I'm using the Metadata Injection transform calling a pipeline that only has a
"select values" and "write to log" transform, see blow:
<img width="436" height="145" alt="{834913E5-AFCC-48AD-993D-7647FFE62D08}"
src="https://github.com/user-attachments/assets/ae54f731-cca0-467e-8478-145b32ac9e57";
/>
This pipeline should extract time/data components of timestamp fields.
I call the Metadata Injection transform and pass all to a dummy. The output can
be seen in the preview.
<img width="1309" height="603" alt="{A689DAFA-6186-42CB-A512-C97F14665C68}"
src="https://github.com/user-attachments/assets/71ac1fe0-3030-41c7-a265-a48a8ec3135c";
/>
Now my idea was to use a select values transfrom (or any other transform) where
i can use "Get fields to select".
If i use the a "select values" transfrom right after the dummy step or metadata
injection im not able to use the "Get fields to select" anymore!
<img width="618" height="258" alt="{AEBCAA32-BD2E-438C-8EEC-3A2BEF233134}"
src="https://github.com/user-attachments/assets/e4c84fae-0267-4c14-83a2-86f5cc5a74e9";
/>
**So my question is:**
Is this the expected behavior, or should it be possible to further process the
data after the Metadata Injection transform?
The examples i have seen only show the Metadata Injection transfrom like this
<img width="364" height="311" alt="{60E2A620-6F4C-4F81-9794-9CFACB25D979}"
src="https://github.com/user-attachments/assets/9b629a9a-2ee2-463f-a91d-6590b0bf4262";
/>
GitHub link: https://github.com/apache/hop/discussions/6023
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