apache / apache/hop

[Feature Request]: Add capacity to stream lookup to compare more than =

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awaiting triage P3 Transforms
Dominant language
Java
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Description

### What would you like to happen?

Hop Version 2.18

Database lookup have the capacity to compare input field and lookup field il multiple ways

Image

in the other hand stream lookup is only limited to = sign means that if we have a lookup coming from other thing than database we are super limited

Image

can we implement this to empower the stream lookup ?

M

### Issue Priority

Priority: 3

### Issue Component

Component: Transforms

Contributor guide

Open the contributing guide

Research direction

Start by comparing the database lookup and stream lookup transforms described in the issue, focusing on where stream lookup currently limits comparisons to equality. Trace the transform's matching behavior and UI configuration, then identify relevant tests. Done means stream lookup can use comparison modes beyond = for non-database lookup data.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data-engineering
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
52/100

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