Joseph K. Bradley created SPARK-7137:
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Summary: Add checkInputColumn back to Params and print more info
Key: SPARK-7137
URL: https://issues.apache.org/jira/browse/SPARK-7137
Project: Spark
Issue Type: Improvement
Components: ML
Affects Versions: 1.4.0
Reporter: Joseph K. Bradley
Priority: Trivial
In the PR for [https://issues.apache.org/jira/browse/SPARK-5957],
Params.checkInputColumn was moved to SchemaUtils and renamed to
checkColumnType. The downside is that it no longer has access to the parameter
info, so it cannot state which input column parameter was incorrect.
We should keep checkColumnType but also add checkInputColumn back to Params.
It should print out the parameter name and description. Internally, it may
call checkColumnType.
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