Using an evaluator outside the scope of an entity results in a null context
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Key: SOLR-2463
URL: https://issues.apache.org/jira/browse/SOLR-2463
Project: Solr
Issue Type: Bug
Components: contrib - DataImportHandler
Affects Versions: 3.1, 3.1.1, 4.0
Reporter: Robert Zotter
Priority: Minor
When using an Evaluator outside an entity element the Context argument is null.
public class LowerCaseFunctionEvaluator extends Evaluator {
public String evaluate(String expression, Context context) {
List l = EvaluatorBag.parseParams(expression, context.getVariableResolver());
if (l.size() != 1) {
throw new RuntimeException("'toLowerCase' must have only one parameter ");
}
return l.get(0).toString().toLowerCase();
}
}
<dataSource name="..."
type="..."
driver="..."
url="..."
user="${dataimporter.functions.toLowerCase('THIS_WILL_NOT_WORK')}"
password="..."
batchSize="..."/>
<entity name="..."
dataSource="..."
query="select * from
${dataimporter.functions.toLowerCase('THIS_WILL_WORK')}"
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