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Modify java doc
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ljfgem committed Aug 1, 2024
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/**
* After failing to transform UDF with {@link TransportUDFTransformer},
* we use this transformer to fall back to the original Hive UDF defined in
* {@link com.linkedin.coral.hive.hive2rel.functions.StaticHiveFunctionRegistry}.
* This is reasonable since Spark understands and has ability to run Hive UDF.
* Check `CoralSparkTest#testHiveUDFTransformer()` for an example.
* This transformer converts the Hive UDF SqlCall name from the UDF class name (e.g., `com.linkedin.HiveUDF`)
* to the corresponding view-dependent UDF name in the view text. It also adds the UDF information to `sparkUDFInfos`.
* Refer to `CoralSparkTest#testHiveUDFTransformer()` for an example.
*/
public class HiveUDFTransformer extends SqlCallTransformer {
private static final Logger LOG = LoggerFactory.getLogger(HiveUDFTransformer.class);
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