org.apache.hadoop.hive.serde2.SchemaInference Maven / Gradle / Ivy
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.hadoop.hive.serde2;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
public interface SchemaInference {
/**
* Infer Hive compatible schema from provided file. The purpose of this method is to optionally
* allow SerDes to implement schema inference for CREATE TABLE LIKE FILE support.
*
* @param file Fully qualified path to file to infer schema from (hadoop compatible URI + filename)
* @return List of FieldSchema that was derived from the provided file
* @throws SerDeException
*/
List readSchema(Configuration conf, String file) throws SerDeException;
}