org.apache.hudi.common.table.read

Class HoodiePositionBasedSchemaHandler<T>

java.lang.Object

org.apache.hudi.common.table.read.HoodieFileGroupReaderSchemaHandler<T>

org.apache.hudi.common.table.read.HoodiePositionBasedSchemaHandler<T>

public class HoodiePositionBasedSchemaHandler<T>
extends HoodieFileGroupReaderSchemaHandler<T>

This class is responsible for handling the schema for the file group reader that supports positional merge.

Field Summary

Fields inherited from class org.apache.hudi.common.table.read.HoodieFileGroupReaderSchemaHandler

dataSchema, hasBootstrapBaseFile, hoodieTableConfig, internalSchema, needsBootstrapMerge, needsMORMerge, readerContext, recordMerger, requestedSchema, requiredSchema

Constructor Summary

Constructors

Constructor and Description
HoodiePositionBasedSchemaHandler(HoodieReaderContext<T> readerContext, org.apache.avro.Schema dataSchema, org.apache.avro.Schema requestedSchema, Option<InternalSchema> internalSchemaOpt, HoodieTableConfig hoodieTableConfig)

Method Summary

Modifier and Type	Method and Description
Pair<List<org.apache.avro.Schema.Field>,List<org.apache.avro.Schema.Field>>	getBootstrapRequiredFields()
protected org.apache.avro.Schema	prepareRequiredSchema()

Methods inherited from class org.apache.hudi.common.table.read.HoodieFileGroupReaderSchemaHandler

createSchemaFromFields, getBootstrapDataFields, getDataSchema, getInternalSchema, getOutputConverter, getRequestedSchema, getRequiredSchema

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HoodiePositionBasedSchemaHandler

public HoodiePositionBasedSchemaHandler(HoodieReaderContext<T> readerContext,
                                        org.apache.avro.Schema dataSchema,
                                        org.apache.avro.Schema requestedSchema,
                                        Option<InternalSchema> internalSchemaOpt,
                                        HoodieTableConfig hoodieTableConfig)

Method Detail

prepareRequiredSchema

protected org.apache.avro.Schema prepareRequiredSchema()

Overrides:

prepareRequiredSchema in class HoodieFileGroupReaderSchemaHandler<T>

getBootstrapRequiredFields

public Pair<List<org.apache.avro.Schema.Field>,List<org.apache.avro.Schema.Field>> getBootstrapRequiredFields()

Overrides:

getBootstrapRequiredFields in class HoodieFileGroupReaderSchemaHandler<T>