Uses of Package
org.apache.hadoop.hive.ql.io

Packages that use org.apache.hadoop.hive.ql.io

org.apache.hadoop.hive.ql.exec	Hive QL execution tasks, operators, functions and other handlers.
org.apache.hadoop.hive.ql.exec.mr
org.apache.hadoop.hive.ql.exec.persistence
org.apache.hadoop.hive.ql.index
org.apache.hadoop.hive.ql.index.compact
org.apache.hadoop.hive.ql.io
org.apache.hadoop.hive.ql.io.avro
org.apache.hadoop.hive.ql.io.orc	The Optimized Row Columnar (ORC) File Format.
org.apache.hadoop.hive.ql.io.parquet
org.apache.hadoop.hive.ql.io.rcfile.merge
org.apache.hadoop.hive.ql.metadata
org.apache.hadoop.hive.ql.plan

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.exec

HiveKey
HiveKey is a simple wrapper on Text which allows us to set the hashCode easily.

HiveOutputFormat
HiveOutputFormat describes the output-specification for Hive's operators.

HivePartitioner
Partition keys by their Object.hashCode().

RCFile.Writer
Write KeyBuffer/ValueBuffer pairs to a RCFile.

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.exec.mr

IOContext
IOContext basically contains the position information of the current key/value.

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.exec.persistence

HiveOutputFormat
HiveOutputFormat describes the output-specification for Hive's operators.

HiveSequenceFileOutputFormat
A HiveOutputFormat that writes SequenceFiles.

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.index

HiveInputFormat
HiveInputFormat is a parameterized InputFormat which looks at the path name and determine the correct InputFormat for that path name from mapredPlan.pathToPartitionInfo().

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.index.compact

HiveInputFormat
HiveInputFormat is a parameterized InputFormat which looks at the path name and determine the correct InputFormat for that path name from mapredPlan.pathToPartitionInfo().

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.io

AcidInputFormat.Options
Options for controlling the record readers.

AcidInputFormat.RawReader

AcidInputFormat.RowReader

AcidOutputFormat.Options
Options to control how the files are written

AcidUtils.Directory

AcidUtils.ParsedDelta

BucketizedHiveInputSplit
HiveInputSplit encapsulates an InputSplit with its corresponding inputFormatClass.

ContentSummaryInputFormat
ContentSummayInputFormat provides an interface to let the input format itself figure the content summary for a give input path.

FlatFileInputFormat.RowContainer
A work-around until HADOOP-1230 is fixed.

FlatFileInputFormat.SerializationContext
An implementation of SerializationContext is responsible for looking up the Serialization implementation for the given RecordReader.

HiveContextAwareRecordReader
This class prepares an IOContext, and provides the ability to perform a binary search on the data.

HiveInputFormat
HiveInputFormat is a parameterized InputFormat which looks at the path name and determine the correct InputFormat for that path name from mapredPlan.pathToPartitionInfo().

HiveInputFormat.HiveInputSplit
HiveInputSplit encapsulates an InputSplit with its corresponding inputFormatClass.

HiveOutputFormat
HiveOutputFormat describes the output-specification for Hive's operators.

HivePartitioner
Partition keys by their Object.hashCode().

InputFormatChecker
Check for validity of the input files.

IOContext
IOContext basically contains the position information of the current key/value.

IOContext.Comparison

IOPrepareCache
IOPrepareCache is used to cache pre-query io-related objects.

NonSyncDataOutputBuffer
A thread-not-safe version of Hadoop's DataOutputBuffer, which removes all synchronized modifiers.

NullRowsInputFormat
NullRowsInputFormat outputs null rows, maximum 100.

NullRowsInputFormat.NullRowsRecordReader

RCFile.KeyBuffer
KeyBuffer is the key of each record in RCFile.

RCFile.ValueBuffer
ValueBuffer is the value of each record in RCFile.

RecordIdentifier
Gives the Record identifer information for the current record.

RecordUpdater
API for supporting updating records.

ReworkMapredInputFormat

SymbolicInputFormat

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.io.avro

HiveOutputFormat
HiveOutputFormat describes the output-specification for Hive's operators.

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.io.orc

AcidInputFormat
The interface required for input formats that what to support ACID transactions.

AcidInputFormat.Options
Options for controlling the record readers.

AcidInputFormat.RawReader

AcidInputFormat.RowReader

AcidOutputFormat
An extension for OutputFormats that want to implement ACID transactions.

AcidOutputFormat.Options
Options to control how the files are written

HiveOutputFormat
HiveOutputFormat describes the output-specification for Hive's operators.

InputFormatChecker
Check for validity of the input files.

RecordIdentifier
Gives the Record identifer information for the current record.

RecordUpdater
API for supporting updating records.

StatsProvidingRecordWriter
If a file format internally gathers statistics (like ORC) while writing then it can expose the statistics through this record writer interface.

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.io.parquet

HiveOutputFormat
HiveOutputFormat describes the output-specification for Hive's operators.

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.io.rcfile.merge

RCFile.KeyBuffer
KeyBuffer is the key of each record in RCFile.

RCFile.ValueBuffer
ValueBuffer is the value of each record in RCFile.

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.metadata

HiveOutputFormat
HiveOutputFormat describes the output-specification for Hive's operators.

Classes in org.apache.hadoop.hive.ql.io used by org.apache.hadoop.hive.ql.plan

HiveOutputFormat
HiveOutputFormat describes the output-specification for Hive's operators.