impala::TableDescriptor Class Reference

Base class for table descriptors. More...

#include <descriptors.h>

Inheritance diagram for impala::TableDescriptor:

Collaboration diagram for impala::TableDescriptor:

Public Member Functions
	TableDescriptor (const TTableDescriptor &tdesc)
virtual	~TableDescriptor ()
int	num_cols () const
int	num_clustering_cols () const
virtual std::string	DebugString () const
bool	IsClusteringCol (const SlotDescriptor *slot_desc) const
const std::string &	name () const
const std::string &	database () const
const std::vector< std::string > &	col_names () const

Protected Attributes
std::string	name_
std::string	database_
TableId	id_
int	num_cols_
int	num_clustering_cols_
std::vector< std::string >	col_names_

Detailed Description

Base class for table descriptors.

Definition at line 148 of file descriptors.h.

Constructor & Destructor Documentation

impala::TableDescriptor::TableDescriptor

(

const TTableDescriptor &

tdesc

)

Definition at line 91 of file descriptors.cc.

virtual impala::TableDescriptor::~TableDescriptor ( )

inlinevirtual

Definition at line 151 of file descriptors.h.

Member Function Documentation

const std::vector<std::string>& impala::TableDescriptor::col_names ( ) const

inline

Definition at line 165 of file descriptors.h.

References col_names_.

Referenced by impala::HdfsParquetTableWriter::AddRowGroup(), impala::HdfsParquetTableWriter::CreateSchema(), impala::HdfsParquetTableWriter::FlushCurrentRowGroup(), impala::HdfsTableSink::InitOutputPartition(), impala::DataSourceScanNode::Open(), impala::HdfsTableSink::PrepareExprs(), and impala::HdfsAvroScanner::VerifyTypesMatch().

const std::string& impala::TableDescriptor::database ( ) const

inline

Definition at line 164 of file descriptors.h.

References database_.

Referenced by impala::HdfsScanNode::StopAndFinalizeCounters().

string impala::TableDescriptor::DebugString ( ) const

virtual

Reimplemented in impala::DataSourceTableDescriptor, impala::HBaseTableDescriptor, and impala::HdfsTableDescriptor.

Definition at line 100 of file descriptors.cc.

References col_names_, num_clustering_cols_, and num_cols_.

Referenced by impala::HdfsTableDescriptor::DebugString(), impala::HBaseTableDescriptor::DebugString(), and impala::DataSourceTableDescriptor::DebugString().

bool impala::TableDescriptor::IsClusteringCol ( const SlotDescriptor *  slot_desc ) const

inline

The first num_clustering_cols_ columns by position are clustering columns.

Definition at line 158 of file descriptors.h.

References impala::SlotDescriptor::col_path(), and num_clustering_cols_.

const std::string& impala::TableDescriptor::name ( ) const

inline

Definition at line 163 of file descriptors.h.

References name_.

Referenced by impala::HBaseTableWriter::Init(), impala::DataSourceScanNode::Open(), and impala::HdfsScanNode::StopAndFinalizeCounters().

int impala::TableDescriptor::num_clustering_cols ( ) const

inline

Definition at line 153 of file descriptors.h.

References num_clustering_cols_.

Referenced by impala::HdfsParquetTableWriter::AddRowGroup(), impala::HdfsSequenceTableWriter::AppendRowBatch(), impala::HdfsTextTableWriter::AppendRowBatch(), impala::HdfsAvroTableWriter::ConsumeRow(), impala::HdfsParquetTableWriter::CreateSchema(), impala::HdfsSequenceTableWriter::EncodeRow(), impala::HdfsParquetTableWriter::FlushCurrentRowGroup(), impala::HdfsTableWriter::HdfsTableWriter(), impala::HdfsParquetTableWriter::Init(), impala::HdfsScanNode::num_partition_keys(), and impala::HdfsTableSink::PrepareExprs().

int impala::TableDescriptor::num_cols ( ) const

inline

Definition at line 152 of file descriptors.h.

References num_cols_.

Referenced by impala::HBaseTableWriter::AppendRowBatch(), impala::HdfsSequenceTableWriter::AppendRowBatch(), impala::HdfsTextTableWriter::AppendRowBatch(), impala::HdfsAvroTableWriter::ConsumeRow(), impala::HdfsSequenceTableWriter::EncodeRow(), impala::HdfsTableWriter::HdfsTableWriter(), impala::HBaseTableWriter::Init(), impala::HdfsParquetTableWriter::Init(), impala::HdfsTextScanner::InitNewRange(), impala::HdfsSequenceScanner::InitNewRange(), impala::HdfsRCFileScanner::InitNewRange(), impala::HdfsTableSink::PrepareExprs(), and impala::HdfsAvroScanner::ResolveSchemas().

Member Data Documentation

std::vector<std::string> impala::TableDescriptor::col_names_

protected

Definition at line 173 of file descriptors.h.

Referenced by col_names(), and DebugString().

std::string impala::TableDescriptor::database_

protected

Definition at line 169 of file descriptors.h.

Referenced by database().

TableId impala::TableDescriptor::id_

protected

Definition at line 170 of file descriptors.h.

std::string impala::TableDescriptor::name_

protected

Definition at line 168 of file descriptors.h.

Referenced by name().

int impala::TableDescriptor::num_clustering_cols_

protected

Definition at line 172 of file descriptors.h.

Referenced by DebugString(), IsClusteringCol(), and num_clustering_cols().

int impala::TableDescriptor::num_cols_

protected

Definition at line 171 of file descriptors.h.

Referenced by DebugString(), and num_cols().

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The documentation for this class was generated from the following files:

• be/src/runtime/descriptors.h
• be/src/runtime/descriptors.cc