#include <descriptors.h>

Collaboration diagram for impala::DescriptorTbl:

Public Member Functions
TableDescriptor *	GetTableDescriptor (TableId id) const

TupleDescriptor *	GetTupleDescriptor (TupleId id) const

SlotDescriptor *	GetSlotDescriptor (SlotId id) const

void	GetTupleDescs (std::vector< TupleDescriptor * > *descs) const
	return all registered tuple descriptors More...

std::string	DebugString () const

Static Public Member Functions
static Status	Create (ObjectPool pool, const TDescriptorTable &thrift_tbl, DescriptorTbl *tbl)

Private Types
typedef std::tr1::unordered_map < TableId, TableDescriptor * >	TableDescriptorMap

typedef std::tr1::unordered_map < TupleId, TupleDescriptor * >	TupleDescriptorMap

typedef std::tr1::unordered_map < SlotId, SlotDescriptor * >	SlotDescriptorMap

Private Member Functions
	DescriptorTbl ()

Private Attributes
TableDescriptorMap	tbl_desc_map_

TupleDescriptorMap	tuple_desc_map_

SlotDescriptorMap	slot_desc_map_

Detailed Description

Definition at line 338 of file descriptors.h.

Member Typedef Documentation

typedef std::tr1::unordered_map<SlotId, SlotDescriptor*> impala::DescriptorTbl::SlotDescriptorMap

private

Definition at line 357 of file descriptors.h.

typedef std::tr1::unordered_map<TableId, TableDescriptor*> impala::DescriptorTbl::TableDescriptorMap

private

Definition at line 355 of file descriptors.h.

typedef std::tr1::unordered_map<TupleId, TupleDescriptor*> impala::DescriptorTbl::TupleDescriptorMap

private

Definition at line 356 of file descriptors.h.

Constructor & Destructor Documentation

impala::DescriptorTbl::DescriptorTbl ( )

inlineprivate

Definition at line 363 of file descriptors.h.

Referenced by Create().

Member Function Documentation

Status impala::DescriptorTbl::Create	(	ObjectPool *	pool,
		const TDescriptorTable &	thrift_tbl,
		DescriptorTbl **	tbl
	)

static

Creates a descriptor tbl within 'pool' from thrift_tbl and returns it via 'tbl'. Returns OK on success, otherwise error (in which case 'tbl' will be unset).

Definition at line 378 of file descriptors.cc.

References impala::ObjectPool::Add(), DescriptorTbl(), impala::Status::OK, and impala::TupleDescriptor::table_desc_.

Referenced by impala::DescriptorTblBuilder::Build(), impala::DataStreamTest::CreateRowDesc(), and impala::PlanFragmentExecutor::Prepare().

string impala::DescriptorTbl::DebugString ( ) const

Definition at line 608 of file descriptors.cc.

References tuple_desc_map_.

Referenced by impala::PlanFragmentExecutor::Prepare().

SlotDescriptor * impala::DescriptorTbl::GetSlotDescriptor ( SlotId id ) const

Definition at line 447 of file descriptors.cc.

References slot_desc_map_.

Referenced by impala::HdfsScanNode::ComputeSlotMaterializationOrder(), and impala::SlotRef::Prepare().

TableDescriptor * impala::DescriptorTbl::GetTableDescriptor ( TableId id ) const