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QueryPhysicalInputsCollector.h File Reference

Find out all the physical inputs (columns) a query is using. More...

#include <ostream>
#include <unordered_set>
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Classes

struct  PhysicalInput
 
struct  std::hash< PhysicalInput >
 

Namespaces

 std
 

Functions

std::ostream & operator<< (std::ostream &, PhysicalInput const &)
 
std::unordered_set< PhysicalInputget_physical_inputs (const RelAlgNode *)
 
std::unordered_set< int > get_physical_table_inputs (const RelAlgNode *)
 

Detailed Description

Find out all the physical inputs (columns) a query is using.

Definition in file QueryPhysicalInputsCollector.h.

Function Documentation

std::unordered_set<PhysicalInput> get_physical_inputs ( const RelAlgNode )

Definition at line 209 of file QueryPhysicalInputsCollector.cpp.

Referenced by RelAlgExecutor::computeColRangesCache(), RelAlgExecutor::computeStringDictionaryGenerations(), anonymous_namespace{RelAlgExecutor.cpp}::get_physical_inputs(), anonymous_namespace{RelAlgExecutor.cpp}::prepare_for_system_table_execution(), anonymous_namespace{RelAlgExecutor.cpp}::prepare_string_dictionaries(), anonymous_namespace{RelAlgExecutor.cpp}::set_parallelism_hints(), and RelAlgExecutor::setupCaching().

209  {
210  RelAlgPhysicalInputsVisitor phys_inputs_visitor;
211  return phys_inputs_visitor.visit(ra);
212 }

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std::unordered_set<int> get_physical_table_inputs ( const RelAlgNode )

Definition at line 214 of file QueryPhysicalInputsCollector.cpp.

Referenced by RelAlgExecutor::computeTableGenerations(), RelAlgExecutor::getPhysicalTableIds(), and RelAlgExecutor::setupCaching().

214  {
215  return RelAlgPhysicalTableInputsVisitor::getTableIds(ra);
216 }

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std::ostream& operator<< ( std::ostream &  ,
PhysicalInput const &   
)

Definition at line 218 of file QueryPhysicalInputsCollector.cpp.

References PhysicalInput::col_id, and PhysicalInput::table_id.

218  {
219  return os << '(' << physical_input.col_id << ',' << physical_input.table_id << ')';
220 }