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< PhysicalInput >	get_physical_inputs (const RelAlgNode *)
std::unordered_set < shared::TableKey >	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 216 of file QueryPhysicalInputsCollector.cpp.

Referenced by anonymous_namespace{RelAlgExecutor.cpp}::get_physical_inputs_with_spi_col_id(), anonymous_namespace{RelAlgExecutor.cpp}::prepare_for_system_table_execution(), anonymous_namespace{RelAlgExecutor.cpp}::prepare_string_dictionaries(), and anonymous_namespace{RelAlgExecutor.cpp}::set_parallelism_hints().

                                                                          {
  RelAlgPhysicalInputsVisitor phys_inputs_visitor;
  return phys_inputs_visitor.visit(ra);
}

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std::unordered_set<shared::TableKey> get_physical_table_inputs

(

const RelAlgNode *

)

Definition at line 221 of file QueryPhysicalInputsCollector.cpp.

Referenced by RelAlgExecutor::computeTableGenerations(), RelAlgExecutor::getPhysicalTableIds(), RelAlgExecutor::setupCaching(), and anonymous_namespace{ExpressionRewrite.cpp}::update_input_to_nest_lv().

                                                                                 {
  return RelAlgPhysicalTableInputsVisitor::getTableIds(ra);
}

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

Definition at line 225 of file QueryPhysicalInputsCollector.cpp.

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

                                                                            {
  return os << '(' << physical_input.col_id << ',' << physical_input.table_id << ','
            << physical_input.db_id << ')';
}