m::QueryDatabase Struct Reference

Run a query against the selected database. More...

#include <DatabaseCommand.hpp>

Inheritance diagram for m::QueryDatabase:

Collaboration diagram for m::QueryDatabase:

Public Member Functions
void	accept (DatabaseCommandVisitor &v) override
void	accept (ConstDatabaseCommandVisitor &v) const override
void	execute (Diagnostic &diag) override
	Executes the command.
template<typename T = ast::Command> requires std::derived_from<T, ast::Command>
T &	ast ()
template<typename T = ast::Command> requires std::derived_from<T, ast::Command>
const T &	ast () const
std::unique_ptr< ast::Command >	ast (std::unique_ptr< ast::Command > new_ast)
Scheduler::Transaction *	transaction ()
void	transaction (Scheduler::Transaction *t)

Private Attributes
std::unique_ptr< QueryGraph >	graph_
std::unique_ptr< Consumer >	logical_plan_
std::unique_ptr< MatchBase >	physical_plan_
std::unique_ptr< ast::Command >	ast_
	‍the AST of the command; optional
Scheduler::Transaction *	t_
	‍the transaction this command belongs to

Detailed Description

Run a query against the selected database.

Definition at line 115 of file DatabaseCommand.hpp.

Member Function Documentation

accept() [1/2]

void m::QueryDatabase::accept ( ConstDatabaseCommandVisitor &  v ) const

overridevirtual

Implements m::DatabaseCommand.

accept() [2/2]

void m::QueryDatabase::accept ( DatabaseCommandVisitor &  v )

overridevirtual

Implements m::DatabaseCommand.

ast() [1/3]

template<typename T = ast::Command>
requires std::derived_from<T, ast::Command>

T & m::DatabaseCommand::ast ( )

inlineinherited

Definition at line 39 of file DatabaseCommand.hpp.

References m::DatabaseCommand::ast_, and m::T().

Referenced by execute().

ast() [2/3]

template<typename T = ast::Command>
requires std::derived_from<T, ast::Command>

const T & m::DatabaseCommand::ast ( ) const

inlineinherited

Definition at line 42 of file DatabaseCommand.hpp.

References m::DatabaseCommand::ast_, and m::T().

ast() [3/3]

std::unique_ptr< ast::Command > m::DatabaseCommand::ast ( std::unique_ptr< ast::Command >  new_ast )

inlineinherited

Definition at line 44 of file DatabaseCommand.hpp.

References m::DatabaseCommand::ast_.

execute()

void QueryDatabase::execute ( Diagnostic &  diag )

overridevirtual

Executes the command.

Implements m::DatabaseCommand.

Definition at line 53 of file DatabaseCommand.cpp.

References m::DatabaseCommand::ast(), m::QueryGraph::Build(), m::Catalog::cost_function(), m::PhysicalOptimizerImpl< PhysicalPlanTable >::cover(), m::Catalog::create_backend(), m::Timer::create_timing(), m::Options::dryrun, m::PhysicalOptimizerImpl< PhysicalPlanTable >::extract_plan(), m::Catalog::Get(), m::Options::Get(), m::Options::graph, graph_, m::Options::graphdot, logical_plan_, m::Catalog::logical_post_optimizations(), M_insist, M_TIME_EXPR, m::Diagnostic::out(), physical_plan_, m::Catalog::physical_post_optimizations(), m::Options::physplan, m::Catalog::plan_enumerator(), m::Catalog::pre_optimizations(), m::DotTool::show(), m::DotTool::stream(), m::Catalog::timer(), and m::DatabaseCommand::transaction().

transaction() [1/2]

Scheduler::Transaction * m::DatabaseCommand::transaction ( )

inlineinherited

Definition at line 48 of file DatabaseCommand.hpp.

References m::DatabaseCommand::t_.

Referenced by execute(), m::InsertRecords::execute(), and m::ImportDSV::execute().

transaction() [2/2]

void m::DatabaseCommand::transaction ( Scheduler::Transaction *  t )

inlineinherited

Definition at line 49 of file DatabaseCommand.hpp.

References m::DatabaseCommand::t_.

Field Documentation

ast_

std::unique_ptr<ast::Command> m::DatabaseCommand::ast_

privateinherited

‍the AST of the command; optional

Definition at line 24 of file DatabaseCommand.hpp.

Referenced by m::DatabaseCommand::ast().

graph_

std::unique_ptr<QueryGraph> m::QueryDatabase::graph_

private

Definition at line 118 of file DatabaseCommand.hpp.

Referenced by execute().

logical_plan_

std::unique_ptr<Consumer> m::QueryDatabase::logical_plan_

private

Definition at line 119 of file DatabaseCommand.hpp.

Referenced by execute().

physical_plan_

std::unique_ptr<MatchBase> m::QueryDatabase::physical_plan_

private

Definition at line 120 of file DatabaseCommand.hpp.

Referenced by execute().

t_

Scheduler::Transaction* m::DatabaseCommand::t_

privateinherited

‍the transaction this command belongs to

Definition at line 26 of file DatabaseCommand.hpp.

Referenced by m::DatabaseCommand::transaction().

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

• include/mutable/catalog/DatabaseCommand.hpp
• src/catalog/DatabaseCommand.cpp