#include <Analyzer.h>

Inheritance diagram for Analyzer::UOper:

Collaboration diagram for Analyzer::UOper:

Public Member Functions
	UOper (const SQLTypeInfo &ti, bool has_agg, SQLOps o, std::shared_ptr< Analyzer::Expr > p)

	UOper (SQLTypes t, SQLOps o, std::shared_ptr< Analyzer::Expr > p)

SQLOps	get_optype () const

const Expr *	get_operand () const

const std::shared_ptr < Analyzer::Expr >	get_own_operand () const

void	check_group_by (const std::list< std::shared_ptr< Analyzer::Expr >> &groupby) const override

std::shared_ptr< Analyzer::Expr >	deep_copy () const override

void	group_predicates (std::list< const Expr * > &scan_predicates, std::list< const Expr * > &join_predicates, std::list< const Expr * > &const_predicates) const override

void	collect_rte_idx (std::set< int > &rte_idx_set) const override

void	collect_column_var (std::set< const ColumnVar , bool()(const ColumnVar , const ColumnVar )> &colvar_set, bool include_agg) const override

std::shared_ptr< Analyzer::Expr >	rewrite_with_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override

std::shared_ptr< Analyzer::Expr >	rewrite_with_child_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override

std::shared_ptr< Analyzer::Expr >	rewrite_agg_to_var (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override

bool	operator== (const Expr &rhs) const override

std::string	toString () const override

void	find_expr (std::function< bool(const Expr )> f, std::list< const Expr > &expr_list) const override

std::shared_ptr< Analyzer::Expr >	add_cast (const SQLTypeInfo &new_type_info) override

Public Member Functions inherited from Analyzer::Expr
	Expr (SQLTypes t, bool notnull)

	Expr (SQLTypes t, int d, bool notnull)

	Expr (SQLTypes t, int d, int s, bool notnull)

	Expr (const SQLTypeInfo &ti, bool has_agg=false)

virtual	~Expr ()

std::shared_ptr< Analyzer::Expr >	get_shared_ptr ()

const SQLTypeInfo &	get_type_info () const

void	set_type_info (const SQLTypeInfo &ti)

bool	get_contains_agg () const

void	set_contains_agg (bool a)

virtual std::shared_ptr < Analyzer::Expr >	normalize_simple_predicate (int &rte_idx) const

virtual size_t	get_num_column_vars (const bool include_agg) const

virtual void	print () const

virtual void	add_unique (std::list< const Expr * > &expr_list) const

std::shared_ptr< Analyzer::Expr >	decompress ()

virtual void	get_domain (DomainSet &domain_set) const

Protected Attributes
SQLOps	optype

std::shared_ptr< Analyzer::Expr >	operand

Protected Attributes inherited from Analyzer::Expr
SQLTypeInfo	type_info

bool	contains_agg

Detailed Description

Definition at line 375 of file Analyzer.h.

Constructor & Destructor Documentation

Analyzer::UOper::UOper	(	const SQLTypeInfo &	ti,
		bool	has_agg,
		SQLOps	o,
		std::shared_ptr< Analyzer::Expr >	p
	)

inline

Definition at line 377 of file Analyzer.h.

378 : Expr(ti, has_agg), optype(o), operand(p) {}

Analyzer::Expr::Expr

Expr(SQLTypes t, bool notnull)

Definition: Analyzer.h:70

Analyzer::UOper::operand

std::shared_ptr< Analyzer::Expr > operand

Definition: Analyzer.h:424

Analyzer::UOper::optype

SQLOps optype

Definition: Analyzer.h:423

Analyzer::UOper::UOper	(	SQLTypes	t,
		SQLOps	o,
		std::shared_ptr< Analyzer::Expr >	p
	)

inline

Definition at line 379 of file Analyzer.h.

       : Expr(t, o == kISNULL ? true : p->get_type_info().get_notnull())
       , optype(o)
       , operand(p) {}

Member Function Documentation

std::shared_ptr< Analyzer::Expr > Analyzer::UOper::add_cast ( const SQLTypeInfo & new_type_info )

overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 1418 of file Analyzer.cpp.

References Analyzer::Expr::add_cast(), SQLTypeInfo::get_compression(), Analyzer::anonymous_namespace{Analyzer.cpp}::has_same_dict(), SQLTypeInfo::is_string(), kCAST, kENCODING_DICT, kENCODING_NONE, operand, optype, run_benchmark_import::result, and Analyzer::Expr::type_info.

                                                                             {
   if (optype != kCAST) {
     return Expr::add_cast(new_type_info);
   }
   if (type_info.is_string() && new_type_info.is_string() &&
       new_type_info.get_compression() == kENCODING_DICT &&
       type_info.get_compression() == kENCODING_NONE) {
     const SQLTypeInfo oti = operand->get_type_info();
     if (oti.is_string() && oti.get_compression() == kENCODING_DICT &&
         has_same_dict(oti, new_type_info)) {
       auto result = operand;
       operand = nullptr;
       return result;
     }
   }
   return Expr::add_cast(new_type_info);
 }

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void Analyzer::UOper::check_group_by ( const std::list< std::shared_ptr< Analyzer::Expr >> & groupby ) const

overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 1506 of file Analyzer.cpp.

References operand.

                                                                {
   operand->check_group_by(groupby);
 }

void Analyzer::UOper::collect_column_var	(	std::set< const ColumnVar , bool()(const ColumnVar , const ColumnVar )> &	colvar_set,
		bool	include_agg
	)		const

inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 395 of file Analyzer.h.

References operand.

                                        {
     operand->collect_column_var(colvar_set, include_agg);
   }

void Analyzer::UOper::collect_rte_idx ( std::set< int > & rte_idx_set ) const

inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 392 of file Analyzer.h.

References operand.

                                                                 {
     operand->collect_rte_idx(rte_idx_set);
   }

std::shared_ptr< Analyzer::Expr > Analyzer::UOper::deep_copy ( ) const

overridevirtual

Implements Analyzer::Expr.

Definition at line 102 of file Analyzer.cpp.

References Analyzer::Expr::contains_agg, operand, optype, and Analyzer::Expr::type_info.

                                                    {
   return makeExpr<UOper>(type_info, contains_agg, optype, operand->deep_copy());
 }

void Analyzer::UOper::find_expr	(	std::function< bool(const Expr *)>	f,
		std::list< const Expr * > &	expr_list
	)		const

overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 3136 of file Analyzer.cpp.

References Analyzer::Expr::add_unique(), anonymous_namespace{Utm.h}::f, and operand.

                                                              {
   if (f(this)) {
     add_unique(expr_list);
     return;
   }
   operand->find_expr(f, expr_list);
 }

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const Expr* Analyzer::UOper::get_operand ( ) const

inline

Definition at line 384 of file Analyzer.h.

References operand.

Referenced by CodeGenerator::codegenCast(), CodeGenerator::codegenFunctionOper(), CodeGenerator::codegenIsNull(), CodeGenerator::codegenLogical(), CodeGenerator::codegenUMinus(), CodeGenerator::codegenUnnest(), getExpressionRange(), is_constructed_point(), operator==(), QueryMemoryDescriptor::pick_target_compact_width(), anonymous_namespace{DateTimePlusRewrite.cpp}::remove_cast_to_date(), ScalarExprToSql::visitUOper(), DeepCopyVisitor::visitUOper(), TransientStringLiteralsVisitor::visitUOper(), ScalarExprVisitor< std::set< shared::TableKey > >::visitUOper(), anonymous_namespace{RelAlgExecutor.cpp}::TextEncodingCastCountVisitor::visitUOper(), and anonymous_namespace{ExpressionRewrite.cpp}::ConstantFoldingVisitor::visitUOper().

384 { return operand.get(); }

Analyzer::UOper::operand

std::shared_ptr< Analyzer::Expr > operand

Definition: Analyzer.h:424

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SQLOps Analyzer::UOper::get_optype ( ) const

inline

Definition at line 383 of file Analyzer.h.

References optype.

Referenced by CodeGenerator::codegen(), CodeGenerator::codegenCast(), CodeGenerator::codegenLogical(), CodeGenerator::codegenUMinus(), getExpressionRange(), is_unnest(), operator==(), ScalarExprToSql::visitUOper(), DeepCopyVisitor::visitUOper(), TransientStringLiteralsVisitor::visitUOper(), TransientDictIdVisitor::visitUOper(), anonymous_namespace{RelAlgExecutor.cpp}::TextEncodingCastCountVisitor::visitUOper(), and anonymous_namespace{ExpressionRewrite.cpp}::ConstantFoldingVisitor::visitUOper().

383 { return optype; }

Analyzer::UOper::optype

SQLOps optype

Definition: Analyzer.h:423

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const std::shared_ptr<Analyzer::Expr> Analyzer::UOper::get_own_operand ( ) const

inline

Definition at line 385 of file Analyzer.h.

References operand.

Referenced by remove_cast().

385 { return operand; }

Analyzer::UOper::operand

std::shared_ptr< Analyzer::Expr > operand

Definition: Analyzer.h:424

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void Analyzer::UOper::group_predicates	(	std::list< const Expr * > &	scan_predicates,
		std::list< const Expr * > &	join_predicates,
		std::list< const Expr * > &	const_predicates
	)		const

overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 1601 of file Analyzer.cpp.

References operand.

                                                                            {
   std::set<int> rte_idx_set;
   operand->collect_rte_idx(rte_idx_set);
   if (rte_idx_set.size() > 1) {
     join_predicates.push_back(this);
   } else if (rte_idx_set.size() == 1) {
     scan_predicates.push_back(this);
   } else {
     const_predicates.push_back(this);
   }
 }

bool Analyzer::UOper::operator== ( const Expr & rhs ) const

overridevirtual

Implements Analyzer::Expr.

Definition at line 2292 of file Analyzer.cpp.

References get_operand(), get_optype(), operand, and optype.

                                             {
   if (typeid(rhs) != typeid(UOper)) {
     return false;
   }
   const UOper& rhs_uo = dynamic_cast<const UOper&>(rhs);
   return optype == rhs_uo.get_optype() && *operand == *rhs_uo.get_operand();
 }

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std::shared_ptr<Analyzer::Expr> Analyzer::UOper::rewrite_agg_to_var ( const std::vector< std::shared_ptr< TargetEntry >> & tlist ) const

inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 411 of file Analyzer.h.

References Analyzer::Expr::contains_agg, operand, optype, and Analyzer::Expr::type_info.

                                                                          {
     return makeExpr<UOper>(
         type_info, contains_agg, optype, operand->rewrite_agg_to_var(tlist));
   }

std::shared_ptr<Analyzer::Expr> Analyzer::UOper::rewrite_with_child_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> & tlist ) const

inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 406 of file Analyzer.h.

References Analyzer::Expr::contains_agg, operand, optype, and Analyzer::Expr::type_info.

                                                                          {
     return makeExpr<UOper>(
         type_info, contains_agg, optype, operand->rewrite_with_child_targetlist(tlist));
   }

std::shared_ptr<Analyzer::Expr> Analyzer::UOper::rewrite_with_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> & tlist ) const

inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 401 of file Analyzer.h.

References Analyzer::Expr::contains_agg, operand, optype, and Analyzer::Expr::type_info.

                                                                          {
     return makeExpr<UOper>(
         type_info, contains_agg, optype, operand->rewrite_with_targetlist(tlist));
   }

std::string Analyzer::UOper::toString ( ) const

overridevirtual

Implements Analyzer::Expr.

Definition at line 2652 of file Analyzer.cpp.

References SQLTypeInfo::get_comp_param(), SQLTypeInfo::get_compression_name(), SQLTypeInfo::get_precision(), SQLTypeInfo::get_scale(), SQLTypeInfo::get_type_name(), kCAST, kEXISTS, kISNULL, kNOT, kUMINUS, kUNNEST, operand, optype, to_string(), and Analyzer::Expr::type_info.

                                 {
   std::string op;
   switch (optype) {
     case kNOT:
       op = "NOT ";
       break;
     case kUMINUS:
       op = "- ";
       break;
     case kISNULL:
       op = "IS NULL ";
       break;
     case kEXISTS:
       op = "EXISTS ";
       break;
     case kCAST:
       op = "CAST " + type_info.get_type_name() + "(" +
            std::to_string(type_info.get_precision()) + "," +
            std::to_string(type_info.get_scale()) + ") " +
            type_info.get_compression_name() + "(" +
            std::to_string(type_info.get_comp_param()) + ") ";
       break;
     case kUNNEST:
       op = "UNNEST ";
       break;
     default:
       break;
   }
   return "(" + op + operand->toString() + ") ";
 }

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Member Data Documentation

std::shared_ptr<Analyzer::Expr> Analyzer::UOper::operand

protected

Definition at line 424 of file Analyzer.h.

Referenced by add_cast(), check_group_by(), collect_column_var(), collect_rte_idx(), deep_copy(), find_expr(), get_operand(), get_own_operand(), group_predicates(), operator==(), rewrite_agg_to_var(), rewrite_with_child_targetlist(), rewrite_with_targetlist(), and toString().

SQLOps Analyzer::UOper::optype

protected

Definition at line 423 of file Analyzer.h.

Referenced by add_cast(), deep_copy(), get_optype(), operator==(), rewrite_agg_to_var(), rewrite_with_child_targetlist(), rewrite_with_targetlist(), and toString().

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

/home/jenkins-slave/workspace/core-os-doxygen/Analyzer/Analyzer.h
/home/jenkins-slave/workspace/core-os-doxygen/Analyzer/Analyzer.cpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation