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Analyzer::UOper Class Reference

#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 Exprget_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::Exprdeep_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::Exprrewrite_with_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
 
std::shared_ptr< Analyzer::Exprrewrite_with_child_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
 
std::shared_ptr< Analyzer::Exprrewrite_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 (bool(*f)(const Expr *), std::list< const Expr * > &expr_list) const override
 
std::shared_ptr< Analyzer::Expradd_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::Exprget_shared_ptr ()
 
const SQLTypeInfoget_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 void print () const
 
virtual void add_unique (std::list< const Expr * > &expr_list) const
 
std::shared_ptr< Analyzer::Exprdecompress ()
 
virtual void get_domain (DomainSet &domain_set) const
 

Protected Attributes

SQLOps optype
 
std::shared_ptr< Analyzer::Exproperand
 
- Protected Attributes inherited from Analyzer::Expr
SQLTypeInfo type_info
 
bool contains_agg
 

Detailed Description

Definition at line 362 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 364 of file Analyzer.h.

365  : Expr(ti, has_agg), optype(o), operand(p) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:69
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
SQLOps optype
Definition: Analyzer.h:410
Analyzer::UOper::UOper ( SQLTypes  t,
SQLOps  o,
std::shared_ptr< Analyzer::Expr p 
)
inline

Definition at line 366 of file Analyzer.h.

367  : Expr(t, o == kISNULL ? true : p->get_type_info().get_notnull())
368  , optype(o)
369  , operand(p) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:69
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
char * t
SQLOps optype
Definition: Analyzer.h:410

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 1343 of file Analyzer.cpp.

References Analyzer::Expr::add_cast(), SQLTypeInfo::get_comp_param(), SQLTypeInfo::get_compression(), SQLTypeInfo::is_string(), kCAST, kENCODING_DICT, kENCODING_NONE, operand, optype, run_benchmark_import::result, TRANSIENT_DICT, and Analyzer::Expr::type_info.

1343  {
1344  if (optype != kCAST) {
1345  return Expr::add_cast(new_type_info);
1346  }
1347  if (type_info.is_string() && new_type_info.is_string() &&
1348  new_type_info.get_compression() == kENCODING_DICT &&
1350  const SQLTypeInfo oti = operand->get_type_info();
1351  if (oti.is_string() && oti.get_compression() == kENCODING_DICT &&
1352  (oti.get_comp_param() == new_type_info.get_comp_param() ||
1353  oti.get_comp_param() == TRANSIENT_DICT(new_type_info.get_comp_param()))) {
1354  auto result = operand;
1355  operand = nullptr;
1356  return result;
1357  }
1358  }
1359  return Expr::add_cast(new_type_info);
1360 }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
Definition: sqldefs.h:49
SQLTypeInfo type_info
Definition: Analyzer.h:176
HOST DEVICE EncodingType get_compression() const
Definition: sqltypes.h:337
virtual std::shared_ptr< Analyzer::Expr > add_cast(const SQLTypeInfo &new_type_info)
Definition: Analyzer.cpp:702
HOST DEVICE int get_comp_param() const
Definition: sqltypes.h:338
bool is_string() const
Definition: sqltypes.h:504
#define TRANSIENT_DICT(ID)
Definition: sqltypes.h:260
SQLOps optype
Definition: Analyzer.h:410

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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 1432 of file Analyzer.cpp.

References operand.

1433  {
1434  operand->check_group_by(groupby);
1435 }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
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 382 of file Analyzer.h.

References operand.

385  {
386  operand->collect_column_var(colvar_set, include_agg);
387  }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
void Analyzer::UOper::collect_rte_idx ( std::set< int > &  rte_idx_set) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 379 of file Analyzer.h.

References operand.

379  {
380  operand->collect_rte_idx(rte_idx_set);
381  }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
std::shared_ptr< Analyzer::Expr > Analyzer::UOper::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 96 of file Analyzer.cpp.

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

96  {
97  return makeExpr<UOper>(type_info, contains_agg, optype, operand->deep_copy());
98 }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
SQLTypeInfo type_info
Definition: Analyzer.h:176
bool contains_agg
Definition: Analyzer.h:177
SQLOps optype
Definition: Analyzer.h:410
void Analyzer::UOper::find_expr ( bool(*)(const Expr *)  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 2977 of file Analyzer.cpp.

References Analyzer::Expr::add_unique(), f, and operand.

2977  {
2978  if (f(this)) {
2979  add_unique(expr_list);
2980  return;
2981  }
2982  operand->find_expr(f, expr_list);
2983 }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:2958
char * f

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SQLOps Analyzer::UOper::get_optype ( ) const
inline

Definition at line 370 of file Analyzer.h.

References optype.

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

370 { return optype; }
SQLOps optype
Definition: Analyzer.h:410

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

Definition at line 372 of file Analyzer.h.

References operand.

Referenced by remove_cast().

372 { return operand; }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411

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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 1527 of file Analyzer.cpp.

References operand.

1529  {
1530  std::set<int> rte_idx_set;
1531  operand->collect_rte_idx(rte_idx_set);
1532  if (rte_idx_set.size() > 1) {
1533  join_predicates.push_back(this);
1534  } else if (rte_idx_set.size() == 1) {
1535  scan_predicates.push_back(this);
1536  } else {
1537  const_predicates.push_back(this);
1538  }
1539 }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
bool Analyzer::UOper::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2190 of file Analyzer.cpp.

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

2190  {
2191  if (typeid(rhs) != typeid(UOper)) {
2192  return false;
2193  }
2194  const UOper& rhs_uo = dynamic_cast<const UOper&>(rhs);
2195  return optype == rhs_uo.get_optype() && *operand == *rhs_uo.get_operand();
2196 }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
UOper(const SQLTypeInfo &ti, bool has_agg, SQLOps o, std::shared_ptr< Analyzer::Expr > p)
Definition: Analyzer.h:364
SQLOps optype
Definition: Analyzer.h:410

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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 398 of file Analyzer.h.

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

399  {
400  return makeExpr<UOper>(
401  type_info, contains_agg, optype, operand->rewrite_agg_to_var(tlist));
402  }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
SQLTypeInfo type_info
Definition: Analyzer.h:176
bool contains_agg
Definition: Analyzer.h:177
SQLOps optype
Definition: Analyzer.h:410
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 393 of file Analyzer.h.

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

394  {
395  return makeExpr<UOper>(
396  type_info, contains_agg, optype, operand->rewrite_with_child_targetlist(tlist));
397  }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
SQLTypeInfo type_info
Definition: Analyzer.h:176
bool contains_agg
Definition: Analyzer.h:177
SQLOps optype
Definition: Analyzer.h:410
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 388 of file Analyzer.h.

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

389  {
390  return makeExpr<UOper>(
391  type_info, contains_agg, optype, operand->rewrite_with_targetlist(tlist));
392  }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
SQLTypeInfo type_info
Definition: Analyzer.h:176
bool contains_agg
Definition: Analyzer.h:177
SQLOps optype
Definition: Analyzer.h:410
std::string Analyzer::UOper::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2540 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.

2540  {
2541  std::string op;
2542  switch (optype) {
2543  case kNOT:
2544  op = "NOT ";
2545  break;
2546  case kUMINUS:
2547  op = "- ";
2548  break;
2549  case kISNULL:
2550  op = "IS NULL ";
2551  break;
2552  case kEXISTS:
2553  op = "EXISTS ";
2554  break;
2555  case kCAST:
2556  op = "CAST " + type_info.get_type_name() + "(" +
2558  std::to_string(type_info.get_scale()) + ") " +
2561  break;
2562  case kUNNEST:
2563  op = "UNNEST ";
2564  break;
2565  default:
2566  break;
2567  }
2568  return "(" + op + operand->toString() + ") ";
2569 }
std::shared_ptr< Analyzer::Expr > operand
Definition: Analyzer.h:411
HOST DEVICE int get_scale() const
Definition: sqltypes.h:334
std::string get_compression_name() const
Definition: sqltypes.h:470
Definition: sqldefs.h:49
SQLTypeInfo type_info
Definition: Analyzer.h:176
std::string to_string(char const *&&v)
int get_precision() const
Definition: sqltypes.h:332
std::string get_type_name() const
Definition: sqltypes.h:432
HOST DEVICE int get_comp_param() const
Definition: sqltypes.h:338
Definition: sqldefs.h:39
SQLOps optype
Definition: Analyzer.h:410

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Member Data Documentation

SQLOps Analyzer::UOper::optype
protected

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