OmniSciDB  c07336695a
Parser::LikelihoodExpr Class Reference

#include <ParserNode.h>

+ Inheritance diagram for Parser::LikelihoodExpr:
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Public Member Functions

 LikelihoodExpr (bool n, Expr *a, float l)
 
bool get_is_not () const
 
const Exprget_arg () const
 
float get_likelihood () const
 
std::shared_ptr< Analyzer::Expranalyze (const Catalog_Namespace::Catalog &catalog, Analyzer::Query &query, TlistRefType allow_tlist_ref=TLIST_NONE) const override
 
std::string to_string () const override
 
- Public Member Functions inherited from Parser::Node
virtual ~Node ()
 

Static Public Member Functions

static std::shared_ptr< Analyzer::Exprget (std::shared_ptr< Analyzer::Expr > arg_expr, float likelihood, const bool is_not)
 

Private Attributes

bool is_not
 
std::unique_ptr< Exprarg
 
float likelihood
 

Additional Inherited Members

- Public Types inherited from Parser::Expr
enum  TlistRefType { TLIST_NONE, TLIST_REF, TLIST_COPY }
 

Detailed Description

Definition at line 558 of file ParserNode.h.

Constructor & Destructor Documentation

◆ LikelihoodExpr()

Parser::LikelihoodExpr::LikelihoodExpr ( bool  n,
Expr a,
float  l 
)
inline

Definition at line 560 of file ParserNode.h.

560 : is_not(n), arg(a), likelihood(l) {}
std::unique_ptr< Expr > arg
Definition: ParserNode.h:575

Member Function Documentation

◆ analyze()

std::shared_ptr< Analyzer::Expr > Parser::LikelihoodExpr::analyze ( const Catalog_Namespace::Catalog catalog,
Analyzer::Query query,
TlistRefType  allow_tlist_ref = TLIST_NONE 
) const
overridevirtual

Implements Parser::Expr.

Definition at line 664 of file ParserNode.cpp.

667  {
668  auto arg_expr = arg->analyze(catalog, query, allow_tlist_ref);
669  return LikelihoodExpr::get(arg_expr, likelihood, is_not);
670 }
static std::shared_ptr< Analyzer::Expr > get(std::shared_ptr< Analyzer::Expr > arg_expr, float likelihood, const bool is_not)
Definition: ParserNode.cpp:672
std::unique_ptr< Expr > arg
Definition: ParserNode.h:575

◆ get()

std::shared_ptr< Analyzer::Expr > Parser::LikelihoodExpr::get ( std::shared_ptr< Analyzer::Expr arg_expr,
float  likelihood,
const bool  is_not 
)
static

Definition at line 672 of file ParserNode.cpp.

References run-benchmark-import::result.

Referenced by anonymous_namespace{CalciteAdapter.cpp}::CalciteAdapter::translateLikely(), and anonymous_namespace{CalciteAdapter.cpp}::CalciteAdapter::translateUnlikely().

675  {
676  if (!arg_expr->get_type_info().is_boolean()) {
677  throw std::runtime_error("likelihood expression expects boolean type.");
678  }
679  std::shared_ptr<Analyzer::Expr> result = makeExpr<Analyzer::LikelihoodExpr>(
680  arg_expr->decompress(), is_not ? 1 - likelihood : likelihood);
681  return result;
682 }
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◆ get_arg()

const Expr* Parser::LikelihoodExpr::get_arg ( ) const
inline

Definition at line 562 of file ParserNode.h.

562 { return arg.get(); }
std::unique_ptr< Expr > arg
Definition: ParserNode.h:575

◆ get_is_not()

bool Parser::LikelihoodExpr::get_is_not ( ) const
inline

Definition at line 561 of file ParserNode.h.

561 { return is_not; }

◆ get_likelihood()

float Parser::LikelihoodExpr::get_likelihood ( ) const
inline

Definition at line 563 of file ParserNode.h.

References anonymous_namespace{UpdateMetadataTest.cpp}::query, and to_string().

563 { return likelihood; }
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◆ to_string()

std::string Parser::LikelihoodExpr::to_string ( ) const
overridevirtual

Implements Parser::Expr.

Definition at line 1455 of file ParserNode.cpp.

1455  {
1456  std::string str = " LIKELIHOOD ";
1457  str += arg->to_string();
1458  str += " ";
1459  str += boost::lexical_cast<std::string>(is_not ? 1.0 - likelihood : likelihood);
1460  return str;
1461 }
std::unique_ptr< Expr > arg
Definition: ParserNode.h:575

Member Data Documentation

◆ arg

std::unique_ptr<Expr> Parser::LikelihoodExpr::arg
private

Definition at line 575 of file ParserNode.h.

◆ is_not

bool Parser::LikelihoodExpr::is_not
private

Definition at line 574 of file ParserNode.h.

◆ likelihood

float Parser::LikelihoodExpr::likelihood
private

Definition at line 576 of file ParserNode.h.


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