duckdb::BoundLambdaExpression Class Reference

Inheritance diagram for duckdb::BoundLambdaExpression:

Collaboration diagram for duckdb::BoundLambdaExpression:

Public Member Functions
	BoundLambdaExpression (ExpressionType type_p, LogicalType return_type_p, unique_ptr< Expression > lambda_expr_p, idx_t parameter_count_p)
string	ToString () const override
	Convert the Expression to a String.
bool	Equals (const BaseExpression &other) const override
	Returns true if this expression is equal to another expression.
unique_ptr< Expression >	Copy () const override
	Create a copy of this expression.
void	Serialize (Serializer &serializer) const override
Public Member Functions inherited from duckdb::Expression
	Expression (ExpressionType type, ExpressionClass expression_class, LogicalType return_type)
bool	IsAggregate () const override
	Returns true if this expression is an aggregate or not.
bool	IsWindow () const override
	Returns true if the expression has a window function or not.
bool	HasSubquery () const override
	Returns true if the query contains a subquery.
bool	IsScalar () const override
	Returns true if expression does not contain a group ref or col ref or parameter.
bool	HasParameter () const override
	Returns true if the expression has a parameter.
virtual bool	IsVolatile () const
virtual bool	IsConsistent () const
virtual bool	PropagatesNullValues () const
virtual bool	IsFoldable () const
virtual bool	CanThrow () const
hash_t	Hash () const override
bool	Equals (const BaseExpression &other) const override
	Returns true if this expression is equal to another expression.
Public Member Functions inherited from duckdb::BaseExpression
	BaseExpression (ExpressionType type, ExpressionClass expression_class)
	Create an Expression.
ExpressionClass	GetExpressionClass () const
	Returns the class of the expression.
ExpressionType	GetExpressionType () const
	Returns the type of the expression.
void	SetExpressionTypeUnsafe (ExpressionType new_type)
optional_idx	GetQueryLocation () const
	Returns the location in the query (if any)
void	SetQueryLocation (optional_idx location)
	Sets the location in the query.
bool	HasAlias () const
	Returns true if the expression has a non-empty alias.
const string &	GetAlias () const
	Returns the alias of the expression.
void	SetAlias (const string &alias_p)
	Sets the alias of the expression.
void	SetAlias (string &&alias_p)
	Sets the alias of the expression.
void	ClearAlias ()
	Clears the alias of the expression.
virtual string	GetName () const
	Get the name of the expression.
void	Print () const
	Print the expression to stdout.
bool	operator== (const BaseExpression &rhs) const
virtual void	Verify () const
template<class TARGET >
TARGET &	Cast ()
template<class TARGET >
const TARGET &	Cast () const

Static Public Member Functions
static unique_ptr< Expression >	Deserialize (Deserializer &deserializer)
Static Public Member Functions inherited from duckdb::Expression
static bool	Equals (const Expression &left, const Expression &right)
static bool	Equals (const unique_ptr< Expression > &left, const unique_ptr< Expression > &right)
static bool	ListEquals (const vector< unique_ptr< Expression > > &left, const vector< unique_ptr< Expression > > &right)
static unique_ptr< Expression >	Deserialize (Deserializer &deserializer)
Static Public Member Functions inherited from duckdb::BaseExpression
static bool	Equals (const BaseExpression &left, const BaseExpression &right)

Public Attributes
unique_ptr< Expression >	lambda_expr
	The lambda expression that we'll use in the expression executor during execution.
vector< unique_ptr< Expression > >	captures
idx_t	parameter_count
	The number of lhs parameters of the lambda function.
Public Attributes inherited from duckdb::Expression
LogicalType	return_type
	The return type of the expression.
unique_ptr< BaseStatistics >	verification_stats
	Expression statistics (if any) - ONLY USED FOR VERIFICATION.
Public Attributes inherited from duckdb::BaseExpression
ExpressionType	type
	Type of the expression.
ExpressionClass	expression_class
	The expression class of the node.
string	alias
	The alias of the expression,.
optional_idx	query_location
	The location in the query (if any)

Static Public Attributes
static constexpr const ExpressionClass	TYPE = ExpressionClass::BOUND_LAMBDA

Additional Inherited Members
Protected Member Functions inherited from duckdb::Expression
void	CopyProperties (const Expression &other)

Member Function Documentation

ToString()

string duckdb::BoundLambdaExpression::ToString ( ) const

overridevirtual

Convert the Expression to a String.

Implements duckdb::BaseExpression.

Equals()

bool duckdb::BoundLambdaExpression::Equals ( const BaseExpression &  other ) const

overridevirtual

Returns true if this expression is equal to another expression.

Reimplemented from duckdb::BaseExpression.

Copy()

unique_ptr< Expression > duckdb::BoundLambdaExpression::Copy ( ) const

overridevirtual

Create a copy of this expression.

Implements duckdb::Expression.

Serialize()

void duckdb::BoundLambdaExpression::Serialize ( Serializer &  serializer ) const

overridevirtual

Reimplemented from duckdb::Expression.

Member Data Documentation

captures

vector<unique_ptr<Expression> > duckdb::BoundLambdaExpression::captures

Non-lambda constants, column references, and outer lambda parameters that we need to pass into the execution chunk

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

• external/duckdb/duckdb.cpp