duckdb::ConstantFilter Class Reference

Inheritance diagram for duckdb::ConstantFilter:

Collaboration diagram for duckdb::ConstantFilter:

Public Member Functions
	ConstantFilter (ExpressionType comparison_type, Value constant)
bool	Compare (const Value &value) const
FilterPropagateResult	CheckStatistics (BaseStatistics &stats) const override
	Returns true if the statistics indicate that the segment can contain values that satisfy that filter.
string	ToString (const string &column_name) const override
bool	Equals (const TableFilter &other) const override
unique_ptr< TableFilter >	Copy () const override
unique_ptr< Expression >	ToExpression (const Expression &column) const override
void	Serialize (Serializer &serializer) const override
Public Member Functions inherited from duckdb::TableFilter
	TableFilter (TableFilterType filter_type_p)
string	DebugToString () const
template<class TARGET >
TARGET &	Cast ()
template<class TARGET >
const TARGET &	Cast () const

Static Public Member Functions
static unique_ptr< TableFilter >	Deserialize (Deserializer &deserializer)
Static Public Member Functions inherited from duckdb::TableFilter
static unique_ptr< TableFilter >	Deserialize (Deserializer &deserializer)

Public Attributes
ExpressionType	comparison_type
	The comparison type (e.g. COMPARE_EQUAL, COMPARE_GREATERTHAN, COMPARE_LESSTHAN, ...)
Value	constant
	The constant value to filter on.
Public Attributes inherited from duckdb::TableFilter
TableFilterType	filter_type

Static Public Attributes
static constexpr const TableFilterType	TYPE = TableFilterType::CONSTANT_COMPARISON

Member Function Documentation

CheckStatistics()

FilterPropagateResult duckdb::ConstantFilter::CheckStatistics ( BaseStatistics &  stats ) const

overridevirtual

Returns true if the statistics indicate that the segment can contain values that satisfy that filter.

Implements duckdb::TableFilter.

ToString()

string duckdb::ConstantFilter::ToString ( const string &  column_name ) const

overridevirtual

Implements duckdb::TableFilter.

Equals()

bool duckdb::ConstantFilter::Equals ( const TableFilter &  other ) const

overridevirtual

Reimplemented from duckdb::TableFilter.

Copy()

unique_ptr< TableFilter > duckdb::ConstantFilter::Copy ( ) const

overridevirtual

Implements duckdb::TableFilter.

ToExpression()

unique_ptr< Expression > duckdb::ConstantFilter::ToExpression ( const Expression &  column ) const

overridevirtual

Implements duckdb::TableFilter.

Serialize()

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

overridevirtual

Reimplemented from duckdb::TableFilter.

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

• external/duckdb/duckdb.hpp