duckdb::SelectivityOptionalFilter Class Reference

Inheritance diagram for duckdb::SelectivityOptionalFilter:

Collaboration diagram for duckdb::SelectivityOptionalFilter:

Public Member Functions
	SelectivityOptionalFilter (unique_ptr< TableFilter > filter, float selectivity_threshold, idx_t n_vectors_to_check)
unique_ptr< TableFilter >	Copy () const override
FilterPropagateResult	CheckStatistics (BaseStatistics &stats) const override
	Returns true if the statistics indicate that the segment can contain values that satisfy that filter.
void	Serialize (Serializer &serializer) const override
void	FiltersNullValues (const LogicalType &type, bool &filters_nulls, bool &filters_valid_values, TableFilterState &filter_state) const override
unique_ptr< TableFilterState >	InitializeState (ClientContext &context) const override
idx_t	FilterSelection (SelectionVector &sel, Vector &vector, UnifiedVectorFormat &vdata, TableFilterState &filter_state, idx_t scan_count, idx_t &approved_tuple_count) const override
Public Member Functions inherited from duckdb::OptionalFilter
	OptionalFilter (unique_ptr< TableFilter > filter=nullptr)
string	ToString (const string &column_name) const override
unique_ptr< Expression >	ToExpression (const Expression &column) const override
Public Member Functions inherited from duckdb::TableFilter
	TableFilter (TableFilterType filter_type_p)
string	DebugToString () const
virtual bool	Equals (const TableFilter &other) 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::OptionalFilter
static unique_ptr< TableFilter >	Deserialize (Deserializer &deserializer)
Static Public Member Functions inherited from duckdb::TableFilter
static unique_ptr< TableFilter >	Deserialize (Deserializer &deserializer)

Public Attributes
float	selectivity_threshold
idx_t	n_vectors_to_check
Public Attributes inherited from duckdb::OptionalFilter
unique_ptr< TableFilter >	child_filter
	Optional child filters.
Public Attributes inherited from duckdb::TableFilter
TableFilterType	filter_type

Static Public Attributes
static constexpr auto	MIN_MAX_THRESHOLD = 0.75f
static constexpr idx_t	MIN_MAX_CHECK_N = 30
static constexpr float	BF_THRESHOLD = 0.25f
static constexpr idx_t	BF_CHECK_N = 75
Static Public Attributes inherited from duckdb::OptionalFilter
static constexpr auto	TYPE = TableFilterType::OPTIONAL_FILTER

Member Function Documentation

Copy()

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

overridevirtual

Reimplemented from duckdb::OptionalFilter.

CheckStatistics()

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

overridevirtual

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

Reimplemented from duckdb::OptionalFilter.

Serialize()

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

overridevirtual

Reimplemented from duckdb::OptionalFilter.

FiltersNullValues()

void duckdb::SelectivityOptionalFilter::FiltersNullValues ( const LogicalType &  type, bool &  filters_nulls, bool &  filters_valid_values, TableFilterState &  filter_state  ) const

overridevirtual

Reimplemented from duckdb::OptionalFilter.

InitializeState()

unique_ptr< TableFilterState > duckdb::SelectivityOptionalFilter::InitializeState ( ClientContext &  context ) const

overridevirtual

Reimplemented from duckdb::OptionalFilter.

FilterSelection()

idx_t duckdb::SelectivityOptionalFilter::FilterSelection ( SelectionVector &  sel, Vector &  vector, UnifiedVectorFormat &  vdata, TableFilterState &  filter_state, idx_t  scan_count, idx_t &  approved_tuple_count  ) const

overridevirtual

Reimplemented from duckdb::OptionalFilter.

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

• external/duckdb/duckdb.cpp