duckdb::TableFilter Class Reference

TableFilter represents a filter pushed down into the table scan. More...

#include <duckdb.hpp>

Inheritance diagram for duckdb::TableFilter:

Public Member Functions
	TableFilter (TableFilterType filter_type_p)
virtual FilterPropagateResult	CheckStatistics (BaseStatistics &stats) const =0
	Returns true if the statistics indicate that the segment can contain values that satisfy that filter.
virtual string	ToString (const string &column_name) const =0
string	DebugToString () const
virtual unique_ptr< TableFilter >	Copy () const =0
virtual bool	Equals (const TableFilter &other) const
virtual unique_ptr< Expression >	ToExpression (const Expression &column) const =0
virtual void	Serialize (Serializer &serializer) const
template<class TARGET >
TARGET &	Cast ()
template<class TARGET >
const TARGET &	Cast () const

Static Public Member Functions
static unique_ptr< TableFilter >	Deserialize (Deserializer &deserializer)

Public Attributes
TableFilterType	filter_type

Detailed Description

TableFilter represents a filter pushed down into the table scan.

Constructor & Destructor Documentation

TableFilter()

duckdb::TableFilter::TableFilter ( TableFilterType  filter_type_p )

inlineexplicit

                                                        : filter_type(filter_type_p) {
    }

~TableFilter()

virtual duckdb::TableFilter::~TableFilter ( )

inlinevirtual

                           {
    }

Member Function Documentation

CheckStatistics()

virtual FilterPropagateResult duckdb::TableFilter::CheckStatistics ( BaseStatistics &  stats ) const

pure virtual

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

Implemented in duckdb::DynamicFilter, duckdb::InFilter, duckdb::IsNullFilter, duckdb::IsNotNullFilter, duckdb::OptionalFilter, duckdb::StructFilter, duckdb::BFTableFilter, duckdb::SelectivityOptionalFilter, duckdb::ExpressionFilter, duckdb::ConjunctionOrFilter, duckdb::ConjunctionAndFilter, and duckdb::ConstantFilter.

Equals()

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

inlinevirtual

                                                        {
        return filter_type == other.filter_type;
    }

Cast() [1/2]

template<class TARGET >

TARGET & duckdb::TableFilter::Cast ( )

inline

                   {
        if (filter_type != TARGET::TYPE) {
            throw InternalException("Failed to cast to type - table filter type mismatch");
        }
        return reinterpret_cast<TARGET &>(*this);
    }

Cast() [2/2]

template<class TARGET >

const TARGET & duckdb::TableFilter::Cast ( ) const

inline

                               {
        if (filter_type != TARGET::TYPE) {
            throw InternalException("Failed to cast to type - table filter type mismatch");
        }
        return reinterpret_cast<const TARGET &>(*this);
    }

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

• external/duckdb/duckdb.hpp