duckdb::PartitionedColumnDataAppendState Struct Reference

Local state for parallel partitioning. More...

#include <duckdb.hpp>

Collaboration diagram for duckdb::PartitionedColumnDataAppendState:

Public Member Functions
template<bool fixed>
std::conditional< fixed, fixed_size_map_t< list_entry_t >, perfect_map_t< list_entry_t > >::type &	GetMap ()
optional_idx	GetPartitionIndexIfSinglePartition (const bool use_fixed_size_map)
template<>
perfect_map_t< list_entry_t > &	GetMap ()
template<>
fixed_size_map_t< list_entry_t > &	GetMap ()

Public Attributes
Vector	partition_indices
SelectionVector	partition_sel
perfect_map_t< list_entry_t >	partition_entries
fixed_size_map_t< list_entry_t >	fixed_partition_entries
DataChunk	slice_chunk
vector< unique_ptr< DataChunk > >	partition_buffers
vector< unique_ptr< ColumnDataAppendState > >	partition_append_states

Static Public Attributes
static constexpr idx_t	MAP_THRESHOLD = 256

Detailed Description

Local state for parallel partitioning.

Constructor & Destructor Documentation

PartitionedColumnDataAppendState()

duckdb::PartitionedColumnDataAppendState::PartitionedColumnDataAppendState ( )

inline

                                       : partition_indices(LogicalType::UBIGINT) {
    }

Member Function Documentation

GetMap() [1/3]

template<bool fixed>

std::conditional< fixed, fixed_size_map_t< list_entry_t >, perfect_map_t< list_entry_t > >::type & duckdb::PartitionedColumnDataAppendState::GetMap ( )

inline

                                                                                                              {
        throw NotImplementedException("PartitionedColumnDataAppendState::GetMap for boolean value");
    }

GetPartitionIndexIfSinglePartition()

optional_idx duckdb::PartitionedColumnDataAppendState::GetPartitionIndexIfSinglePartition ( const bool  use_fixed_size_map )

inline

                                                                                   {
        optional_idx result;
        if (use_fixed_size_map) {
            if (fixed_partition_entries.size() == 1) {
                result = fixed_partition_entries.begin().GetKey();
            }
        } else {
            if (partition_entries.size() == 1) {
                result = partition_entries.begin()->first;
            }
        }
        return result;
    }

GetMap() [2/3]

template<>

perfect_map_t< list_entry_t > & duckdb::PartitionedColumnDataAppendState::GetMap ( )

inline

                                                                                    {
    return partition_entries;
}

GetMap() [3/3]

template<>

fixed_size_map_t< list_entry_t > & duckdb::PartitionedColumnDataAppendState::GetMap ( )

inline

                                                                                      {
    return fixed_partition_entries;
}

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

• external/duckdb/duckdb.hpp