key.hpp File Reference

#include <fcb/error.hpp>
#include <fcb/span.hpp>
#include <cstdint>
#include <string>
#include <vector>

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Classes
class	fcb::KeyValue
	A decoded index key. More...

Namespaces
namespace	fcb

Enumerations
enum class	fcb::KeyKind {   fcb::Int8 , fcb::UInt8 , fcb::Int16 , fcb::UInt16 ,   fcb::Int32 , fcb::UInt32 , fcb::Int64 , fcb::UInt64 ,   fcb::Float32 , fcb::Float64 , fcb::Bool , fcb::DateTime ,   fcb::String20 , fcb::String50 , fcb::String100 }
	The concrete key types the B+tree index can hold. More...

Functions
std::size_t	fcb::key_serialized_size (KeyKind kind)
	Serialized width in bytes. DateTime is 12: i64 seconds + u32 nanos.
std::vector< std::uint8_t >	fcb::encode_key (const KeyValue &v)
KeyValue	fcb::decode_key (KeyKind kind, bytes_view b)
int	fcb::compare_keys (const KeyValue &a, const KeyValue &b)
	Three-way comparison.
KeyValue	fcb::key_min (KeyKind kind)
	Sentinels used to lower open-ended range queries.
KeyValue	fcb::key_max (KeyKind kind)
KeyKind	fcb::key_kind_for_column (std::uint8_t column_type)
	Column type to key kind, following what the WRITER emits.