Database Flags
[LMDB API]

Defines

#define MDB_REVERSEKEY   0x02
#define MDB_DUPSORT   0x04
#define MDB_INTEGERKEY   0x08
#define MDB_DUPFIXED   0x10
#define MDB_INTEGERDUP   0x20
#define MDB_REVERSEDUP   0x40
#define MDB_CREATE   0x40000

Define Documentation

#define MDB_REVERSEKEY   0x02

use reverse string keys

#define MDB_DUPSORT   0x04

use sorted duplicates

#define MDB_INTEGERKEY   0x08

numeric keys in native byte order: either unsigned int or size_t. The keys must all be of the same size.

#define MDB_DUPFIXED   0x10

with MDB_DUPSORT, sorted dup items have fixed size

#define MDB_INTEGERDUP   0x20

with MDB_DUPSORT, dups are MDB_INTEGERKEY-style integers

#define MDB_REVERSEDUP   0x40

with MDB_DUPSORT, use reverse string dups

#define MDB_CREATE   0x40000

create DB if not already existing

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